Low-pressure submerged membrane filtration for potential reuse of detergent and water from laundry wastewater

Membrane filtration is an attractive for laundry wastewater treatment especially when aiming for detergent and water reuse. However, its performance is largely restricted by membrane fouling, especially when it is run under high and trans-membrane pressure (�P) and in the sidestream configuration....

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Main Authors: Bilad, M.R., Mat Nawi, N.I., Subramaniam, D.D., Shamsuddin, N., Khan, A.L., Jaafar, J., Nandiyanto, A.B.D.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.23444 /
Published: Elsevier Ltd 2020
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85083291460&doi=10.1016%2fj.jwpe.2020.101264&partnerID=40&md5=901c8c6954e6e36df3efb22f67a5df96
http://eprints.utp.edu.my/23444/
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spelling utp-eprints.234442022-03-29T01:46:27Z Low-pressure submerged membrane filtration for potential reuse of detergent and water from laundry wastewater Bilad, M.R. Mat Nawi, N.I. Subramaniam, D.D. Shamsuddin, N. Khan, A.L. Jaafar, J. Nandiyanto, A.B.D. Membrane filtration is an attractive for laundry wastewater treatment especially when aiming for detergent and water reuse. However, its performance is largely restricted by membrane fouling, especially when it is run under high and trans-membrane pressure (�P) and in the sidestream configuration. The conventional treatment systems typically consist of multi-processes for removal of pollutants -including detergent- to meet the water discharge or reuse specification. This study assesses performance of a submerged membrane filtration under low �P for treatment of real laundry wastewater, obtained from local laundry shop, aiming for detergent and water reuse. Results show that low �P of as low as 0.05 bar offers the highest permeability of 297 ± 15.3 Lm�2 h�1 bar�1 without significant membrane fouling. Increasing the �P leads to decreasing trend in the permeability especially in the early stages of filtration. Aeration was found to be effective in enhancing hydraulic performance by 60 at rates >1 Lmin�1, below which offers ineffective foulant scouring impact. The membrane effectively removes chemical oxygen demand, total nitrogen, total phosphorus and turbidity of 52 , 13 , 65 and 97 respectively, and the system offers recovery of detergent from the spent laundry wastewater by 78 . Implementation of the concept in a laundry set-up can be done by treating wastewater from the washing cycle and reusing back the permeate for the following cycle. Our overall results suggest that the system is suitable to be applied for detergent and water reuse from wash cycle of industrial laundry. © 2020 Elsevier Ltd Elsevier Ltd 2020 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85083291460&doi=10.1016%2fj.jwpe.2020.101264&partnerID=40&md5=901c8c6954e6e36df3efb22f67a5df96 Bilad, M.R. and Mat Nawi, N.I. and Subramaniam, D.D. and Shamsuddin, N. and Khan, A.L. and Jaafar, J. and Nandiyanto, A.B.D. (2020) Low-pressure submerged membrane filtration for potential reuse of detergent and water from laundry wastewater. Journal of Water Process Engineering, 36 . http://eprints.utp.edu.my/23444/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description Membrane filtration is an attractive for laundry wastewater treatment especially when aiming for detergent and water reuse. However, its performance is largely restricted by membrane fouling, especially when it is run under high and trans-membrane pressure (�P) and in the sidestream configuration. The conventional treatment systems typically consist of multi-processes for removal of pollutants -including detergent- to meet the water discharge or reuse specification. This study assesses performance of a submerged membrane filtration under low �P for treatment of real laundry wastewater, obtained from local laundry shop, aiming for detergent and water reuse. Results show that low �P of as low as 0.05 bar offers the highest permeability of 297 ± 15.3 Lm�2 h�1 bar�1 without significant membrane fouling. Increasing the �P leads to decreasing trend in the permeability especially in the early stages of filtration. Aeration was found to be effective in enhancing hydraulic performance by 60 at rates >1 Lmin�1, below which offers ineffective foulant scouring impact. The membrane effectively removes chemical oxygen demand, total nitrogen, total phosphorus and turbidity of 52 , 13 , 65 and 97 respectively, and the system offers recovery of detergent from the spent laundry wastewater by 78 . Implementation of the concept in a laundry set-up can be done by treating wastewater from the washing cycle and reusing back the permeate for the following cycle. Our overall results suggest that the system is suitable to be applied for detergent and water reuse from wash cycle of industrial laundry. © 2020 Elsevier Ltd
format Article
author Bilad, M.R.
Mat Nawi, N.I.
Subramaniam, D.D.
Shamsuddin, N.
Khan, A.L.
Jaafar, J.
Nandiyanto, A.B.D.
spellingShingle Bilad, M.R.
Mat Nawi, N.I.
Subramaniam, D.D.
Shamsuddin, N.
Khan, A.L.
Jaafar, J.
Nandiyanto, A.B.D.
Low-pressure submerged membrane filtration for potential reuse of detergent and water from laundry wastewater
author_sort Bilad, M.R.
title Low-pressure submerged membrane filtration for potential reuse of detergent and water from laundry wastewater
title_short Low-pressure submerged membrane filtration for potential reuse of detergent and water from laundry wastewater
title_full Low-pressure submerged membrane filtration for potential reuse of detergent and water from laundry wastewater
title_fullStr Low-pressure submerged membrane filtration for potential reuse of detergent and water from laundry wastewater
title_full_unstemmed Low-pressure submerged membrane filtration for potential reuse of detergent and water from laundry wastewater
title_sort low-pressure submerged membrane filtration for potential reuse of detergent and water from laundry wastewater
publisher Elsevier Ltd
publishDate 2020
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85083291460&doi=10.1016%2fj.jwpe.2020.101264&partnerID=40&md5=901c8c6954e6e36df3efb22f67a5df96
http://eprints.utp.edu.my/23444/
_version_ 1741196676729667584
score 11.62408

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