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Coal Washing Patents

Coal washing plant employing a feed equalizer and a

Coal Washing Plant Employing A Feed Equalizer And A

A single stage or multi-stage coal washing plant comprises a plurality of bunched cyclones supplied with raw crushed coal water slurry at high solids content and high velocity common from a tank through a distributor line that contains an equalizer for supplying equal quantities of solids to each cyclone through an inlet pipe having a critically dimensioned deflector that assists in ...

Coal washing apparatus PEABODY COAL CO

Coal Washing Apparatus Peabody Coal Co

Coal washing apparatus. United States Patent 2253760. Abstract The present invention relates in general to coal washing apparatus and in particular is concerned with improvements in means for controlling the depth of the refuse bed in such apparatus of the type in which the washing operation results in a stratification of the coal and refuse ...

Coal washing machine Andre Vissac Gustave

Coal Washing Machine Andre Vissac Gustave

Coal washing machine . United States Patent 2055161 . Abstract This invention relates to improvements in coal washers of the type in which the particles of coal are separated from the particles of rock by means of an upwardly flowing column of water into which both the coal and the rock are introduced and from which they are separately ...

Coal dewatering Unilever Patent Holdings BV

Coal Dewatering Unilever Patent Holdings Bv

Coal processing, particularly the treatment of metallurgical coal, usually incorporates washing steps as part of the beneficiation scheme. Coal washing is primarily to remove undesirable gangue minerals from the coal, usually by froth flotation. The water used in the coal cleaning process must be removed for a number of reasons.

US Patent for Extraction of coal Patent Patent

Us Patent For Extraction Of Coal Patent Patent

1. A high boiling aromatic solvent oil for the solvent extraction of coal, produced by extracting a heavy petroleum material with a solvent which selectively removes the aromatic components which are suitable for use as a solvent for coal from the material, admixing the extract with an aromatic solvent selected from benzene, toluene and xylene, washing out with water the selective solvent from ...

US Patent for Coal processing operation comprising a dense

Us Patent For Coal Processing Operation Comprising A Dense

May 14, 2009 A coal processing operation 10 includes in a dense media separation stage 12, subjecting a coal feedstock 18 which includes minerals to dense media separation producing a first coal stream 20 and a second coal stream 22. Coal in the first coal stream 20 is lower in ash and has a lower ash fusion temperature than coal in the second coal stream 22.

Patents The New York Times

Patents The New York Times

Aug 18, 1979 Patent 9,164,467, granted this week, one of a series Mr. Liller has been receiving, covers a washing plant in which the incoming flow of coal particles is distributed among three or

Coal washing Coal preparation Coal washing plant pcocess

Coal Washing Coal Preparation Coal Washing Plant Pcocess

Apr 10, 2019 Clean coal is an energy that can generally be used as fuel, the fine coal of bituminous coal is generally used for coking. The main reasons of washing coal are as bellow 1. Improve coal quality and reduce emissions of coal-fired pollutants. Coal washing can remove 50-80 of ash and 30-40 of total sulfur or 6080 of inorganic sulfur in coal.

Hydrocyclone for CoalWashing Equipment

Hydrocyclone For Coalwashing Equipment

Jan 12, 2021 All of these circuits have been used successfully for washing coal. Consequently, only one circuit is presented herein fig. 5, showing the hydrocyclone as a scalping-type primary washer that reduces the required capacity for the more expensive final cleaning, in this case, a dense-medium coal washing device for the coarse coal.

First time showering a guy Nervous Medical Assistant

First Time Showering A Guy Nervous Medical Assistant

Mar 07, 2011 Okay, so I am a home health aide. All my patients that I have to shower are women. I have guy patients but I dont shower them. I have my first guy patient tomorrow though. He cant do anything him self other than help stand and move. As for washing anything he cant do. He has a

Coal Patents and Patent Applications Class 48210

Coal Patents And Patent Applications Class 48210

Dec 14, 2018 Coal Patents Class 48210 Gasification system and process. Patent number 10781384. Abstract A gasification system for the oxidation of a carbonaceous feedstock to provide a synthesis gas comprising a reactor chamber for oxidizing the carbonaceous feedstock a quench section for holding a bath of liquid coolant an intermediate section ...

