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公开(公告)号：US4387021A
公开(公告)日：1983-06-07
申请号：US251459
申请日：1981-04-06
CPC分类号： C01B33/26 , C04B14/204 , C09K17/04 , Y02W30/91
摘要： A system for handling exhausted vermiculite cation exchange particles after they have been used for the removal of heavy metal ions from waste effluents. The exhausted particles are stabilized and removed from the ion exchange column. Stabilization may be by acid solution recirculation through the column prior to particle removal. This is accomplished by preferably using a portable stabilization unit. The stabilized particles are removed from the column by a flushing, backwashing arrangement. After drying, the particles, which are non-hazardous, may be used in a land fill or they may be expanded to produce a lightweight aggregate, insulation, or agricultural material.
摘要翻译： 用于将废蛭石阳离子交换颗粒用于从废水中去除重金属离子的系统。 耗尽的颗粒被稳定并从离子交换柱中除去。 在颗粒去除之前，可以通过酸性溶液再循环通过柱来进行稳定化。 这通过优选地使用便携式稳定单元来实现。 通过冲洗反洗装置将稳定的颗粒从柱中除去。 干燥后，无害的颗粒可以用于土地填充物中，或者它们可以膨胀以产生轻质骨料，绝缘材料或农用材料。
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2.发明授权
公开(公告)号：US4207397A
公开(公告)日：1980-06-10
申请号：US942540
申请日：1978-09-15
申请人： Stephen H. Davis , James E. Etzel
发明人： Stephen H. Davis , James E. Etzel
CPC分类号： B01J49/0069 , B01J49/00 , B01J49/0086
摘要： Cation exchange water softeners may be regenerated and, then, the regenerant wastes (brine) recovered, treated, and recycled. The result is a closed system which is ecologically beneficial. The regenerant brine is captured in as concentrated a form as possible and then treated with a precipitant such as sodium or potassium carbonate or mixtures of sodium or potassium carbonate with sodium or potassium hydroxide. Calcium and magnesium compounds are precipitated and the supernatant contains sodium or potassium chloride. These are separated within the brine treatment tank, the precipitate being disposed of as a sludge or sludge cake and the supernatant being recycled to the water softener at the time of further regeneration.
摘要翻译： 阳离子交换水软化剂可以再生，然后再生废物（盐水）回收，处理和再循环。 结果是一个生态有益的封闭系统。 再生盐水以浓缩的形式被捕获，然后用沉淀剂如碳酸钠或碳酸钾或碳酸钠或碳酸钾与氢氧化钠或氢氧化钾的混合物处理。 沉淀出钙和镁化合物，上清液含有氯化钠或氯化钾。 这些在盐水处理槽中分离，沉淀物作为污泥或污泥饼处理，上清液在进一步再生时再循环至软水剂。
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公开(公告)号：US4314905A
公开(公告)日：1982-02-09
申请号：US143663
申请日：1980-04-25
CPC分类号： B01J20/28004 , B01J20/0229 , B01J20/04 , B01J20/28009 , B01J20/28016 , B01J20/28026 , B01J20/3204 , B01J20/3276 , B01J20/3282 , B01J20/3293 , B01J20/3425 , B01J20/3475 , B01J39/165 , B01J47/007 , B01J47/02 , C22B3/42 , B01J2220/56 , B01J2220/58 , Y02P10/234
摘要： A method and apparatus for water softening using less than approximately 20 micron diameter fine mesh magnetized ion exchange particles in columnar operation. The particles are formed by encapsulating a core of magnetic material in ion exchange resin. The particles are magnetized and disposed in a column where they attach to magnetic mesh retention means such as stainless steel wool. The design of the column permits use of the fine mesh ion exchange particles and their properties of rapid exchange rates and efficient utilization of resin capacity while avoiding prior art problems of plugging, fouling, and excessive pressure drop.
