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Analysis of Environmental Status of the Kechut Artificial Reservoir and River Arpa with Armenian Index of Water Quality

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Analysis of Environmental Status of the Kechut Artificial Reservoir and River Arpa with Armenian Index of Water Quality Analysis of environmental status of the Kechut Artificial Reservoir and river Arpa with armenian index of water quality Table 5. – Change of the indices of the oil taken from well N111 depending on time Before After measure measure № Indices 01.06.– 19.07.– 21.07.– 24.07.– 30.07.– 14.08.– 19.09.– 11.11.– 2015 2015 2015 2015 2015 2015 2015 2015 1 Pure oil,% 66,67 66,67 73,3 73,3 71,6 100 100 100 Specific weight of oil, 2 891,0 890,0 890,0 890,0 890,0 890,0 891,0 891,0 kg/m 3 (20 °) 3 Water separated from oil% 0 0 0 0 1,16 0 0 0 4 Rubber,% 40 16 28 20 30 34 34 36 5 Oil viscosity, sSt 14,6 7,0 6,5 5,9 4,8 10,8 10,8 10,8 6 Mechani-cal mix-tures,% 33,33 33,33 26,6 26,6 28,3 0 0 0 As it is seen from table 5 quality indices of produced and BF-2 reagents based on nanostructural coordination oil are improving after measure. polymers show that the composite can be applied and it Analysis of measure results of the influence on WBZ will be very useful for increasing production efficiency in of well N111 carried out by 3% composition in layer heavy oil fields with high viscosity. water of 1% mixture of equal quantity mixtures of BF-1 References: 1. Hasanov A. A., Ibrahimov H.M, Efendiyev Z. S., Shamilov V. M., Hasanov I. Z. Extraction methods of oil residues from long used fields of Azerbaijan//Azerbaijan oil industry N5, 2015. P. 37–43. 2. Arens V. J. Geotechnical methods of Minerals extraction. M. Nedra, 1986. P. 263. 3. Ibragimov G.Z and others. Use of chemical reagents for intensification of oil production – M. Nedra, 1991. P. 382. 4. Bagirov M.K and others. Increase of layer oil output by using microfoam systems – Baku, Sabah, P. 279. 5. Gumerskiy Kh.Kh., Shahverdiyev F.Kh., Mamedov Y. G., Generalization of world experience in oil deposits de- velopment//Azerbaijan oil industry N11, P. 14–29. 6. Kaminge B. K. Problem of extraction of residue oils//Oil, gas and petroleum chemistry abroad – 1991. N4, P. 16–20. 7. Shelkachev V. N. Analyses of national oil extraction in comparison with abroad//Oil industry 1991, N10. P. 32–39. Simonyan Arsen Gevorgovich, Yerevan State University, Postgraduate Student, the Faculty of Pharmacy and Chemistry E-mаil: [email protected] Pirumyan Gevorg Petrosovich, Yerevan State University, Doctor of Technical Science, Professor, the Faculty of Pharmacy and Chemistry, E-mаil: [email protected] Simonyan Gevorg Sarkisovich, Yerevan State University, Candidate of Chemiical Science, Associat Professor, the Faculty of Pharmacy and Chemistry, E-mаil: [email protected] Analysis of environmental status of the Kechut Artificial Reservoir and river Arpa with armenian index of water quality Abstract: The water quality of Kechut Artificial Reservoir and river Arpa was evaluated by Armenian water guality index at first time. It was shown that from the source to the mouth of the river the values of the Armenian water guality index increases, indicating the decline in the water quality of river Arpa. It was estab- 37 Section 4. Technical sciences lished that the Armenian water guality index has a lineаr relationship with the Water сontamination index, Specific-combinatorial water quality index and Entropic water quality index and has an inverse relationship with the Canadian water quality index. Keywords: river Аrpa, Kechut Artificial Reservoir, entropy, geoecological syntropy Water quality index, Armenian water guality index. Introduction. For evaluation of water contamina- not less important, information with environment. The tion degree the comprehensive indicators are used which system must consume information from the environ- take possible to evaluate the contamination of water at the ment and provide information environment for act same time on a wide range of quality indicators. The study and interact with environment. Shannon was the first of ecological status of Republic Armenia Rivers is impor- who related concepts of entropy and information [4]. tance both for evaluation of water quality of that objects He was suggesting that entropy is the amount of informa- and for their further rational use. Development of water tion attributable to one basic message source, generating quality assessment methods using conventional indicators statistically independent reports. comprehensively taking into account various properties of Entropy general equation of Shannon was been used at surface water is an important issue. It must be noted that the