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| Number | Title | Issue Date |
| 6337058 | Process for producing calcium sulfide A process and apparatus for producing calcium sulfide is provided comprising a container housing one or more drums, each drum having a substantially horizontal longitudinal center axis and containing one or more screw conveyors therein. Multiple drums are... | 01/08/2002 |
| 6267912 | Distributed injection catalytic partial oxidation process and apparatus for producing synthesis gas A novel injector/reactor apparatus and an efficient process for the partial oxidation of light hydrocarbon gases, such as methane, to convert such gases to useful synthesis gas for recovery and/or subsequent hydrocarbon synthesis. Sources of a light hydro... | 07/31/2001 |
| 6251346 | Solution mining of carbonate/bicarbonate deposits to produce soda ash A solution mining process for recovering sodium values from an underground deposit of a sodium bicarbonate containing ore is disclosed. The process involves contacting the ore with an aqueous sodium carbonate-containing solution to produce a dilute brine ... | 06/26/2001 |
| 6231631 | Compost excellent in fertilizing activity and production method thereof Compost of the present invention has a weight ratio (C/N) of carbon (C) to nitrogen (N) of 9.5 or less on completion of a compost treatment. Further, a method of the present invention for producing the compost comprises the steps of providing a compost ma... | 05/15/2001 |
| 6231624 | Process for continuous dry granulation of powered carbon black A process for continuous dry granulation of powdered carbon black. Granulation is performed with the assistance of a granulator. As a result, for comparable sized equipment, the carbon black throughput can be increased several times as compared with pelle... | 05/15/2001 |
| 6221332 | Multiple stream high pressure mixer/reactor Enhanced macromixing, mesomixing, and micromixing of multiple discrete reactant streams, particularly for precipitation reactions of low density pumpable fluids, are obtained by controlled continuous high pressure multiple reactant streams flowing into a ... | 04/24/2001 |
| 6221325 | Process for controlling ammonia slip in the reduction of sulfur dioxide emission A wet flue gas desulfurization process for removing sulfur dioxide from flue gases. The process utilizes an ammonium sulfate scrubbing solution containing free dissolved ammonia as the reagent for the desulfurization process to produce ammonium sulfate as... | 04/24/2001 |
| 6217628 | Processes and apparatus for preparing compost The present invention relates to a process for producing compost, characterized in that when the compost is produced by inoculating aerobic composting seed bacteria to an organic waste material, the process comprises: supplying oxygen while the waste mate... | 04/17/2001 |
| 6214303 | Method and apparatus for treating the atmosphere Method and apparatus for treating the atmosphere to lower the concentration of pollutants therein in which ambient air is passed into operative contact with a stationary substrate having at least one ambient air contacting surface having a pollutant treat... | 04/10/2001 |
| 6214311 | Process for direct reduction of sulfur compounds to elemental sulfur in combination with the claus process The present invention is a process wherein a process gas comprising at least SO2 and H2S is reacted across a stage of SO2 reducing catalyst, thereby obtaining high conversion of at least the SO2 to elemental sulfur.... | 04/10/2001 |
| 6210645 | Honeycomb regenerator A honeycomb regenerator is constructed by (a) honeycomb structural bodies arranged in a high temperature portion, in which a temperature is over 1250° C. during a normal operation, made of aluminum-titanate or a combination of aluminum-titanate and mulli... | 04/03/2001 |
| 6206947 | Process for making an animal litter comprising gypsum, aluminum sulfate and urea There is provided an animal litter composition of agglomerated or compacted calcined calcium sulfate absorbent. The animal litter is screened to a particle size between 6 mesh and about 100 mesh. In another aspect of the invention, an effective amount of ... | 03/27/2001 |
| 6206945 | Method of producing artificial guano High-nitrogen, high-phosphorus fertilizer is produced from animal wastes by mixing the waste with water and soft-burned dolomite, recovering ammonia that is liberated with an aqueous acidic medium, neutralizing the mixture, combining the ammonium salt rec... | 03/27/2001 |
