Richard W. Baker
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View article: Process for recovering organic vapors from air
Process for recovering organic vapors from air Open
A process for recovering and concentrating organic vapor from a feed stream of air having an organic vapor content of no more than 20,000 ppm by volume. A thin semipermeable membrane is provided which has a feed side and a permeate side, a…
View article: Engineering Design of a Polaris Membrane CO<sub>2</sub> Capture System at a Cement Plant
Engineering Design of a Polaris Membrane CO<sub>2</sub> Capture System at a Cement Plant Open
Sargent & Lundy (S&L;) and Membrane Technology and Research, Inc. (MTR) in cooperation with CEMEX, completed an initial engineering design study to evaluate the retrofit of MTR’s membrane-based post-combustion carbon dioxide (CO2) capture …
View article: Absorption process for producing oxygen and nitrogen and solution therefor
Absorption process for producing oxygen and nitrogen and solution therefor Open
Process for the separation and purification of oxygen and nitrogen is disclosed which utilizes solutions of oxygen carriers to selectively absorb oxygen from a gaseous stream, leaving nitrogen as a byproduct. In the process, an oxygen carr…
View article: Microfiltration
Microfiltration Open
Chapter 8 covers microfiltration and starts by summarizing the development of membranes and applications over the last 100 years. There follows a characterization of membranes into screen and depth filters, including an explanation of effe…
View article: Gas Separation
Gas Separation Open
Chapter 9 covers gas separation. After a historical perspective, the author recaps the theory of gas separation in dense and finely microporous membranes, as treated in Chapters 2 and 3. A consideration of structural requirements leads to …
View article: Catalytic cracking process
Catalytic cracking process Open
Processes and apparatus for providing improved catalytic cracking, specifically improved recovery of olefins, LPG or hydrogen from catalytic crackers. The improvement is achieved by passing part of the wet gas stream across membranes selec…
View article: Combustion systems and power plants incorporating parallel carbon dioxide capture and sweep-based membrane separation units to remove carbon dioxide from combustion gases
Combustion systems and power plants incorporating parallel carbon dioxide capture and sweep-based membrane separation units to remove carbon dioxide from combustion gases Open
Disclosed herein are combustion systems and power plants that incorporate sweep-based membrane separation units to remove carbon dioxide from combustion gases. In its most basic embodiment, the invention is a combustion system that include…
View article: Selective purge for hydrogenation reactor recycle loop
Selective purge for hydrogenation reactor recycle loop Open
Processes and apparatus for providing improved contaminant removal and hydrogen recovery in hydrogenation reactors, particularly in refineries and petrochemical plants. The improved contaminant removal is achieved by selective purging, by …
View article: Nitrogen removal from natural gas using two types of membranes
Nitrogen removal from natural gas using two types of membranes Open
A process for treating natural gas or other methane-rich gas to remove excess nitrogen. The invention relies on two-stage membrane separation, using methane-selective membranes for the first stage and nitrogen-selective membranes for the s…
View article: Process, including membrane separation, for separating hydrogen from hydrocarbons
Process, including membrane separation, for separating hydrogen from hydrocarbons Open
Processes for providing improved methane removal and hydrogen reuse in reactors, particularly in refineries and petrochemical plants. The improved methane removal is achieved by selective purging, by passing gases in the reactor recycle lo…
View article: Gas Separation Using Organic-Vapor-Resistent Membranes In Conjunctin With Organic-Vapor-Selective Membranes
Gas Separation Using Organic-Vapor-Resistent Membranes In Conjunctin With Organic-Vapor-Selective Membranes Open
A process for treating a gas mixture containing at least an organic compound gas or vapor and a second gas, such as natural gas, refinery off-gas or air. The process uses two sequential membrane separation steps, one using membrane selecti…
View article: Membrane loop process for separating carbon dioxide for use in gaseous form from flue gas
Membrane loop process for separating carbon dioxide for use in gaseous form from flue gas Open
The invention is a process involving membrane-based gas separation for separating and recovering carbon dioxide emissions from combustion processes in partially concentrated form, and then transporting the carbon dioxide and using or stori…
View article: Process, including PSA and membrane separation, for separating hydrogen from hydrocarbons
Process, including PSA and membrane separation, for separating hydrogen from hydrocarbons Open
An improved process for separating hydrogen from hydrocarbons. The process includes a pressure swing adsorption step, a compression/cooling step and a membrane separation step. The membrane step relies on achieving a methane/hydrogen selec…
View article: Liquid-phase and vapor-phase dehydration of organic/water solutions
Liquid-phase and vapor-phase dehydration of organic/water solutions Open
Processes for dehydrating an organic/water solution by pervaporation or vapor separation using fluorinated membranes. The processes are particularly useful for treating mixtures containing light organic components, such as ethanol, isoprop…
