An Interval-Fuzzy Emissions Reduction Optimization Model for Regional Water Pollutant Total Amount Control

2013 ◽  
Vol 316-317 ◽  
pp. 497-500
Author(s):  
Zhuang Li ◽  
Jing Ya Wen ◽  
Ze Sen Wang ◽  
Zhao Sun ◽  
Yu Li
Keyword(s):  
Water Pollution ◽  
Optimization Model ◽  
Fuzzy Linear Programming ◽  
Hunan Province ◽  
Emissions Reduction ◽  
Environment Protection ◽  
Validity And Reliability ◽  
Total Amount Control ◽  
Water Pollutant ◽  
Regional Water

Combining environment policies of structure emissions reduction, engineering emissions reduction and management emissions reduction, this paper uses an interval-fuzzy linear programming and builds an optimization model for total amount control of regional water pollution, on account of severe water pollution condition. The developed model is applied to a case of Hunan Province to validate its validity and reliability. The optimal result demonstrated that the emission reduction of COD and NH3-N are [43.39, 47.57] and [7.05, 7.64] (104 tons), and the optimal total costs of reduction is [35.11, 37.35] (billion yuan), which decreases 6.32~11.20% than the existed recommended scheme (39.87 billion yuan). This method can be used for providing technical support and thus achieves the 12th Five-year goals of the environment protection plan more effectively.

A SEM Water Pollutants Emissions Reduction Optimization Model for Pollutant Total Amount Control in a Region

2012 ◽  
Vol 610-613 ◽  
pp. 1579-1582 ◽  
Author(s):  
Jing Ya Wen ◽  
Yan Hu ◽  
Zhao Sun ◽  
Zhuang Li ◽  
Yu Li
Keyword(s):  
Water Pollution ◽  
Optimization Model ◽  
Emission Reduction ◽  
Technical Support ◽  
Emissions Reduction ◽  
Environment Protection ◽  
Validity And Reliability ◽  
Total Amount Control ◽  
Regional Water

On account of severe water pollution condition, this paper combines structure emissions reduction, engineering emissions reduction and management emissions reduction (namely SEM emissions reduction), builds an optimization model for total amount control of regional water pollution, and puts the above model into practice to validate its validity and reliability. According to the case study, the emission reduction of COD and NH3-N are 43.94 and 7.09 (104 tons), respectively. The optimal total costs of reduction is 36.89 (billion yuan), which decreases 7.47% than the existed recommended scheme (39.87 billion yuan). This method can be used for providing technical support and thus achieves the 12th Five-year goals of the environment protection plan more effectively.

A Selection Optimization Model of Water Pollution Emission Reduction Measures in Refining and Chemical Enterprises

2014 ◽  
Vol 472 ◽  
pp. 840-844
Author(s):  
Xing Chun Li ◽  
Jing Ya Wen ◽  
Jiang Long ◽  
Xian Yuan Du ◽  
Yu Li
Keyword(s):  
Water Pollution ◽  
Optimization Model ◽  
Emission Reduction ◽  
Pollution Reduction ◽  
Sulfur Recovery ◽  
Validity And Reliability ◽  
Maximum Emission ◽  
Pollution Emission ◽  
Recovery Unit

On account of severe water pollution condition, this paper combines refinery and chemical enterprises pollution reduction and linear programming method, builds a selection optimization model of water pollution emission reduction measures in refining and chemical enterprises, and puts the above model into practice to validate its validity and reliability. According to the case study, the maximum emission reductions of COD and NH3-N for refining and chemical enterprises was 6481.50 and 549.51tons, which has improved 29.63% and 9.90% compared with the target reductions, respectively. The optimal emission reduction scheme is choosing MycelxTMtechnology, and COD has installed on the Delay catalytic unit, while NH3-N has installed on the Sulfur recovery unit. This model could provide not only the maximum emission reduction and optimal scheme, but also the decision support of emission reduction for refinery and chemical enterprises during "the 12thFive-Year Plan".

