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公开(公告)号：US4807672A
公开(公告)日：1989-02-28
申请号：US116854
申请日：1987-11-04
申请人： Fred T. Sherk , Jimmy M. Gilbreth
发明人： Fred T. Sherk , Jimmy M. Gilbreth
CPC分类号： G01F23/14
摘要： A method for controlling the filling status of particulate solids in a solids container is provided using an apparatus comprising an empty/full indication device comprising a conduit structure, having a vertically opened upper end and a vertically opened lower end, wherein the vertically opened upper end is in open communication with the upper end portion of the solids container at the location of a predetermined full level and the vertically opened lower is in open communication with the lower end portion of the solids container at the location of a predetermined empty level. The conduit structure has a configuration such that when the level of the particulate solids being fed into the solids container reaches the predetermined full level, the particulate solids flow into the vertically opened upper end of the conduit structure by gravity through to the vertically opened lower end of the conduit structure; and, as the level of particulate solids being dispersed out of the solids container drops below the predetermined empty level, substantially of the particulate material within the conduit structure flows, by gravity, into the lower end portion of the solids container.
摘要翻译： 提供一种用于控制固体容器中的颗粒状固体的填充状态的方法，该装置包括一个包括一个具有垂直打开的上端和垂直打开的下端的导管结构的空/全指示装置的装置，其中垂直打开的上端 在固定式容器的上端部处于预定的全部水平位置处开放连通，并且垂直打开的下部与固体容器的下端部分在预定空位的位置处开放连通。 导管结构具有这样的构造，使得当进入固体容器的颗粒状固体的水平达到预定的全部水平时，颗粒固体通过重力流入垂直打开的下端的导管结构的垂直打开的上端 的管道结构; 并且，随着分散在固体容器中的颗粒固体的含量降到预定的空白水平以下，导管结构内的大部分颗粒材料通过重力流入固体容器的下端部分。
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公开(公告)号：US4524200A
公开(公告)日：1985-06-18
申请号：US611573
申请日：1984-05-18
申请人： Fred T. Sherk , Afif M. Nesheiwat , Guy Senatore
发明人： Fred T. Sherk , Afif M. Nesheiwat , Guy Senatore
CPC分类号： C08J3/12 , C08G75/02 , C08J2381/02
摘要： Granular poly(arylene sulfide) is recovered from a slurry comprising granular poly(arylene sulfide), polar organic solvent, alkali metal halide, poly(arylene sulfide) oligomers, untreated reactants in the water by heating the slurry under conditions to evaporate polar organic solvent, water and volatile impurities at a temperature below the normal boiling point of the polar organic solvent to produce a dry mixture containing poly(arylene sulfide), poly(arylene sulfide) oligomers and alkali metal halide which is then reslurried with water to produce a reslurried mixture containing aqueous alkali metal halide solution and dispersed poly(arylene sulfide) oligomers with the reslurried mixture being filtered through a coarse screen to recover granular poly(arylene sulfide) thereon and pass a filtrate containing poly(arylene sulfide) oligomers and aqueous alkali metal halide solution therethrough. The filtrate can be further treated by filtering through a filter aid coated vacuum filter to recover poly(arylene sulfide) oligomers thereon and pass an aqueous alkali metal halide solution therethrough as filtrate.
摘要翻译： 从含有聚（亚芳基硫醚），极性有机溶剂，碱金属卤化物，聚（亚芳基硫醚）低聚物的浆料中回收颗粒状聚（亚芳基硫醚），在水中通过在蒸发极性有机溶剂的条件下加热浆料 ，水和挥发性杂质在低于极性有机溶剂的正常沸点的温度下产生含有聚（亚芳基硫醚），聚（亚芳基硫醚）低聚物和碱金属卤化物的干燥混合物，然后将其与水一起重新制备， 含有碱金属卤化物水溶液和分散的聚（亚芳基硫醚）低聚物的混合物，其中重新制备的混合物通过粗筛过滤，以在其上回收粒状聚（亚芳基硫醚），并通过含有聚（亚芳基硫醚）低聚物和碱金属卤化物水溶液的滤液 溶液通过。 可以通过过滤助滤剂真空过滤器进一步处理滤液，以在其上回收聚（亚芳基硫醚）低聚物，并通过作为滤液的碱金属卤化物水溶液。
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公开(公告)号：US4451643A
公开(公告)日：1984-05-29
申请号：US456185
申请日：1983-01-06
CPC分类号： C08G75/0272 , C08G75/0281
摘要： A method for producing a polymer in which lithium hydroxide, optionally also employing either lithium chloride or lithium acetate, is contacted with N-methyl-pyrrolidone in the presence of lithium halide to produce a reaction product mixture containing lithium N-methyl-4-aminobutyrate with this reaction mixture then being contacted with hydrogen sulfide and polyhalo aromatic compound in the presence of additional N-methyl-pyrrolidone under conditions to form a polymer. Lithium halide produced as a by-product is substantially recovered from the reaction mixture, converted to lithium hydroxide and can be recycled to the process.