View article: Carbon dioxide removal process
Carbon dioxide removal process Open
A process and apparatus for separating carbon dioxide from gas, especially natural gas, that also contains C.sub.3+ hydrocarbons. The invention uses two or three membrane separation steps, optionally in conjunction with cooling/condensatio…
View article: Process for separating carbon dioxide from flue gas using sweep-based membrane separation and absorption steps
Process for separating carbon dioxide from flue gas using sweep-based membrane separation and absorption steps Open
A gas separation process for treating flue gases from combustion processes, and combustion processes including such gas separation. The invention involves routing a first portion of the flue gas stream to be treated to an absorption-based …
View article: Methane/nitrogen separation process
Methane/nitrogen separation process Open
A membrane separation process for treating a gas stream containing methane and nitrogen, for example, natural gas. The separation process works by preferentially permeating methane and rejecting nitrogen. We have found that the process is …
View article: Dehydration processes using membranes with hydrophobic coating
Dehydration processes using membranes with hydrophobic coating Open
Processes for removing water from organic compounds, especially polar compounds such as alcohols. The processes include a membrane-based dehydration step, using a membrane that has a dioxole-based polymer selective layer or the like and a …
View article: Method and apparatus for producing oxygen and nitrogen and membrane therefor
Method and apparatus for producing oxygen and nitrogen and membrane therefor Open
Process and apparatus for the separation and purification of oxygen and nitrogen as well as a novel membrane useful therein are disclosed. The process utilizes novel facilitated transport membranes to selectively transport oxygen from one …
View article: Membrane augmented distillation to separate solvents from water
Membrane augmented distillation to separate solvents from water Open
Processes for removing water from organic solvents, such as ethanol. The processes include distillation to form a rectified overhead vapor, compression of the rectified vapor, and treatment of the compressed vapor by two sequential membran…
View article: Hydrogen recovery process
Hydrogen recovery process Open
A treatment process for a hydrogen-containing off-gas stream from a refinery, petrochemical plant or the like. The process includes three separation steps: condensation, membrane separation and hydrocarbon fraction separation. The membrane…
View article: Separation process using pervaporation and dephlegmation
Separation process using pervaporation and dephlegmation Open
A process for treating liquids containing organic compounds and water. The process includes a pervaporation step in conjunction with a dephlegmation step to treat at least a portion of the permeate vapor from the pervaporation step. The pr…
View article: Pervaporation process and use in treating waste stream from glycol dehydrator
Pervaporation process and use in treating waste stream from glycol dehydrator Open
Pervaporation processes and apparatus with few moving parts. Ideally, only one pump is used to provide essentially all of the motive power and driving force needed. The process is particularly useful for handling small streams with flow ra…
View article: Process for recovering organic components from liquid streams
Process for recovering organic components from liquid streams Open
A separation process for recovering organic components from liquid streams. The process is a combination of pervaporation and decantation. In cases where the liquid stream contains the organic to be separated in dissolved form, the pervapo…
View article: Treatment of evaporator condensates by pervaporation
Treatment of evaporator condensates by pervaporation Open
A pervaporation process for separating organic contaminants from evaporator condensate streams is disclosed. The process employs a permselective membrane that is selectively permeable to an organic component of the condensate. The process …
View article: Process for removing an organic compound from water
Process for removing an organic compound from water Open
A process for removing organic compounds from water is disclosed. The process involves gas stripping followed by membrane separation treatment of the stripping gas. The stripping step can be carried out using one or multiple gas strippers …
View article: Bench scale development of a hybrid membrane-absorption CO<sub>2</sub>capture process (Final Report)
Bench scale development of a hybrid membrane-absorption CO<sub>2</sub>capture process (Final Report) Open
This final technical report describes work conducted for the Department of Energy (DOE) on the development of a bench-scale hybrid membrane-absorption carbon dioxide (CO2) capture system for coal-fired power plant applications (Cooperative…
View article: BENCH-SCALE DEVELOPMENT OF A HYBRID MEMBRANE-ABSORPTION CO<sub>2</sub>CAPTURE PROCESS (Final Report)
BENCH-SCALE DEVELOPMENT OF A HYBRID MEMBRANE-ABSORPTION CO<sub>2</sub>CAPTURE PROCESS (Final Report) Open
This final technical report describes work conducted for the Department of Energy (DOE) on the development of a bench-scale hybrid membrane-absorption carbon dioxide (CO2) capture system for coal-fired power plant applications (Cooperative…