公开(公告)号：US5882527A

公开(公告)日：1999-03-16

申请号：US780509

申请日：1997-01-08

Applicant: Bruce J. Rubin ,  Carl B. Richenberg ,  David M. Melos

Inventor： Bruce J. Rubin ,  Carl B. Richenberg ,  David M. Melos

IPC: B01D37/00 ,  B01F1/00

CPC classification number: B01F1/0022 ,  B01D37/00 ,  B01D2201/085

Abstract: A process of dissolving solid waste material in packed beds comprises the addition to the packed bed of a solvent for the solid waste and a material which releases a gas on contact with the solvent which forms channels in the packed bed allowing more rapid access of the solvent to the bed.

Abstract translation: 将固体废料溶解在填充床中的方法包括向固体废物的溶剂的填充床中加入一种与在溶解物中接触的溶剂释放气体的材料，所述溶剂在填充床中形成通道，允许溶剂更快速地进入 到床上

公开(公告)号：US5230804A

公开(公告)日：1993-07-27

申请号：US852797

申请日：1992-03-17

Applicant: Ernst I. Leupold ,  Eduard Zeisberger ,  Manfred Kauffelt ,  Willi Herzog ,  Udo Dettmeier ,  Georg Weichselbaumer

Inventor： Ernst I. Leupold ,  Eduard Zeisberger ,  Manfred Kauffelt ,  Willi Herzog ,  Udo Dettmeier ,  Georg Weichselbaumer

IPC: B01J38/00 ,  B01D29/35 ,  B01D61/14 ,  B01D65/06 ,  B01D65/08 ,  B01D67/00 ,  C07C51/235 ,  C07C51/42 ,  C07C59/125

CPC classification number: B01D67/0088 ,  B01D29/35 ,  B01D61/145 ,  B01D65/02 ,  B01D65/08 ,  C07C51/42 ,  B01D2201/085 ,  B01D2321/2025

Abstract: The process for separating off rare metal catalysts used in the preparation of ether-carboxylic acids by catalytic oxidation with a suspended catalyst comprises carrying out a crossflow filtration and pretreating the filter elements used with a medium which is not solid under the treatment conditions and is composed of one or more carboxylic acids.

Abstract translation: 通过催化氧化用悬浮催化剂分离用于制备醚 - 羧酸的稀有金属催化剂的方法包括进行交叉流过滤并预处理在处理条件下与不固体的介质一起使用的过滤元件，并组成 的一种或多种羧酸。

公开(公告)号：US5108623A

公开(公告)日：1992-04-28

申请号：US615327

申请日：1990-11-19

Applicant: Jerome M. Cangelosi ,  James Zgonc

Inventor： Jerome M. Cangelosi ,  James Zgonc

IPC: B01D33/04 ,  B01D24/46 ,  B01D29/09 ,  B01D33/44 ,  B01D33/58

CPC classification number: B01D29/09 ,  B01D2201/085

Abstract: A system for filtering solid-containing plating waste comprises a reusable filter media belt that travels in a continuous loop between a filter tray, where filtration takes place, and a multi-compartmented cleaning tank where the belt is cleaned for reuse. Each compartment in the tank is substantially closed at its lower end, and open at its upper end. The belt travels in and out of each of the tank compartments in sequence, being subjected to a liquid cleaning treatment in each by contacting sprays and/or bath immersion before being returned to the filter tray for reuse. A wringer is provided at the top of each compartment through which the belt passes before proceeding to the next compartment in order to isolate the treatment liquids from each other.

