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公开(公告)号：US4156649A
公开(公告)日：1979-05-29
申请号：US880267
申请日：1978-02-22
摘要： The present invention relates to the drainage or dewatering of ore concentrates and more particularly to an improved method for dewatering as by filtration, to produce solids which have a desirably low moisture content and which are readily and easily handled by conventional methods of materials handling. The method employs the use of linear or branched alkyl ethoxylated alcohols as dewatering aids.
摘要翻译： 本发明涉及矿石浓缩物的排水或脱水，更具体地，涉及一种通过过滤脱水的改进方法，以产生具有期望的低含水量的固体，并且通过常规的材料处理方法容易且容易地处理。 该方法采用直链或支链烷基乙氧基化醇作为脱水助剂。
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公开(公告)号：US4110208A
公开(公告)日：1978-08-29
申请号：US809640
申请日：1977-06-24
申请人： John A. Neal
发明人： John A. Neal
摘要： A process is described for clarification of an aqueous liquid by imparting magnetic characteristics to flocculated particles by addition of a ferromagnetic organic composition to the liquid to associate the ferromagnetic composition with the flocculated particles.
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公开(公告)号：US4096061A
公开(公告)日：1978-06-20
申请号：US757022
申请日：1977-01-05
申请人： Thomas P. Brennan
发明人： Thomas P. Brennan
CPC分类号： C02F1/56 , C08J11/00 , C09D7/008 , C02F2103/14 , C02F2209/06 , C02F2301/08 , C02F2303/16
摘要： A latex base paint waste water containing dispersed paint solids is clarified by flocculating the paint solids with a cationic flocculant. The separated paint sludge is brought to an alkaline pH and treated with an anionic dispersing agent whereby the sludge can be used in the formulation of a latex base paint.
摘要翻译： 通过用阳离子絮凝剂絮凝涂料固体，澄清含有分散涂料固体的胶乳基漆废水。 使分离的油漆污泥达到碱性pH并用阴离子分散剂处理，由此污泥可用于胶乳基漆的配方中。
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公开(公告)号：US4087282A
公开(公告)日：1978-05-02
申请号：US723858
申请日：1976-09-16
申请人： Akio Mitsui , Takushi Miyazako , Takashi Ogawa
发明人： Akio Mitsui , Takushi Miyazako , Takashi Ogawa
CPC分类号： G03C1/053
摘要： A method of flocculating a gelatin-silver halide photographic emulsion, which comprises flocculating the silver halide with gelatin at a pH of 6 or less in the presence of a polymer consisting essentially of recurring units represented by General Formula (Ia) or (Ib): ##STR1## in which R.sup.1 and R.sup.2, which can be the same or different, represent aliphatic groups, R.sup.3 represents a hydrogen atom, an aliphatic group, an aryl group or an aralkyl group, X represents --O-- or --NH--, M represents a cation and X and R.sup.3 may linked to each other to form a cyclic amino group.
摘要翻译： 絮凝明胶 - 卤化银照相乳剂的方法，其包括在基本上由通式（Ia）或（Ib）表示的重复单元组成的聚合物存在下，在6或更低的pH下将卤化银与明胶絮凝： 通式（Ia）其中可以相同或不同的R 1和R 2表示脂族基团的通式（Ib）
R 3表示氢原子，脂族基团，芳基或芳烷基 基团，X表示-O-或-NH-，M表示阳离子，X和R3可以彼此连接形成环状氨基。 -
公开(公告)号：US4085044A
公开(公告)日：1978-04-18
申请号：US801274
申请日：1977-05-27
CPC分类号： A23J1/10 , C02F1/20 , C02F1/06 , C02F1/56 , C02F1/66 , C02F2103/24 , Y10S210/905 , Y10S530/859
摘要： Improvements in the treatment of lime-sulfide unhairing wastes from both salt-cured and unsalted hides are provided. After undissolved lime is flocculated out of the waste of a salt-cured hide and the supernatant acidified to liberate hydrogen sulfide, the hydrogen sulfide is flashed off under reduced pressure at about from 100.degree. to 150.degree. F. The waste from unsalted hides is sparged with carbon dioxide prior to flocculation, the sparged waste is flocculated with a strongly cationic polyelectrolyte, and the hydrogen sulfide flashed off from the acidified supernatant liquid.
摘要翻译： 提供了从盐固化和未盐化的皮革处理石灰硫化物脱毛废物的改进。 在未溶解的石灰从盐固化的皮革的废物中絮凝出来，并将上清液酸化以释放出硫化氢，在约100°F至150°F的减压下将硫化氢闪蒸掉。将无卤皮革的废物喷出 在絮凝之前用二氧化碳，喷射的废物用强阳离子聚电解质絮凝，硫酸氢盐从酸化的上清液中闪蒸出来。
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76.发明授权Removal of heavy metal ions from aqueous solutions with insoluble crosslinked-starch-xanthates 失效从不溶性交联淀粉 - 黄原酸酯水溶液中去除重金属离子
公开(公告)号：US4083783A
公开(公告)日：1978-04-11
申请号：US803190
申请日：1977-06-03
申请人： Robert E. Wing , William M. Doane
发明人： Robert E. Wing , William M. Doane
摘要： An insoluble alkali metal-magnesium starch-xanthate composition is prepared which is capable of removing most heavy metal ions from aqueous solutions. Concentrations of heavy metal ions obtained in several industrial effluents were reduced to below the most stringent aqueous discharge limits.
