Technologies for reducing environmental pollution in pulp and paper industry are seeing a rapid development, in particular in thebleached Kraft pulping area. The important developments include improvement on extended ...Technologies for reducing environmental pollution in pulp and paper industry are seeing a rapid development, in particular in thebleached Kraft pulping area. The important developments include improvement on extended delignification, new sulfate cooking and oxygendelignification technology, closed screening, modern pulp washing equipment and technology, new bleaching methods, partial recovery ofbleaching effluent, improved process control and reducing effluent drain. The paper provides a review of the clean production technology in thebleached Kraft pulp production process.展开更多
文摘Technologies for reducing environmental pollution in pulp and paper industry are seeing a rapid development, in particular in thebleached Kraft pulping area. The important developments include improvement on extended delignification, new sulfate cooking and oxygendelignification technology, closed screening, modern pulp washing equipment and technology, new bleaching methods, partial recovery ofbleaching effluent, improved process control and reducing effluent drain. The paper provides a review of the clean production technology in thebleached Kraft pulp production process.