• Sonia Segura | Repsol, Madrid | Research - researchgate.net

    The present invention refers to a mixture comprising at least 25wt% of polyether carbonate polyol having a content of CO2 in its chemical structure ranging from 0.5 to 30wt%, based on the total ...

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  • photos relating production process of calcium carbonate

    The present invention is a manufacturing method of an aqueous suspension of precipitated calcium carbonate, water, calcium-containing material oxide, 200 from 6500 g Get Price mineral processing of calcite - refloresta-bahia.org

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  • Carbonated water - Wikipedia

    Carbonated water is water containing dissolved carbon dioxide gas, either artificially injected under pressure or occurring due to natural geologic processes. Carbonation causes small bubbles to form, giving the water an effervescent quality.

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  • United States Patent Office 2,705,185

    of the present invention than the magnesium carbonate formed, often ephenerally, by the carbonation of the MgO and Mg(OH)2. The existence of the magnesium car bonate is ephemeral when it is permitted to react imme diately in situ with the CaSO4 and the NaCl to form MgCl2, Na2SO4 and CaCO3, especially at advanced tem peratures.

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  • process discription for calcium carbonate stone process

    The present invention provides a process for preparing a precipitated calcium carbonate product. The process comprises the steps of preparing an aqueous suspension of . process flow diagram calcium carbonate

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  • Alkali-Carbonate-Based Carbon Dioxide Absorbent Containing ...

    The present invention relates to a carbon dioxide absorbent, and more particularly, to an alkali-carbonate-based carbon dioxide absorbent containing added sterically hindered cyclic amines, and to a method for removing carbon dioxide using same.

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  • Process For Production Of Nickel Carbonate (Vale S/a)

    Title: Process for production of nickel carbonate. Abstract: Aspects of the present invention refers to a process for production of nickel carbonate including preparing a magnesium salt solution, contacting the solution with a stream of gaseous CO2, keeping pH between 4 and 10 and temperature ...

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  • Process of making an aqueous calcium carbonate suspension ...

    Apr 09, 2002· The present invention has found that the selective order of addition and mixing of the essential components herein provides the stable pH of this suspension and further provides for the formation of a higher concentrated suspension of calcium carbonate …

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  • Toothpaste - Wikipedia

    Toothpaste is a paste or gel dentifrice used with a toothbrush to clean and maintain the aesthetics and health of teeth. ... (OH) 3), calcium carbonate (CaCO 3), various calcium hydrogen phosphates, various silicas and zeolites, ... An analogous invention by Roy Cross, of Kansas City, ...

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  • Present Invention Carbonate - uniqueevent.in

    The present invention relates to a method of manufacturing polyalkylene carbonate including solution-polymerizing an epoxide compound and carbon dioxide. background art Polyalkylene carbonate is a polymer material useful for being used as a packing material, a coating material, and the like.

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  • US Patent # 5,328,615. Alkyl carbonate recovery process ...

    For purposes of the present invention, the alkyl carbonate and hydrocarbon extraction solvent exiting the top of the liquid-liquid extraction column has been designated as the extract stream.

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  • mixture of sodium carbonate and calsium chloride? | Yahoo ...

    Feb 02, 2008· In the process according to the invention, clarification is designed to separate the insoluble materials (particularly the precipitate of heavy metal hydroxides) from the aqueous sodium chloride solution. In accordance with the invention, calcium carbonate is coprecipitated with the heavy metal hydroxides.

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  • calcium carbonate translation French | English-French ...

    carbonator and method for making calcium carbonate: appareil de carbonation et procédé de fabrication de carbonate de calcium: The present invention relates to a method of manufacturing a paper grade containing precipitated calcium carbonate as filler.

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  • companies in the usa grinding calcium carbonate

    The present invention relates to a process for grinding calcium carbonate in , of the United States , Company Limited: Production of aqueous calcium . [Live Chat] Is Eggshell Powder a …

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  • (19) - EPO

    present invention are specified as Al(OH) 3 and Mg(OH) 2, respectively. [0022] The term unplasticized PVC additive relates to one or more additives which are suitable for the production of unplasticized PVC other than the calcium carbonate, the zinc borate, the aluminium hydroxide and the magnesium hydroxide according to the present invention.

