公开(公告)号：US5096683A

公开(公告)日：1992-03-17

申请号：US558989

申请日：1990-07-27

Applicant: Manfred Kriebel ,  Herbert Fischer ,  Ulrich Sander

Inventor： Manfred Kriebel ,  Herbert Fischer ,  Ulrich Sander

IPC: C01B3/02 ,  C01B3/50 ,  C01B17/04

CPC classification number: C01B17/0413 ,  C01B3/02 ,  C01B3/501 ,  C01B2203/041 ,  C01B2203/0485

Abstract: An H.sub.2 S-containing gas is combusted with oxygen in at least one burner, which discharges into a combustion chamber. The resulting mixed gases contain H.sub.2 S, SO.sub.2, free hydrogen and elementary sulfur and are at temperatures of about 900.degree. to 2000.degree. C. At temperatures of about 900.degree. to 2000.degree. C. at least part of the free hydrogen is removed from said mixed gases. The free hydrogen may be removed from the mixed gases, e.g., through membranes.

Abstract translation: 含H2S的气体在至少一个燃烧器中与氧燃烧，排放到燃烧室中。 所得混合气体含有H 2 S，SO 2，游离氢和元素硫，温度为约900℃至2000℃。在约900℃至2000℃的温度下，至少部分游离氢从所述混合气体中除去 气体。 可以从混合气体中除去游离氢，例如通过膜。

公开(公告)号：US5092929A

公开(公告)日：1992-03-03

申请号：US394607

申请日：1989-08-16

Applicant: Harald Sauer ,  Bernd Thone

Inventor： Harald Sauer ,  Bernd Thone

IPC: F23J15/00 ,  B01D53/62 ,  B09B3/00

CPC classification number: B01D53/62 ,  Y02C10/04 ,  Y02E20/326 ,  Y10S106/01

Abstract: For a treatment of the residues which become available as dry dust in the purification of exhaust gas and contain, inter alia, 5 to 12% by weight CaO and have a conductance in excess of 6000 .mu.S/cm, a process is proposed in which the residues are fluidized with purified exhaust gas in a circulating fluidized bed system consisting of a fluidized bed reactor, separator and recycling line and the CaO contained in the residues is reacted with the CO.sub.2 contained in the exhaust gases to form CaCO.sub.3.

Abstract translation: 对于在废气净化中作为干粉尘获得的残留物的处理，尤其包含5至12重量％的CaO，并且具有超过6000μS/ cm的电导率，提出了一种方法，其中 在由流化床反应器，分离器和再循环管线组成的循环流化床系统中，残余物被净化废气流化，残余物中所含的CaO与废气中所含的CO 2反应形成CaCO 3。

公开(公告)号：US5013418A

公开(公告)日：1991-05-07

申请号：US346060

申请日：1989-05-02

Applicant: Heinz Wullenweber ,  Jurgen Borchardt

Inventor： Heinz Wullenweber ,  Jurgen Borchardt

IPC: C25B11/02 ,  C25B9/00 ,  C25B9/04 ,  C25B9/08 ,  C25B9/18 ,  C25B9/20 ,  C25B13/00 ,  C25B13/02

CPC classification number: C25B13/00 ,  C25B9/206

Abstract: In an electrolyzer comprising individual cells which are geometrically arranged one behind the other and consist each of two metallic partitions disposed between the cell and the adjacent cells, a diaphragm disposed between the partitions, and apertured electrodes which are mounted on both sides of and spaced from the diaphragm, a protection against short circuits and corrosion is afforded in that spacers consisting of a non-metallic high-melting hard material and firmly joined to the electrodes have been inserted into the space that is defined by the electrode and the diaphragm.

