method recovering patent

Propoxylated ethoxylated surfactants and method of recovering …

US-4293428-A chemical patent summary. ... A method for recovering oil from a subterranean formation is disclosed wherein a novel solution is injected into and driven through the formation. The solution contains an effective amount of surface-active agent having the general formula R1O(C3H6O,m (C2H4O)nYX wherein R1 is a linear or …

Propoxylated ethoxylated surfactants and method of recovering …

@misc{etde_5692096, title = {Propoxylated ethoxylated surfactants and method of recovering oil therewith} author = {Gale, W W, Puerto, M C, Ashcraft, T L, Saunders, R K, and Reed, R L} abstractNote = {A process is provided for recovering oil from a subterranean formation wherein fluid containing a surfactant is injected into the …

Method for recovering metals from waste (Patent) | OSTI.GOV

@article{osti_873355, title = {Method for recovering metals from waste}, author = {Wicks, George G and Clark, David E and Schulz, Rebecca L}, abstractNote = {A method for recovering metals from metals-containing wastes, and vitrifying the remainder of the wastes for disposal. Metals-containing wastes such as circuit boards, cathode ray …

METHOD FOR RECOVERING VALUABLE METAL

Jun 21, 2021 - SUMITOMO METAL MINING CO., LTD. The present invention provides a method which is capable of more strictly controlling the oxygen partial pressure required …

Method for recovering and using lignin in adhesive resins (Patent …

@article{osti_868624, title = {Method for recovering and using lignin in adhesive resins}, author = {Schroeder, Herbert A}, abstractNote = {Lignin, or a lignin derived material, which has been significantly demethylated (e.g., the demethylated lignin found in the raffinate produced as a by-product of dimethyl sulfide production which can be …

METHOD FOR RECOVERING VALUABLE METAL

The method for recovering a valuable metal includes: a preparation step of preparing a charge containing at least lithium (Li) and a valuable metal; an oxidation and reductive melting step of subjecting the charge to an oxidation treatment and a …

Method for recovering titanium, vanadium and tungsten …

CN-103343236-A chemical patent summary. CN-103343236-A chemical patent summary. An official website of the United States government ... [Translated] Method for recovering titanium, vanadium and tungsten from waste denitration catalyst. Patent. CN-103343236-A. Inventor. LI HUAQUAN . ZHANG BIN . GUO CHUANHUA . SUN PENG .

Method of recovering and using fine coal (Patent) | OSTI.GOV

Abstract. Method of recovering and using heretofore lost or discarded coal fines which are a product of various coal washing processes comprising coating the fine coal with a oil/water mixture, separating excess oil/water mixture, forming into particles as by rolling or tumbling and drying to recover a strong pellet suitable for shipment.

Superheated solvent method for recovering viscous petroleum (Patent

The disclosed invention is a method for efficiently recovering viscous petroleum from hydrocarbon formations, particularly consolidated tar sand formations. ... Patent Number(s): US 4450913 Assignee: Texaco Inc. Resource Type: Patent Resource Relation: Patent File Date: Filed date 14 Jun 1982; Other Information: PAT-APPL-388389

CN104903476A

The method (see patent RF No.2225892 MIIK C22B 59/00) of recovering rare earth element from phosphogypsum of current use comprises use sulphuric acid soln process phosphogypsum.The rare earth element rate of recovery is 50.0-60.2%.Be 20-25wt% at sulfuric acid concentration, liquid/solid phase is than under the condition of L: S=2-3, and …

Method of recovering 1,3-propanediol from fermentation broth

WO-0173097-A2 chemical patent summary. WO-0173097-A2 chemical patent summary. An official website of the United States government ... A method of recovering 1,3-propanediol (PDO) from fermentation broth is disclosed. The method employs ion exclusion resins to separate PDO from other impurities. The product fraction contains greater than …

Patent Searching for SEAS Students

Utility: This is the most common type of patent. Most utility patents consist of 6 to 8 digits and are protected for 20 years [Note: patents prior to July 1836 start with …

WO/2024/054129 METHOD FOR RECOVERING OIL

1. WO2024054129 - METHOD FOR RECOVERING OIL. The invention relates to thermal oil recovery methods and can be used for recovering high-viscosity …

Method for recovering terephthalic acid and …

Method for recovering terephthalic acid and ethylene glycol from polyester materials. United States Patent 3952053. Abstract: The process described herein relates to a …

US10723643B2

A method or process for treating wastewater containing high organics, silica, boron, hardness, and suspended and dissolved solids. The method includes degasifying the wastewater for the removal of dissolved gases and thereafter chemically softening the wastewater. After the chemical softening step, the wastewater is directed through a …

Method for recovering materials from waste (Patent)

A method for recovering metals from metals-containing wastes, a vitrifying the remainder of the wastes for disposal. Metals-containing wastes such as circuit boards, cathode ray tubes, vacuum tubes, transistors and so forth, are broken up and placed in a suitable container. ... Patent Number(s): PATENTS-US-A8228901 Application Number: …

Method of recovering gallium from scrap containing gallium

A method of recovering gallium comprising: ... Another method is described in the Japanese Patent Application laid open under No. 213622/1984. It comprises decomposing an intermetallic gallium compound by oxidation, adjusting the pH of the resulting solution, contacting the solution with a chelate resin so that the resin may adsorb gallium from ...

