Search Results for: Cod fish
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cleans times faster, artificially intelligent path planning: n, z & n+z pattern, deg. movement for all -around cleaning, stage cleaning: wipe, mop, wipe, best for indoor & outdoor window cleaning, strong suction : pa can hold kg weight, can... learn more add to cart add to wishlist | add to compare cod
well, performs preventative cleaning to stop algae from taking hold on aquarium surfaces, works on standard glass aquariums of liters up to liters when constructed with glass of ( mm - mm or inches - . inches), battery can last upwards of ... learn more add to cart add to wishlist | add to compare cod...
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表 - 废水排放执行标准 单位:除ph值外均为mg/l 污染物 ph cod bod ss 氨氮 总磷 石油类 氟化物 甲苯 标准值 ~ ( )噪声标准 厂界噪声执行《工业企业厂界环境噪声排放标准》(gb - )中的 类标准,具体限值见表 - 。 表 - 厂界噪声执行标准 项目 类别 昼间(db) 夜间(db) 标准来源 厂界 类 gb - 总量控制指标 根据杭州市环境保护局环评批复意见,企业新上项目污染物总量按照 : 比例进行削减,不得新增化学需氧量。项目实施后,企业化学需氧量排放量≤ . 吨/年(外排环境量)。
根据计算,全厂废水总排放量为 t/a,其中本项目工艺废水量为 t/a,工艺废水经处理后cod排放浓度为 mg/l,可以达到临安市污水处理厂进管标准。全厂废水总排放量为 t/a,cod排放浓度按污水处理厂排放标准( mg/l)计算,则cod排放量为 . t/a,氟化物排放浓度 mg/l,排放量为 . t/a,对环境的影响不大。 ( ) 声环境 项目高噪设备经隔音、消音、减振等降噪措施后,经一定的距离衰减,不影响现有厂界噪声达标。...
http://www.shunda-chem.com/pages/bg.doc