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Sewage sludge conditioning using cationic, anionic and non-ionic polymers

The present study was carried out to evaluate the effectiveness of the synthetic polymers; cationic (Praestol 852 BC), anionic (Praestol 2530) and non-ionic polymer (Praestol 2500) in enhancing dewaterability of sewage sludge. Sewage sludge samples were collected from holding tank. The optimum oper...

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Main Authors: Wai, Kien Tat, Saed, Katayon, Megat Mohd Noor, Megat Johari, Idris, Azni, Muyibi, Suleyman Aremu
Format: Conference or Workshop Item
Language:English
Published: Federation of Engineering Institutions of Islamic Countries 2006
Online Access:http://psasir.upm.edu.my/id/eprint/39475/1/39475.pdf
http://psasir.upm.edu.my/id/eprint/39475/
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spelling my.upm.eprints.394752019-04-11T04:02:29Z http://psasir.upm.edu.my/id/eprint/39475/ Sewage sludge conditioning using cationic, anionic and non-ionic polymers Wai, Kien Tat Saed, Katayon Megat Mohd Noor, Megat Johari Idris, Azni Muyibi, Suleyman Aremu The present study was carried out to evaluate the effectiveness of the synthetic polymers; cationic (Praestol 852 BC), anionic (Praestol 2530) and non-ionic polymer (Praestol 2500) in enhancing dewaterability of sewage sludge. Sewage sludge samples were collected from holding tank. The optimum operational conditions for the sewage sludge conditioning for each polymer were carried out in terms of mixing speed, mixing duration and dosages of polymer. Changes in Capillary Suction Time (CST), Specific Resistance to Filtration (SRF) and zeta potential (Zeta Potential) were monitored to assess the effectiveness of each polymer. For cationic polymer, the optimum conditions were obtained when mixing duration were in the range of 3 to 4 minutes, polymer dosages were between 5 and 7 mg/L and mixing speed in the range of 160 to 200 rpm. The optimum conditions for anionic polymer for mixing speed, mixing duration and dosages of polymer were in the range of 100 to 200 rpm, 3 to 5 minutes and 2 to 3.5 mg/L, respectively. Lower CST and SRF values for the sludge conditioned using cationic polymer as compared to anionic polymer revealed that cationic polymer was more effective in terms of dewaterability enhancement. Non-ionic polymer definitely was not a suitable conditioner for the sewage sludge conditioning. Increment in zeta potential value was observed as the dosage of cationic polymer increased. However, in the case of anionic polymer, an inverse relationship between zeta potential values and polymer dosage was recorded. Prediction of CST, SRF and ZP values using cationic and anionic polymers under the optimum conditions could be done using established equations as designed by Minitab and were comparable with values obtained from experiment. Federation of Engineering Institutions of Islamic Countries 2006 Conference or Workshop Item NonPeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/39475/1/39475.pdf Wai, Kien Tat and Saed, Katayon and Megat Mohd Noor, Megat Johari and Idris, Azni and Muyibi, Suleyman Aremu (2006) Sewage sludge conditioning using cationic, anionic and non-ionic polymers. In: Seminar on Engineering and Technology (SET2006), 4-5 Sept. 2006, Putrajaya, Malaysia. (pp. 135-148).
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description The present study was carried out to evaluate the effectiveness of the synthetic polymers; cationic (Praestol 852 BC), anionic (Praestol 2530) and non-ionic polymer (Praestol 2500) in enhancing dewaterability of sewage sludge. Sewage sludge samples were collected from holding tank. The optimum operational conditions for the sewage sludge conditioning for each polymer were carried out in terms of mixing speed, mixing duration and dosages of polymer. Changes in Capillary Suction Time (CST), Specific Resistance to Filtration (SRF) and zeta potential (Zeta Potential) were monitored to assess the effectiveness of each polymer. For cationic polymer, the optimum conditions were obtained when mixing duration were in the range of 3 to 4 minutes, polymer dosages were between 5 and 7 mg/L and mixing speed in the range of 160 to 200 rpm. The optimum conditions for anionic polymer for mixing speed, mixing duration and dosages of polymer were in the range of 100 to 200 rpm, 3 to 5 minutes and 2 to 3.5 mg/L, respectively. Lower CST and SRF values for the sludge conditioned using cationic polymer as compared to anionic polymer revealed that cationic polymer was more effective in terms of dewaterability enhancement. Non-ionic polymer definitely was not a suitable conditioner for the sewage sludge conditioning. Increment in zeta potential value was observed as the dosage of cationic polymer increased. However, in the case of anionic polymer, an inverse relationship between zeta potential values and polymer dosage was recorded. Prediction of CST, SRF and ZP values using cationic and anionic polymers under the optimum conditions could be done using established equations as designed by Minitab and were comparable with values obtained from experiment.
format Conference or Workshop Item
author Wai, Kien Tat
Saed, Katayon
Megat Mohd Noor, Megat Johari
Idris, Azni
Muyibi, Suleyman Aremu
spellingShingle Wai, Kien Tat
Saed, Katayon
Megat Mohd Noor, Megat Johari
Idris, Azni
Muyibi, Suleyman Aremu
Sewage sludge conditioning using cationic, anionic and non-ionic polymers
author_facet Wai, Kien Tat
Saed, Katayon
Megat Mohd Noor, Megat Johari
Idris, Azni
Muyibi, Suleyman Aremu
author_sort Wai, Kien Tat
title Sewage sludge conditioning using cationic, anionic and non-ionic polymers
title_short Sewage sludge conditioning using cationic, anionic and non-ionic polymers
title_full Sewage sludge conditioning using cationic, anionic and non-ionic polymers
title_fullStr Sewage sludge conditioning using cationic, anionic and non-ionic polymers
title_full_unstemmed Sewage sludge conditioning using cationic, anionic and non-ionic polymers
title_sort sewage sludge conditioning using cationic, anionic and non-ionic polymers
publisher Federation of Engineering Institutions of Islamic Countries
publishDate 2006
url http://psasir.upm.edu.my/id/eprint/39475/1/39475.pdf
http://psasir.upm.edu.my/id/eprint/39475/
_version_ 1643832432163553280
score 13.211869

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