PROCESS FOR BIOLOGICAL PURIFICATION OF WASTE WATERS CONTAINING METHANOL

摘要

The present invention relates to biological purification of waste waters. Methanol-containing waste waters are subjected to neutralization by means of orthophosphoric acid, enrichment with sources of nitrogen, whereafter the strain Methylomonas metanica B-2576 deposited at the Central Museum of Industrial Microorganisms of the All-Union Research Institute of Genetics and Selection of Industrial Micro-organisms is introduced thereinto. This strain is cultured on the above-mentioned medium till waste waters are purified from methanol. Preferred culturing conditions are pH 5.5 to 7.0 at 20 to 37 DEG C. The process for biological purification of waste waters from methanol is useful at enterprises for extraction and processing of a hydrogen-sulphide containing natural gas.