环境工程技术学报
環境工程技術學報
배경공정기술학보
JOURNAL OF ENVIR0NMENTAL ENGINEERING TECHNOLOGY
2015年
3期
200-204
,共5页
朱金伟%张凡%王洪昌%王凡%束韫
硃金偉%張凡%王洪昌%王凡%束韞
주금위%장범%왕홍창%왕범%속운
烟气脱硫%烟气脱硝%脱硫脱硝一体化
煙氣脫硫%煙氣脫硝%脫硫脫硝一體化
연기탈류%연기탈초%탈류탈초일체화
desulfurization%denitration%desulfurization and denitration integrated technology
国家颁布的各燃煤行业新的大气污染物排放标准对脱硫脱硝装置提出了更高的要求。通过分析总结现有污染物控制技术的特点及发展应用前景,发现现有主流脱硫脱硝技术存在破坏区域生态环境、生成新的固体废物、与农业争夺氨资源等种种缺陷,并不完全适合我国的国情和污染控制需求。而烟气脱硫脱硝一体化且副产物可商品化技术,将烟气中SO2和NOx 制备成硫酸、硝酸或氮肥,不仅弥补我国硫资源的短缺,避免氨资源的浪费,同时对农业用氮肥行业可进行有益的补充,将是我国燃煤烟气脱硫脱硝技术的主要发展趋势。
國傢頒佈的各燃煤行業新的大氣汙染物排放標準對脫硫脫硝裝置提齣瞭更高的要求。通過分析總結現有汙染物控製技術的特點及髮展應用前景,髮現現有主流脫硫脫硝技術存在破壞區域生態環境、生成新的固體廢物、與農業爭奪氨資源等種種缺陷,併不完全適閤我國的國情和汙染控製需求。而煙氣脫硫脫硝一體化且副產物可商品化技術,將煙氣中SO2和NOx 製備成硫痠、硝痠或氮肥,不僅瀰補我國硫資源的短缺,避免氨資源的浪費,同時對農業用氮肥行業可進行有益的補充,將是我國燃煤煙氣脫硫脫硝技術的主要髮展趨勢。
국가반포적각연매행업신적대기오염물배방표준대탈류탈초장치제출료경고적요구。통과분석총결현유오염물공제기술적특점급발전응용전경,발현현유주류탈류탈초기술존재파배구역생태배경、생성신적고체폐물、여농업쟁탈안자원등충충결함,병불완전괄합아국적국정화오염공제수구。이연기탈류탈초일체화차부산물가상품화기술,장연기중SO2화NOx 제비성류산、초산혹담비,불부미보아국류자원적단결,피면안자원적낭비,동시대농업용담비행업가진행유익적보충,장시아국연매연기탈류탈초기술적주요발전추세。
New emission standards in various industries have been enacted to put forward higher requirements towards the desulfurization and denitration equipments.The characteristics and application prospects of the existing pollution control technologies were analyzed and summarized.It is found that the existing main desulfurization and denitration technologies have many defects, such as regional ecological environment damage, production of new solid wastes, and competition for ammonia resource with agriculture, which is not exactly fitted to the needs of China′s national conditions and pollution control requirements. Therefore, the integrated technology of desulfurization and denitration with commercialization of by-products should be the main development trend for coal-fired flue gas.The technology can manufacture sulfuric acid, nitrate and nitrogen fertilizer with SO2 and NOx in the flue gas, so as to make up for China′s shortage of sulfur resources and avoiding waste of ammonia resources, and to provide a useful supplement for the agricultural fertilizer industry.