Process for desulfurization of coal Patent OSTIGOV

Process For Desulfurization Of Coal Patent Ostigov

articleosti6376627, title Process for desulfurization of coal, author Ray, A B, abstractNote Coal is oxidized by nox in the presence of a liquid in which nox is soluble. Oxidized sulfur species are removed by washing with water and dilute sulfuric acid. Nox

Technology Sublicense Agreement

Technology Sublicense Agreement

Jun 29, 2010 Operation issued February 19, 2008 iv U.S. Patent Application No. 10622,677, entitled Low Sulfur Coal Additive for Improved Furnace Operation, filed July 18, 2003 v U.S. Patent Application No. 12785,184, entitled Additives for Mercury Oxidation in Coal-Fired Power Plants, filed May 21, 2010 vi U.S. Provisional Patent Application No. 60144,349, entitled Low Cost ...

waste coal from coal washing plant BINQ Mining

Waste Coal From Coal Washing Plant Binq Mining

Dec 06, 2012 Patent US4325819 Coal washing plant Google Patents. 630 Coal washing plant Referenced by. Citing Patent Filing date Issue date Original Assignee Title US4584094 and wherein a discharge of waste is obtained, More detailed

Hydrothermal alkali metal recovery process Patent DOE

Hydrothermal Alkali Metal Recovery Process Patent Doe

In a coal gasification operation or similar conversion process carried out in the presence of an alkali metal-containing catalyst wherein solid particles containing alkali metal residues are produced, alkali metal constituents are recovered for the particles by contacting or washing them with an aqueous solution containing calcium or magnesium ions in an alkali metal recovery zone at a low ...

Performance of a Baumtype coalwashing jig Technical

Performance Of A Baumtype Coalwashing Jig Technical

The separation of coal from its associated impurities by means of a pulsator-type jig has been studied to determine the efficiency and the mechanism of separating

Coal Washing Kentucky Geological Survey University of

Coal Washing Kentucky Geological Survey University Of

Oct 07, 2019 Coal Washing. The physical and chemical properties of coal are highly variable . Industries that use coal specify a range of properties that are required for their intended process. Coal suppliers try to find coals that most closely match those requirements. Coal is treated in processes called beneficiation to prepare a material that meets the ...

Washing Coal Market Overview with New Opportunities and

Washing Coal Market Overview With New Opportunities And

Jul 08, 2021 Jul 08, 2021 Market Insight Reports -- A Latest intelligence report published by AMA Research with title Washing Coal Market Outlook to 2026. ...

US Patent for Blast furnace metallurgical coal substitute

Us Patent For Blast Furnace Metallurgical Coal Substitute

Apr 29, 2009 A metallurgical coal substitute material is made from non-metallurgical grade coal or other carbon sources. ... Justia Patents US Patent for Blast furnace metallurgical coal substitute products and method Patent Patent 8,906,336 ... Pulverization will facilitate washing if the ash content needs to be adjusted by physical or by chemical ...

Extraction of coal Coal Industry Patents Limited

Extraction Of Coal Coal Industry Patents Limited

We claim 1. A high boiling aromatic solvent oil for the solvent extraction of coal, produced by extracting a heavy petroleum material with a solvent which selectively removes the aromatic components which are suitable for use as a solvent for coal from the material, admixing the extract with an aromatic solvent selected from benzene, toluene and xylene, washing out with water the selective ...

US Patent for Method of preparing a synthetic fuel from

Us Patent For Method Of Preparing A Synthetic Fuel From

Sep 11, 2002 Justia Patents Particulate e.g., Powdered, Etc. US Patent for Method of preparing a synthetic fuel from coal Patent Patent 6,641,624 Method of preparing a synthetic fuel from coal Sep 11, 2002 - Ondeo Nalco Company

Need for a coalwashing plant Newspaper

Need For A Coalwashing Plant Newspaper

Apr 28, 2003 Recently the Small and Medium Enterprises Authority SMEDA Balochistan held a seminar on Need for a Coal Washing Plant in Quetta. The participants were of

Chemical leaching of coal to remove ash alkali and

Chemical Leaching Of Coal To Remove Ash Alkali And

This patent describes a physio-chemical process for producing deep cleaned coal, comprising the steps of providing a supply of air-dried coal of particle size fractions of no greater than 14 inchx0 mesh immersing the coal in an organic solvent selected from the group consisting of butylamine, propylamine, and ethylene diamine, to form a ...

