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Biodegradation of phenolic compounds using immobilized Pseudomonas aeruginosa on granular activated carbon: Effect of immobilization, kinetic study and microbial regeneration

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Title Biodegradation of phenolic compounds using immobilized Pseudomonas aeruginosa on granular activated carbon: Effect of immobilization, kinetic study and microbial regeneration
 
Creator Jain, Deepak M
Singh, Vasdev
 
Subject Activated carbon
Biodegradation
Bio-regeneration
Industrial effluents
Kinetic study
 
Description 402-411
Phenol and its derivatives are one of the major pollutants present in industrial effluents. In this work, Pseudomonas aeruginosa (ATCC 9027) has been effectively used to carry out biodegradation of phenol, 3-aminophenol, and catechol. In order to develop an industrially viable technology, P. aeruginosa has been immobilized on granular activated carbon (GAC). The biofilm thickness was found in the range 14 to 34 μm. The adsorbed P. aeruginosa on the GAC is found to be efficient for bio-degradation of the phenolic compounds and in addition they also helped in regeneration of the activated carbon systems which in turn reduce the operability cost. The extent of bio-regeneration varied between 33-66%. Haldane’s growth kinetic equation is found to be suitable to fit the specific growth rate data of P. aeruginosa.
 
Date 2021-10-13T06:41:19Z
2021-10-13T06:41:19Z
2021-07
 
Type Article
 
Identifier 0975-0991 (Online); 0971-457X (Print)
http://nopr.niscair.res.in/handle/123456789/58277
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJCT Vol.28(4) [July 2021]