BIO-ASSISTED TREATMENT OF SPENT CAUSTIC

• Main Authors: Singh, Mahendra Pratap, Singh, Dheer, Malhotra, Ravinder Kumar, Kumar, Manoj, Gupta, Anurad Ateet
• Format: Patent
• Language: English; French; German
• Published: 10.04.2019
• Subjects: BEER; BIOCHEMISTRY; CHEMISTRY; COMPOSITIONS THEREOF; CRACKING HYDROCARBON OILS; CULTURE MEDIA; ENZYMOLOGY; FUELS; LUBRICANTS; METALLURGY; MICROBIOLOGY; MICROORGANISMS OR ENZYMES; MINERAL WAXES; MUTATION OR GENETIC ENGINEERING; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; PROCESSES USING MICROORGANISMS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION; PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; SPIRITS; TECHNICAL GASES CONTAINING CARBON MONOXIDE; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE; VINEGAR; WINE

The present invention relates to a bio-assisted method for treatment of spent caustic by treating with haloalkaliphilic consortium of bacteria capable of reducing or transforming sulphides, thiols, mercaptants and other sulphur containing compounds, phenols, hydrocarbons, naphthenic acids and their derivatives in spent caustic.