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Removal of oil from oil-water emulsion by hybrid coagulation/sand filter as pre-treatment

Abdullah Almojjly, Daniel Johnson Orcid Logo, Darren Oatley-Radcliffe Orcid Logo, Nidal Hilal

Journal of Water Process Engineering, Volume: 26, Pages: 17 - 27

Swansea University Authors: Daniel Johnson Orcid Logo, Darren Oatley-Radcliffe Orcid Logo, Nidal Hilal

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DOI (Published version): 10.1016/j.jwpe.2018.09.004

Abstract

The removal of oil from water is of increasing importance in many industries, such as oil and gas, petrochemical and food industries, because of the large volumes of oily wastewater they produce. The aim of this work is to evaluate and compare the performance of ferrous and aluminium sulfate coagula...

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Published in: Journal of Water Process Engineering
ISSN: 2214-7144
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa43699
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first_indexed 2018-09-05T18:57:40Z
last_indexed 2018-11-13T14:17:41Z
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spelling 2018-11-13T08:11:24.0659218 v2 43699 2018-09-05 Removal of oil from oil-water emulsion by hybrid coagulation/sand filter as pre-treatment 4bdcc306062428d2715b0dd308cc092f 0000-0001-6921-0389 Daniel Johnson Daniel Johnson true false 6dfb5ec2932455c778a5aa168c18cffd 0000-0003-4116-723X Darren Oatley-Radcliffe Darren Oatley-Radcliffe true false 3acba771241d878c8e35ff464aec0342 Nidal Hilal Nidal Hilal true false 2018-09-05 The removal of oil from water is of increasing importance in many industries, such as oil and gas, petrochemical and food industries, because of the large volumes of oily wastewater they produce. The aim of this work is to evaluate and compare the performance of ferrous and aluminium sulfate coagulations and to compare between sand filter, coagulation and a hybrid coagulation/sand filter process when used as pre-treatment options. When the concentration of oil was low in the oil-water emulsion, the treatment by sand filter alone was adequate (oil ≤ 50 mg/L). On the other hand, when the oil concentration was greater than 50 mg/L, advanced treatments such as coagulation are required as post-processes to reach good water quality. Aluminium sulfate was observed to be more efficient (about 5% to 7% higher than the use of ferrous sulfate) and less costly than ferrous sulfate to remove oil from oil-water emulsion using coagulation. The optimal technology for pre-treatment to remove oil from oil-water emulsion was found to be a coagulant dosage of aluminium sulfate combined with sand filter at pH 8 during various concentrations as hybrid. Optimal conditions were found to occur at mixing duration and speed of 120s and 250 rpm respectively. Journal Article Journal of Water Process Engineering 26 17 27 2214-7144 Emulsion; Coagulation; Industrial wastewater; Sand filter; Zeta potential; pre-treatment 1 12 2018 2018-12-01 10.1016/j.jwpe.2018.09.004 COLLEGE NANME COLLEGE CODE Swansea University 2018-11-13T08:11:24.0659218 2018-09-05T16:17:15.5705709 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Abdullah Almojjly 1 Daniel Johnson 0000-0001-6921-0389 2 Darren Oatley-Radcliffe 0000-0003-4116-723X 3 Nidal Hilal 4 0043699-24092018094045.pdf almojjly2018.pdf 2018-09-24T09:40:45.6300000 Output 875939 application/pdf Accepted Manuscript true 2019-09-13T00:00:00.0000000 true eng
title Removal of oil from oil-water emulsion by hybrid coagulation/sand filter as pre-treatment
spellingShingle Removal of oil from oil-water emulsion by hybrid coagulation/sand filter as pre-treatment
Daniel Johnson
Darren Oatley-Radcliffe
Nidal Hilal
title_short Removal of oil from oil-water emulsion by hybrid coagulation/sand filter as pre-treatment
title_full Removal of oil from oil-water emulsion by hybrid coagulation/sand filter as pre-treatment
title_fullStr Removal of oil from oil-water emulsion by hybrid coagulation/sand filter as pre-treatment
title_full_unstemmed Removal of oil from oil-water emulsion by hybrid coagulation/sand filter as pre-treatment
title_sort Removal of oil from oil-water emulsion by hybrid coagulation/sand filter as pre-treatment
author_id_str_mv 4bdcc306062428d2715b0dd308cc092f
6dfb5ec2932455c778a5aa168c18cffd
3acba771241d878c8e35ff464aec0342
author_id_fullname_str_mv 4bdcc306062428d2715b0dd308cc092f_***_Daniel Johnson
6dfb5ec2932455c778a5aa168c18cffd_***_Darren Oatley-Radcliffe
3acba771241d878c8e35ff464aec0342_***_Nidal Hilal
author Daniel Johnson
Darren Oatley-Radcliffe
Nidal Hilal
author2 Abdullah Almojjly
Daniel Johnson
Darren Oatley-Radcliffe
Nidal Hilal
format Journal article
container_title Journal of Water Process Engineering
container_volume 26
container_start_page 17
publishDate 2018
institution Swansea University
issn 2214-7144
doi_str_mv 10.1016/j.jwpe.2018.09.004
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 1
active_str 0
description The removal of oil from water is of increasing importance in many industries, such as oil and gas, petrochemical and food industries, because of the large volumes of oily wastewater they produce. The aim of this work is to evaluate and compare the performance of ferrous and aluminium sulfate coagulations and to compare between sand filter, coagulation and a hybrid coagulation/sand filter process when used as pre-treatment options. When the concentration of oil was low in the oil-water emulsion, the treatment by sand filter alone was adequate (oil ≤ 50 mg/L). On the other hand, when the oil concentration was greater than 50 mg/L, advanced treatments such as coagulation are required as post-processes to reach good water quality. Aluminium sulfate was observed to be more efficient (about 5% to 7% higher than the use of ferrous sulfate) and less costly than ferrous sulfate to remove oil from oil-water emulsion using coagulation. The optimal technology for pre-treatment to remove oil from oil-water emulsion was found to be a coagulant dosage of aluminium sulfate combined with sand filter at pH 8 during various concentrations as hybrid. Optimal conditions were found to occur at mixing duration and speed of 120s and 250 rpm respectively.
published_date 2018-12-01T03:55:00Z
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score 11.013148

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