A Case Study on Recycling Industrial Wastewater with Nanofiltration Membrane Separation Technology

As pressure on water resources intensifies and stringent regulations for groundwater and surface water are enacted, wastewater recycling has emerged as a key research objective for many enterprises. In this study, based on the actual wastewater discharged from Eternal Electronic (Suzhou, China) Co.,...

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Main Authors: Yiqiang Deng, Xiaoqian Bai, Jialong Lin, Linyan Yang, Yuqing Lin, Mingyue Lin, Guangli Xiu
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Membranes
Subjects:
Online Access:https://www.mdpi.com/2077-0375/14/12/266
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author Yiqiang Deng
Xiaoqian Bai
Jialong Lin
Linyan Yang
Yuqing Lin
Mingyue Lin
Guangli Xiu
author_facet Yiqiang Deng
Xiaoqian Bai
Jialong Lin
Linyan Yang
Yuqing Lin
Mingyue Lin
Guangli Xiu
author_sort Yiqiang Deng
collection DOAJ
description As pressure on water resources intensifies and stringent regulations for groundwater and surface water are enacted, wastewater recycling has emerged as a key research objective for many enterprises. In this study, based on the actual wastewater discharged from Eternal Electronic (Suzhou, China) Co., Ltd., the performance differences in different membrane materials in treating this wastewater were analyzed and compared. The NF90 membrane was ultimately selected as the most suitable choice for treating this wastewater with optimal operating conditions of 150 psi, 25 °C, and 1 L/min, respectively. All the indices of wastewater treatment can satisfy the standard of circulating cooling water. In addition, this work is closely combined with the practical applications by using an HCl solution (pH = 3–4) to clean the fouled membranes, thus effectively solving the membrane fouling in the treatment process. This approach not only satisfies the environmental management requirements of enterprises but also provides valuable insights for similar wastewater treatment projects.
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issn 2077-0375
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publishDate 2024-12-01
publisher MDPI AG
record_format Article
series Membranes
spelling doaj-art-5c0ed37192574bc9b6c7628c8053ac0b2025-08-20T02:43:43ZengMDPI AGMembranes2077-03752024-12-01141226610.3390/membranes14120266A Case Study on Recycling Industrial Wastewater with Nanofiltration Membrane Separation TechnologyYiqiang Deng0Xiaoqian Bai1Jialong Lin2Linyan Yang3Yuqing Lin4Mingyue Lin5Guangli Xiu6State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai 200237, ChinaState Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai 200237, ChinaState Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai 200237, ChinaState Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai 200237, ChinaState Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai 200237, ChinaState Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai 200237, ChinaState Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai 200237, ChinaAs pressure on water resources intensifies and stringent regulations for groundwater and surface water are enacted, wastewater recycling has emerged as a key research objective for many enterprises. In this study, based on the actual wastewater discharged from Eternal Electronic (Suzhou, China) Co., Ltd., the performance differences in different membrane materials in treating this wastewater were analyzed and compared. The NF90 membrane was ultimately selected as the most suitable choice for treating this wastewater with optimal operating conditions of 150 psi, 25 °C, and 1 L/min, respectively. All the indices of wastewater treatment can satisfy the standard of circulating cooling water. In addition, this work is closely combined with the practical applications by using an HCl solution (pH = 3–4) to clean the fouled membranes, thus effectively solving the membrane fouling in the treatment process. This approach not only satisfies the environmental management requirements of enterprises but also provides valuable insights for similar wastewater treatment projects.https://www.mdpi.com/2077-0375/14/12/266nanofiltration membraneswater reusecirculating cooling water
spellingShingle Yiqiang Deng
Xiaoqian Bai
Jialong Lin
Linyan Yang
Yuqing Lin
Mingyue Lin
Guangli Xiu
A Case Study on Recycling Industrial Wastewater with Nanofiltration Membrane Separation Technology
Membranes
nanofiltration membranes
water reuse
circulating cooling water
title A Case Study on Recycling Industrial Wastewater with Nanofiltration Membrane Separation Technology
title_full A Case Study on Recycling Industrial Wastewater with Nanofiltration Membrane Separation Technology
title_fullStr A Case Study on Recycling Industrial Wastewater with Nanofiltration Membrane Separation Technology
title_full_unstemmed A Case Study on Recycling Industrial Wastewater with Nanofiltration Membrane Separation Technology
title_short A Case Study on Recycling Industrial Wastewater with Nanofiltration Membrane Separation Technology
title_sort case study on recycling industrial wastewater with nanofiltration membrane separation technology
topic nanofiltration membranes
water reuse
circulating cooling water
url https://www.mdpi.com/2077-0375/14/12/266
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