first time by Maс-Artur in 1955 for evaluation of degree most developed complex characteristics of water object in of structuring biogenesis [5]. In 1957, R. Margalef postu- one way or another connected with the existing maximum lated theoretical concept that meets a variety of entropy for permissible concentration (MPC). a random selection of species from the community [6]. As In the last years we suggest Entropic water guality in- a result of these works widespread and universal recogni- dex (EWQI) and Armenian water guality index (AWQI) tion received index Shannon H sometimes referred to as a for evaluation surface water quality [1; 2]. Shannon information index of diversity [4]: n n The aim of presented paper is evaluation of Kechut H =−� �∑ i log i Water Reservoir and river Arpa by Armenian Water N 2 N Quality Index. Pollution of water systems can be represented as a Kechut Artificial Reservoir on the Arpa River, system of the hydro-chemical parameters (elements), the 3.5 km south of the resort town of Jermuk. Reservoir concentration of which exceeds the MPC. Then in the with an area of 145 hectares, the total amount — 23 mil- equation Shannon pi-probability of the number of cases lion cubic meters, the average depth — 20 m, coastline of MPC excess of i-substance or water indicator of total cases of MPC – N, P = n /N. length — 8.5 km [3]. Kechut Water Reservoir has one i i monitoring post: number 114. Arpa River originates in The following computational algorithm is used for north-west of Artsakh Plateau, at an altitude of 3200m determination I — geoecological syntropy [7], H- Shan- and flows into the Araks River, on the border of Nakhi- non entropy, EWQI and AWQI values: jevan and Turkey. The length of river is 126km (in Ar- 1. Determines the number of cases of MPC excess menia 90km), basin — 2630km². It flows through the of i-substance or indicator of water –n. gorges with a big difference in altitude. Mines and wa- 2. Estimates the total amount of cases the maximum = terfalls are fallen into the river near the town Jermuk. permissible concentration (N)–Nn∑ . log n �nlog n nlog n Arpa valley is wide in some parts of average flow, the river 3. Computes 2 , 2 ,∑ 2 . flows through Araks plain in lower flow [3]. On the Arpa 4. Determines geoecological syntropy (I) and en- nlog n� River are five monitoring post: number 83–0.5 km above ∑ 2 tropy (H): H =−log2 N �� , the city of Jermuk, number 84–0.5 km above the city N ∑nlog2n� of Vayk, number 85–0.5 km below the city of Vayk, num- 5. �I = , ber 86–0.5 km above the city of Yeghegnadzor, number N H = log–NI 87–0.5 km below the village Areni. 6. 2 � . G = H Determination procedure. In hydroecological sys- 7. Then EWQI is determined: � I tems there can be processes both with increase, and with 8. Further, the total amount multiplicity MAC ex- entropy reduction. The concept of entropy has many in- ceedances is estimated (M) – �Mm= ∑ . terpretations in various fields of human knowledge. The 9. Computes log2 M system interacts with the outside world as a whole. An 10. Armenian Water Quality Index was obtained: open system can exchange energy, material and, which is AIGW =+G 01.log2 M 38 Analysis of environmental status of the Kechut Artificial Reservoir and river Arpa with armenian index of water quality Results and Discussion. 1 times, respectively. The amount of excess cases of It was established in the river water is regularly in- MPC — N = 27, ∑nlog2n = 80.06, I = 80.06/27 =2.96, creased MPC of copper, vanadium, aluminum, chrom, H = log227–2.96 = 4.75–2.96 = 1.79, EWQI = G = manganese and selenium. For example, in 2009 year in 1.79/2.96 = 0.604. The total amount of the multiplicity - Mm= the position № 85 of River Arpa NO2 , V, Al, Mn and Se of MPC exceedances — ∑ =12.6, log2M= 3.653, number of MPC increasing cases is 2, 11, 11, 2, and AWQI = 0.604 + 0.3653=0.9693 (see Table 1). Table 1. – Entropic and Armenian water quality indexes for River Arpa and Kechut Artificial Reservoir Positions 83 84 85 86 87 114 I 3,12 3.17 2,96 3.18 3.12 3.32 H 1.52 1,22 1,79 1,57 1.63 1.0 EWQI 0.488 0,385 0.604 0,494 0,523 0.301 M=Σm 8.1 9.0 12.6 12.5 13.9 6.7 log2M 3.016 3.168 3.653 3.642 3.795 2.742 AWQI 0.7896 0.7018 0.9693 0.8582 0.9025 0.5752 It was established that the AWQI is less than Quality of River Arpa and Kechut Artificial Reservoir one. This indicates that the water river Arpa is not water also comprehensively evaluate by other indexes: contaminated. It was shown that from the source to Water Contamination Index (WCI), Canadian Water the mouth of the river values of the AWQI increases, Quality Index (CWQI) and Specific-combinatorial indicating, the decline in the water quality of river Arpa.
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