Pulp & Paper Industry Solutions

Pulp & Paper Industry Solutions Accurate and Reliable Liquid Analysis Papermaking Process Overview

Papermaking is a highly sophisti - Although not present at all mills, yields or improve the properties of cated process involving several there are five major steps to the the pulp. processing steps to turn wood papermaking process: mechanical preparation of the wood into wood Pulp stock leaving the digester is a logs into paper products. In addi - chips, wood digestion (pulping) brownish liquid that is usually tion to the actual papermaking to form pulp, pulp whitening bleached to make more acceptable process, there are also (bleaching), pulp stock preparation, white paper. This process uses large supporting areas such as waste and finally paper formation. quantities of expensive bleaching

water treatment, recovery boiler chemicals (usually ClO 2) and operation, steam production, The first of these steps uses strictly represents raw material and waste mechanical processes to form small disposal challenges. pH measure- and cooling towers that benefit chips from the logs supplied to the ment in this area optimizes the from on-line analytical mill. Byproducts such as bark and efficiency of the bleaching process, measurements. even some of the chips themselves lowering bleach consumption, are used as fuel to produce electricity discharge and associated costs. You need a partner that can and steam for mill use. Although deliver the best in knowledge some water may be used for lubrica - Prior to running in the paper and systems, and do it quickly, tion purposes, this is primarily a dry machine, different batches of pulp process and proceeds with a mini- may be blended to produce paper of thoroughly and cost-effectively. mum of process instrumentation. various required properties. Starches Emerson Process Management’s and retention aids are added to Rosemount Analytical brand of The pulping process has many varia - improve the wetting properties of 2 products provide measurements tions. Most common is chemical the paper. The pH measurement of pH, ORP, conductivity and dis - pulping using either caustic (Kraft standardizes this process, helping to solved oxygen that are specially sulfate process) or acidic (sulfite produce the same quality paper day process) chemicals. in and day out. designed for long life and reliable results in the demanding The chemicals are used and regener - The paper machine is usually consid - environment of the pulp mill. ated in a recovery process that ered the last place to get conditions These measurements provide reduces chemical costs and right for the final product. A reliable substantial control benefits that minimizes waste disposal costs. pH signal at this location can prevent can reduce costs with a typical Process conductivity measurements large runs of off spec product. These payback time of less than one optimize both the pulp yield and the locations can represent difficult recovery of chemicals in this stage. applications for sensors, but recent year. Read on and discover how Other pulping techniques such as advances in sensor technology have the liquid analysis professionals groundwood o r sem ichemical use vastly improved the performance from Emerson can help you pH measurements to optimize and reliability of online sensors. improve your bottom line. Wood logs are broken into chips about the size of a quarter.

Logging Debarking Chipping Chip Bin Digester

Mechanical Wood Processing

EMERSON. CONSIDER IT SOLVED .™ Kraft Pulping Process Overview

Digester Logs White Liquor

Black Liquor

Chipper Bleach Towers

Chlorine Dioxide Tank

Machine Chest White Water Chest

Refiner Paper Products 3

Head Waste Treatment Plant Box

Paper Machine

On-line electrochemical measurements such pulp slurry from wood chips, involves as pH, electrical conductivity and dissolved strong chemicals that are typically CONTENTS oxygen provide real improvements in regenerated and reused. Dosage of these process control, quality, efficiency and prof - chemicals and control of the recovery Kraft Pulping 4 itability in Pulp and Paper operations. Mill process is monitored using electrical Bleaching and the Wet-End 5 effluent, especially from bleaching conductivity measurement. The pulp slurry operations, is increasingly the target of envi - is treated using bleach, sizing agents and Chemical Recovery 7 ronmental regulations such as the Cluster other furnish before being run in the paper Boiler and Rule and must be monitored closely. machine. These pulp additives can be very Steam Plant Operations 8 ineffective if the pH of the pulp slurry is not There are many different processes that can controlled. Common measurement Waste Treatment 9 be used to make paper and each process locations are bleach towers, machine Instrumentation 10 involves several steps. Chemical pulping, chest, headbox, and white water chest. the most common process of producing a Kraft Pulping

