Pollution Research Paper


Vol. 35, Issue 4, 2016

Page Number: 837-842

ISOLATION AND CHARACTERIZATION OF CADMIUM REMEDATING BACTERIA FROM INDUSTRIAL EFFLUENT

MEENAKSHI, B.S. KUNDU AND LEELA WATI

Abstract

Nineteen samples of soil/sludge and effluent were collected from ten different locations of Faridabad (Haryana) and chemically analyzed. A total of seven cadmium resistant bacterial isolates differing in their morphology were picked up from soils and sludge with high cadmium concentration. Cadmium resistant pattern of isolates was determined by growing on media plates containing 0-110 ppm cadmium and effluent sample with 4.83 ppm cadmium. The Maximum Tolerance Concentration (MTC) of isolates SdCd-1 and SdCd- 7 in media plates supplemented with cadmium was 80 ppm and 70 ppm respectively. Isolates SdCd-1 and SdCd-7 were more efficient in removing cadmium from effluent samples by 36.7 and 47.6% respectively. The isolates SdCd-1 and SdCd-7 were identified as Bacillus sp. and Pseudomonas sp