This invention provides a concentrated demulsifier composition comprising A) at least 50 wt.-% of a demulsifier, selected from the group consisting of a polymeric nonionic oil-soluble demulsifier for mineral oils, and an alkyl aryl sulphonic acid or its salt, and mixtures thereof, B) 0.1 to 20 wt.-% of a surfactant selected form anionic, cationic, zwitterionic and nonionic surfactants, the surfactant being different from the demulsifier, C) less than 20 wt.-% of a water-immiscible organic solvent, D) 3 to 49 wt.-% of a water-miscible organic solvent and E) 0 to 5 wt.-% of water.
C09K 8/584 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
C10G 33/04 - De-watering or demulsification of hydrocarbon oils with chemical means
C11D 1/00 - Detergent compositions based essentially on surface-active compoundsUse of these compounds as a detergent
2.
Stable aqueous composition of neutral collectors and their use in mineral beneficiation processes
The instant invention relates to a composition in form of a stable aqueous emulsion comprising a) 1 - 50 wt.-% of at least one water insoluble thionocarbamate collector selected from the group consisting of dialkyi thionocarbamates, alkyl alkoxycarbonyl thionocarbamates and alkyl allyl thionocarbamates, b) 1 - 50 wt.-% of one or a mixture of surface active agents of the general formula (I) wherein R1 is a saturated or unsaturated, branched or linear C3 to C30 aliphatic or aromatic hydrocarbon group, R2 and R3 are independently from each other hydrogen or a C1 to C4 alkyl group, R4 is hydrogen or -CH2-COOX where X is hydrogen or sodium salt or potassium salt or ammonium salt, and n and m are independently from each other 0 to 50, 0.1 - 20 wt.-% of a mixture of at least one alcohol and at least one ether and/or ester, e) 1 - 90 wt.-% of water.
The present invention relates to a catalyst for steam reforming processes, especially for the low-temperature water gas shift reaction step of steam reforming processes. The catalyst is constituted of copper, zinc and aluminium oxides, and has a sodium content from 200 ppm to 1200 ppm. The use of these catalysts in the LTS step reduces the formation of byproducts, in particular methanol, while retaining high activity and stability of the conversion reaction of carbon monoxide with steam.
B01J 23/80 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with zinc, cadmium or mercury
C01B 3/32 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
5.
Reverse iron ore flotation by collectors in aqueous nanoemulsion
The present invention relates to a process for concentration of silicate-containing minerals and ores by froth flotation, in particular to a reverse flotation process, in the presence of a finely dispersed collecting agent characterized by a specific droplet size distribution.
This invention relates to a cementitious composition comprising 70 - 99 wt.-% of a) an inorganic carrier for biocidally active compounds, and b) 0.1 - 20 wt.-% of at least one bactericidally active compound, and c) 0.1 - 25 wt.-% of at least one fungicidally active compound, and wherein the antimicrobial composition is present in an amount of 0.01 to 10 wt.-%, based on the weight of the cementitious composition.
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
The invention relates to a flotation agent for phosphate ore, comprising at one fatty acid and at least one sarcosinate of the formula (I) wherein R is a C7 to C21 alkyl or alkenyl group, which sarcosinate may be present in the form of a cation derived therefrom caused by protonation of the nitrogen atom, wherein the amount of fatty acid is from 70 to 99 wt.-%, and wherein the amount of the sarcosinate of the formula (I) is from 1 to 30 wt.-%.
The invention relates to a flotation agent for phosphate ore, comprising at one fatty acid and at least one sarcosinate of the formula (I) wherein R is a C7 to C21 alkyl or alkenyl group, which sarcosinate may be present in the form of a cation derived therefrom caused by protonation of the nitrogen atom, wherein the amount of fatty acid is from 70 to 99 wt.-%, and wherein the amount of the sarcosinate of the formula (I) is from 1 to 30 wt.-%.
This invention relates to an composition, comprising A) at least one quaternary ammonium compound which is a collector for the reverse flotation of magnesium minerals from calcium carbonate B) at least one antifoam agent C) a solvent and its use in the reverse flotation of calcium carbonate.
Absorbent composition designed for removing contaminants, mainly sulfur compounds, contained in liquid and gaseous streams, a method for obtaining a designed absorbent composition, a method for removing impurities, mainly sulfur compounds, including hydrogen sulfide, contained in liquid or gaseous streams, and use of an absorbent composition
The present invention relates to an absorbent composition composed of an iron oxide and/or hydroxide, activated carbon, promoters and binders, in the form of extruded tablets or granules, capable of absorbing impurities from fluid streams in order to eliminate the impurities, mainly sulfur compounds, contained in these streams. The present invention also relates to the methods for obtaining the absorbents, and to the use thereof for eliminating impurities contained in liquid and gaseous streams.
B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
B01J 20/30 - Processes for preparing, regenerating or reactivating
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
C10K 1/32 - Purifying combustible gases containing carbon monoxide with selectively absorptive solids, e.g. active carbon
C10G 25/00 - Refining of hydrocarbon oils, in the absence of hydrogen, with solid sorbents
B01J 20/06 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group
The instant invention relates to a binder composition for pelletization of fine mineral particles comprising a) at least one colloid agent which exerts a cohesive force on the mineral particles forming the pellets, and b) at least one synthetic polymer which disperses mineral particles evenly in the pellets.
C22B 1/243 - BindingBriquetting with binders inorganic
C22B 1/244 - BindingBriquetting with binders organic
12.
ABSORBENT COMPOSITION DESIGNED FOR REMOVING CONTAMINANTS, MAINLY SULPHUR COMPOUNDS, CONTAINED IN LIQUID AND GASEOUS STREAMS, METHOD FOR OBTAINING A DESIGNED ABSORBENT COMPOSITION, METHOD FOR REMOVING IMPURITIES, MAINLY SULPHUR COMPOUNDS, INCLUDING HYDROGEN SULPHIDE, CONTAINED IN LIQUID OR GASEOUS STREAMS, AND USE OF AN ABSORBENT COMPOSITION
The present invention relates to an absorbent composition composed of an iron oxide and/or hydroxide, activated carbon, promoters and binders, in the form of extruded tablets or granules, capable of absorbing impurities from fluid streams in order to eliminate the impurities, mainly sulphur compounds, contained in these streams. The present invention also relates to the methods for obtaining these absorbent compositions, and to the use thereof for eliminating impurities contained in liquid and gaseous streams.
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/30 - Processes for preparing, regenerating or reactivating
13.
Reverse iron ore flotation by collectors in aqueous nanoemulsion
The present invention relates to a process for concentration of silicate-containing minerals and ores by froth flotation, in particular to a reverse flotation process, in the presence of a finely dispersed collecting agent characterized by a specific droplet size distribution.
patents