Abstract translation: 在包括几何地布置在一起的单个电池的电解器中，并且包括设置在电池和相邻电池之间的两个金属隔板中的每一个，设置在隔板之间的隔膜和安装在隔板两侧的开孔电极 提供隔膜，防止短路和腐蚀，由非金属高熔点硬质材料构成的并牢固地接合到电极上的隔片已经插入到由电极和隔膜限定的空间中。

公开(公告)号：US4988753A

公开(公告)日：1991-01-29

申请号：US207258

申请日：1988-06-15

Applicant: Helmut Rullmann ,  Adolf Zellner ,  Manfred Gebhard

Inventor： Helmut Rullmann ,  Adolf Zellner ,  Manfred Gebhard

IPC: C08J5/12 ,  C09J4/00 ,  C09J4/02 ,  C09J123/34 ,  C09J151/00 ,  C09J157/00

CPC classification number: C08J5/127 ,  C09J123/34 ,  C08J2321/00

Abstract: A bonding composition comprising an aqueous dispersion is described, which is used to bond natural and synthetic elastomers to metallic and nonmetallic substrates under vulcanizing conditions. Such dispersions contain an organic polymeric film-forming substance, an aromatic polynitroso compound, and a coactivator and optionally contain conventional adhesion promoters, fillers and processing aids. In order to widen the field of application and to ensure a high stability of the bond against corrosive influences, the coactivator particularly consists of phenylene bis-maleic acid imide, but one more of the following may be used: triallyl- cyanurate, triallylisocyanurate, diallylacrylamide, tetraallylterephthalamide, tris(1-methyl-2-propenyl) isocyanurate, trivinylisocyanurate, triallyltrimellitate, diallylphthalate, ethylene-glycoldimethacrylate, trimethylolpropanetrimethacrylate, and 1,3-butyleneglycoldimethacrylate.

Abstract translation: 描述了包含水分散体的粘合组合物，其用于在天然和合成弹性体在硫化条件下将金属和非金属基材粘合。 这样的分散体含有有机高分子成膜物质，芳族多核苷酸化合物和共活化剂，并且任选地含有常规的粘合促进剂，填料和加工助剂。 为了拓宽应用领域并确保粘合剂对腐蚀性影响的高稳定性，共激活剂特别由亚苯基双马来酸酰亚胺组成，但可以使用以下一种：三烯丙基氰脲酸酯，三烯丙基异氰尿酸酯，二烯丙基丙烯酰胺 四烯丙基对苯二甲酰胺，三（1-甲基-2-丙烯基）异氰脲酸酯，三乙烯基异氰脲酸酯，三烯丙基偏苯三酸酯，邻苯二甲酸二烯丙酯，乙烯 - 甘氨酸二甲基丙烯酸酯，三羟甲基丙烷三甲基丙烯酸酯和1,3-丁二醇二十二烷基二甲基丙烯酸酯。

公开(公告)号：US4950339A

公开(公告)日：1990-08-21

申请号：US305214

申请日：1989-02-01

Applicant: Horst Gehmecker ,  Werner Rausch ,  Peter Jorns

Inventor： Horst Gehmecker ,  Werner Rausch ,  Peter Jorns

IPC: C23C22/36 ,  C23C22/78

CPC classification number: C23C22/362 ,  C23C22/78

Abstract: A process to form phosphate coatings on individual parts of metal which at least on part of their surface consists of iron or steel. The individual parts are contacted at a temperature in the range of from 60 to 100 degrees centigrade for 3 to 30 seconds with an aqueous phosphating solution which contains 10 to 80 g/l zinc, 12 to 80 g/l phosphate (calculated as P.sub.2 O.sub.5), 40 to 150 g/l nitrate and, in addition 0.1 to 10 g/l fluoride, 0.01 to 10 g/l nickel, 0.0001 to 0.1 g/l copper, and may also contain tartaric acid, citric acid and/or manganese and in which the ratio of free acid to total acid has been adjusted to (0.1 to 0.3):1 and which contains at least 80 points of total acid and is virtually free of iron(II) ions. Prior to phosphating treatment, the individual parts may be cleaned and may optionally be treated to remove rust, scale and phosphate layers and/or be activated. After the phosphating treatment they may be passivated with an after-rinse solution. Each of said process steps is carried out for 3 to 30 seconds.

