Browse all Channels
IWA Publishing
Alliance House, 12 Caxton Street ,
London ,
United Kingdom SW1H 0QS
United Kingdom
  1. Companies
  2. IWA Publishing
  3. Articles
  4. Decomposition analysis of water consumption-related chemical ...

Decomposition analysis of water consumption-related chemical oxygen demand emission in Chinese industrial sectors

0
- By: , ,

Courtesy of IWA Publishing

Water shortage in China is caused by the uneven distribution of water resources, a situation that can worsen given overexploitation and pollution. Chemical oxygen demand (COD) emission is considered the most important water pollutant. Using the logarithmic mean Divisia index (LMDI) method, we analyse the main driving factors of the 2001–2011 changes in China's industrial water consumption-related COD emission. The main driving factors of COD emission are classified into five effects, namely, end-of-pipe treatment, COD emission intensity, water intensity, structural effect, and scale effect. In contrast to previous studies, the current work considers water consumption by using water intensity as an index. Results show that end-of-pipe treatment, with an effect of up to 35%, was the primary factor that influenced emission reduction during the studied period. Pollution reduction policies are key drivers of promoting advancements in technologies for reducing COD emission in industrial sectors, and technical efficiency in 2001–2011.

Related articles

  • Improved UV/O3 method for measuring the chemical oxygen demand

    We improved the ultraviolet (UV)/O3-based method for measuring chemical oxygen demand (COD) in water. An on-line COD monitoring device was developed and the UV/O3 method was used to oxidize sample solutions. A model was established by using support vector machines (SVM) algorithm to estimate dissolved oxygen and CO2 in solutions. Based on the measured data by each sensor during the oxidation process and the estimated dissolved oxygen and CO2, the UV/O3-based COD test accuracy was improved. This approach overcomes...

  • Modelling of biochemical oxygen demand from limited water quality variable by ANFIS using two ...

    This paper aims to: (1) develop models based on adaptive neuro-fuzzy inference system (ANFIS) able to predict five-day biochemical oxygen demand (BOD5) in Ouizert reservoir; (2) demonstrate the capability of the ANFIS in the practical issues of water quality management; (3) choose the optimal combination of input variables to improve the model performance; (4) compare two ANFIS partition methods, namely subtractive clustering called ANFIS-SC and grid partitioning, called ANFIS-GP. The models were developed using...

  • Development and Application of Oxygen Demand Testing using Industrial Effluent - Case Study

    Abstract The purpose of this study is to develop capacity and protocols for oxygen demand testing that can be used for instruction and research within the BioScience Technology program. For application purposes we chose the PeCOD® Analyzer which offers a unique nanotechnology-based approach to Chemical Oxygen Demand (COD) analysis. Background The Canadian Water Quality Guidelines have certain parameters for the quality of water Dissolved Oxygen (DO) is the most fundamental parameter of water, essential...

  • ASTM Standard Test Method for Photoelectrochemical Oxygen Demand of Freshwater Sources for Drinking ...

    Significance and Use 5.1 This test method describes a rapid method to determine the maximum quantity of oxygen that may be consumed by impurities in water. As outlined in Test Methods D1252, chemical oxygen demand is typically used to monitor and control oxygen-consuming pollutants, both organic and inorganic, in domestic and industrial wastewaters. This photoelectrochemical oxygen demand test method is specific for measuring organics and inorganics in freshwater sources for drinking water treatment plants and...

  • PeCOD® Case Study: 15 Sewer Use By-Law Monitoring: Batch Release Tracing City of Austin, Texas

    Municipal wastewater treatment plants are designed to process a calculated range of organic loading in the raw influent. The calculation of this loading is based on characteristics of the plant’s region, such as population and industry type. Organic loading is most often quantified by the concentration of parameters such as Total Suspended Solids (TSS), Biochemical Oxygen Demand (BOD), Total Organic Carbon (TOC), and Chemical Oxygen Demand (COD). These parameters all sum a specific aspect of the organic...

Customer comments

No comments were found for Decomposition analysis of water consumption-related chemical oxygen demand emission in Chinese industrial sectors. Be the first to comment!