公开(公告)号：US4627923A

公开(公告)日：1986-12-09

申请号：US652873

申请日：1984-09-20

Applicant: David S. Ross

Inventor： David S. Ross

IPC: B01D24/22 ,  B01D23/24

CPC classification number: B01D24/22 ,  B01D2201/085 ,  B01D2201/44

Abstract: There is provided an improvement in a waste effluent filter of the type including a tank, a generally flat fine mesh screen over the lower portion of the tank to define an underdrain cavity below the screen and a filter bed of particulate material having an upper surface and a lower general surface adjacent the underdrain cavity. The particle size of the particulate material being greater than the size of the apertures in the fine mesh screen. The filter improvement includes a jet creating grid for creating a plurality of upwardly directed hydraulic jets evenly distributed throughout the filter bed during the filtering of the effluent through the bed wherein the jet creating grid includes a plurality of nozzles in the bed itself substantially below the upper surface of the bed and above the fine mesh screen a selected distance to retain the lower layer of the bed undisturbed. As a further improvement a plurality of horizontal liquid jets are created as a network over the upper surface of the sand bed to scour the media surface during filtering. A further improvement in the filter is the creation of a plurality of hydraulic cleaning jets usable during backwashing along with a vertical flushing action through the screen from the underdrain cavity. Yet a further improvement in the filter is the provision of a chemical cleaning feature utilizing two separate and distinct chemicals injected into the bed for cleaning the filter bed. Preferably, the chemical injection uses the two sets of vertically displaced jets.

Abstract translation: 提供了一种类型的废物流出物过滤器的改进，其包括罐，在罐的下部上的大致平坦的细筛网，以限定筛网下方的下划线腔，以及具有上表面和 与下划线腔相邻的下一般表面。 颗粒材料的颗粒尺寸大于细筛网中的孔的尺寸。 过滤器改进包括用于在通过床的过滤流出物期间产生均匀分布在整个过滤床上的多个向上定向的液压喷射器的喷射产生栅格，其中喷射产生栅格包括在床本身中的多个喷嘴， 床的表面和细筛网上方的选定距离以保持床的下层不受干扰。 作为进一步的改进，在砂床的上表面上形成多个水平液体射流作为网络，以在过滤期间冲洗介质表面。 过滤器的进一步改进是在反洗中可用的多个液压清洁喷嘴的产生以及从下划线腔通过筛网的垂直冲洗作用。 然而，过滤器的进一步改进是提供化学清洁特征，利用两个分开且不同的化学物质注入床中以清洁过滤床。 优选地，化学喷射使用两组垂直移动的喷嘴。

公开(公告)号：US4104163A

公开(公告)日：1978-08-01

申请号：US771432

申请日：1977-02-24

Applicant: James F. Grutsch

Inventor： James F. Grutsch

IPC: B01D24/46 ,  B01D25/28 ,  B01D23/24

CPC classification number: B01D25/28 ,  B01D24/4631 ,  B01D24/4884 ,  B01D2201/085 ,  B01D24/14

Abstract: This application is directed to the regeneration of fixed bed granular media filters used for the clarification of liquids, after said filters have become unsuitable or inefficient due to the occlusion of oily substances. One such regeneration method comprises the steps of: backwashing the filter, draining the filter, contacting the filter with an aqueous alkali solution composed of sodium hydroxide dissolved in demineralized water, said solution having a pH value of about 10.5 or greater, at a temperature ranging from about ambient to about 200.degree. F, for a time sufficient to regenerate the filter, and backwashing the filter. Generally, the alkali solution comprises about 0.1 to about 50 weight percent aqueous sodium hydroxide and the contacting is conducted for a period of about 0.1 to about 10 hours.

Abstract translation: 本申请涉及用于澄清液体的固定床颗粒介质过滤器的再生，因为由于油性物质的堵塞，所述过滤器已经变得不合适或低效。 一种这样的再生方法包括以下步骤：对过滤器进行反冲洗，排空过滤器，使过滤器与溶解在软化水中的氢氧化钠组成的碱性水溶液接触，所述溶液的pH值约为10.5或更大，温度范围 从约环境温度至约200°F，持续足够的时间再生过滤器，并反洗过滤器。 通常，碱溶液包含约0.1至约50重量％的氢氧化钠水溶液，接触进行约0.1至约10小时。

公开(公告)号：US4089935A

公开(公告)日：1978-05-16

申请号：US703391

申请日：1976-07-08

Applicant: Paul M. Waxelbaum ,  Duane A. Huston

Inventor： Paul M. Waxelbaum ,  Duane A. Huston

IPC: B01D25/28 ,  C01B11/06 ,  C01B11/04 ,  B01J1/00 ,  B08B7/00

CPC classification number: C01B11/064 ,  B01D25/28 ,  B01D2201/085

Abstract: A process is described for recovering calcium hypochlorite values from the filter media employed in the filtration of calcium hypochlorite slurries. Deposits of Ca(OCl).sub.2 along with insoluble materials adhering to the filter media are washed with an aqueous solution of calcium hypochlorite to form a slurry of calcium hypochlorite solids. Water is used to wash the filter media to dissolve any remaining Ca(OCl).sub.2 and form a solution of calcium hypochlorite. The slurry and solution are then admixed to provide a solution of calcium hypochlorite whose concentration is controlled within the range of from about 45 to about 215 grams per liter of Ca(OCl).sub.2. This solution is employed in the production of calcium hypochlorite and is recycled to the washing step.

