Immobilized reactor for rapid destruction of recalcitrant organics and inorganics in tannery wastewater.
The wastewater discharged from tanneries lack biodegradability due to the presence of recalcitrant compounds at significant concentration. The focal theme of the present investigation was to use chemo-autotrophic activated carbon oxidation (CAACO) reactor, an immobilized cell reactor using chemoautotrophs for the treatment of tannery wastewater. The treatment scheme comprised of anaerobic treatment, sand filtration, and CAACO reactor, which remove COD, BOD, TOC, VFA and sulphides respectively by 86%, 95%, 81%, 71% and 100%. Rice bran mesoporous activated carbon prepared indigenously and was used for immobilization of chemoautotrophs. The degradation of xenobiotic compounds by CAACO was confirmed through HPLC and FT-IR techniques.
Kumar
A Ganesh
AG
Department of Environmental Technology, Central Leather Research Institute, Adyar, Chennai 600020, India. microganesh@yahoo.com
Sekaran
G
G
Swamalatha
S
S
Rao
B Prasad
BP
D002384:Catalysis; D002851:Chromatography, High Pressure Liquid; D007220:Industrial Waste; D007287:Inorganic Chemicals / Q000737:chemistry*; D008855:Microscopy, Electron, Scanning; D009930:Organic Chemicals / Q000737:chemistry*; D012275:Oryza; D010084:Oxidation-Reduction; D017550:Spectroscopy, Fourier Transform Infrared; D013633:Tanning; D014874:Water Pollutants, Chemical
D007220:Industrial Waste; D007287:Inorganic Chemicals; D009930:Organic Chemicals; D014874:Water Pollutants, Chemical