Investigation of reusability of effluents from an organized industrial zone wastewater treatment plant using a pressure-driven membrane process

IF 4.3 4区 环境科学与生态学 Q2 ENGINEERING, ENVIRONMENTAL Water Reuse Pub Date : 2023-10-10 DOI:10.2166/wrd.2023.066
Zehra Betül Ocal, Ahmet Karagunduz, Bulent Keskinler, Nadir Dizge, Huthaifa I. Ashqar
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Abstract

Abstract The quantity of wastewater being discharged into the environment due to the rise in industrial activities is progressively growing over time. Aside from large environmental risk posed by untreated wastewater discharge, the reuse of treated water prevents wastage of large amount of water. For this reason, in this study, the reuse potential of an organized industrial zone wastewater was investigated by membrane processes. The appropriate membrane type and rejection performance were determined for various pollutant parameters including, conductivity, chemical oxygen demand (COD), total nitrogen (TN), chloride, and sulfate. Laboratory-scale batch membrane filtration experiments were performed by using three different membrane types (BW30, XLE, and X20). The experiments were conducted at 15 and 20 bar pressures and flux data were collected during the operations. The results showed that BW30 and X20 membranes could be operated comfortably with 80% recovery for the wastewater containing low and high sulfate concentrations. For the wastewater with low sulfate concentration, the fluxes of BW30 and X20 at 20 bar were 19.7 and 16.4 L/m2/h, respectively, at 80% recovery. On the other hand, for the wastewater with higher sulfate concentration, the fluxes of BW30 and X20 at 20 bar were 8.6 and 11.5 L/m2/h, respectively.
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采用压力驱动膜工艺对有组织的工业区污水处理厂出水的再利用研究
随着时间的推移,由于工业活动的增加,排放到环境中的废水量正在逐步增长。除了未经处理的废水排放带来的巨大环境风险外,处理后的水的再利用可以防止大量水的浪费。因此,在本研究中,研究了膜法处理有组织的工业区废水的再利用潜力。对电导率、化学需氧量(COD)、总氮(TN)、氯化物和硫酸盐等污染物参数进行了测定,确定了合适的膜类型和截除性能。采用三种不同类型的膜(BW30、XLE和X20)进行了实验室规模的间歇膜过滤实验。实验分别在15巴和20巴压力下进行,并收集了运行过程中的流量数据。结果表明,BW30和X20膜对低、高浓度硫酸废水的处理回收率均达到80%。对于低硫酸盐浓度的废水,在回收率为80%时,在20 bar条件下,BW30和X20的通量分别为19.7和16.4 L/m2/h。另一方面,对于硫酸盐浓度较高的废水,在20 bar条件下,BW30和X20的通量分别为8.6和11.5 L/m2/h。
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来源期刊
Water Reuse
Water Reuse Multiple-
CiteScore
6.20
自引率
8.90%
发文量
0
审稿时长
7 weeks
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