Kraft pulping produces strong Measuring the alkali concentration Conductivity can be correlated to pulp but typically needs further entering into the digester allows the A and B tests since the active processing such as bleaching to fine control of the liquor flow rate NaOH has much higher conductivity to match the wood loading, than the product. As the cook provide acceptable brightness improving throughput and continues, conductivity steadily for average users. Cost effective - minimizing variability. decreases. Conductivity is best ness comes from reuse of the measured in the upper recirculation pulping chemicals in the Inside the digester, at temperatures zone for rapid response to process recovery process (see page 7). near 180°C and pressures around changes, but the high solids concen - Pulping is conducted in a 250 psig, the following reaction tration at this location tends to plug most conductivity sensors. digester and the process can be occurs: operated in either batch or Na 2S + NaOH + wood chips —> continuous mode. There are Na 2SO 4 + Na 2CO 3 + pulp many kinds of pulping processes, but generally the most cost As this reaction proceeds, the effective one is the chemical Kappa number decreases until the process called Kraft pulping. “cook” is completed in about 2 to 4 hours. Kappa Number is difficult to The Model 242 measure, so many mills monitor the Toroidal digester by measuring the Conductivity In the Kraft process, wood chips are concentration of chemicals in the Sensor is built for cooked in a strong alkali solution high solids and 4 cooking liquor using three chemical called white liquor. The white liquor aggressive chemical applications titrations called “ABC tests”. Results is basically a solution of sodium of the ABC tests are used to Process measurements in heavy slur - hydroxide and sodium sulfide with establish NaOH, Na S, and Na CO ries such as cooking liquor require an effective concentration of about 2 2 3 levels in the liquor. As the cook pro - robust flow-through sensors like the 100 grams per liter. Measuring gresses, NaOH is consumed and Model 242 Toroidal Conductivity white liquor alkali concentration Na CO is produced. When the Sensor. This sensor consists of a allows optimization of cooking time 2 3 NaOH level has dropped to the replaceable ceramic liner and and product pulp properties. Direct appropriate level, the cook is externally mounted toroid measure - measurement of the alkali complete and the product (called ment coils. The toroidal conductivity concentration is possible using auto - brownstock) is released from the method is resistant to the effects of matic titrators. However, due to the digester and further processed. This coating, and the Model 242’s exter - difficulty of extractive sampling technique still requires that nal mounting protects the toroids many mills opt to use electrical con - samples be extracted and from the high temperature and ductivity to provide real-time processed by a lab every 2-4 hours. pressures in the digester. The Model control feedback. 242 is recommended for lines up to The retractable Although the application inside the 4" in diameter. Model 228 Toroidal The clarified white liquor feed to the Conductivity Sensor digester is significantly different digester is the optimum location to White Liquor Conductivity allows safe, conven - from the application in base white install the retractable Model 228 500 ient cleaning. liquor, electrical conductivity Toroidal Conductivity Sensor. This 450 y

measurement is valuable here also. t i

v 400

sensor has a unique lead screw i t c

design that allows for safe u 350 d n

retraction at up to 295 psig o 300 C

for cleaning purposes. 250 50 70 90 110 Effective Alkali Bleaching and the Wet-End

Bleaching is the process of A typical bleach sequence consists of The bleaching chemicals are aggres - purifying and whitening pulp by a pair of bleaching stages each sive and incompatible with many chemical treatment. Several followed by an extraction stage. sensor materials. The 70°C temper- Chlorine dioxide bleaching allows ature accelerates the rate of stages are typically used to efficient bleaching at lower pH (3.5 chemical attack. generate pulp with the desired to 4) without degrading the brightness. To meet environmen - cellulose component of the pulp. Emerson’s TUpH ™ sensor technology tal regulations, nearly all pulp The extraction stages are conducted minimizes the effects of coating mills use elemental chlorine free at elevated pH (10-11) to maximize by using a patented composite junc - bleaching (i.e. chlorine dioxide). color removal. pH measurement is tion with over 400 times the surface very cost effective here because the area of standard junction Some mills have gone to totally chemicals used to manufacture chlo - membranes. The abundance of .02 chlorine free bleaching via rine dioxide represent a significant micron pores preserves a minimum peroxide or ozone. operating cost. Stable pH control flow of KCl electrolyte, and thus a increases net bleaching efficiency stable reading in the presence

water water water water and lowers cleanup costs since less of solids. ClO2

ORP ORP bleach is required. pH Washer WasherWasher Washer pH pH pH pH OR Pulp Stock and Storage ClO Tank A pH sensor consists of a pH 2 pH

Mixer sensitive measurement electrode Chlorine Caustic Chlorine Caustic To Stock Dioxide Extraction Dioxide Extraction Blending Tower Tower Tower Tower (traditionally made of glass) and a D1 E1 D2 E2 reference electrode that is designed Bleaching Stages to remain unchanged over the 5