摘要翻译： 一种生产聚合物的方法，其中任选地还使用氯化锂或乙酸锂的氢氧化锂在卤化锂的存在下与N-甲基 - 吡咯烷酮接触以产生含有N-甲基-4-氨基丁酸锂的反应产物混合物 然后在另外的N-甲基吡咯烷酮的存在下，使该反应混合物与硫化氢和多卤代芳族化合物接触，形成聚合物。 作为副产物生产的卤化锂基本上从反应混合物中回收，转化成氢氧化锂并可循环使用。
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公开(公告)号：US4376196A
公开(公告)日：1983-03-08
申请号：US194305
申请日：1980-10-06
CPC分类号： C08G75/0295 , C08G75/0281
摘要： Arylene sulfide polymers containing ash-forming impurities or materials are purified by contacting an aqueous mixture of such polymer with molecular oxygen under conditions sufficient to reduce the ash-forming impurities and concurrently at least partially cure the polymer.
摘要翻译： 含有形成灰分的杂质或材料的亚芳基硫醚聚合物通过使这种聚合物的水性混合物与分子氧在足以降低成灰杂质并同时至少部分固化聚合物的条件下接触来纯化。
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公开(公告)号：US4167472A
公开(公告)日：1979-09-11
申请号：US900390
申请日：1978-04-26
申请人： James E. Dick , Fred T. Sherk , Lewis E. Drehman
发明人： James E. Dick , Fred T. Sherk , Lewis E. Drehman
CPC分类号： C07C15/00 , C07C5/417 , C10G2400/30
摘要： A process for treating a hydrocarbon composition containing both straight chain and non-straight chain hydrocarbons in which said hydrocarbon composition is separated into a straight chain hydrocarbon-rich fraction and a non-straight chain hydrocarbon-rich fraction, non-aromatics in said non-straight chain hydrocarbon-rich fraction are converted to aromatics, and at least a portion of the straight chain hydrocarbon-rich fraction is passed in combination with steam over a steam active catalyst comprising at least one Group VIII metal and a tin modified Group II metal aluminate under conditions such that aromatics are produced.
摘要翻译： 一种用于处理含有直链烃和非直链烃的烃组合物的方法，其中所述烃组合物分离成直链富烃馏分和非直链富烃馏分，所述非芳族烃在所述非 - 将直链富烃馏分转化成芳族化合物，并将至少一部分直链富烃馏分与蒸汽结合通过包含至少一种第Ⅷ族金属和锡改性的第II族金属铝酸盐的蒸汽活性催化剂 在产生芳族化合物的条件下。
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公开(公告)号：US4801664A
公开(公告)日：1989-01-31
申请号：US149760
申请日：1988-01-29
申请人： Afif M. Nesheiwat , Guy Senatore , Fred T. Sherk
发明人： Afif M. Nesheiwat , Guy Senatore , Fred T. Sherk
CPC分类号： C08G75/0281 , C08G75/0277 , C08G75/0295
摘要： In one embodiment, a process is provided for treating virgin poly(arylene sulfide) resins, wherein a heated polymer slurry, comprising a virgin poly(arylene sulfide) resin and water is contacted by an acidic treating solution comprising at least an acidic component, wherein the amount of the acidic component in the acidic treating solution is less than the amount necessary to result in at least a partial curing of the virgin poly(arylene sulfide) resin. In a second embodiment, the process is provided for treating a virgin poly(arylene sulfide) resin, wherein the virgin poly(arylene sulfide) resin is slurried with an aqueous acidic treating solution comprising an acidic component and an aqueous component and the concentration of the acidic component in the aqueous acidic treating solution is less than the amount necessary to result in at least a partial curing of the virgin poly(arylene sulfide) resin. The polymer slurry is then heated to an elevated temperature, below the melting point of the virgin resin, while in the substantial absence of a gaseous oxidizing atmosphere.
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公开(公告)号：US4589957A
公开(公告)日：1986-05-20
申请号：US526254
申请日：1983-08-25
申请人： Fred T. Sherk , Donald O. Hanson
发明人： Fred T. Sherk , Donald O. Hanson
CPC分类号： B01D3/146 , C07C7/04 , Y10S159/18 , Y10S203/20
摘要： Improved process for the separation of a hydrocarbon-containing feedstream comprising monomer, comonomer and diluent into separate product streams which comprises subjecting the feedstream to two-stage distillation provided with a common accumulation zone wherein the condensate from the accumulation zone serves as the source of feed for the second distillation and reflux for the first distillation. In a specific embodiment, a feed comprising ethylene, 1-hexene, and isobutane is separated into separate streams of 1-hexene, ethylene and isobutane, and isobutane for recycle to polymerization.