Abstract translation: 在金属的单个部分上形成磷酸盐涂层的方法，其至少部分表面由铁或钢组成。 使用含有10至80g / l锌，12至80g / l磷酸盐（以P2O5计算）的磷酸盐水溶液将各个部件在60至100摄氏度的温度范围内接触3至30秒， ，40〜150g / l的硝酸盐，以及0.1〜10g / l的氟化物，0.01〜10g / l的镍，0.0001〜0.1g / l的铜，也可以含有酒石酸，柠檬酸和/或锰， 其中游离酸与总酸的比例已经被调节到（0.1〜0.3）：1，并且其含有至少80个总酸，实际上没有铁（II）离子。 在磷化处理之前，可以清洁各个部件，并且可以任选地处理以除去锈，鳞屑和磷酸盐层和/或被活化。 在磷化处理后，可以用冲洗液进行钝化。 每个所述处理步骤进行3至30秒。

公开(公告)号：US4950139A

公开(公告)日：1990-08-21

申请号：US297830

申请日：1989-01-17

Applicant: Wolfgang Fennemann ,  Werner Weisweiler ,  Burkhard Retzlaff ,  Bernd Hochstein

Inventor： Wolfgang Fennemann ,  Werner Weisweiler ,  Burkhard Retzlaff ,  Bernd Hochstein

IPC: B01D53/86 ,  B01J27/053

CPC classification number: B01D53/8625 ,  B01D53/8628 ,  B01J27/053

Abstract: A process is disclosed wherein NO contained in a gas is reduced by means of NH.sub.3 as a reducing agent. A mixture of the NO-containing gas and NH.sub.3 is reacted at 290.degree. to 450.degree. C. in the presence of a catalyst, which comprises a support of SiO.sub.2 and contains 5 to 15% by weight manganese sulfate and iron sulfate. The mole ratio of manganese sulfate and iron sulfate, which is calculated as FeSO.sub.4, is between 1:10 and 10:1. The support has a pore volume of 0.6 to 1.6 ml/g and an average pore diameter of 10 to 100 nm.

Abstract translation: 公开了通过作为还原剂的NH 3还原气体中包含NO的方法。 含有NO的气体和NH 3的混合物在290℃至450℃下在催化剂存在下反应，催化剂包含SiO 2载体并含有5至15重量％的硫酸锰和硫酸铁。 以FeSO4计算的硫酸锰和硫酸铁的摩尔比为1:10至10:1。 载体的孔体积为0.6〜1.6ml / g，平均孔径为10〜100nm。

公开(公告)号：US4937054A

公开(公告)日：1990-06-26

申请号：US316052

申请日：1989-02-24

Applicant: Wolfgang Fennemann ,  Erich Minzl ,  Horst Seidel

Inventor： Wolfgang Fennemann ,  Erich Minzl ,  Horst Seidel

IPC: C23G1/36

CPC classification number: C23G1/36

Abstract: A process is disclosed for the regeneration of pickling solutions which contain ZrF.sub.4 by addition of a Na compound in which a charge of the pickling solution to be regenerated is analyzed and heated. The amount of Na required for the regeneration is determined in each case and is admixed with intense stirring. Then the mixture is cooled, the precipitated NaZrF compounds are separated and a regenerated pickling solution is recovered.

Abstract translation: 公开了通过添加其中分析和加热要再生的酸洗液的电荷的Na化合物来再生包含ZrF 4的酸洗溶液的方法。 在每种情况下测定再生所需的Na的量，并与剧烈搅拌混合。 然后将混合物冷却，分离沉淀的NaZrF化合物并回收再生酸洗液。

公开(公告)号：US4931265A

公开(公告)日：1990-06-05

申请号：US151780

申请日：1988-02-03

Applicant: Wilhelm Leussler

Inventor： Wilhelm Leussler

IPC: B03C3/013 ,  C01B17/76

CPC classification number: C01B17/76 ,  B03C3/013 ,  Y02P20/129

Abstract: Disclosed is an improved process for the production of a sulfur trioxide conditioning gas, which consists in compensating the faulty "ambient gas temperature" in a simple and effective manner, such that all of the subsequent functions can take place at the established optimum temperature and can no longer be adversely affected by fluctuations in the ambient air temperature.