摘要翻译： 在柱状操作中使用小于约20微米直径的细网状磁化离子交换颗粒进行水软化的方法和装置。 颗粒通过将离子交换树脂中的磁性材料芯封装而形成。 将颗粒磁化并放置在柱中，在其中它们附着到诸如不锈钢丝之类的磁性筛网保持装置上。 柱的设计允许使用细网状离子交换颗粒及其快速交换速率和树脂容量的有效利用的性质，同时避免现有技术的堵塞，结垢和过度压降的问题。
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4.发明授权Treatment of metal plating wastes with an unexpanded vermiculite cation exchange column 失效用未膨胀的蛭石阳离子交换柱处理金属电镀废物
公开(公告)号：US4210530A
公开(公告)日：1980-07-01
申请号：US13929
申请日：1979-02-22
申请人： James E. Etzel , Vasiliki Keramida
发明人： James E. Etzel , Vasiliki Keramida
CPC分类号： C25D21/22 , B01J39/14 , C02F1/722 , C02F2101/18 , C02F2101/20 , Y10S210/904
摘要： Multivalent heavy metal ions are removed from metal plating waste streams by passing them through an unexpanded vermiculite cation exchange column. The column is effective to remove copper, zinc, and nickel ions and mixtures thereof. Where cyanide and cyanide-metal complexes are also present in the plating waste stream, the stream is pretreated to destroy the cyanide and cyanide complexes prior to passage through the ion exchange column.
摘要翻译： 通过将金属离子交换出未膨胀的蛭石阳离子交换柱，从金属电镀废液流中除去多价重金属离子。 该柱有效去除铜，锌和镍离子及其混合物。 在氰化物和氰化物 - 金属络合物也存在于电镀废物流中的情况下，预先处理该物流以在通过离子交换柱之前破坏氰化物和氰化物络合物。
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5.发明授权Method for removing of multivalent heavy metals from metal plating waste effluents 失效从金属电镀废水中去除多价重金属的方法
公开(公告)号：US4100065A
公开(公告)日：1978-07-11
申请号：US753218
申请日：1976-12-22
申请人： James E. Etzel
发明人： James E. Etzel
CPC分类号： B01J39/02 , C25D21/22 , Y10S210/913
摘要： An exfoliated vermiculite cation-exchange column is used to remove multivalent heavy metals (copper, zinc, nickel, chromium, etc.) from metal plating wastes. The exfoliated vermiculite may be either chemically or relatively low-temperature thermally expanded vermiculite ore. It preferably has a cation exchange capacity of over 80 meq/100g. Exfoliated vermiculite particle sizes of less than approximately 10 mesh are preferred as the column packing. The ion-depleted vermiculite from the exchange column after use can be further expanded thermally and used as a lightweight filling material.
摘要翻译： 剥离的蛭石阳离子交换柱用于从金属电镀废料中除去多价重金属（铜，锌，镍，铬等）。 剥离的蛭石可以是化学或相对低温的热膨胀蛭石矿石。 其优选具有超过80meq / 100g的阳离子交换容量。 作为柱填料，优选小于约10目的剥离的蛭石颗粒尺寸。 来自交换柱的离子耗尽的蛭石在使用后可以进一步膨胀并用作轻质填充材料。
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6.发明授权
公开(公告)号：US4288430A
公开(公告)日：1981-09-08
申请号：US64346
申请日：1979-08-06
申请人： James E. Etzel
发明人： James E. Etzel
CPC分类号： B01J49/0065 , A01N25/12 , A01N59/00 , C02F1/76
摘要： A disinfectant composition for use in water conditioning systems is produced by dry mixing sodium chloride and a chlorinated cyanurate and pelletizing the mixture. The composition releases free chlorine to disinfect brine solutions used in regenerating domestic water conditioning ion exchange columns and prevents bacterial contamination of such columns.