摘要翻译： 用于将包含单体，共聚单体和稀释剂的含烃进料流分离成单独的产物流的改进方法，其包括使进料流进行两级蒸馏，其中提供有共同积聚区，其中来自积聚区的冷凝物用作进料源 用于第二次蒸馏和回流进行第一次蒸馏。 在一个具体的实施方案中，将包含乙烯，1-己烯和异丁烷的进料分离成单独的1-己烯，乙烯和异丁烷流和异丁烷以再循环至聚合。
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公开(公告)号：US4263451A
公开(公告)日：1981-04-21
申请号：US85172
申请日：1979-10-15
申请人： Ronnie L. Lewis , Fred T. Sherk
发明人： Ronnie L. Lewis , Fred T. Sherk
CPC分类号： B01J31/04 , B01J31/4015 , C01G9/02 , C07C51/416 , B01J23/06 , Y02P20/52 , Y02P20/584
摘要： A method for removing carbonaceous impurity from zinc oxide by contacting a water slurry of contaminated zinc oxide with oxygen in a reactor at reaction conditions sufficient to produce oxide products of the carbon contaminants and passing the reactor effluent through a filter to collect solid zinc oxide while passing the oxides of carbon through the filter. In a preferred embodiment, contaminated zinc oxide separated from the reaction product in the preparation of terephthalic acid from benzoic acid using zinc benzoate catalyst is subjected to treatment for removal of carbonaceous contaminants before being recycled to reaction with molten benzoic acid to produce zinc benzoate catalyst used in the reaction.
摘要翻译： 在足以产生碳污染物的氧化物产物的反应条件下使受污染的氧化锌的水浆与氧接触的方法从氧化锌中除去含碳杂质的方法，并使反应器流出物通过过滤器以收集固体氧化锌，同时通过 碳的氧化物通过过滤器。 在优选的实施方案中，使用苯甲酸锌催化剂从苯甲酸制备对苯二甲酸中的反应产物中分离的被污染的氧化锌在再循环到与熔融的苯甲酸反应以产生使用的苯甲酸锌催化剂之前，经过处理除去含碳污染物 在反应中。
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公开(公告)号：US4235607A
公开(公告)日：1980-11-25
申请号：US4796
申请日：1979-01-19
申请人： Richard A. Kinder , Fred T. Sherk
发明人： Richard A. Kinder , Fred T. Sherk
CPC分类号： B01D53/1406 , B01D53/1475 , B01D53/1493 , Y02C10/06
摘要： A process and apparatus for removing an impurity from a gas by means of selective absorption of a gas impurity by a suitable absorbent. The absorbent and gas are contacted in a contacting zone which is divided into a plurality of compartments with the absorbent and gas flowing cocurrently in each individual compartment. The overall system, however, is a countercurrent flow system wherein the absorbent flows downwardly and the gas flows upwardly. The process and the apparatus can be used for the removal of carbon dioxide from natural gas with the use of salt water as the absorbent. The invention is especially useful for a natural gas well located in offshore waters that produces a gas with a high concentration of carbon dioxide as the apparatus can be erected on the ocean floor and use the surrounding sea water as absorbent.
摘要翻译： 一种用于通过合适的吸收剂选择性吸收气体杂质从气体中除去杂质的方法和装置。 吸收剂和气体在分离成多个隔室的接触区域中接触，吸收剂和气体在每个单独隔室中并流并流。 然而，整个系统是逆流流动系统，其中吸收剂向下流动并且气体向上流动。 该方法和设备可用于使用盐水作为吸收剂从天然气中除去二氧化碳。 本发明对位于近海水域的天然气特别有用，该天然气生产具有高浓度二氧化碳的气体，因为该设备可以竖立在海底并且使用周围的海水作为吸收剂。
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10.发明授权Recovering poly(arylene sulfide) oligomers from a poly(arylene sulfide) reaction mixture 失效从聚（亚芳基硫醚）反应混合物中回收聚（亚芳基硫醚）低聚物
公开(公告)号：US4730034A
公开(公告)日：1988-03-08
申请号：US6410
申请日：1987-01-23
申请人： Afif M. Nesheiwat , Guy Senatore , Fred T. Sherk
发明人： Afif M. Nesheiwat , Guy Senatore , Fred T. Sherk
CPC分类号： C08G75/0281 , C08G75/0259
摘要： Poly(arylene sulfide) oligomers are recovered in a process comprising steps of:(a) dehydration of an aqueous admixture of alkali metal hydroxide such as sodium hydroxide, and alkali metal bisulfide such as sodium bisulfide, in a polar organic solvent such as N-methyl-2-pyrrolidone (NMP), wherein the molar ratio of alkali metal hydroxide to alkali metal bisulfide is about 0.90:1 to about 1.05:1 prior to dehydration and 0.99:1 to about 1.05:1 after dehydration;(b) reaction of at least one polyhalo-substituted aromatic compound such as p-dichlorobenzene with the mixture from step (a) under polymerization conditions to produce a reaction mixture;(c) addition of a phase separation agent such as water, to the reaction mixture to produce a phase-separated poly(arylene sulfide) mixture;(d) cooling the mixture from step (c) to produce a slurry of particulate poly(arylene sulfide) and poly(arylene sulfide) oligomers in a liquid;(e) separating particulate poly(arylene sulfide) from the slurry of step (d) leaving a dispersion of poly(arylene sulfide) oligomers in a liquid; and(f) filtering the dispersion of step (e) to recover the poly(arylene sulfide) oligomers therefrom.
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