Low energy, high recovery, rapid cycle kinetic PSA for biogas

Membrane-based gas separation process using ejector-driven gas recycle

Kinetic fractionators, and cycling processes for fractionation of gas mixtures

Enrichment system for combustible gas

Refining system and method for refining a feed gas stream

Method of adsorptive gas separation using thermally conductive contactor structure

Tetrazole functionalized polymer membranes

Systems and methods for converting gaseous byproducts of wastewater treatment into energy

Floating liquefied natural gas pretreatment system

Combustible gas enrichment apparatus

Method and device for the absorptive removal of carbon dioxide from biogas

Membrane separation apparatus for fuel gas conditioning

Thermally integrated adsorption-desorption systems and methods

Zn(BTA)(TDA)—a robust highly interpenetrated metal-organic framework constructed from pentanuclear clusters for selective sorption of gas molecules

System and method for gas separation

Method for production of a compressed natural gas equivalent from landfill gas and other biogases

SORPTION ENHANCED METHANATION OF BIOMASS

FUEL GAS CONDITIONING PROCESS USING GLASSY POLYMER MEMBRANES

Photocatalytic Panel and System for Recovering Output Products Thereof

Method for the adsorptive drying of purified biogas and for regenerating laden adsorbents

Falling microbead counter-flow process for separating gas mixtures

Process of separating gases using polyimide membranes

Blend polymer gas separation membrane

Temperature swing adsorption process for the separation of target species from a gas mixture

Zeolitic imidazolate framework membranes and methods of making and using same for separation of C2− and C3+ hydrocarbons and separation of propylene and propane mixtures

Selective sulfur removal process

Configuration of contacting zones in vapor-liquid contacting apparatuses

Selective polysulfide composite membrane

Method and system for methane separation and purification from a biogas

Dual Purpose Gas Purification by Using Pressure Swing Adsorption Columns for Chromatographic Gas Separation

Identification and use of an isomorphously substituted molecular sieve material for gas separation

Retention of amines in the removal of acid gases by means of amine absorption media

N-functionalized imidazole-containing systems and methods of use

Process for purifying a gas in a temperature swing adsorption unit

MOF nanocrystals

SOUR NATURAL GAS SPARGER

High pressure high CO2 removal configurations and methods

Gas purification process utilizing engineered small particle adsorbents

Rapid temperature swing adsorption contactors for gas separation

Pressure-temperature swing adsorption process

Pressure-temperature swing adsorption process for the separation of heavy hydrocarbons from natural gas streams

Swing adsorption processes utilizing controlled adsorption fronts

Waste heat recovery system and method of using waste heat

Imidazolium-based room-temperature ionic liquids, polymers, monomers, and membranes incorporating same

Multi-stage adsorption system for gas mixture separation

Novel Nanoporous Supported Lyotropic Liquid Crystal Polymer Membranes and Methods of Preparing and Using Same

Membrane system for natural gas upgrading

ROTARY FLUID PROCESSING SYSTEMS AND ASSOCIATED METHODS

Ethylene Recovery From Off-Gas

High pressure reduction-oxidation desulfurization process

Sour gas and acid natural gas separation membrane process by pre removal of dissolved elemental sulfur for plugging prevention

METHODS FOR REMOVING CONTAMINANTS FROM NATURAL GAS

Method and apparatus for removing contaminant from fluid

Process for purifying natural gas and regenerating one or more adsorbers

Biogas Conditioning System and Method

Removal of ethane from natural gas at high pressure

Integrated membrane and adsorption system for carbon dioxide removal from natural gas

Configuration of contacting zones in vapor liquid contacting apparatuses

Sulfur compounds for carbon dioxide and sulfur dioxide removal

Treatment of natural gas feeds

Low energy, high recovery, rapid cycle kinetic PSA for biogas

PROCESS FOR SEPARATING GASES AT CRYOGENIC TEMPERATURES

Separation Under Pressure of Methane from Hot Brine Useful for Geothermal Power

Apparatus and method for converting gas into fuel

Dual Purpose Gas Purification by Using Pressure Swing Adsorption Columns for Chromatographic Gas Separation

Method for producing carbon molecular sieve membranes in controlled atmospheres

Systems and methods for converting gaseous byproducts of wastewater treatment into energy

Microchannel with internal fin support for catalyst or sorption medium

Systems and methods for off-shore energy production and carbon dioxide sequestration

Desulfurization system for hydrocarbon fuel

DESULFURIZER, HYDROGEN GENERATION APPARATUS, FUEL CELL POWER GENERATING SYSTEM, AND DESULFURIZING AGENT CARTRIDGE

Temperature swing adsorption system

Desulfurization system and method for desulfurizing a fuel stream

Method for Regulating a Series of Apparatus for Separating Air by Cryogenic Distillation and Series of Apparatus for Separating Air Operating According to Said Method

Hydrocarbon recovery and light product purity when processing gases with physical solvents

Process for Removal of Mercury from Gas Stream

Method of deacidizing a gas by partly neutralized multiamines

Flexible NGL process and methods

Integrated heavy hydrocarbon removal, amine treating and dehydration

Integrated heavy hydrocarbon removal, amine treating and dehydration

Desulfurization system and method for desulfurizing a fuel stream

Design and operation methods for pressure swing adsorption systems

Temperature swing adsorption system

Production of high purity and ultra-high purity gas

Method of purifying a natural gas by mercaptan adsorption

Integration of rapid cycle pressure swing adsorption with refinery process units (hydroprocessing, hydrocracking, etc.)

Adsorption process for continuous purification of high value gas feeds

Indexing rotary dual valve for pressure swing adsorption systems

System and method for producing renewable natural gas from biogas

System and method for producing renewable natural gas from biogas

System and method for producing renewable natural gas from biogas

System and method for cleaning of biogas

System and method for cleaning of biogas

System and method for producing renewable natural gas from biogas

Method of generating renewable natural gas

Integrated membrane and steam reformer for hydrogen production

Natural gas drying method and apparatus

System and method for gas quality and efficiency of a pressure swing adsorption gas separation unit

Method and system for producing refined biomethane from a renewable natural gas source

Metal-organic materials (MOMS) for COadsorption and methods of using MOMS

Process for vapor emission control