Biological process for the treatment of gas, biofilters, and application to the deodorisation of gas

• Main Authors: DEGORCE-DUMAS JEAN REGIS, FANLO JEAN-LOUIS, KOWAL SOPHIE, LE CLOIREC PIERRE
• Format: Patent
• Language: English; French
• Published: 23.10.1992
• Subjects: CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; HUMAN NECESSITIES; HYGIENE; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES; MEDICAL OR VETERINARY SCIENCE; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

Biological process for the treatment of gas, in which the gas is treated with the aid of a biofilter comprising wet sludges of a sewage purification plant, and biofilters consisting of wet sludges of sewage purification plants. The biofilters according to the invention do not require any adaptation period and permit the treatment of organic or inorganic odours. Procédé biologique de traitement de gaz dans lequel l'on traite le gaz à l'aide d'un biofiltre comprenant des boues humides de station d'épuration, et biofiltres constitués de boues humides de stations d'épuration. Les biofiltres selon l'invention ne nécessitent pas de période d'adaptation et permettent de traiter des odeurs organiques ou inorganiques.