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Bioresour Technol

Title:		Treatment of gaseous volatile organic compounds using a rotating biological filter
Author(s):		Padhi SK; Gokhale S;
Address:		"Department of Civil Engineering, Indian Institute of Technology Guwahati, Guwahati 781039, India. Department of Civil Engineering, Indian Institute of Technology Guwahati, Guwahati 781039, India. Electronic address: sharadbg@iitg.ernet.in"
Journal Title:		Bioresour Technol
Year:		2017
Volume:		20170722
Issue:		Pt 1
Page Number:		270 - 280
DOI:		10.1016/j.biortech.2017.07.112
ISSN/ISBN:		1873-2976 (Electronic) 0960-8524 (Linking)
Abstract:		"Rotating biological filter (RBF), which provides higher oxygen mass transfer has been developed for treating gaseous volatile organic compounds (VOCs) such as BTEX (Benzene, toluene, ethylbenzene and xylene) at higher concentrations. The screening of enriched cultures has been done initially to enhance the performance of RBF for treating xylene, toluene and xylene, and BTEX at various loading rates. The removal efficiency of BTEX was maximum (82%), higher than toluene and xylene (79%), and xylene (72%). The presence of xylene enhanced the removal of toluene in the mixture. In the BTEX, toluene was found to be highly biodegradable followed by ethylbenzene, benzene and xylene. The RBF also removed nutrients from wastewater along with VOCs. The stability study of RBF showed that supply of nutrient media influenced the RBF performance more. Further, the predominant strain identified in the mixed culture was Enterobacter cloacae SP4001, responsible for biodegradation of BTEX"
Keywords:		"Benzene Benzene Derivatives *Biodegradation, Environmental Gases Toluene *Volatile Organic Compounds Xylenes Btex Biodegradation Co(2) Mixed culture Rotating biological filter;"
Notes:		"MedlinePadhi, Susant Kumar Gokhale, Sharad eng England 2017/08/07 Bioresour Technol. 2017 Nov; 244(Pt 1):270-280. doi: 10.1016/j.biortech.2017.07.112. Epub 2017 Jul 22"