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Paper Information

Journal:   INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH (IJER)   SUMMER 2014 , Volume 8 , Number 3; Page(s) 719 To 726.
 
Paper: 

TREATMENT OF TOXIC ORGANICS IN INDUSTRIAL WASTEWATER USING ACTIVATED SLUDGE PROCESS

 
 
Author(s):  JILANI S.*, KHAN M.A.
 
* DEPARTMENT OF ENVIRONMENTAL STUDIES, SINDH MADRESSATUL ISLAM UNIVERSITY, KARACHI, PAKISTAN
 
Abstract: 

In Pakistan besides pesticide contamination from agricultural field, the manufacturing industries are also contributing relatively high quantities of toxic pesticides into the environment. These pesticides may be toxic, mutagenic or carginogenic and may be bioaccumulated or biomagnified by the biota. Because of persistent nature of pesticides, its removal from environmental system become difficult. The effective operation of wastewater treatment plant plays an important role in minimizing the release of toxic compounds into the environment. Research on the removal of toxic organics using the biological treatment plants is limited. In this study the bacterial isolate, IES-PS-1, was used to assess its potential for Cypermethrin degradation in activated sludge process. The experimental findings indicate that by maintaining the optimum operating conditions in the reactor, the removal efficiency significantly improved and>88% degradation observed at 80 mg/L dose. However, the complete removal of Cypermethrin, determined by High Performance Liquid Chromatography (HPLC), occurred at 20mg/L during 48 hour treatment. In addition, a considerable reduction in the sludge volume and chemical oxygen demand (COD) was also observed, producing an acceptable effluent quality with stable residual solids. These findings would be valuable in operating the wastewater treatment system for toxic waste removal.

 
Keyword(s): WASTEWATER, TOXIC ORGANICS, BACTERIAL ISOLATE, DEGRADATION, ACTIVATED SLUDGE
 
 
References: 
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+ Click to Cite.
APA: Copy

JILANI, S., & KHAN, M. (2014). TREATMENT OF TOXIC ORGANICS IN INDUSTRIAL WASTEWATER USING ACTIVATED SLUDGE PROCESS. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH (IJER), 8(3), 719-726. https://www.sid.ir/en/journal/ViewPaper.aspx?id=403548



Vancouver: Copy

JILANI S., KHAN M.A.. TREATMENT OF TOXIC ORGANICS IN INDUSTRIAL WASTEWATER USING ACTIVATED SLUDGE PROCESS. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH (IJER). 2014 [cited 2021May18];8(3):719-726. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=403548



IEEE: Copy

JILANI, S., KHAN, M., 2014. TREATMENT OF TOXIC ORGANICS IN INDUSTRIAL WASTEWATER USING ACTIVATED SLUDGE PROCESS. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH (IJER), [online] 8(3), pp.719-726. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=403548.



 
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