| 6204430 | Hexametaphosphate as an agent for treating wastes, preparing construction materials and stabilizing soils The current invention provides methods for stabilizing wastes, preparing construction materials and stabilizing soils using compositions including hexametaphosphate, with or without other additives. More particularly, one method of the invention discloses... | 03/20/2001 |
| 6200542 | Method and apparatus for treating the atmosphere Method and apparatus for treating the atmosphere to lower the concentration of pollutants therein in which ambient air is passed into operative contact with a stationary substrate such as an automobile at rest, a billboard, an air conditioning unit, a tra... | 03/13/2001 |
| 6197073 | Process for producing aluminum oxide beads In order to produce aluminium oxide beads, an acid aluminium oxide sol or an acid aluminium oxide suspension is converted into droplets by a vibrating nozzle plate and pre-solidified after the formation of a bead shape by laterally blowing gaseous ammonia... | 03/06/2001 |
| 6190627 | Method and device for cleaning the atmosphere Method for treating atmospheric pollutants by contacting the atmosphere with a catalyst composition or adsorptive material coated on the surface of a substrate in which the catalyst composition or adsorptive material is protected from degradation by harmf... | 02/20/2001 |
| 6190636 | Chloro-hydrogenation of sodium sulfate and other alkali-metal sulfates A novel method is described whereby chlorine and sodium sulfate waste by-products from chemical by-products are recycled to form useful chemicals. Sodium sulfate is first reacted to form a metal sulfate and sodium chloride. The sodium chloride may be used... | 02/20/2001 |
| 6187281 | Process for the thermal preparation of tin (IV) sulfides The invention relates to a process for the preparation of SnS2 and comprises reacting SnSO4, tin(II) formate or tin(II) oxalate with sulfur under a standard atmosphere or under protective gas without addition of halide-containing sub... | 02/13/2001 |
| 6183531 | Mineral wool plant substrate Mineral wool plant substrate formed of a coherent matrix of mineral wool having 99.9 to 75 wt % mineral wool and 0.1 to 25 wt % of an organic substance. Clay may be included in the matrix. The matrix may be in the form of a pellet.... | 02/06/2001 |
| 6180079 | Wet oxidizing process In wet oxidizing process of an aqueous alkali waste which contains absorbed hydrogen sulfide and carbon dioxide, a convenient method for improving the safety in oxidizing operation and the efficiency in oxidation reaction. The process is characterized in ... | 01/30/2001 |
| 6180080 | Removal of thiosulfate from Stretford solution with hydrogen peroxide A process for the removal of thiosulphate from spent Stretford solution, The process comprises adjusting the spent Stretford solution to an acidic pH, preferably in the range of 1 to 3, and adding a peroxygen compound. The process allows the user to recyc... | 01/30/2001 |
| 6174509 | Pure fused silica, furnace and method An article of relatively pure silica, and a furnace and method of producing the article. The article is produced by collecting molten silica particles (24) in a refractory furnace in which at least a portion of the refractory has been exposed to a halogen... | 01/16/2001 |
| 6174510 | Multi-pass cocurrent flow sulfuric acid tower process A process for the absorbing of a hot, dry gas stream of sulfur trioxide (SO3) in a stream of strong sulfuric acid. The process includes the steps of passing the hot, dry gas stream of SO3 into a sulfuric acid absorption tower above a... | 01/16/2001 |
| 6165245 | Foliar fertilizer and method for using the same Foliar fertilizer compositions and methods for their use are provided. The subject compositions are aqueous solutions of at least one coenzyme, where the coenzyme(s) is preferably a vitamin B, and more preferably folic acid and/or pyridoxine, where in man... | 12/26/2000 |
| 6162273 | Floral foam for cut flowers A floral foam which contains nutrients an preservatives for cut flowers is described, which floral foam has been pre-injected with nutrients and preservatives in an amount of 8-12 g per dm3 water which can be absorbed by the foam. A method for ... | 12/19/2000 |
| 6162263 | Method for producing and shipping metal cyanide salts Metal cyanide suitable for shipment is prepared by introducing an aqueous metal cyanide feed stream to a crystallizer to form a slurry of metal cyanide crystals in their mother liquor. The crystallization step occurs at a temperature between 30° C. and 7... | 12/19/2000 |