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  • Carbonate Thermochemical Cycle for the Production of …

    The subject invention disclosed herein is a new process for producing hydrogen at a much lower temperature (375°C) than that reported in the currently used sulfur-iodine process. The present invention avoids the use of electrolysis and

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  • US5354627A - Molten carbonate fuel cell - Google Patents

    The present invention provides a molten carbonate fuel cell with a porous anode of nickel-base alloy having excellent output characteristics and less deterioration of performance over a long ...

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  • New World Innovations - Aspin Dispensing Bottle Cap

    Calcium carbonate has been proven to offer many health benefits, including bone strength, heart health, colon health, emotional calmness, and the like. The dispenser of the present invention may include a plastic bottle of approximately six fluid ounces.

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  • US Patent for Method of manufacturing polyalkylene ...

    The polyalkylene carbonate prepared by one exemplary embodiment of the present invention is a binary copolymer of ethylene oxide and carbon dioxide, and may include polyethylene carbonate having a weight average molecular weight of 1000 to 500,000.

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  • US Patent for Process for production of nickel carbonate ...

    The present invention refers to a process for production of nickel carbonate from magnesium bicarbonate comprising steps that consider the recycling of the reagent used for producing nickel carbonate. BACKGROUND OF THE INVENTION. Nickel carbonate is a light green powder, odorless and solid, that dissolves in dilute acid and aqueous ammonia, but ...

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  • Generic Fosrenol Availability - Drugs.com

    The present invention includes an oral pharmaceutical capsule comprising a shell, lanthanum carbonate or lanthanum carbonate hydrate, and a lubricant such as talc, wherein the shell encapsulates the lanthanum carbonate or its hydrate and the lubricant. Capsule shells comprise, for example, gelatin.

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  • Propylene carbonate based cleaning compositions - patents.com

    Accordingly, the present invention provides for propylene carbonate based cleaning compositions. The compositions comprise propylene carbonate, a glycol ether, water, and an acid activator. The compositions may optionally also comprise hydrogen peroxide.

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  • Lithium Carbonate-related patent applications

    The present invention provides a method for producing lithium carbonate, that can shorten the time required in the production of lithium carbonate and has excellent maintenance property and production efficiency without forming fixed matters that require complicated procedures to remove in a …

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  • Calcium Carbonate Granulation (Delavau L.l.c.)

    In the preferred practice of the present invention, calcium carbonate granulations are provided. While the following embodiments and examples relate to the preferred calcium carbonate granulations, it should be understood that the methods of the present invention would be useful for granulation of any powdered material.

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  • WO/2016/193982 AMORPHOUS CALCIUM CARBONATE …

    The present invention provides solid compositions of amorphous calcium carbonate (ACC) and a polyphosphate, bisphosphonate or pharmaceutical salts thereof as a stabilizer.

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  • Process for obtaining precipitated calcium carbonate ...

    Apr 07, 2015· The precipitated calcium carbonate seeds of the present invention are characterized by an aragonitic polymorph content greater than or equal to the aragonitic polymorph content of the precipitated calcium carbonate product produced in the second stage.

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  • NADH Patent | Carbonate | Ph - Scribd - Read books ...

    The present invention also provides. NADH and various salts and buffers. buffers and NADH and. Shortly before use. LDH. NADH at a concentration of about 1 to 4 mM and an alkali metal 50 carbonate/bicarbonate buffer at a concentration of 2 to 15 mM.

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  • (12) United States Patent (10) Patent No.: US 9,371.241 B2 ...

    It is a further object of the present invention to provide the various precipitated calcium carbonate products. These and additional objects are provided by the process according to the present invention for the production of pre cipitated calcium carbonate by an “inverse' carbonation pro CCSS,

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  • KR101932365B1 - Carbonate precursors for lithium nickel ...

    Aspect of the present invention is a carbonate precursor, Ni, Mn, and containing Co atoms, the center particle size of 3 ~ 20 ㎛, 10 ~ 200 m 2 / g of BET specific surface area and 1.0 to a tap density of 2.0 g / cm 3 with the provision of the carbonate precursor.

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  • US8431415.pdf - docs.google.com

    region in the present invention is a buffer other than a carbon ate-based buffer. The carbonate-based buffer mentioned here represents a buffer based on a carbonate, and examples of the carbonate-based buffer include sodium carbonate-sodium bicarbonate buffer, potassium carbonate-potassium bicar bonate buffer and the like.

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