2024年7月18日 星期一 19:43:55

固原年底前关停44家马铃薯淀粉企业

     继去年对生产工艺落后及年生产能力在5000吨以下的131家马铃薯淀粉加工企业关停后,11月14日,固原再出重拳治理马铃薯废水污染问题,开始对44家万吨以下马铃薯淀粉加工企业进行关停,并在年底完成关停任务。
    固原市工业企业少,工业以农产品加工和建材业为主,废水主要来自马铃薯淀粉加工废水和生活污水。固原年产马铃薯200多万吨,除鲜薯外销和农民自用外,每年80万吨马铃薯用于淀粉加工生产。固原市环保局相关负责人介绍,因治理污染技术设备投入不足,每年马铃薯淀粉加工产生污水100万吨,依然以沉淀等低级处理为主,加工废水还不能达标排放。目前,固原万吨以上马铃薯淀粉生产企业有29家,仅6家安装废水处理设备。“污水处理设备投资是建厂投资的5倍,导致废水治理迟迟不能彻底解决。”固原市环保局副局长马进才介绍,今后将对剩余23家万吨以上马铃薯淀粉加工企业全部安装污水处理设备,对拒绝安装的企业将断电、停止贷款、吊销证件。
    固原市主要地表水有清水河、葫芦河、渝河、泾河和茹河5条河流,除泾河水有长流外,其余河流均为季节性河流,加上干旱少雨,境内以马铃薯淀粉加工企业集中,水体容纳污染能力有限,自净能力差,水环境污染治理一直以来是环保部门的重头戏。此次万吨以下马铃薯淀粉加工企业关停后,年可减少废水排放量51万吨,相当于马铃薯淀粉废水总量二分之一。
 
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