| 6159442 | Use of multiple stream high pressure mixer/reactor Processes for use of a controlled continuous high pressure multiple reactant streams flowing into a chemical mixer/reactor. Individual reactant streams are pressurized to about 8,000 to 50,000 psi and achieve velocities up to about 250 meters/second in th... | 12/12/2000 |
| 6160195 | Use of reagents to convert chrysotile and amosite asbestos used as insulation or protection for metal surfaces A composition for converting asbestos-containing material, covering metal pipes or other metal surfaces, to non-regulated, environmentally benign-materials, and inhibiting the corrosion of the metal pipes or other metal surfaces. The composition comprises... | 12/12/2000 |
| 6159252 | Process and device for producing granulates by fluidized bed spray granulation This invention relates to a process for the production of granulates by fluidized bed spray granulation and to a device for this purpose. Liquid starting materials may be converted into granulates by fluidized bed spray granulation. In order to ensure ele... | 12/12/2000 |
| 6156283 | Hydrophobic catalytic materials and method of forming the same A catalytic composition and method of making the same in which a catalytic material has an average pore size distribution sufficiently large to substantially prevent capillary condensation.... | 12/05/2000 |
| 6126913 | Thermal oxidizers with improved preheating means and processes for operating same The present invention provides thermal oxidizers containing improved preheating designs and processes for improving the preheating of thermal oxidizers. The processes are practiced by preheating the matrix-bed of matrix materials in a flow path that is op... | 10/03/2000 |
| 6123747 | Apparatus and method for manufacturing barnyard manure using sewage and sludge An apparatus and method for manufacturing barnyard manure using sewage and night-soil sludge for use in farmlands and flower gardens so as to prevent secondary contamination of the environment quickly, at a low cost, and with high efficiency.... | 09/26/2000 |
| 6121506 | Method for destroying energetic materials Energetic materials, such as nitrocellulose, TNT, RDX, and combinations thereof, optionally in combination with chemical warfare agents, such as mustard gas, Lewisite, Tabun, Sarin, Toman, VX, and combinations thereof, are destroyed when chemically reacte... | 09/19/2000 |
| 6120747 | Catalyst for removing organic halogen compounds, preparation method therefor and method for removing organic halogen compounds The present invention provides a catalyst having excellent capability of removing organic halogen compounds such as dioxins, a method for preparing the catalyst, and a method for removing organic halogen compounds using the catalyst. A catalyst for removi... | 09/19/2000 |
| 6114273 | Method for sox removal by catalytic carbon An improved process is provided for the removal of sulfur oxides from gas or vapor media containing oxygen and H2 O by contacting the media with a catalytically-active carbonaceous char. The improvement is provided by the use of a catalytically... | 09/05/2000 |
| 6110317 | Decorative design method and products A new method for the production of decorative designs on substrates, e.g., furniture and building walls, basically includes the steps of (a) providing a design printed on a flat release sheet, the design comprising a picture side in contact with the relea... | 08/29/2000 |
| 6103773 | Gas conversion using hydrogen produced from syngas for removing sulfur from gas well hydrocarbon liquids A gas conversion process comprising synthesis gas production, hydrocarbon synthesis and hydrogen production from the synthesis gas, also includes hydrodesulfurizing sulfur-containing hydrocarbon liquids separated from a mixture of natural gas and the liqu... | 08/15/2000 |
| 6099595 | Process for the preparation of crystalline sodium silicates The invention relates to a process for the preparation of crystalline sodium silicates having a sheet structure and high δ phase content from water glass, which has been prepared hydrothermally, by dehydration of the water glass and subsequent crystalliz... | 08/08/2000 |
| 6096682 | Process for the production of a catalyst body for the catalytic treatment of gas, catalyst body and catalytic converter For the production of a catalyst body for the catalytic treatment of gas, in particular for the purification of exhaust gas, flat and corrugated sheet metal members having a metallic core and coatings are formed, which coatings comprise a nonmetallic wash... | 08/01/2000 |