Abstract translation: 描述了从用于过滤次氯酸钙浆料中的过滤介质中回收次氯酸钙值的方法。 将Ca（OCl）2沉积物以及附着在过滤介质上的不溶物质用次氯酸钙水溶液洗涤，形成次氯酸钙固体的浆液。 水用于洗涤过滤介质以溶解任何剩余的Ca（OCl）2并形成次氯酸钙溶液。 然后将浆料和溶液混合以提供次氯酸钙溶液，其浓度控制在约45至约215克/升Ca（OCl）2的范围内。 该溶液用于生产次氯酸钙，并被再循环至洗涤步骤。

公开(公告)号：US4032443A

公开(公告)日：1977-06-28

申请号：US653384

申请日：1976-01-29

Applicant: David S. Ross

Inventor： David S. Ross

IPC: B01D24/46 ,  B01D20060101 ,  B01D24/24 ,  B01D25/28 ,  B01D29/62 ,  C02F1/00 ,  B01D23/24

CPC classification number: B01D24/4631 ,  B01D24/22 ,  B01D17/10 ,  B01D2201/085

Abstract: Filtering solids from waste water liquids and cleaning, degreasing and restoring the filtering media through the use of cleaning compounds forced up through the filtering substances.

公开(公告)号：US3180825A

公开(公告)日：1965-04-27

申请号：US19770562

申请日：1962-05-25

Applicant: I A C INTERNAT ANALYZER COMPAN

Inventor： SILVERE COUVREUR ,  PAUL BALDWIN

IPC: B01D24/00 ,  B01J47/02 ,  C02F1/42 ,  C02F9/00 ,  C13B20/14

CPC classification number: C13B20/14 ,  B01D24/007 ,  B01D24/04 ,  B01D24/12 ,  B01D24/4631 ,  B01D24/4668 ,  B01D24/4884 ,  B01D2201/085 ,  B01J47/022 ,  C02F1/42 ,  C02F2303/16

Abstract: 1,013,069. Filters for liquids; ion-exchange. INTERNATIONAL ANALYZER S.A. April 26, 1962 [May 29, 1961], No. 16010/62. Headings B1D and B1J. During upflow of liquid to be filtered or treated, or of regenerating liquid, the free space 7, Fig. 1, above the bed 2, is eliminated by introduction of a fluid at 8, Fig. 2, to the region 5 between the outer cylindrical wall 1 and a resilient cylindrical wall 6, to prevent channelling of the bed. During upflow rinsing, the free space may be partially eliminated by the same means. A cylindrical resilient wall may be arranged within the bed along the axis to provide a central expandible region, Fig. 3 (not shown). The pervious wall 4 above the bed may be replaced by a layer of coarse granules of lower specific gravity than the bed, Fig. 5 (not shown).

公开(公告)号：US1864755A

公开(公告)日：1932-06-28

申请号：US29928228

申请日：1928-08-13

Applicant: STANDARD OIL CO CALIFORNIA

Inventor： OSMER JAMES H ,  CRAISE FREDERICK L

IPC: B01D29/00 ,  B01D37/00 ,  C10G17/10

CPC classification number: B01D24/165 ,  B01D24/4631 ,  B01D2201/085

公开(公告)号：US1857810A

公开(公告)日：1932-05-10

申请号：US33463629

申请日：1929-01-24

Applicant: TEXAS CO

Inventor： GEE WILLIAM P

IPC: B01D33/21 ,  B01D37/02 ,  C10G73/02

CPC classification number: C10G73/025 ,  B01D33/21 ,  B01D33/60 ,  B01D33/663 ,  B01D33/82 ,  B01D37/02 ,  B01D2201/085 ,  B01D2201/208