1
Shivaji Sircar: Regeneration of adsorbents. Air Products and Chemicals, Geoffrey L Chase, William F Marsh, James C Simmons, November 15, 1988: US04784672 (73 worldwide citation)

In the recovery of methane and carbon dioxide from landfill gas (LFG) a selective adsorption system is employed having a pretreat section operated in temperature swing adsorption mode (TSA) to remove water and trace hydrocarbon contaminants, in flow communication with a pressure swing adsorption sec ...


2
Donald E Woodmansee, James J Carroll Sr: In place regeneration of adsorbents using microwaves. General Electric Company, Patrick R Scanlon, Paul R Webb II, July 13, 1993: US05227598 (41 worldwide citation)

Apparatus for selectively regenerating at least one portion of an adsorbent bed in an adsorption system with a movable microwave device while the remainder of the bed is still being used. The adsorbent bed is held by a frame which divides the bed into a plurality of sections, each section holding a ...


3
Hans Wimber, Wilhelm Rohde, Jorg Reyhing: Regeneration of adsorbents. Linde Aktiengesellschaft, Millen & White, June 21, 1977: US04030896 (28 worldwide citation)

In an adsorption process for the separation of gases, e.g., in the separation of CO.sub.2 and H.sub.2 O from air, wherein gas to be separated is passed through one of several interchangeably connected adsorbers, and a main stream of regenerating gas is passed in two periods through another of said i ...


4
Lily E Herskovits: Regeneration of adsorbents by low temperature hydrogen stripping. UOP, James R Hoatson Jr, John F Spears Jr, William H Page II, September 13, 1983: US04404118 (26 worldwide citation)

A method is disclosed for regenerating a solid adsorbent which has been used to remove oxygen-containing hydrocarbonaceous compounds, water or sulfur-containing compounds from a hydrocarbon stream. The method is preferably applied to molecular sieves which have been used to remove ethers, alcohols a ...


5
Shivaji Sircar, Roger R Conrad, William R Koch: Closed-loop thermal regeneration of adsorbents containing reactive adsorbates. Air Products and Chemicals, John M Fernbacher, James C Simmons, November 20, 1990: US04971606 (20 worldwide citation)

A method is disclosed for the thermal regeneration of an adsorbent which contains adsorbed components which can react with and damage the adsorbent at regeneration temperatures. The method comprises passing a hot regeneration gas through a bed of the adsorbent at a sufficiently high flow rate such t ...


6
John C Crittenden, Sawang Notthakun, David W Hand, David L Perram: Regeneration of adsorbents using advanced oxidation. Board of Control of Michigan Technological University, Daniel H Bliss, January 26, 1993: US05182030 (9 worldwide citation)

The present invention is a method of purifying fluid having organic material. The method comprises two operational steps. The first step includes passing the fluid through an adsorbent such that the organic material is substantially adsorbed by the adsorbent and the fluid is substantially purified. ...


7
Bang M Kim, James J Carroll Sr, Donald E Woodmansee: Method and apparatus for continuous microwave regeneration of adsorbents. General Electric Company, Patrick R Scanlon, Paul R Webb II, November 22, 1994: US05367147 (7 worldwide citation)

Apparatus and method for regenerating saturated adsorbents using microwave energy. A saturated adsorbent, such as activated carbon, is fed onto a continuously moving conveyor belt. The conveyor belt transports the carbon to a microwave cavity where the carbon is exposed to microwave energy. The cavi ...


8

9
Regeneration of adsorbents. Grace W R & Co, November 29, 1978: GB1533559-A (6 worldwide citation)

1533559 Regenerating adsorbent beds W R GRACE & CO 27 Nov 1975 [27 Nov 1974 23 Dec 1974] 48834/75 Heading B1L [Also in Divisions C1A and H5] A bed of adsorbent, e.g. zeolite, having gas, e.g. water vapour, adsorbed thereon is regenerated by passing through the bed a direct electric current or an alt ...


10
P Scott Northrop, Francis S Wu, Margaret Wu legal representative, Narasimhan Sundaram: Method of purifying hydrocarbons and regeneration of adsorbents used therein. ExxonMobil Upstream Research Company, ExxonMobil Upstream Research Company Law Department, September 11, 2012: US08262773 (4 worldwide citation)

An improved method is provided for removing contaminants from a hydrocarbon stream, such as a stream of raw natural gas. The contaminated hydrocarbon stream is passed through a first adsorbent bed containing molecular sieves to adsorb contaminants on the molecular sieves, thereby removing at least s ...



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