Matches 1 - 28 out of 28


Match Document Document Title
8580222 Process for remediation of plastic waste  
A single step process for degrading plastic waste by converting the plastic waste into carbonaceous products via thermal decomposition of the plastic waste by placing the plastic waste into a...
8182775 Dry-scrubbing media compositions and methods of production and use  
Dry-scrubbing media compositions, methods of preparing same, and methods of use are provided. The compositions contain activated alumina and potassium carbonate. Optionally, activated carbon and...
7927576 ATS tail gas treating process for SRU and SWS off gases  
The present invention relates to a system and process utilizing ammonium thio sulfate solution (ATS) as the primary liquid absorption agent that is re-circulated through an SO2 Contactor/Absorber...
7824652 ATS tail gas treating process for SRU and SWS off gases  
The present invention relates to a system and process utilizing ammonium thiosulfate solution (ATS) as the primary liquid absorption agent that is re-circulated through an SO2 Contactor/Absorber...
7718152 Process and system for destroying carbonaceous materials and composition and system thereof  
A process for substantially removing carbonaceous material from a composition comprising providing the composition having carbonaceous material, reacting the carbonaceous material with a sulfur...
5910466 Catalyst for purifying exhaust gas  
The present invention relates to a catalyst for purifying an exhaust gas, and in particular provides a catalyst for purifying an exhaust gas using a complex oxide, which is not deteriorated in its...
5191149 Method of refining liquified petroleum gases into aerosol propellants  
A method for refining liquified petroleum gases so that gases can be treated to reduce odor, olefins, moisture and wherein side reactions are minimized to produce stable aerosol by multistage...
5149460 Composition for H2 S removal  
A process for removal of H2 S from gas streams is described, the process being characterized by use of a novel iron chelate treating solution containing a specified ferric to ferrous chelate...
5149459 H2 S removal composition  
A process for removal of H2 S from gas streams is described, the process being characterized by use of a novel iron chelate treating solution containing a specified ferric to ferrous chelate ratio...
5102638 Process for the selective absorption of chlorine from CO2 -containing off-gases  
The invention provides a process for the selective absorption of chlorine from CO2 -containing off-gases, which comprises washing the off-gases with an aqueous solution which contains 0.1-10% by...
4883601 Process for purifying an aqueous, hydrogen sulfide-scrubbing solution  
A process for purifying an aqueous, hydrogen sulfide-scrubbing solution which contains a water-soluble transition metal component, such as a vanadium component or an iron component, in addition to...
4871520 Process and composition for H2 S removal  
A process for removal of H2 S from gas streams is described, the process being characterized by use of a novel iron chelate treating solution containing a specified ferric to ferrous chelate...
4859436 H2 S removal process and composition  
A process for removal of H2 S from gas streams is described, the process being characterized by use of a novel iron chelate treating solution containing a specified ferric to ferrous chelate ratio...
4824443 Gas separation by composite solvent-swollen membranes  
There is disclosed a composite immobulized liquid membrane of a solvent-swollen polymer and a microporous organic or inorganic support, the solvent being at least one highly polar solvent...
4781910 Hydrogen sulfide removal and sulfur recovery  
The present invention is directed to a process for removing H2 S from a gaseous stream, preferably a natural gas stream, which comprises forming a buffered aqueous H2 S stream containing...
4737166 Acid gas scrubbing by composite solvent-swollen membranes  
A composite immobilized liquid membrane suitable for acid gas scrubbing is disclosed. The membrane is a solvent-swollen polymer and a microporous polymeric support, the solvent being selected from...
4579727 Oxidative removal of hydrogen sulfide from gas streams  
A process for recovering elemental sulfur from a hydrogen sulfide containing gas stream by reacting the hydrogen sulfide in the gas stream with a buffered aqueous solution enriched in thiosulfate...
4518576 H2 S Removal from gas streams  
A cyclic process and composition for the removal of hydrogen sulfide from a variety of gas streams is disclosed. The gas stream containing the sour gases is contacted with a specified reactant...
4515764 Removal of H2 S from gaseous streams  
A cyclic process and composition for the removal of hydrogen sulfide from a variety of gas streams is disclosed. The gas stream containing the sour gases is contacted with a specified reactant...
4496371 Process for removal of hydrogen sulfide and carbon dioxide from gas streams  
A gas treating process is disclosed. Hydrogen sulfide and carbon dioxide are removed from a hydrocarbon vapor stream by absorption into an aqueous carbonate solution. Hydrogen sulfide picked up by...
4308242 Producing sulfur-containing compositions from gaseous sulfur compounds  
At least one of sulfur dioxide and a gaseous hydrosulfide is contacted with at least one of a sulfur-containing salt and a gaseous basic nitrogen compound to produce a solid, sulfur-containing...
4299652 Process for recovery of pulp mill chemicals  
A process is disclosed in which a waste gas containing sulfur compounds and carbon dioxide from pulp mill is contacted with an aqueous alkali solution derived from green liquor, white liquor or...
4199472 Oxygen absorbent composition  
An oxygen absorbent composition consisting essentially of (a) an oxygen absorbent comprising a dithonite as a main component and (b) a fiber material in an amount of from about 1 to about 50 parts...
4102803 Oxygen-consuming composition  
An effective oxygen-consuming composition for packages, containers, or other closed spaces, especially containing an article susceptible to oxidative deterioration, comprises a dithionite for...
4098639 Process for reducing the requirement of fresh chemicals without increasing emissions in the pulping of cellulosic material  
A process is provided for reducing the requirement of fresh chemicals without increasing emissions in the pulping of cellulosic material with alkaline sodium- and sulfur-containing-sulfate pulping...
3956460 Process for the treatment of gas streams containing hydrogen cyanide  
Ammonia, hydrogen cyanide and hydrogen sulfide contained in gas streams are separated from the gas streams by contacting the gas stream with an aqueous solution containing free oxygen for a time...
3647363 RECOVERY OF SULFUR VALUES FROM FLUE GASES WITH OXIDIZED NEUTRAL SULFITE GREEN LIQUOR  
A process for the utilization of sulfur compounds in spent pulping liquors and flue gases, said process including the oxidation of neutral sulfite green liquor with air or oxygen under heat and...
3532595 METHOD FOR PRODUCING HIGH-GRADE HOT WATER BY MEANS OF COMBUSTION GASES FROM SULPHITE OR SULPHATE CELLULOSE PROCESSES AND APPARATUS FOR CARRYING OUT THE METHOD  

Matches 1 - 28 out of 28