Abstract:This paper proposes a multi-criteria approach to assess current technology systems in water treatment (WT) plants and water waste treatment (WWT) plants to find out the main implications on the quality of service. Presently, the plant production process and efficiency improvement of WWT plants has become a challenge for WWT plants. The need of cost-efficient and reliable treatment processes has significantly increased so as to meet the level of environmental regulations and national goals. A case study has bee… Show more
“…Nowadays, there are special attentions for expansion of the productivity of water treatment quality to meet the nation and global environmental standards [1]. The limitation identified with environmental organization and agencies have recently strengthened and confirm national demands and goals [2]. So far, the researchers in the area of wastewater treatment have mostly concentrated on the quality of water and related problems.…”
Currently, the efficiency improvement of industrial wastewater treatment plant (IWWTP) has turned into a noticeable challenge for plants operator. In addition, decreasing in the cost and energy consumption of wastewater treatment plants has attracted great interest by water agencies and IWWTP management. Since IWWTPs are energy-intensive facilities, the need for cost-efficient and reliable treatment processes has significantly increased so as to meet the standards of environmental regulations and national goals. Determination of energy efficiency of IWWTPs is a starting point for any energy-saving initiative. In this paper, a case study was carried out in 79 WWTPs in Iran's industrial zones to identify electrical energy efficiency indices (EEI). In order to achieve a reliable result, Data Envelopment Analysis (DEA) was applied by Lingo11 software. The electrical energy efficiency index was estimated by regression equations for plants with different level of treatment (ready to discharge to the river, irrigation of green spaces, and agriculture) using Minitab17 software. The obtained results showed that only 1% of the treatment plants have high energy efficiency index (0.8
“…Nowadays, there are special attentions for expansion of the productivity of water treatment quality to meet the nation and global environmental standards [1]. The limitation identified with environmental organization and agencies have recently strengthened and confirm national demands and goals [2]. So far, the researchers in the area of wastewater treatment have mostly concentrated on the quality of water and related problems.…”
Currently, the efficiency improvement of industrial wastewater treatment plant (IWWTP) has turned into a noticeable challenge for plants operator. In addition, decreasing in the cost and energy consumption of wastewater treatment plants has attracted great interest by water agencies and IWWTP management. Since IWWTPs are energy-intensive facilities, the need for cost-efficient and reliable treatment processes has significantly increased so as to meet the standards of environmental regulations and national goals. Determination of energy efficiency of IWWTPs is a starting point for any energy-saving initiative. In this paper, a case study was carried out in 79 WWTPs in Iran's industrial zones to identify electrical energy efficiency indices (EEI). In order to achieve a reliable result, Data Envelopment Analysis (DEA) was applied by Lingo11 software. The electrical energy efficiency index was estimated by regression equations for plants with different level of treatment (ready to discharge to the river, irrigation of green spaces, and agriculture) using Minitab17 software. The obtained results showed that only 1% of the treatment plants have high energy efficiency index (0.8
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