Based on IF-PSO River Basin Water Pollutant Total Amount Control Optimization Model

2014 ◽  
Vol 508 ◽  
pp. 269-274
Author(s):  
Ming Hui Chen ◽  
Wei Liu ◽  
Ze Sen Wang ◽  
Yu Li
Keyword(s):  
Water Pollution ◽  
River Basin ◽  
Pollution Control ◽  
Ammonia Nitrogen ◽  
Optimal Decision ◽  
Control Optimization ◽  
Total Amount Control ◽  
Basin Water ◽  
Water Pollutant ◽  
And Control

This research based on the total amount control of river basin water pollution reducing, and with YiTong river basin as the study case, to obtain the optimal decision scheme of water environmental pollution control, acquired in 2015 the smallest reduction of COD and ammonia nitrogen is 77804.53 tons and 6644.92 tons, in 2020 obtained the smallest reduction of COD and ammonia nitrogen is 33518.49 tons and 2887.69 tons; acquired in 2020 the smallest reduction of COD and ammonia nitrogen is 77103.39 tons and 6584.52 tons, in 2010 obtained the smallest reduction of COD and ammonia nitrogen is 34219.62 tons and 2948.09 tons, provided decision-making support for the basin water pollution control, improve watershed management and control of water pollutants.

An Interval Optimization Model of Regional Pollutant Total Amount Control Based on a SEM Total Control Evaluation Index System

2012 ◽  
Vol 599 ◽  
pp. 472-475
Author(s):  
Jing Ya Wen ◽  
Yan Hu ◽  
Zhao Sun ◽  
Zhuang Li ◽  
Yu Li
Keyword(s):  
Optimization Model ◽  
Index System ◽  
Emission Reduction ◽  
Evaluation Index System ◽  
Evaluation Index ◽  
Emissions Reduction ◽  
Interval Optimization ◽  
Total Amount Control ◽  
Total Control ◽  
Control Evaluation

Facing serious environmental forms and combining structure, engineering and management emissions reduction (SEM), this paper had drew up a SEM total control evaluation index system, and built an interval optimization model of regional pollution total amount control which minimized the emission reduction costs. Through the application of model case, the interval optimal model had obtained a reasonable scheme. The minimum total costs of emission reduction was [461.51, 531.19] (108 yuan), decreasing -1.75%~11.59% comparing with the recommended scheme (522.03, 108 yuan), while the maximum emissions reduction of COD, NH3-N, SO2 and NOX were [42.58, 48.32], [6.92, 7.80], [30.72, 34.96], and [23.21, 26.78] (104 tons). The interval optimal result provides policymakers an excellent decision, expands the range of macro-decisions and controls countermeasures for pollutant total amount control program.

Application of Interval-Fuzzy Linear Programming for Total Amount Control Optimization Model on Regional Atmospheric Pollutants

2013 ◽  
Vol 316-317 ◽  
pp. 493-496
Author(s):  
Jing Ya Wen ◽  
Ze Sen Wang ◽  
Yan Hu ◽  
Zhuang Li ◽  
Yu Li
Keyword(s):  
Linear Programming ◽  
Optimization Model ◽  
Fuzzy Linear Programming ◽  
Atmospheric Pollutants ◽  
Management Policy ◽  
Linear Programming Method ◽  
Total Cost ◽  
Control Optimization ◽  
Total Amount Control ◽  
Set Up

Aiming at the harsh environmental situation at present, this paper applied the interval fuzzy linear programming method, and combines environmental management policy about the total control of regional atmospheric pollution, to set up an optimization model for total amount control of regional atmospheric pollutants under uncertainty. Through the model results, the total cost of reduction in instance case was [119.98, 125.82] (108yuan), and the membership of SO2and NOXpredicted through the model were [31.00, 32.64] and [23.62, 25.94] (104tons), respectively. This model could get the minimum total cost of emission reduction, and be used as the technique and theory guider for the total amount control of atmospheric pollutants.

Pengaruh Motivasi, Self Awareness Dan Komunikasi terhadap Disiplin Kerja Karyawan di Perusahaan Daerah Air Minum (Pdam) Kabupaten Ponorogo

2020 ◽  
Vol 1 (2) ◽  
Author(s):  
Fitriana Fitriana ◽  
Umi Farida ◽  
Tegoeh Hari Abrianto
Keyword(s):  
Regression Analysis ◽  
Data Analysis ◽  
Water Supply ◽  
Regression Coefficient ◽  
Reliability Test ◽  
Self Awareness ◽  
Validity And Reliability ◽  
Communication Variable ◽  
Water Supply Company ◽  
Regional Water

