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用炼钢厂污泥水中阳离子吸收烟气中SO

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摘要

用炼钢厂污泥水中阳离子吸收烟气中SO

法律状态公告日

法律状态信息

法律状态
2016-11-30

未缴年费专利权终止 IPC(主分类):B01D53/78 授权公告日:20110511 终止日期:20151015 申请日:20101015

专利权的终止
2011-05-11

授权

授权

1. AQUEOUS MIXED ACID SOLUTION FOR REMOVING SMUT IN WHICH NITRIC ACID AND NITROGEN COMPONENT ARE NOT CONTAINED TO PREVENT GENERATION OF NITROGEN OXIDE(NOx) IN AIR AND GENERATION OF TOTAL NITROGEN IN WASTEWATER AND METHOD FOR REMOVING THE SMUT [P] . 韩国专利： KR20050022100A . 2005-03-07

机译：去除硝酸和氮成分中的污泥的水混合酸溶液不能防止空气中氮氧化物的产生和废水中总氮的产生以及去除污泥的方法
2. Pressing thin sludge from filter back-washing water of drinking water treatment plant involves adding rock flour, strongly cationic flocculant and optionally lime sludge [P] . 德国专利： DE19913357A1 . 2000-09-28

机译：从饮用水处理厂的过滤器反冲洗水中压榨稀污泥包括添加岩粉，强阳离子絮凝剂和石灰污泥（可选）
3. Method and installation for the recovery of the iron, zinc and lead contained in the sludge dust and blast furnaces, converters and furnaces steelworks electriques [P] . 法国专利： FR2457904B3 . 1982-02-19

机译：回收污泥粉尘和高炉，转炉和炼钢厂电气中所含铁，锌和铅的方法和设备