Bleaching the Pulp Stock lifetime of the sensor. Both electrodes must remain in working order with an electrical path 3K 200M (provided by a small flow of Our TUpH sensors resist the effects of process electrolyte through a junction) link - coating, reducing costly maintenance and ing the two electrodes through the downtime. process. Application concerns occur when either electrode is attacked by The Model 398R TUpH Sensor, with the process or when the link Tefzel ® body and Kalrez seals, is between them is broken. specifically designed for severe duty in harsh bleaching chemicals. ACCU - Conditions inside the bleach tower GLASS ™, the product of a two year Reference Solution Glass Electrode Ground Electrode are harsh on all parts of the pH sen - study, incorporates the most sor. Consistency can be up to 10% temperature resistant formulations pH Sensor Components solids, which can coat a standard pH possible for a long-life pH sensor at sensor very quickly, plugging the elevated temperatures. reference junction.

CaCO3 particle chain

Teflon Membrane TUpH Junction d=50 micron d=.02 micron

TUpH Reference Junction Comparison of reference junction types Bleaching and the Wet-End continued

S requires constant pH monitoring to Broke/Save All Dye Additives prevent product waste. As mills pH To Head strive to conserve and reuse precious Pulp Box pH Storage pH pH water resources, there is an Mixing Refiner Machine Refiner Chest Chest increased need to monitor and Pulp Storage pH control the pH in the recycle loops. From White From Couch Pit Water Tankof At this stage, the TUpH Model 396R, of Paper Machine Paper Machine with polypropylene junction and

Stock Preparation EPDM seals, is a fine low- maintenance sensor for the job.

After bleaching, there may be several The headbox location is a critical pH pulp stock preparation steps in the measurement since an upset condi - PASVE Rotary Valve automatically cleans wet-end of the paper machine. Pulp tion here will immediately result in sensors, minimizing maintenance.

from different sources is mixed as offspec product. Alum (Al 2(SO 4)3) or needed for various products and sulfuric acid is added to regulate the the guesswork out of how and when mechanically refined prior to pH prior to the headbox. It is prefer - to maintain the sensor. The rotary delivery to the headbox. Sizing able to use sulfuric acid for this design requires little force to insert agents, dyes, and additives (furnish) purpose since alum is primarily used the sensor and includes flushing are typically added at the mixing as a retention aid and can lead to a ports for internal cleaning. chest(s) to promote desired paper buildup of solids in the white-water. characteristics. These chemicals are Using inexpensive sulfuric acid for A cleaned pH sensor should respond 6 more effective under controlled pH control allows tighter control of quickly when reintroduced into the pH conditions, and each may water retention and prevents unnec - process. Monitoring the recovery require different conditions for essary cleaning of pH sensors. time of a pH sensor can verify the optimum results. cleanliness of the sensor and is an Convenient mounting options for excellent tool to minimize Superior pH control is achieved by pH sensors such as the PASVE maintenance costs on the wet-end monitoring upstream of the mixing Rotary Valve can be used to measurements. chest for feed-forward control. Pulp automate cleaning routines, taking from the storage tanks will be mixed with the plant water based on a consistency setpoint. This water can 70 Rosemount Analytical change the pH significantly and 60 50

S 40 Y

Alum and/or The Headbox is the Tighter control A Acid/Base last opportunity to means improved D 30 Addition control the pH of the paper quality! Other manufacturers pulp slurry. 20 From Refiner pH 10 Fan Head Pump Box Presses Dryers Paper pH 0 TUpH A B C D E Couch Roller Wire Pit pH Maintenance Cycle Time in days for Seal Couch Pit Pit Rosemount Analytical Sensors versus White Water To Refiner Chest other manufacturers in Paper Machine pH C To Broke (Stock Prep) Head Box

Paper Machine Overview Chemical Recovery

Monitoring the concentration conductivity range allows the use of has a low solubility, and is removed of active chemical (referred to a traditional contacting conductivity at each tank. as active alkali or effective alkali sensor. A contacting sensor uses a pair of metal electrodes for Ideally, the best response time in the Kraft process) is best optimum detection of small leaks. would be obtained from measuring achieved by using online The ENDURANCE conductivity the conductivity in the initial conductivity measurement sensor Model 400-12-SQ7223 is an reaction zone (slaker), but the throughout the process. excellent retractable device to moni - slurry is full of solids and very tor the condensate and prevent frothy. In practice, most mills boiler damage, and can be safely measure conductivity in the relative This loop begins with the spent installed in pressures up to 250 psig stability of the first causticizer white liquor that was used in the and temperatures up to 200°C. using a retractable toroidal digester. The first regeneration step conductivity sensor. separates the chemicals from the After oxidation in the furnace, the pulp in the brownstock washers. smelt is redissolved in a weak liquor Lime sources have varying The flow of washwater to each to form a stronger greenish liquor characteristics. Monitoring efficiency stage is set to maximize the consisting of mostly sodium at the first and third causticizers

