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author：

Chang, H. (Chang, H..) [1] | Zhu, Y. (Zhu, Y..) [2] | Liu, N. (Liu, N..) [3] | Ji, P. (Ji, P..) [4] | Yan, Z. (Yan, Z..) [5] | Cheng, X. (Cheng, X..) [6] | Qu, D. (Qu, D..) [7] | Liang, H. (Liang, H..) [8] | Qu, F. (Qu, F..) [9]

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Scopus

Abstract：

Low　pressure　membrane　takes　a　great　role　in　hydraulic　fracturing　wastewater　(HFW),　while　membrane　fouling　is　a　critical　issue　for　the　stable　operation　of　microfiltration　(MF).　This　study　focused　on　fouling　mitigation　by　sodium　percarbonate　(SPC)　oxidation,　activated　by　ultraviolet　(UV)　and　ferrous　ion　(Fe(II)).　The　higher　the　concentration　of　oxidizer,　the　better　the　anti-fouling　performance　of　MF　membrane.　Unlike　severe　MF　fouling　without　oxidation　(17.26　L/(m2·h)),　UV/SPC　and　Fe(II)/SPC　under　optimized　dosage　improved　the　final　flux　to　740　and　1553　L/(m2·h),　respectively,　and　the　latter　generated　Fe(III)　which　acted　as　a　coagulant.　Fe(II)/SPC　oxidation　enabled　a　shift　in　fouling　mechanism　from　complete　blocking　to　cake　filtration,　while　UV/SPC　oxidation　changed　it　to　standard　blockage.　UV/SPC　oxidation　was　stronger　than　Fe(II)/SPC　oxidation　in　removing　UV254　and　fluorescent　organics　for　higher　oxidizing　capacity,　but　the　opposite　was　noted　for　DOC　removal.　The　deposited　foulants　on　membrane　surface　after　oxidation　decreased　by　at　least　88%　compared　to　untreated　HFW.　Correlation　analysis　showed　that　UV254,　DOC　and　organic　fraction　were　key　parameters　responsible　for　membrane　fouling　(correlation　coefficient＞0.80),　oxidizing　capacity　and　turbidity　after　oxidation　were　also　important　parameters.　These　results　provide　new　insights　for　fouling　control　during　the　HFW　treatment.　©　2024　Elsevier　Inc.

Keyword：

Ferrous ion (Fe(II)) Hydraulic fracturing wastewater Microfiltration fouling Sodium percarbonate (SPC) Ultraviolet (UV)

Community：

  • [ 1 ] [Chang H.]MOE Key Laboratory of Deep Earth Science and Engineering, College of Architecture and Environment, Sichuan University, Chengdu, 610207, China
  • [ 2 ] [Chang H.]State Key Laboratory of Intelligent Construction and Healthy Operation and Maintenance of Deep Underground Engineering, Sichuan University, 610065, Chengdu, China
  • [ 3 ] [Zhu Y.]MOE Key Laboratory of Deep Earth Science and Engineering, College of Architecture and Environment, Sichuan University, Chengdu, 610207, China
  • [ 4 ] [Zhu Y.]State Key Laboratory of Intelligent Construction and Healthy Operation and Maintenance of Deep Underground Engineering, Sichuan University, 610065, Chengdu, China
  • [ 5 ] [Liu N.]MOE Key Laboratory of Deep Earth Science and Engineering, College of Architecture and Environment, Sichuan University, Chengdu, 610207, China
  • [ 6 ] [Liu N.]State Key Laboratory of Intelligent Construction and Healthy Operation and Maintenance of Deep Underground Engineering, Sichuan University, 610065, Chengdu, China
  • [ 7 ] [Ji P.]MOE Key Laboratory of Deep Earth Science and Engineering, College of Architecture and Environment, Sichuan University, Chengdu, 610207, China
  • [ 8 ] [Ji P.]State Key Laboratory of Intelligent Construction and Healthy Operation and Maintenance of Deep Underground Engineering, Sichuan University, 610065, Chengdu, China
  • [ 9 ] [Yan Z.]College of Civil Engineering, Fuzhou University, Fujian, 350108, China
  • [ 10 ] [Cheng X.]School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan, 250101, China
  • [ 11 ] [Qu D.]Beijing Key Laboratory for Source Control Technology of Water Pollution, College of Environmental Science and Engineering, Beijing Forestry University, 35 Qinghua East Road, Haidian District, Beijing, 100083, China
  • [ 12 ] [Liang H.]State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, 150090, China
  • [ 13 ] [Qu F.]Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Guangzhou University, Guangzhou, 510006, China

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Source ：

Environmental Research

ISSN： 0013-9351

Year： 2024

Volume： 262

7 . 7 0 0

JCR@2023

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ESI Highly Cited Papers on the List： 0 Unfold All

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