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231224s2016 xx |||||o 00| ||eng c |
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|a 10.2175/106143016X14504669768453
|2 doi
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|e rakwb
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|a eng
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|a More, T T
|e verfasserin
|4 aut
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|a Biopolymer Production Kinetics of Mixed Culture Using Wastewater Sludge as a Raw Material and the Effect of Different Cations on Biopolymer Applications in Water and Wastewater Treatment
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 26.07.2016
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|a Date Revised 07.12.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a Thirteen extracellular polymeric substances (EPS) producing bacterial strains were cultivated (as mixed culture) in the sterilized sludge (suspended solids of 25 g/L) and the batch fermentation was carried out. Mixed culture revealed a high specific growth rate of 0.35/hr. The EPS production rate was higher up to 24 hours, which gradually decreased with further incubation. The kinetic estimates demonstrated growth-associated EPS production. Broth EPS revealed higher flocculation activity when combined with different cations (Ca(2+), Mg(2+), Fe(3+), and Al(3+)) in river water (≥90%), municipal wastewater (≥90%), and brewery wastewater (≥80%), respectively. A low dose (5 to 40 mg/L) of trivalent cations was required to achieve higher flocculation compared to the divalent cations (50 to 250 mg/L). Flocculation performance of EPS was comparable to Magnafloc-155 (chemical polymer) and, hence, it could be used as a flocculant
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Biopolymers
|2 NLM
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|a Cations
|2 NLM
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|a Sewage
|2 NLM
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|a Waste Water
|2 NLM
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|a Yan, S
|e verfasserin
|4 aut
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|a Tyagi, R D
|e verfasserin
|4 aut
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|a Surampalli, R Y
|e verfasserin
|4 aut
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|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 88(2016), 5 vom: 01. Mai, Seite 425-37
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnns
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| 773 |
1 |
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|g volume:88
|g year:2016
|g number:5
|g day:01
|g month:05
|g pages:425-37
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|u http://dx.doi.org/10.2175/106143016X14504669768453
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