Use of monomeric, dimeric and polymeric aluminum nitrate - compounds for the water -, waste water - and process for processing in the industrial sector, mainly in the paper - and cellulose - industry

摘要

A method for the treatment of usable -, process - or circulating water for the separation of the dissolved and undissolved constituents of the wood pulp and paper industry and the use of the clarified water for industrial processes in the pulp - and paper industry, characterized in that mixtures or combinations of monomers, dimeric and polymeric aluminum - nitrate compounds with water-soluble synthetic polymeric flocculants on the basis of polyamine, polyethyleneimine, polyvinylamine, polydiallytdimethylammoniumchlorid, polyacrylamide, polyacrylic acid, polymethacrylic acid, copolymers based on acrylamide and quaternized acrylic acids and / or methacrylic acid esters to be metered in, and the introduced nitrate - anion by biological processes is removed from the water.