摘要翻译： 用于水处理系统的消毒剂组合物是通过干混合氯化钠和氯化氰尿酸酯并将混合物造粒而制得的。 该组合物释放游离氯以消毒用于再生家用水处理离子交换柱的盐水溶液，并防止这些柱的细菌污染。
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公开(公告)号：US5591346A
公开(公告)日：1997-01-07
申请号：US476731
申请日：1995-06-07
申请人： James E. Etzel , Joseph Kurek
发明人： James E. Etzel , Joseph Kurek
CPC分类号： B01J45/00 , C02F2101/103 , Y10S210/911
摘要： A water or wastewater purification process is described for reducing selenium and arsenic concentrations in contaminated water or wastewater streams. Iron loaded cation exchange resins, when contacted with contaminated water or wastewater streams are effective to form immobilized complexes with selenite and arsenate contaminants. The iron loaded resins can be easily regenerated by sequential treatment with acid and a solution of a soluble iron salt.
摘要翻译： 描述了用于降低污染水或废水流中硒和砷浓度的水或废水净化过程。 当与受污染的水或废水流接触时，铁负载的阳离子交换树脂有效地与亚硒酸盐和砷酸盐污染物形成固定的络合物。 铁负载的树脂可以通过用酸和可溶性铁盐的溶液的连续处理容易地再生。
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公开(公告)号：US5453201A
公开(公告)日：1995-09-26
申请号：US181844
申请日：1994-01-14
申请人： James E. Etzel , Joseph Kurek
发明人： James E. Etzel , Joseph Kurek
CPC分类号： B01J45/00 , C02F2101/103 , Y10S210/911
摘要： A water or wastewater purification process is described for reducing selenium and arsenic concentrations in contaminated water or wastewater streams. Iron loaded cation exchange resins, when contacted with contaminated water or wastewater streams are effective to form immobilized complexes with selenite and arsenate contaminants. The iron loaded resins can be easily regenerated by sequential treatment with acid and a solution of a soluble iron salt.
摘要翻译： 描述了用于降低污染水或废水流中硒和砷浓度的水或废水净化过程。 当与受污染的水或废水流接触时，铁负载的阳离子交换树脂有效地与亚硒酸盐和砷酸盐污染物形成固定的络合物。 铁负载的树脂可以通过用酸和可溶性铁盐的溶液的连续处理容易地再生。
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公开(公告)号：US4343706A
公开(公告)日：1982-08-10
申请号：US174987
申请日：1980-08-04
申请人： James E. Etzel , Praveen Anand
发明人： James E. Etzel , Praveen Anand
CPC分类号： C02F9/00 , C02F1/5236 , C02F2101/20 , Y10S210/912 , Y10S210/913
摘要： Heavy Metals contained in industrial waste streams are removed therefrom by flocculation using a source of ferric ions and an alkaline material at a basic pH. Both the flocculated heavy metals and the coagulant chemicals are recovered by acidifying the floc to a pH of between 3.2 and 3.7. This liberates the heavy metals back into solution but does not destroy the floc particles. After separation and removal of the concentrated heavy metal solution, the floc is further acidified to completely dissolve it. This dissolved ferric ion containing solution may then be reused to treat succeeding portions of heavy metal containing waste streams. The concentrated heavy metals solution may also be recycled or the metals contained therein recovered for reuse or disposed of in an acceptable manner.
摘要翻译： 通过在碱性pH下使用铁离子源和碱性物质的絮凝，从工业废物流中除去重金属。 絮凝的重金属和凝结剂化学品都通过将絮凝物酸化至3.2至3.7的pH来回收。 这将重金属释放回溶液中，但不会破坏絮体颗粒。 在分离和除去浓缩的重金属溶液后，将絮状物进一步酸化以使其完全溶解。 然后可以将这种溶解的含铁离子溶液重新用于处理含重金属废物流的后续部分。 浓缩的重金属溶液也可以被回收或其中所含的金属回收再利用或以可接受的方式处理。
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