removal of chemical without carbonate (Na 2CO 3) and sodium and the downstream clarifier is

diluting the black liquor too much. sulfide (Na 2S). The causticizing very common. The lime itself is This weak black liquor consists of a process that takes place in the slaker regenerated in a lime kiln in a mixture of sodium compounds and and causticizer converts the carbon - separate cycle. lignin organics. At this point, the ate to active hydroxide by chemical black liquor is quite viscous and is reaction with lime: The lime mud washer optimizes 7 best measured using a toroidal removal of white liquor from the

conductivity sensor such as the Ca(OH) 2 + Na 2CO 3 --> lime mud. The weak liquor

large bore Model 226. CaCO 3 + 2NaOH obtained from the lime mud is used to dissolve the smelt from the Causticizing efficiency measures recovery furnace. Conductivity what percentage of the sodium measurement is used to control carbonate is converted to sodium flow rates in the washer. hydroxide. An excellent online method of determining the Model 226 Toroidal Conductivity Sensor is ideal for applications with high solids causticizing efficiency Slaker Green Liquor content. compares the conductivity of Causticizer Wood Chips Storage the white liquor with the con - Steam Green White Traced Liquor Liquor Clarifier The weak black liquor is concen- ductivity of the incoming Clarifier Lime Circuit Dregs Washing trated in multiple effect evaporators green liquor. This requires Smelt Dissolving in order to support combustion in two conductivity sensors, Tank the recovery furnace. Since the one in the green liquor line Steam steam used in the evaporator is and another in the slaker or The Kraft Process Recovery Furnace obtained from the boiler, a leak of causticizer. & Boiler Water black liquor into the steam conden - sate can cause substantial damage The causticizing reaction is an Strong Black Liquor Pulp to Bleaching Multiple Effect Storage equilibrium process, so Evaporators to the boiler tubes. Conductivity see Figure 1: Pulping Steam

measurement can detect even a several large tanks are used Brown Stock Digester Blow Washers & Tanks Hot trace of black liquor in condensate. in series to maximize the effi - Tank Water Weak A typically clean sample and low ciency of the reaction. The Black Liquor Storage byproduct CaCO 3 (lime mud) Boiler & Steam Plant Operations

The recovery boiler is an integral Temperature compensation is Model 320HP is designed for pH part of the Kraft process and pro - especially important for condensate measurement of conductivity, so each sensor has an vides steam and electrical power high-purity water integral RTD, which the analyzer will for the pulp mill. Water used to use to correct the measured make steam must be of sufficient conductivity value to 25°C. purity to prevent scaling and cor - rosion inside the boiler tubes. Ion exchange columns contain prevent excessive dilution of the The water is recirculated many resins that slowly saturate with reference electrolyte. The Model times, so there is ample opportu - ions and need to be regenerated. 320HP sensor has been well accept - ed by pulp and paper mills in steam nity for impurities to enter the When the column is no longer plant operations. steam plant. These impurities can performing, it will be switched out come from black liquor leaks, of line and purged with acid (for Continuous dissolved oxygen levels makeup water, or internal gas cation columns) or caustic (for above 7 ppb have been implicated leaks. Expensive water treatment anion columns). These acid and in premature failures due to pitting chemicals such as ammonia or caustic solutions have much higher and metal fatigue. Oxygen hydrazine will be added when conductivity values and are scavengers are typically employed measured using toroidal conductivity to reduce the concentration in necessary to keep the water sensors such as the Model 228. boiler water. However, even a small chemistry under control. leak can cause an expensive failure. Insurance against this kind of failure Model 228 Toroidal 8 Conductivity can be easily obtained by measuring The first step in protecting the boil - Sensor is trace dissolved oxygen following the Relative Effects er tubes is to monitor the compact and deaeration stage. R of Co rro sion c ondu ctivity of the condensate. chemically and Scaling Most recovery boilers resistant 200 The Model 499A TrDO Trace 180 will target conductivity Boiler pH control is usually targeted Dissolved Oxygen Sensor (see 160 in the 1-10 mS/cm 140 between 7.5 and 8.5 due to the diagram on next page) is a 120 range. When the 100 sharp increase in corrosion below membrane covered pair of conductivity exceeds 80 pH 7. Operating at pH over 8.5 electrodes that produces a current 60 this value, some of the 40 tends to increase the formation of signal directly proportional to the 20 circulating water will be 0 solids on metal surfaces that can concentration of oxygen in the removed (blowdown) 6.5 7 7.5 8 8.5 degrade the efficiency of heat water. Emerson uses a unique self- pH and some pure makeup exchanger tubes. depleting design to provide fast Corrosion Scaling water will be added. The comedown times following air method for preparing the makeup Measuring pH at low conductivity calibration and maintenance. water will differ from mill to mill but can be problematic due to the high may involve reverse osmosis and/or impedance of the glass measuring Online measurement systems ion exchange columns. electrode. A well-grounded metallic are also available for silica, hydra- flow cell is recommended to prevent zine, phosphate, ammonia, sodium, Condensate conductivity excessive noise and a low, constant chlorine, and refractive index. measurements are taken using con - flow rate is recommended to tacting conductivity sensors such as Model 402 conductivity the Model 402 sensor. sensors are stable and rugged without sacrific - Regen Regen % RO ing accuracy. Raw Filter Cation Anion Mixed Water Deion Bed Storage T CR SC SC SiO2 Makeup Water Preparation Waste Treatment