Abstract translation: 公开了用于生产三氧化硫调节气体的改进方法，其包括以简单和有效的方式补偿有缺陷的“环境气体温度”，使得所有后续功能可以在确定的最佳温度下进行，并且可以 不再受到环境空气温度波动的不利影响。

公开(公告)号：US4900409A

公开(公告)日：1990-02-13

申请号：US207268

申请日：1988-06-15

Applicant: Ate Vunderink

Inventor： Ate Vunderink

IPC: B23P17/00 ,  B24B31/00 ,  B24B31/14

CPC classification number: B24B31/00

Abstract: Process for grinding and/or polishing metal articles in rotofinish equipment, in which (a) an adjusted quantity of said articles, which have a metal surface roughness that is higher than required for the finish, usually larger than 5 .mu.m in AA (i.e. arithmic average); are introduced to a rotofinish apparatus and rotated for some time with (b) an adequate quantity of chips suitable for grinding and/or polishing the metal articles to be treated and (c) a compound that promotes grinding and/or polishing comprising one or more organic acids, wherein the compound is an organic acid or mixture of organic acids or solutions of organic acids in a concentration suitable for grinding and/or polishing the metal articles, and in that the grinding environment also comprises a finely divided metal or alloy with an oxidation potential greater than zero.

公开(公告)号：US4849031A

公开(公告)日：1989-07-18

申请号：US92951

申请日：1987-09-04

Applicant: Dieter Hauffe ,  Gisela Beege ,  Peter Mischke ,  Werner Rausch

Inventor： Dieter Hauffe ,  Gisela Beege ,  Peter Mischke ,  Werner Rausch

IPC: C23C22/36 ,  C23C22/77 ,  C23C22/12

CPC classification number: C23C22/362 ,  C23C22/77

Abstract: Disclosed is a process of producing phosphate coatings on surfaces which consist of aluminum or its alloys and of at least one of the materials steel and galcanized steel by spraying or by spraying and dipping. Uniform phosphate layers having a high cover factor are obtained by the use of a phosphating solution which contains about 0.4 to about 0.8 g/l Zn, about 10 to about 20 g/l P.sub.2 O.sub.5, at least one accelerator and about 80 to about 220 mg/l fluoride ("F(el)"), as determined by a fluoride-sensitive electrode immersed into the bath solution and in which the content of free acid (FA) (in points) has been adjusted to and is maintained at a value corresponding to FA=(0.5 to 1.0)+K wherein K is calculated as K=(0.002 to 0.012).times.F(el). The free acid (FA) content is preferably adjusted to and maintained at FA=(0.04 to 0.06).times.C.sub.P.sbsb.2.sub.O.sbsb.5 +K and the content of free acid (FA) is determined using K=(0.003 to 0.009).times.F(el). The process is particularly suitable for preparing the surfaces for being painted, preferably by electrophoretic dip painting.

Abstract translation: 公开了一种通过喷涂或喷涂和浸渍在由铝或其合金和至少一种材料钢和镓化钢组成的表面上生产磷酸盐涂层的方法。 通过使用含有约0.4至约0.8g / l的Zn，约10至约20g / l的P 2 O 5，至少一种促进剂和约80至约220mg的磷酸盐溶液获得具有高覆盖系数的均匀磷酸盐层 /氟化物（“F（el）”），其通过浸入浴溶液中的氟化物敏感电极测定，其中游离酸（FA）的含量（以点计）已被调节并保持在值 对应于FA =（0.5〜1.0）+ K，其中K被计算为K =（0.002至0.012）×F（el）。 优选将游离酸（FA）含量调节至FA =（0.04〜0.06）×CP2O5 + K，并且使用K =（0.003〜0.009）×F（el）求出游离酸（FA）的含量。 该方法特别适于制备用于涂漆的表面，优选通过电泳浸涂。