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Inventor:
Gancy; Alan B.
Address:
Syracuse, NY
No. of patents:
31
Patents:












Patent Number Title Of Patent Date Issued
RE33095 Magnesium calcium acetate products, and process for their manufacture October 17, 1989
Finely divided ore blends containing chemically active magnesium oxide and calcium oxide are physically combined with a critical amount of water prior to reaction with acetic acid. Intermediate products range in physical consistency from putty-like masses to viscous liquors, depending
RE32609 Continuous process for the manufacture of calcium magnesium acetate deicer February 23, 1988
Finely divided lime, at any degree of slaking, is introduced in a steady stream into an agitated reactor designed to produce pellets or aggregates. Concentrated acetic acid is simultaneously introduced in a steady stream at a rate equal to the chemical combining rate required to produce
4699725 Magnesium calcium acetate products, and process for their manufacture October 13, 1987
Finely divided ore blends containing chemically active magnesium oxide and calcium oxide are physically combined with a critical amount of water prior to reaction with acetic acid. Intermediate products range in physical consistency from putty-like masses to viscous liquors, depending
4673519 Low-energy process for the manufacture of calcium/magnesium acetate-chloride deicers and freezin June 16, 1987
Several novel means are presented of chemically combining calcium/magnesium acetate with calcium chloride to form a series of calcium magnesium acetate-chloride triple-salts. The low-cost processes are carried out using minimal proportions of water, and no co-products or by-products are
4606836 Continuous process for the manufacture of calcium magnesium acetate deicer August 19, 1986
Finely divided lime, at any degree of slaking, is introduced in a steady stream into an agitated reactor designed to produce pellets or aggregates. Concentrated acetic acid is simultaneously introduced in a steady stream at a rate equal to the chemical combining rate required to produce
4511485 Nonpolluting salts and method of making same April 16, 1985
A reduced pollutant-containing salt mixture and method of making same is provided wherein a salt mixture partially comprised of calcium acetate and partially comprised of at least one other pollutant salt is produced by mixing a pollutant salt-containing solution and a calcium acetat
4488978 Coarse-particle calcium/magnesium acetate suitable for roadway and walkway deicing, and process December 18, 1984
A process for the manufacture of calcium acetate pellets suitable for surface deicing, which comprises slow addition of water to dried calcium acetate or to calcium acetate freshly prepared from reaction of hydrated or unslaked lime with concentrated acetic acid, in an agitated vessel
4444672 Process of making calcium acetate deicing agents and product April 24, 1984
A process of making a calcium acetate-containing solution having a pH value at room temperature between about 7 and about 8 is provided comprising reacting acetic acid with a carbonate compound, adding calcined limestone, and optionally finishing off the acid-base reaction with an amount
4430242 Novel road and highway deicer and traction agent, and process for its manufacture February 7, 1984
A process of reacting aqueous acetic acid and crushed raw limestone in such a way as to produce a mixture of calcium acetate, calcium acid-acetate, and unreacted raw limestone devoid of undesirable fine limestone. Such a product is useful in winter highway treatment, where the environmen
4429065 Controlled density hydraulic fluids January 31, 1984
A variable density fluid is provided comprising a multiplicity of polymer micro-particles or polymer microfilaments added to a suspending liquid. By varying the density, shape, size, and material of construction of the added micro-particles or microfilaments, the physical properties of t
4426308 Process of making calcium acetate deicing agents January 17, 1984
A process of making a calcium acetate-containing solution having a pH value at room temperature between about 7 and about 8 is provided comprising reacting acetic acid with a carbonate compound, adding calcined limestone, and optionally finishing off the acid-base reaction with an amount
4400285 Water-activated exothermic chemical deicing formulations August 23, 1983
Chemical formulations containing calcium oxide, or unslaked calcined limestone, and a chemical deicing agent. The formulations liberate heat upon contacting ice or snow and materially assist the normal deicing function. Deicer options include calcium acetate, sodium acetate, magnesiu
4389323 Process of making two uniform grades of calcium magnesium acetate June 21, 1983
A process of making different grades of calcium magnesium acetate deicing agents, having substantially uniform but different calcium-to-magnesium mole ratios, from limestone having varying proportions of calcium carbonate and magnesium carbonate, is provided wherein limestone contain
4377488 Process of making calcium acetate deicing agents March 22, 1983
A process of making a calcium acetate-containing solution having a pH value at room temperature between about 7 and about 8 is provided comprising reacting acetic acid with a carbonate compound, adding calcined limestone, and optionally finishing off the acid-base reaction with an amount
4284611 Aqueous phosphate-stabilized polyaluminum sulfate solutions and preparation thereof August 18, 1981
A physically and functionally stable solution for water treatment comprises an about 1.2-2.7 molar aqueous phosphate-stabilized polyaluminum sulfate solution of a composition having the formulawhereinx is about 1.2 to 1.62;y is about 0.595 to 0.87; andz is about 0.06 to 0.19with the proviso