The pulping processes tend to throughout the process, including generate the bulk of the waste pH, ORP, electrical conductivity, from a combined pulp and paper and amperometric measurements such as chlorine residual, ozone, mill. The debarking process mixes and dissolved oxygen. fine wood shavings with water.

Spent pulping liquors, collected TUpH Model 396PVP-41 Residual chlorine measurement is spills, washings from dregs and with Jet-Spray Cleaner especially important in ensuring lime mud, and bleach residue are final disinfection of the water per by-products of the pulping Color removal is especially environmental guidelines. Chlorine important and may require multiple activity is largely determined by pH process that must be collected stages of clarification using lime, level, so Emerson has combined pH and treated before discharging alum, and/or ferric chloride. These and chlorine measurement to into the environment. Other mill chemicals capture contaminants by provide the most accurate areas such as stock preparation, forming a solid floc that can be control possible. finishing and converting, and separated from the effluent stream. gas scrubbers also produce The flocculation chemicals are most effluents for cleanup. efficient at controlled pH levels, but pH measurements at these locations can be costly to maintain. The TUpH sensor design has an excellent performance history for applications with heavy solids and 9 is strongly recommended for use Sensor Housing in clarifiers.

Air Pulping waste generally contains Compartment high levels of organic materials and SoluComp II Multiparameter Replaceable Analyzer, Model 1055 Membrane high BOD (Biological Oxidant Cartridge Demand) and may require addition - al treatment steps. Typical treat- An amperometric sensor completes O2 - Cl Silver Anode ment methods include anaerobic the measurement by consuming Ag+ K+ digestion, controlled aeration, and (i.e. reducing) the specie of interest sand filters. Common processes at the cathode to produce a current Electrolyte Fill Solution such as clarification and sludge which is proportional to the concen - Platinum removal, aeration basins, gas tration. Therefore, these sensors Cathode strippers, heavy metal removal, must be installed in a region of O2 Steel-Mesh, O2 Double-Layer chlorination, and dechlorination are continuous process flow to insure a Membrane then used to prepare the fresh sample is provided. The flow Model 499A TrDO wastewater for release. The exact also helps prevent coating and scale is the perfect choice for trace treatment methods depend on the on the membrane. Nonetheless, for disolved oxygen kind of pulping and on the local maintenance intensive processes measurement. environmental regulations. such as activated sludge or where large amounts of fines are To ensure adequate treatment expected, it is recommended to use several electrochemical an automatic jet spray cleaner to measurements are made prevent buildup. Rosemount Analytical Instrumentation

The optimum solution for the process relies most and communication requirements, in addition to

heavily on selecting the right sensor to match the other desired features, such as HART ®, F OUNDATION process needs. In most cases the instrument is fieldbus ®, preventative diagnostics, and more. simple to select and depends on the power, control, Choose the one that meets your needs.

