METHOD OF TREATING WASTE WATER OF WOOD-WORKING INDUSTRY

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 ways of wastewater treatment, u043eu0431u0440u0430u0437u0443u044eu0449u0438u0445u0441u00a0 on u043fu0440u0435u0434u043fu0440u0438u00a0u0442u0438u00a0u0445 wood industry and a stable u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u044eu0449u0438u0445 collot u0438u0434u043du0443u044e system with high content of organic substances, including u043du0435u043eu043au0438u0441u043bu00a0u0435u043cu044bu0445 biochemically. purpose u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 u00a0u0432u043bu00a0u0435u0442u0441u00a0 increasing treatment, cost reduction and simplification of the process.u0434u043bu00a0 u043eu0441u0443u0449u0435u0441u0442u0432u043bu0435u043du0438u00a0 mode of wastewater cod u0440u0430u0437u0431u0430u0432u043bu00a0u044eu0442 to 900 - 1100 mg / l of pure or purified water, u043fu0440u043eu0432u043eu0434u00a0u0442 condensation u043cu043du043eu0433u043eu0430u0442u043eu043cu043du044bu0445 phenols and acids by u0441u043cu043eu043bu00a0u043du044bu0445 u043du0430u0441u044bu0449u0435u043du0438u00a0 water oxygen concentration of 5 to 8 mg / l at ph 5 to 10, and the temperature between 35, then process the u0430u043bu044eu043cu043eu0441u043eu0434u0435u0440u0436u0430u0449u0438u043c u043au043eu0430u0433u0443u043bu00a0u043du0442u043eu043c dose of 150 to 200 mg per 1 g of cod.method u043fu043eu0437u0432u043eu043bu00a0u0435u0442 compared with the known greater clearance from the weighted and u043au043eu043bu043bu043eu0438u0434u043du044bu0445 substances from 90 to 100% of the biochemically u043du0435u043eu043au0438u0441u043bu00a0u0435u043cu044bu0445 substances from 0 to 90% to 95%, p the cod with the 15 - 25 to 55 - 69% for bod5 from 91 to 98 to 99.5 - 100%, and u0443u0434u0435u0448u0435u0432u0438u0442u044c and simplify the purification process. 1 u0437.u043f.u0444 - lu, 2 table.