System and method for recovering CO2

System and method for recovering CO2. United States Patent Application 20070053817. Kind Code: A1. Abstract: A CO 2 recovery system includes an absorption tower that receives CO 2 -containing gas and CO 2 -absorbing solution, and causes the CO 2 -containing gas to come in contact with the CO 2 -absorbing solution to produce CO 2 rich …

Method for recovering lithium hydroxide

Method for purifying and recovering lithium by-product lithium-containing crude sodium sulfate in lithium extraction process of nickel cobalt lithium manganate anode material recovery KR102552101B1 (en) * : : 한국선별기 주식회사: Method For Producing High Purity Lithium Carbonate From Waste Saggar

Method for recovering lithium hydroxide Patent Grant …

U.S. patent number 11,292,725 [Application Number 16/951,066] was granted by the patent office on for method for recovering lithium hydroxide.This patent grant is currently assigned to OUTOTEC FINLAND OY.

Method of recovering rare-earth elements

Provided is a method of recovering rare-earth elements by performing slight pH adjustment of a leachate, which does not require such significant pH adjustment as in conventional methods, reduces cost and effort, and can efficiently recover rare-earth elements in a bauxite residue in a good yield. The method of recovering rare-earth …

Method for recovering subsurface earth substances (Patent…

@article{osti_5626955, title = {Method for recovering subsurface earth substances}, author = {Turk, L J and Kehle, R O}, abstractNote = {This invention relates to novel leaching methods and apparatus for recovering minerals such as ores, high viscosity oil, and the like, from the subsurface earth formation. More specifically, the formation is penetrated …

Methods of recovering alkali metals (Patent) | OSTI.GOV

Approaches for alkali metal extraction, sequestration and recovery are described. For example, a method of recovering alkali metals includes providing a CST or CST-like (e.g., small pore zeolite) material. The alkali metal species is scavenged from the liquid mixture by the CST or CST-like material. The alkali metal species is extracted from ...

Method for recovering target materials from source materials (Patent

@article{osti_1568481, title = {Method for recovering target materials from source materials}, author = {Nakano, Jinichiro and Nakano, Anna and Bennett, James P.}, abstractNote = {A single-heating stage method for reclaiming or recovering metals like nickel and vanadium from a petroleum waste byproduct has three steps: melting the …

A METHOD OF RECOVERING IRIDIUM

Thus, the above described object and several other objects are intended to be obtained in a first aspect of the invention by providing a method of recovering iridium from a body comprising Ir x O y, wherein x is a number between 1 and 2 and y is a number between 1 and 4, wherein the method comprises: treating the body with a reducing …

Method of recovering 1,3-propanediol from fermentation broth

A method of recovering 1,3 -propanediol (PDO) from fermentation broth is disclosed. The method employs ion exclusion resins to separate PDO from other impurities. The product fraction contains greater than 80% pure PDO with high yield. Google Patents.

Two-step method for recovering dispersed noble metals

United States Patent 5102632. Abstract: A two-stage method of recovering the noble metal content of a mixture of noble metals, for example, platinum, palladium, and rhodium, this mixture being, for example, comprises on or throughout a pellet or on or throughout a ceramic monolith of a spent catalyst, the method comprising first reductive ...

Bart F. Bakke Inventions, Patents and Patent Applications

Patent number: 7323150. Abstract: A method for recovering at least one metallic element from ore or other material is described and includes reacting ore or other material with a salt capable of recovering the metallic element from the ore or other material to form a reaction product that includes the metallic element.

US Patent for Method for recovering

Justia Patents US Patent for Method for recovering terephthalic acid and ethylene glycol from polyester materials Patent (Patent # 3,952,053) ... An alternative method for recovering the ethylene glycol comprises treating the filtrate with sodium hydroxide. The quantity added is sufficient to raise the pH of the mixture to about 6.7 to 7.5.

JP2012017512A

Therefore, a simpler recovery method is desired. Japanese Patent Laid-Open No. 2007-63044 (Patent Document 2) discloses a method for recovering gallium by adding alkali hydroxide and water to a recycled electronic material and heat-treating it at 200 ° C. or higher, followed by solid-liquid separation and purification.