Features SoluComp II, 1055 Series 54e Series 5081 Series SoluComp Xmt Series

Power 115 - 230 VAC or 24 VDC* 115 - 230 VAC or 24 VDC 24 VDC 24 VDC Requirement

Number of Two One One One Sensor Inputs

10 Number of 4-20 Two Two One One mA Outputs

Available Select any two: pH, ORP, Select one: pH, ORP, Select one: pH, ORP, Select one: pH, ORP, Measurements Conductivity, Resistivity, Conductivity, Resistivity, Conductivity, Resistivity, Conductivity, Resistivity, Dissolved Oxygen, Ozone, Dissolved Oxygen, Dissolved Oxygen, Dissolved Oxygen, Chlorine, Flow, Turbidity Ozone, Chlorine Ozone, Chlorine Ozone, Chlorine

HART No Yes Yes Yes Compatible

FOUNDATION Fieldbus No No Yes Yes Compatible

Multi-lingual Yes Yes No No

Relays 3400

PID Control No Yes Yes/Ff Yes/Ff

Advanced Diagnostics Some Complete Complete Complete Capability

Area Class I, Div. 2 Class I, Div. 2 Class I, Div. 1 and Div. 2, Class I, Div.1 and Div. 2 Classifications Explosion proof

Available Approvals FM, CSA, CE, UL* FM, CSA, CE FM, CSA, CE, ATEX FM, CSA, CE, ATEX

* Not available for Turbidity Emerson Process Management: The Proven Source

Emerson Process Management sup - Rosemount Analytical are plies proven, robust Rosemount designed to continuously meet Analytical on-line electrochemical these challenges, resulting in sensors and instrumentation. With minimized downtime and lower over 60 years experience in process maintenance costs. control, wastewater treatment and drinking water treatment, users Accurate on-line process around the world trust Emerson. measurement of pH, In recognition of our dedication to conductivity, ORP, customer service, product chlorine residual, excellence, and quality we have dissolved oxygen and received the #1 Readers Choice ozone plays a critical role in Award from Control Magazine for achieving a plant’s objective and the tenth consecutive year. meeting regulatory compliance at the local and federal level. Count on Measurements in Pulp and Paper Emerson for the systems and can be challenging due to the pres - solutions you need in an ever-chang - ence of suspended solids and harsh ing, dynamic world. See us on the chemicals. The sensors from web at RAIhome.com.

11 PlantWeb ® Brings It All Together

Rosemount Analytical’s instru- process solutions. The PlantWeb and distribute information and ments are part of Emerson Process architecture consists of intelligent process control data. Management’s PlantWeb ® field- field devices, scalable platforms based architecture: a scalable way and standards, and integrated This architecture can reduce your to use open and interoperable modular software, all working capital and engineering costs, devices and systems to build together to create, capture, use, reduce operations and maintenance costs, increase process availability, reduce process variability, and streamline regulatory reporting.

To see what PlantWeb can do for your operation, call or visit us at PlantWeb.com/RunSafe. > COMPLETE PROCESS ANALYTICAL SOLUTIONS

GAS CHROMATOGRAPHY GAS LIQUID SAFETY

GAS CHROMATOGRAPHS PROCESS & COMBUSTION LIQUID ANALYTICAL INDUSTRIAL HAZARD SAFETY Emerson Process Management Emerson Process Management Emerson Process Management Emerson Process Management Rosemount Analytical Rosemount Analytical Rosemount Analytical Net Safety Monitoring 10241 West Little York 6565 P Davis Industrial Parkway 2400 Barranca Parkway 2721 Hopewell Place N.E. Suite 200 Solon, OH 44139 USA Irvine, CA 92606 USA Calgary, AB T1Y 7J7 Canada Houston TX 77040 USA T +1. 440.914.1261 T +1.949.757.8500 T +1.403.219.0688 T +1.713.396.8700 T 800.433.6076 T 800.854.8257 T 866.347.3427 T 866.422.3683 F +1. 440.914.1262 F +1.949.474.7250 F +1.403.219.0694 F +1.713.466.8175 gas.csc@emerson. com [email protected] [email protected] [email protected]

RosemountAnalytical.com Online ordering available.

Emerson Process Management, Rosemount Analytical, PlantWeb, DeltaV, TUpH, ENDURANCE, A CCU -G LASS and Solu Comp are marks of Emerson Process Management group of com - panies . All other marks are the property of their respective owners. The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure its accuracy, they are not to be construed as warranties or guarantees, expressed or implied, regarding the products or services described herein or their use or applicability. All sales are governed by our terms and conditions, which are available on request. We reserve the right to modify or improve the designs or specifications of such products at any time without notice.

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