Abstract: The instant invention is directed to a method of reducing the viscosity of an aqueous coal fine slurry which comprises adding poly (dimethyl diallyl ammonium chloride) to the slurry.

Abstract: The instant invention is directed to a process for inhibiting corrosion and the formation and deposition of scale in aqueous systems, comprising adding to the system at least 0.1 ppm of a water-soluble polymer having an intrinsic viscosity of 0.05 to 2.5, prepared from:(a) 50 to 90%, by weight, of an unsaturated carboxylic acid, or its salt;(b) 5 to 40%, by weight, of an unsaturated sulfonic acid, or its salt; and(c) 5 to 40%, by weight, of an unsaturated quaternary ammonium compound.The instant invention is also directed to a water soluble polymer, having an intrinsic viscosity of 0.05 to 2.

Abstract: The instant invention is directed to a polyampholyte polymer, having an intrinsic viscosity of 0.05 to 4.5 dl/g in 1.0 M NaCl, prepared from 32.5 to 90 percent acrylic acid and/or methacrylic acid, 1.5 to 65 percent, by weight, of acrylamide and 0.5 to 25 percent, by weight, of dimethyldiallyl ammonium chloride and/or diethyldiallyl ammonium chloride.

Abstract: The instant invention is directed to an activated carbon impregnated with 0.1 to 10 percent, by weight, of an amine compound, which is solid and sublimes at 40.degree. C. or above, and having a moisture content after impregnation of 5.0 percent or less, by weight.The instant invention is also directed to a process for impregnating carbon comprising allowing an amine compound, which is solid and sublimes at the temperature at which said amine is applied, to sublime in the presence of an activated carbon.The instant invention is also directed to the use of the impregnated carbon in removing toxic gases from a gas stream comprising passing the gas stream through the impregnated carbon.

Abstract: The instant invention is directed to a method for preparing free-flowing, water-soluble polymer gels comprising:(a) reducing the size of water-soluble polymer gels by a size-reduction means, so as to produce polymer gel particles which are less than 1/2 inch in their longest dimension; and(b) adding to the size-reduced polymer gels of Step (a) 0.001 to 20 percent, by weight, of an amphipathic compound, thereby reducing the adhesion of said gel particles to themselves and other substances.The instant invention is also directed to a free-flowing, water-soluble polymer gel admixture comprising:(a) size-reduced, water-soluble polymer gel particles, wherein said gel particles are less than 1/2 inch in their longest dimension; and(b) an amphipathic compound.

Abstract: Use of activated carbon having a net pore volume of at least 0.40 cc./gram for those pores having a pore diameter of from 35 to about 1000 .ANG. to remove dissolved organic components from a uranium leachate solution.

Abstract: The instant invention is directed to a method for reducing the formation of silica deposits in an aqueous system comprising adding an effective amount, preferably at least 0.1 ppm, of a carboxylic functional polyampholyte or the salt thereof to said aqueous system.

Abstract: A process for the purification of sugar liquors with activated carbon is described. The use of activated carbon with an iodine number at least 1200 and an average particle size in the range of 0.4 mm to 4.0 mm allows for increased flow rates resulting in high yield of purified sugar liquors.

Abstract: The instant invention is directed to a method of inhibiting and dispersing calcium oxide deposit formation in coal-fired lime kilns, comprising burning the coal in the presence of from 1 to 2 pounds/ton of coal of a blend of 80 to 95%, by weight, magnesium oxide and 5 to 20%, by weight, copperoxychloride.

Abstract: The instant invention is directed to a method of recovering oil and/or gas from a subterranean formation which is penetrated by a well bore, and for reducing the concomitant production of reservoir water therefrom comprising injecting into said formation through said well bore an aqueous treating solution or emulsion containing a polyampholyte prepared from:(i) 40 to 90%, by weight, of at least one anionic-containing monomer;(ii) 0.5 to 60%, by weight, of at least one cationic-containing monomer; and(iii) 0 to 59.5%, by weight, of at least one non-ionic monomer.

Abstract: Antimicrobial compounds of the formula: ##STR1## wherein: Hal is bromine or chlorine; andR is halo; mono- or di-substituted mono- or diloweralkylamino wherein the loweralkyl substituents are hydroxy or loweralkanoyloxy; 4-morpholino; thiocyano; mercapto; straight or branched chain C.sub.1-8 alkylthio; mono- or di-substituted loweralkylthio wherein the substituents are hydroxy, amino, loweralkanoylamino, or loweralkoxycarbonyl; arylthio; loweralkylsulfoxy; or loweralkylsulfonyl; andR.sup.1 is C.sub.6-12 alkyl;are useful in various agricultural and industrial applications.

Abstract: A method of controlling Corbicula in aqueous systems comprising treating said systems with a cationic polymer. A preferred polymer is a poly (quaternary ammonium) compound having the recurring structure:[DMDAAX.sup..crclbar. ]where DMDAAX.sup..crclbar. is a polymer unit resulting from monomeric dimethyldiallylammonium X.sup..crclbar. ; and X.sup..crclbar. is an anion; said polymer preferably having a weight average molecular weight of from about 200,000 to 400,000.

Abstract: Gas mixtures are separated on a two column molecular sieve pressure swing adsorption (PSA) system to produce an enriched gas stream. This process features the use of a product gas purge, an inlet vent gas and feed gas for the repressurization of a regenerated column and does not require vacuum or an air receiver.

Abstract: The instant invention is directed to a process for lowering the electrical resistivity of fly ash comprising adding a cationic or anionic polymer to the fly ash.

Abstract: The instant invention is directed to a process for the production of high molecular weight water-in-oil polymer emulsions of cationic polymers.