Bacillius firmus GY-49, screening method and applications thereof

• Main Authors: HU NAN, GAO HAOFENG, YANG LIZHI, WANG PENGYIN, GAO YUAN
• Format: Patent
• Language: English
• Published: 11.03.2015
• Subjects: BEER; BIOCHEMISTRY; CHEMISTRY; COMPOSITIONS OR TEST PAPERS THEREFOR; COMPOSITIONS THEREOF; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL ORENZYMOLOGICAL PROCESSES; CULTURE MEDIA; ENZYMOLOGY; MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEICACIDS OR MICROORGANISMS; METALLURGY; MICROBIOLOGY; MICROORGANISMS OR ENZYMES; MUTATION OR GENETIC ENGINEERING; PROCESSES OF PREPARING SUCH COMPOSITIONS; PROCESSES USING MICROORGANISMS; PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS; SPIRITS; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE; VINEGAR; WINE

The invention discloses bacillius firmus GY-49. The classification name is Bacillus firmus GY-49, the preservation number is CCTCC No.M2014347, and the bacterium strain has been preserved in the China Center for Type Culture Collection (CCTCC) on July 21st, 2014. The invention further discloses a screening method of bacillius firmus GY-49. The invention also discloses an application of bacillius firmus GY-49 in wastewater treatment under an anoxic condition. The invention also discloses an application of bacillius firmus GY-49 in an anaerobic treatment of wastewater with high nitrogen and COD concentrations. The invention further discloses an application bacterium inoculant. The provided bacterium strain can sustain high concentration nitrates and COD, has an efficient denitrifying performance and COD and Cr removing performance under a completely anoxic condition, and is capable of effectively removing nitrates (nitrogen) and reducing the COD content.