RECYCLED TECHNOLOGY An Anthology of Published

TABLE OF CONTENTS

PREFACE rii

Acronyms used in Staff, Progress in Paper Recycling

Environmental labelling of paper products Roland W. J. McKinney

Future trends in the secondary fiber industry J. Rodney Edwards

OfIice wastepaper: glut or what? Mary Cesar

The status of state and federal laws affecting recycling Carol L. Raulston

Tax incentives to stimulate interest in recycling Joanne T. Alig

A short history of ~a~ermakingand waste paper processing equipment J. W. Couture

BLEACHING

Bleached pulps for printing & writing papers from old corrugated containers 40 X.T. Nguyen; A. ShariiT; P.F. Earl; R.J. Earner

Bleached kraft pulp from OCC H.M. Bisner; R. Campbell; W.T. McKean

Use of the term"b1eaching' in the context of virgin and secondary fibers: a clarification 57 Ira A. Weinstock

CLOTHING

Design considerations for clothing in secondary fiber applications John M. Hawes CONTAMINANTS

Properties and control of stickies I Mahendra R. Doshi Common contaminants in recovered paper for manufacture S. Bingham

Types of centrifugal cleaners Larry B. Moreland

Washing vs. thickening David W. Westenberger

Sticky detective work Sally Berben

Lightweight sticky contamination in an OCC system Marie Phelps Hacker

Quantification, control and retention of depositable stickies Mahendra R. Doshi Methods to quantify stickies - a mill survey StafT, Progress in Paper Recycling

The recyclability of Post-itM brand notes in office wastepaper David W. Stegink

Wax contamination in paper recycling: understanding wax chemistry and recycling waxed papers John G.E. McEwen

A review of flotation technology I hreen D. Ferguson Recycling of photocopied and laser printed papers Mahendra R. Doshi

Flotation deinking vs. flotation clarification ! ' Mahendra R. Doshi

What is the role of clay in flotation deinking? David W. Westenberger

Enzyme deinking of black and white letterpress printed newsprint waste Duggirala Y. Prasad: John A. Heitmann; Thomas W. Joyce

Recycling and deinking of old telephone directories Frank J. Sutman

The role of dispersion within a deinking system i Neale Fetterly ! Degree of ink removal by deinking of different printing papers J. Blechschmidt; A.M. Strunz; A. Knittel

A primer for surfactants used in deinking John K. Borchardt Deink market pulp properties - a mill survey Staff, Progress in Paper Recycling

Continuous pulping of OCC and mixed wastes ,,' D.C. ("Chuck") Grantz

How does one identify the type of resin in wet-strength paper and what pulping methode are available for it? Herbert H. Espy

The chemistry of wet-strength broke repulping Herbert H. Espy

Feasibility of recycling poet-consumer diapers John H. Klungness; Robert H. Seigfried

Maintaining quality while increasing the use of secondary fibers Mahendra R. Doshi

8 Quality control of recovered papers ' Mahendra R. Doshi

Various causes for the darkening of paper H.S. Dugal; Salman Aziz

Organic residues from a flotation deinking and thennomechanical pulp newsprint mill Norman F. Pridham; Anthony Y. Yau

Utilization of mill residue (sludge) Staff, Progress in Paper Recycling

Environmental impact of recycling Tanwir Badar

Saving forest resources through recycling Dean W. Einspahr

Fibre deterioration from repeated recycling and paper recycling simulation model: executive summary Temanex Consulting Inc.

The contribution of different types of fines to the properties of handsheets made from recycled paper J. M. Hawes; M. R. Doshi

It's the water -- your key to recycled fiber quality Marc W. Brink

vii Controlling freeeness in a 100% recycled board mill Terrance J. Coenen

Stickie situation at Garden State William C. Andrews

Contaminant challenges at Stone Container-Snowflake Mill Mark Rein

Problems with stickiedcontaminants and some simple ways to improve with an existing system Terrance J. Coenen

Contaminant control at Arkansas Kraft Miles Lacy; David Cawein

MenashaTMpaper peanuts: an environmentally sound loose-fill alternative Kathy Kalz

Using recovered papers in pencil making Richard L. Maine

Why does a recycled sheet feel limp? Kate Cathie

How does the inclusion of post-consumer fiber affect the permanence of paper? 294 Mahendra R. Doshi

What is the effect of entrained air on the performance of hydrocyclones? Terry Bliss

What is a quick way of distinguishing between a lightweight coated (LWC) groundwood sheet and a supercalendered (SC) groundwood sheet? Mahendra R. Doshi

What is the appropriate procedure for handhseet preparation when evaluating optical properties of recycled pulp? Are we washing away part of our answer when using TAPPI Official Method T218 om90 or T272 om92? Don L. Scott

How can you quantify the amount of calcium carbonate in ash? Mahendra R. Doshi; Kevin M. French

Calculation of separation eff~ciency Mahendra R. Doshi

Consistency - it's not always what it may seem David W. Westenberger

AUTHOR INDEX

SUBJECT INDEX

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