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7588697 |
Coated sodium percarbonate granules with improved storage stability
The invention concerns coated sodium percarbonate granules comprising a core produced by fluidized bed spray granulation, containing sodium percarbonate as its main component, an inner coating...
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6576209 |
Process for producing sodium salts
A process for producing sodium salts, which comprises adding solid sodium carbonate to a first aqueous solution containing sodium carbonate and sodium hydrogencarbonate, to prepare a second aqueous...
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6221233 |
Aluminum production utilizing positively charged alumina
The smelting of aluminum from alumina in the Hall-Heroult process can be dramatically improved by lowering power consumption and in the use of carbon free anodes by using a feed of positively...
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5112592 |
Process for curing bicarbonates
A process for reducing the amount of residual carbonate on alkali metal bicarbonates which comprises: (a) feeding a dry bicarbonate into a reaction zone, (b) admixing the bicarbonate with...
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5034114 |
Acid neutralizing combustion additive with detergent builder
Boiler fouling, particularly in air preheater section, is minimized by combining with a substance designed to neutralize acids a detergent builder such as the sodium, potassium and ammonium...
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4652437 |
Process for producing anhydrous sodium carbonate
A process for producing anhydrous sodium carbonate by the pyrolysis of wet sodium bicarbonate, which comprises (a) a step of forming a complex salt selected from the group consisting of Na 2 CO 3...
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4564508 |
Process for the recovery of sodium carbonate from salt mixtures
Mined salt mixtures comprising sodium-carbonate, -bicarbonate, -chloride, -sulfate, and -double salts, such as trona and burkeite, are leached with a bicarbonate-saturated solution and added carbon...
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4459272 |
Dry carbonation process
A process for the dry carbonation of an ammonium or alkali metal carbonate containing material, or a mixture thereof, for conversion to the corresponding bicarbonate containing material comprising...
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4285925 |
Process for the conversion of light ash to absorptive low bulk density alkali products
A method for production of absorptive particles of Wegscheider's Salt (Na 2 CO 3 .3NaHCO 3 ) having low bulk density and acceptable flow properties, by reaction of anhydrous sodium carbonate...
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4283372 |
Recovery of alkali values from sodium bicarbonate-containing ore with ammonia
A method for recovering alkali value from sodium bicarbonate-containing ore by utilizing an aqueous solvent containing ammonia. The aqueous ammonia solvent is contacted with the ore to solubilize...
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4151266 |
Method for the conversion of anhydrous sodium carbonate to Wegscheider's Salt
A one-stage method for production of free-flowing, absorptive particles of Wegscheider's Salt (Na 2 CO 3 3NaHCO 3 ), having a low bulk density, low alkalinity and low friability, by reaction...
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4116757 |
Solar evaporation of alkaline trona-process waste pond liquors with acid black 2 and acid green 1
A process is provided for increasing the rate of solar evaporation of water from alkaline trona-process waste liquors which comprises introducing to the waste liquors an effective amount of a dye...
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4115525 |
Absorptive low bulk density product from sodium sesquicarbonate
Conversion of sodium sesquicarbonate particles to particles of lower bulk density, as low as 180 grams per liter, with high absorption property capable of absorbing as much as 40 percent of wetting...
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3984527 |
Production of low bulk density product from sodium bicarbonate by the use of an inert gas stream
Low bulk density products containing at least 10% Wegscheider's Salt, by weight, in needlelike form are produced from sodium bicarbonate by heating in the presence of a slow inert gas stream an...
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3981686 |
Clarifier process for producing sodium carbonate
Method for clarifying a carbonate process solution containing suspended insolubles which solution is used in the preparation of crystals selected from the group consisting of sodium bicarbonate,...
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3485578 |
SODIUM SESQUICARBONATE-CONTAINING COMPOSITION AND ITS METHOD OF PREPARATION
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3455647 |
PROCESS FOR PRODUCING SODIUM SESQUICARBONATE AND SODA ASH FROM TRONA
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3328130 |
Dissolution of trona at elevated temperature and pressure
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3273959 |
Process of recovering sodium carbonate from the mother liquor bleed
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3260567 |
Process for the recovery of soda ash from wyoming trona
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3248182 |
Crystallization of sodium sesquicarbonate in presence of a surfactant and a hydrocarbon oil
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3245755 |
Preparation of soda ash from trona with reduction of iron impurity
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3235329 |
Novel sodium carbonate-sodium bicarbonate compositions
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3211519 |
Method of controlling sulfide concentration to prevent iron contamination in the processing of trona
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3188170 |
Preparation of sodium carbonate from crude sodium bicarbonate and sodium carbonate monohydrate
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3119655 |
Evaporative process for producing soda ash from trona
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3113834 |
Dense sodium carbonate process
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3084026 |
Method of producing soda ash from crude trona
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3028215 |
Preparation of sodium carbonate
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2842489 |
Production of soda ash
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2798790 |
Production of sodium sesquicarbonate
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2792282 |
Method of producing refined soda ash from trona
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2780520 |
Carbonation of recycle liquor in sodium sesquicarbonate production
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3751560 |
Title is not available
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3701737 |
Title is not available
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3695831 |
Title is not available
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