摘要翻译： 制备能够从水溶液中除去大多数重金属离子的不溶性碱金属镁淀粉 - 黄原酸酯组合物。 在几种工业废水中获得的重金属离子的浓度降低到最严格的水排放极限以下。
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公开(公告)号：US4052301A
公开(公告)日：1977-10-04
申请号：US596162
申请日：1975-07-15
申请人： Rainer Klein , Jurgen Helberg
发明人： Rainer Klein , Jurgen Helberg
CPC分类号： C02F1/52 , C02F2101/20 , C02F2103/38
摘要： Extraction waste water produced upon the polymerization of olefins, which contains titanium and aluminum compounds and which is adjusted to a pH varying from 4.5 to 9.5. Hereby titanium and aluminum hydroxides occur in an easily precipitating state.
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公开(公告)号：US4049545A
公开(公告)日：1977-09-20
申请号：US703549
申请日：1976-07-08
申请人： Peter J. Horvath
发明人： Peter J. Horvath
CPC分类号： C02F3/1215 , C02F1/52 , C02F1/5236 , C02F1/66 , C02F1/72 , C02F9/00 , C02F1/78 , Y02W10/15 , Y02W10/37
摘要： A method of treating domestic, commercial or industrial waste water which includes the steps of mixing the waste water with a coagulant aid so as to bring the pH of the mixture to within a range of about 9.0-10.5, and thereafter adding precipitating agents in at least two successive steps so as to lower the pH of the mixture by about one unit for each step and thereby precipitate solids therefrom until the mixture is approximately neutral. After the addition of each precipitating agent, the precipitated solids are separated from the waste water effluent before the next succeeding precipitating agent is added. Preferably two such successive precipitation steps are performed, after which the resultant waste water effluent is treated with an oxidizing and disinfecting agent, filtered, and then treated with a further oxidizing and disinfecting agent to minimize the B.O.D. level. In the course of the process, a portion of the solids separated from the waste water effluent in the respective steps is preferably recycled into the treatment system by mixing it with new incoming waste water to partially take the place of the original coagulant aid. The preferred coagulant aid utilized is portland cement, with aluminum sulfate and copper sulfate preferably being used in sequence as the precipitating agents and potassium permanganate and ozone being used in sequence as the oxidizing and disinfecting agents.
摘要翻译： 一种处理家用，商业或工业废水的方法，其包括将废水与助凝剂混合以使混合物的pH达到约9.0-10.5的范围，然后将沉淀剂加入到 至少两个连续的步骤，以便每个步骤将混合物的pH降低大约一个单位，从而从其中沉淀出固体，直到混合物近似为中性。 加入每种沉淀剂后，将沉淀的固体与废水流出物分离，然后再加入下一个沉淀剂。 优选进行两个这样的连续沉淀步骤，然后用氧化和消毒剂处理所得废水流出物，过滤，然后用另外的氧化和消毒剂处理以最小化B.O.D. 水平。 在该过程中，在相应步骤中从废水流出物分离出的固体的一部分优选通过将其与新进入的废水混合而再次进入处理系统，以部分代替原始的助凝剂。 优选的助凝剂是波特兰水泥，硫酸铝和硫酸铜优选依次用作沉淀剂，高锰酸钾和臭氧按顺序用作氧化和消毒剂。
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79.发明授权Method for the disposal of waste water containing ammonium ions, sulfate ions and organic substances 失效处理含有铵离子，硫酸根离子和有机物质的废水的方法
公开(公告)号：US4045341A
公开(公告)日：1977-08-30
申请号：US674161
申请日：1976-04-06
IPC分类号： C02F1/02 , C01F11/46 , C02F1/04 , C02F1/58 , C02F11/06 , C02F11/12 , F23G5/30 , F23G7/00 , F23G7/04 , C02B1/20
摘要： Disclosed is a method whereby a waste water containing ammonium ions, sulfate ions and organic substances is subjected to combustive disposal subsequent to addition of calcium hydroxide or calcium oxide thereto.
摘要翻译： 公开了一种方法，其中在向其中加入氢氧化钙或氧化钙之后，含有铵离子，硫酸根离子和有机物质的废水进行可燃处理。
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公开(公告)号：US4035293A
公开(公告)日：1977-07-12
申请号：US596708
申请日：1975-07-17
CPC分类号： C01B25/322 , C02F1/025 , C02F1/5236
摘要： Disclosed is a process for purifying an effluent containing acids such as phosphonic and phosphoric acids by the addition of CaO or Ca(OH).sub.2 in an amount ranging from 55-93 per cent by weight basis acids at a temperature of 35.degree. to 100.degree. C to a pH of 8 to 12. After removing the precipitated material, the effluent can be neutralized with CO.sub.2 gas. The precipitate can be calcined to tri calcium phosphate.
摘要翻译： 公开了一种通过在35〜100℃的温度下添加量为55-93重量％的CaO或Ca（OH）2来纯化含有酸如膦酸和磷酸的流出物的方法。 C至pH为8至12.在除去沉淀的材料后，流出物可用CO 2气体中和。 可以将沉淀物煅烧成三磷酸钙。
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