截至目前,成都已关停落后产能企业576家,彻底关闭小水泥、小火电、小石灰窑、小煤矿,退出烟花爆竹生产。关闭小火电机组9个,小水泥厂44家,砖瓦窑厂196家,削减二氧化硫5.47万吨、烟粉尘6.6万吨;关闭小煤矿48家,淘汰落后生产能力144万吨;关停攀钢集团成都钢钒有限公司。
成都市在总量减排工作中,结合自身实际,对企业降氮脱硝提出了更高要求。2011年,都江堰拉法基水泥有限公司在全国率先建成水泥行业SNCR脱硝设施,成都市巨石集团玻璃在全省率先建成玻璃行业脱硝项目。成都在建成并投运2条水泥生产线和1台火电机组脱硝设施基础上,今年还将完成7条水泥生产线、7条玻璃生产线和1台火电机组脱硝设施建设。脱硝可有效降低氮氧化物排放,从而减轻包括PM2.5和臭氧在内的复合型污染。
成都“十二五”期间将压缩墙体材料产能40%,削减二氧化硫3500吨,削减氮氧化物1.07万吨,关闭或调迁全市现有的55家印染企业,削减化学需氧量3227吨、氨氮49吨。
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