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The ground water (GW), treated wastewater (TW) and the soil at the agricultural farm in the premises of the Mathura Oil Refinery have been monitored for various physico-chemical characteristics, over the last 12 years (1987-1998). It was noted that the heavy metal content in the soil, repeatedly irrigated with TW, was increasing because the wastewater itself was a better source of these metals than...
An alkalophilic Bacillus sp Sam-3, producing high levels of cellulase-free xylanase active and stable at alkaline pH was isolated from a soda lake. When grown in shake flasks for 48 h on agricultural residues such as wheat bran supplemented with yeast extract, the culture produced 131 IU ml -1 enzyme activity. The optimum pH and temperature of the enzyme were 8 and 60 o C, respectively...
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