4260846 Continuous cyclic process for alkylation of hydrocarbons April 7, 1981
An improved cyclic process for the alkylation of isoparaffins with olefins in the presence of a circulating concentrated sulfuric acid catalyst is disclosed. Improvement in the octane rating of the product alkylate is achieved by periodic fortification of the sulfuric acid catalyst with
4238347 Amorphous polyaluminum sulfate compositions December 9, 1980
A process is disclosed for preparation of an amorphous polyaluminum sulfate composition of the formulawhereinx is about 0.75 to 1.5y is about 0.7 to 1.07z is about 0 to 0.2w is about 2.0 to 4.2with the proviso that the sum x+2y+z is 3. Water is withdrawn from a fairly fresh polyaluminum sulf
4238305 Electrodialytic process for the conversion of impure soda values to sodium hydroxide and carbon December 9, 1980
An electrodialytic process for the conversion of soda sources containing anionic and optionally nonionic impurities to high purity, high strength sodium hydroxide and carbon dioxide gas is disclosed.
4219396 Electrodialytic process August 26, 1980
An improved process for the electrodialysis of aqueous NaCl which operates at high current efficiency and low unit cell voltage drop to produce high strength, high purity Na.sub.2 CO.sub.3 and either high purity HCl or CaCl.sub.2 by utilizing cation permselective, anion permselective and
4151261 Method of preparing sodium liquors low in calcium April 24, 1979
A method for dissolving calcined trona containing calcareous impurities, to obtain an aqueous sodium carbonate solution having low calcium content involves contacting calcined trona in countercurrent flow, desirably under specific temperature conditions, with dilute sodium carbonate solu
4148836 Process for reducing water content of sulfuric acid in hydrocarbon alkylations April 10, 1979
An improved process for the alkylation of isoparaffins by olefins in the presence of a sulfuric acid catalyst is disclosed. Improvement in the octane rating of the product alkylate is achieved by the periodic fortification of the sulfuric acid catalyst with sulfur trioxide-bearing fo
4115525 Absorptive low bulk density product from sodium sesquicarbonate September 19, 1978
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 agent and with good resistance to breakage and attrition and with mild alkalinity of less
4115219 Brine purification process September 19, 1978
In a process for purifying raw brine containing dissolved strontium, calcium and magnesium impurities wherein the raw brine is treated by contacting the brine with sodium carbonate for precipitation of strontium and calcium carbonate, contacting the brine containing the strontium and
4044097 Recovery of soda values from sodium carbonate crystallizer purge liquors August 23, 1977
Soda values from the crystallizer mother liquor purge in the process of making sodium carbonate from trona are recovered by (1) mixing the purge with treating agent of magnesium oxide, aluminum oxide, bauxite, certain fine particle size calcined trona, insoluble impurities obtained in th
4039618 Treatment of sodium carbonate crystallizer mother liquors August 2, 1977
In the process for making sodium carbonate from trona, the soluble silicate content of crystallizer mother liquor from which sodium carbonate precursor crystals are obtained by evaporative crystallization is reduced by digesting the mother liquor at elevated temperature in the presence o
4022867 Soluble silicate reduction in sodium carbonate crystallizer mother liquors May 10, 1977
In the process for making sodium carbonate from trona, the soluble silicate content of crystallizer mother liquor from which sodium carbonate precursor crystals are obtained by evaporative crystallization is reduced by the method which comprises:1. digesting said mother liquor at elevate
4021526 Soluble silicate reduction in calcined trona liquors May 3, 1977
In the process of making sodium carbonate from trona by the method involving crushing the trona, calcining it and dissolving it in an aqueous medium for purification by crystallization, soluble silicate contamination of the crystallization liquor is reduced by an improvement which involv
3991160 Recovery of soda values from sodium carbonate crystallizer purge liquors November 9, 1976
Soda values from the crystallizer mother liquor purge in the process of making sodium carbonate from trona are recovered by (1) mixing the purge with treating agent of magnesium oxide, aluminum oxide, bauxite, certain fine particle size calcined trona, insoluble impurities obtained in th
3984527 Production of low bulk density product from sodium bicarbonate by the use of an inert gas stream October 5, 1976
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 aqueous feed mixture comprising, by weight, at least about 50% sodium bicarbonate and about 15
3981965 Suppression of water pollution caused by solid wastes containing chromium compounds September 21, 1976
A method of treating solid waste material containing minor amounts of water soluble chromium compounds with a reductant, particularly sulfide ions, to convert the soluble chromium to an insoluble state, and produce a solid waste from which substantially no chromium can be leached by wate
3944500 Production of low bulk density product from sodium bicarbonate March 16, 1976
Low bulk density products containing at least 10% Wegscheider's Salt (Na.sub.2 CO.sub.3.3NaHCO.sub.3), by weight, in needlelike form are produced from sodium bicarbonate by heating in two distinct steps an aqueous feed mixture comprising by weight at least about 50% sodium bicarbonat










 
 
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