-
公开(公告)号：US5009870A
公开(公告)日：1991-04-23
申请号：US438450
申请日：1989-12-12
IPC分类号： B01D53/60
CPC分类号： B01D53/60
摘要： The invention relates to a method for removing sulphur and nitrogen compounds from gases by means of long-chained sulphur compounds mainly in acidic conditions, with an electroconductive solid material serving as the carrier of the long-chained sulphur compounds. The properties of the solid material surface are adjusted to be favourable to the sulphur polymer by means of potential measurements with mineral electrodes.
摘要翻译： PCT No.PCT / FI89 / 00077 Sec。 371日期1989年12月12日 102（e）日期1989年12月12日PCT 1989年4月26日PCT PCT。 公开号WO89 / 10181 日本公开日为1989年11月2日。本发明涉及一种主要在酸性条件下通过长链硫化合物从气体中除去硫和氮化合物的方法，导电固体物质作为长链硫化合物的载体 。 通过利用矿物电极的潜在测量，将固体材料表面的性质调节为有利于硫聚合物。
-
2.发明授权
公开(公告)号：US4313849A
公开(公告)日：1982-02-02
申请号：US97641
申请日：1979-11-27
CPC分类号： C01B31/10 , C01B31/081 , C10B49/02 , C10B53/00
摘要： Coke or activated carbon is produced from a moist organic substance, for example from a residue from the production of furfural. Initially the moist organic substance is introduced together with hot flue gases into a drying zone of a cylinder furnace and the organic substance is mixed with the hot gases and dried according to the co-current principle. Subsequent thereto the dried substance and the gases are directed into a coking zone of the same furnace, an oxygen-bearing gas also being introduced into said coking zone and the volatile constituents of the organic substance being reduction burned according to the co-current principle so as to produce a coked product. When coke is to be produced, said coked product is withdrawn together with gases from the trailing end of the furnace and the gases are separated therefrom. When producing activated carbon, the coked organic material and the hot moist gases are mixed with each other in an activation zone according to the co-current principle, and with no additional water vapor added, so as to obtain an activated product and, finally, said product is withdrawn from the furnace and the gases are separated therefrom. Part of the hot gases obtained may be recirculated to the drying zone.
摘要翻译： 焦炭或活性炭由湿的有机物质产生，例如来自生产糠醛的残余物。 最初将潮湿的有机物质与热烟道气一起引入气缸炉的干燥区域，有机物质与热气体混合并根据电流原理干燥。 随后将干燥物质和气体导入同一炉的焦化区，含氧气体也被引入所述焦化区，并且有机物质的挥发性组分根据共流原理被还原燃烧 以生产焦化产品。 当生产焦炭时，所述焦化产物与来自炉的后端的气体一起被排出，并且气体与其分离。 当生产活性炭时，焦化有机材料和热湿气体根据电流原理在活化区域彼此混合，并且不添加额外的水蒸气，以获得活化产物，最后， 所述产品从炉中取出并且气体与其分离。 获得的部分热气体可以再循环到干燥区域。
-
3.发明授权
公开(公告)号：US5411572A
公开(公告)日：1995-05-02
申请号：US178123
申请日：1994-01-06
CPC分类号： C22B19/04 , C21B3/04 , C22B19/28 , C22B7/001 , C22B7/02 , Y02P10/214 , Y02W30/542
摘要： The invention relates to a method for utilizing zinciferous waste from metal smelters, such as steel smelters, so that the transmission of fluorides to the highly zinciferous secondary dusts is prevented during the treatment of the gas obtained from the waste smelting furnace. Fluorides are extremely harmful for the zinc process, and therefore it is important to prevent them from entering the process. By adjusting, according to the invention, the temperature and composition of the exhaust gases created in the smelting treatment of zinciferous dusts and other waste, the fluorides and the highly zinciferous fraction are obtained in different end products. Other valuable metals are recovered from the metal layer created on the bottom of the furnace.
摘要翻译： 本发明涉及一种利用冶金冶炼厂等金属冶炼厂的锌废物的处理方法，从而能够防止从废冶炼炉得到的气体的处理中氟化物向高度含锌的二次粉尘的挥发。 氟化物对锌工艺极为有害，因此防止它们进入工艺是重要的。 通过根据本发明调整在锌粉和其他废物的熔炼处理中产生的废气的温度和组成，在不同的最终产物中获得氟化物和高度含锌部分。 从炉底产生的金属层回收其它有价值的金属。
-
4.发明授权Method for removing the sulphur content of a weak gas containing sulfur dioxide 失效去除含二氧化硫的弱气体硫含量的方法
公开(公告)号：US4861577A
公开(公告)日：1989-08-29
申请号：US105553
申请日：1987-10-06
CPC分类号： B01D53/507 , B01D53/523
摘要： The invention relates to a method for cleaning exhaust gases weak in sulphur dioxide, or sulphur dioxide and hydrogen sulphide. In order to remove the sulphur content of an exhaust gas, the exhaust gas is absorbed into a solution containing sulphide. Thereafter into the solution is added an agent which causes any unstable compounds of sulphur and oxygen, such as thiosulphate and polythionates, which are formed in the scrubbing solution, to decompose into elemental sulphur and sulphate in the autoclave whereinto the scrubbing solution is fed. The pH of the solution emerging from the autoclave is adjusted to stay within the range 2.0-2.9.
摘要翻译： 本发明涉及一种清洁二氧化硫或二氧化硫和硫化氢的废气的方法。 为了除去废气中的硫含量，废气被吸收到含有硫化物的溶液中。 然后向溶液中加入一种试剂，其导致在洗涤溶液中形成的任何不稳定的硫和氧的化合物，例如硫代硫酸盐和多硫代硫酸盐，分解为高压釜中的元素硫和硫酸盐，其中进料洗涤溶液。 将从高压釜中出来的溶液的pH调节至2.0-2.9。
-
-
-
搜索结果
4 条记录 (耗时 0.009 秒)