This study aims to determine the effect of motivation, self awareness and communication on the work discipline of employees in the Regional Water Supply Company (PDAM) of Ponorogo Regency. The location of research in Pramuka Street Number 21, Nologaten, Ponorogo Regency. The population in this study was 102 employees. The sample in this study used 50 respondents. Data collection techniques using questionnaires, then tested with validity and reliability test, while the method of data analysis using multiple regression analysis with the help of SPSS and hypothesis testing partially or simultaneously. The results showed that; (1) Motivation partially influences the work discipline of employees in the Regional Water Supply Company (PDAM) of Ponorogo Regency with a regression coefficient of 0.317, t value of 2.903> t table of 2.012 and sig. of 0.006 <0.05, (2) Self Awareness partially influences the work discipline of employees in the Regional Water Supply Company (PDAM) of Ponorogo Regency with the results of the regression coefficient of 0.409, t value of 3.478> t table of 2.012 and sig. of 0.001 <0.05, (3) Communication partially influences the work discipline of employees in the Regional Water Supply Company (PDAM) of Ponorogo Regency with the results of a regression coefficient of 0.310, t value of 2.178> t table of 2.012 and sig. of 0.035 <0.05, (4) Motivation, self awareness and communication simultaneously affect employee work discipline in the Regional Water Supply Company (PDAM) of Ponorogo Regency with the calculated F value of 14.807> F table 2.81 and sig value. of 0,000 <0.05, (5) Self awareness is the most dominant variable affecting the work discipline of employees in the Regional Water Supply Company (PDAM) of Ponorogo Regency with the result of self awareness variable t value of 3.478 is greater than the value of t variable count motivation and communication variables. Furthermore, from the value of sig. the variable self awareness of 0.001 is smaller than the value of sig. motivation variable and communication variable.

scholarly journals Depicting Flows of Embodied Water Pollutant Discharge within Production System: Case of an Undeveloped Region

2019 ◽  
Vol 11 (14) ◽  
pp. 3774
Author(s):  
Wei Yang ◽  
Junnian Song
Keyword(s):  
Water Pollution ◽  
Supply Chains ◽  
Oxygen Demand ◽  
Final Demand ◽  
Multiple Perspectives ◽  
Export Structure ◽  
Production And Consumption ◽  
Pollutant Discharge ◽  
Cutting Capacity ◽  
Water Pollutant

Water pollution is still an obstacle on the way towards sustainable development, especially for some undeveloped regions in China. To formulate policies for water pollution control from multiple perspectives, it is significant to holistically investigate how final demand purchases trigger water pollutant discharge in the production process. With Jilin Province as an empirical study area, the final production and consumption attributions of chemical oxygen demand (COD) discharge within the input–output framework are measured. By employing structural pass analysis and mapping approaches, the supply chain linkages between the two attributions of COD discharge are illustrated. The embodied flows of COD discharge across sectors through the supply chains are exhaustively revealed. The results show that the exports drive 70.23% of the total COD discharge. Animal production (S2) is the dominant contributor to COD discharge from both production and consumption perspectives. Final demand on the products of Foods & tobacco products (S8), Sawmills & furniture, and Construction largely induces COD discharge at higher production layers. In contrast, final demand on S2’s products mainly drives direct COD discharge (96.04%). S2 and S8 are the two key sectors in the supply chains, which provide other sectors with pollution-intensive products as intermediate inputs. The findings indicate that the export of S2’s products should be largely cut down, along with adjustment of the export structure. Innovations of production technologies and improvement of end-of-pipe abatement abilities for S2 and S8 should be facilitated. Besides, cutting capacity or reducing investment on these two sectors should be propelled.

Evaluation Index System of Tourism Ecological Environment Security of Islet in River and it’s Application

2013 ◽  
Vol 788 ◽  
pp. 379-382
Author(s):  
Chi Qin Huang ◽  
Hui Jun Peng
Keyword(s):  
Index System ◽  
Environmental Security ◽  
Evaluation Index System ◽  
Hunan Province ◽  
Evaluation Index ◽  
Ecological Environment ◽  
Security Evaluation ◽  
Ecological Security ◽  
Environment Protection ◽  
State Response

The ecological system and natural environment of islet in river are easy to be damaged. With the increasing tourists and serious lag of management, the ecological environment of islet in river is facing severe challenges and its ecological environmental security should been paid more attention. Based on the model of Press-State-Response, the article constructed the evaluation index system of islet in river and applied it in the evaluation of Dongzhou islet of Hengyang, Hunan province of China. The research can provide the reference for ecological security evaluation and environment protection. It will promote the islets tourism utilization and sustainable development.

Sign in / Sign up

Export Citation Format

Share Document