Clean coal is still poisoning peoples water and air Grist

Clean Coal Is Still Poisoning Peoples Water And Air Grist

Jan 10, 2014 The patent page for the process in which 4-methylcyclohexane methanol is used has some background information ... a complex process of coal washing is

Coal washing scenario in India and future prospects

Coal Washing Scenario In India And Future Prospects

Jun 28, 2016 Coal Washing Exploration in India dates back to 1900s though, first coking coal washeries in India were installed after independence. At present, most of the coking coal washeries are owned by Public Sector Companies whereas, most of the non-coking coal washeries are owned by Private Sector. Even after six decades of coal washing practices, there has not been significant

Washing Coal Market By Type And Application Global

Washing Coal Market By Type And Application Global

Figure Rest of Middle East and Africa Washing Coal Revenue Million USD and Growth Rate 2016-2027 Table Global Washing Coal Revenue and Revenue Share by Type 2016-2019 Figure Global Ash Range 12.5 Revenue and Growth Rate 2016-2019 Figure Global Ash Range 12.5-16 Revenue and Growth Rate 2016-2019 Figure Global Ash Range 16 ...


Coal Washing Machine Mcnally Pittsburg Mfg Corp

Coal washing machine - MCNALLY PITTSBURG MFG CORP. Title Coal washing machine. United States Patent 2217286. Abstract The present invention relates to devices for separating and segregating commingled materials of different specific gravity, and more in particular to coal washing devices adapted to segregate coal of a desired specific gravity ...

Sulfur removal from coal Patent OSTIGOV

Sulfur Removal From Coal Patent Ostigov

Abstract. Coal is treated to remove both pyritic and organic sulfur by contacting with an aqueous solution comprising cupric ions at temperatures of about 140sup 0 C.-200sup 0 C. under autogenic pressure, until substantial amounts of the sulfur are solubilized, separating the coal solids, and washing the solids with water to remove soluble forms of sulfur, iron and copper therefrom.

Patents for B03B 5 Washing granular powdered or lumpy

Patents For B03b 5 Washing Granular Powdered Or Lumpy

Patents for B03B 5 - Washing granular, powdered or lumpy materials Wet separating 6,471 042014 04162014 CN103721836A Ore washing machine 04162014 CN103721835A Lever combination ...

US Patent Application for HIGHASH FINE COAL SLIME

Us Patent Application For Highash Fine Coal Slime

Apr 22, 2019 Disclosed is high-ash fine coal slime separation equipment and method, applicable to the field of coal washing. The high-ash fine coal slime separation equipment includes a feeding system 1, a mineralization system 2, a separation system 3 and a pulsating water flow control system 4. A coal slime mineralization region is isolated from a separation region and a damping block and a ...

Method and Apparatus for Refining Coal US Patent Patent

Method And Apparatus For Refining Coal Us Patent Patent

Jul 13, 2012 Justia Patents Using Liquid Aqueous Material US Patent Application for Method and Apparatus for Refining Coal Patent Application Application 20120279117 ... Various methods of washing, mechanical separation and chemical reaction have been and are being used to reduce these contaminants before the coal is burned.

Coal Washing

Coal Washing

Coal washing Coal that comes from a mine is a complex mixture of materials with a large variety of physical properties. In addition to the coal itself, pieces of rock, sand, and various minerals are contained in the mixture. Thus, before coal can be sold to consumers, it must be cleaned. The cleaning process consists of a number of steps that results in a product that is specifically suited to ...

Hospitals filling up with vaxxed patients Cairns News

Hospitals Filling Up With Vaxxed Patients Cairns News

Aug 11, 2021 by Kev Moore The vast majority of Covid patients now are people who have received the jab. The media tries to blame the new variant on un-vaxxed people, but the facts speak for themselves. Reports coming out of Israel claim hospitals are being filled with vaccinated people, 95 percent of whom are suffering serious illness

Complete Coal Mining Plants Coal Washing Plants Coal

Complete Coal Mining Plants Coal Washing Plants Coal

Coal Washing Plants. Coal Dock Bridges. Marcus Patent Picking Table Screens. Chicago Designed, Engraved and Printed by The Twentieth Century Press, 1917. 10ff., i.e. 20pp. First Edition. 12 x 9 inches. Decorated, embossed wrappers cord tied. Half-tones from photographs. Typed list of Code for Seams of Coal all in Western ...


History Of The Washing Machine

Jan 30, 2017 The invention of washing machine. We owe the invention of the washing machine to Jacob Christian Sch ffer 1767. 30 years later, an American, Nathaniel Briggs, obtained the first patent for a washing machine. It involved pouring hot water into a tank, turning a lever to wash the clothes and then wringing them between two rollers.