| Patents for B09C 1 - Reclamation of contaminated soil (11,202) |
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| 04/02/1992 | DE4030416A1 Decontaminating soil by treatment after excavation - by using drying and desorption stages pt. of steam used for drying serving also as desorption medium |
| 03/31/1992 | US5100800 Microorganism for degrading toxic waste materials |
| 03/31/1992 | US5100455 Mixing composted material with hydrocarbon or chlorohydrocarbon contaminated material and allowing microbes to destroy the hydrocarbons |
| 03/31/1992 | US5100259 Cold cap subsidence for in situ vitrification and electrodes therefor |
| 03/31/1992 | US5099920 Small diameter dual pump pollutant recovery system |
| 03/26/1992 | DE4030143A1 Fine fractions sepn. appts. from liq. and/or solid - comprises separators removing particles from slurry, coarse fraction obtd. from final separator and recycled |
| 03/25/1992 | EP0476469A2 Method for applying a biodegradable protein foam to a substrate |
| 03/24/1992 | US5098538 Electroacoustic soil decontamination |
| 03/24/1992 | US5098481 Hydrocarbon impurities in soils, agitation, gas flow and recovering the hydrocarbons |
| 03/24/1992 | US5098224 Process and device for the decontamination of contaminated sites |
| 03/19/1992 | WO1992004138A1 Process and device for decontaminating loose substances in pieces |
| 03/19/1992 | DE4029212A1 Decontamination device for contaminated materials - has input and output feedswith gas tight area between them |
| 03/18/1992 | EP0475227A2 Method and apparatus for the in-situ microbial treatment of contaminated soil |
| 03/17/1992 | US5096600 Method for decontaminating soils |
| 03/17/1992 | US5095975 Arrangement for driving volatile impurities from ground water |
| 03/12/1992 | DE4103473C1 Cleaner for contaminated ground - has tubular reaction chamber with soiled feed hopper at top |
| 03/10/1992 | US5094012 Process for decontaminating contaminated soils |
| 03/05/1992 | WO1992004137A1 Process for waste injection into landfill |
| 03/05/1992 | WO1992003393A1 Detoxification of soil |
| 03/05/1992 | DE4027880A1 Cleaning of waste material from building industry - by separating fine sand before adding flocculating medium |
| 03/05/1992 | DE4027787A1 Oil removal from finely divided solids |
| 03/05/1992 | DE4027284A1 Microorganism treatment of soil extracts or liq. samples - by enriching sample with anions or cations in test series, adding microorganism-contg. soln. and measuring deviation from neutrality |
| 03/05/1992 | DE4026373A1 Extn. of heavy metals and toxic organic substances - using a mixt. of low aliphatic mono:carboxylic acid and butyl acetate |
| 03/05/1992 | CA2071541A1 Process for waste injection into landfill |
| 03/04/1992 | EP0472967A1 Device for removing volatile contaminants from groundwater |
| 03/03/1992 | US5093103 Process for separating off poisonous volatile chemical compounds from a mixture of solid particles having a particle size of up to 200 microns |
| 03/03/1992 | US5093020 Catalyzed chelation |
| 03/03/1992 | US5092983 Process for separating extractable organic material from compositions comprising said extractable organic material intermixed with solids and water using a solvent mixture |
| 02/26/1992 | EP0472173A2 Method for treating waste dump material, more particularly old waste dumps |
| 02/26/1992 | EP0471900A1 Apparatus and process useful for solvent extraction of organic material from compositions containing the same |
| 02/25/1992 | US5091447 In-situ polymeric membrane for cavity sealing and mitigating transport of liquid hazardous materials based on aqueous epoxy-rubber alloys |
| 02/25/1992 | CA1296224C Method for cleaning up contaminated soil |
| 02/19/1992 | EP0471363A2 Apparatus and method for the disposal of health-endangering gases, vapours, dusts and fumes by adsorption to surfactant substances |
| 02/18/1992 | US5088856 Radiant heat rotary volatilizer |
| 02/12/1992 | EP0470297A1 Method and device for exchanging soil, especially next to roads and buildings |
| 02/11/1992 | US5086717 Soil remediation method and apparatus |
| 02/06/1992 | DE4024769C1 Treatment of sludge contg. toxic heavy metals - comprises treating with excess hydrochloric acid, concentrating by thermal evapn. and distilling |
| 02/05/1992 | EP0469443A2 Method of treating waste |
| 02/04/1992 | US5085998 Immersing in liquid culture of phanerochaete strain for sufficient time period |
| 02/04/1992 | US5085709 Chelation of alkaline earth metal and radioactive metal sulfates with polyaminocarboxylic acid chelant and a synergist to remove radioactivity and impurity |
| 01/28/1992 | US5084105 Sulfate scale dissolution |
| 01/23/1992 | WO1992000918A1 A process for the purification of water |
| 01/23/1992 | WO1992000789A1 Reclamation system for contaminated material |
| 01/23/1992 | DE4022897A1 Method for sealing disposal sites - involves drilling vertical holes through site, feeding explosive through then which on ignition produces hollow spaces beneath area |
| 01/23/1992 | DE4022896A1 Decontamination of contaminated soil - by mixing it with water in order to pump it through cleaning pipe |
| 01/21/1992 | US5082053 Arrangement for cleaning contaminated ground water |
| 01/15/1992 | EP0465620A1 Process for removing oil from finely divided solid material, especially metal-containing production waste and soiled floors. |
| 01/14/1992 | US5080782 Apparatus for bioremediation of sites contaminated with hazardous substances |
| 01/14/1992 | CA1294112C Insitu hazardous waste treating apparatus and method of using same |
| 01/09/1992 | WO1992000491A1 Process for incinerating solid wastes and a process for treating solid wastes and a process for treating gases generated through incineration of these wastes |
| 01/09/1992 | DE4021362A1 Disposal of solids loaded with pollutants - in slagging furnace with total ash recycle |
| 01/09/1992 | DE4020156A1 Cleaning contaminated broken ground or filling material - involves water storage and circulation system and sealed container mounted on chassis |
| 01/07/1992 | US5078894 Formulations for iron oxides dissolution |
| 01/07/1992 | US5078868 Apparatus for the recovery and destruction of toxins from contaminated soils |
| 01/07/1992 | US5078213 Adjustable floating pumping system |
| 01/02/1992 | EP0463211A1 Soil decontamination |
| 01/02/1992 | EP0463062A1 Bioslurry reactor for treatment of slurries containing minerals, soils and sludges. |
| 01/02/1992 | EP0462972A1 Method for energy recovery from solid hazardous waste. |
| 01/02/1992 | DE4020261A1 Inclined, vibratory, slurry dewatering conveyor - having upper dewatered solids outlet and lower trough with overflow for liq. discharge, for single stage reclamation |
| 01/01/1992 | CN1057411A Process and apparatus for cleaning particulate solids |
| 12/31/1991 | US5076727 In situ decontamination of spills and landfills by focussed microwave/radio frequency heating and a closed-loop vapor flushing and vacuum recovery system |
| 12/31/1991 | US5076360 Priming methods for vacuum extraction wells |
| 12/24/1991 | USRE33776 Apparatus and method for low temperature thermal stripping of volatile organic compounds from soil |
| 12/24/1991 | US5074986 Electroosmosis techniques for removing materials from soil |
| 12/19/1991 | DE4019110A1 Equipment rendering contaminated earth soluble - has pipe nozzle end fixed inside treatment chamber clear of walls |
| 12/19/1991 | DE4016899A1 Verfahren zur behandlung von schadstoffbeladenen festkoerperpartikeln Process for the treatment of pollutant-laden festkoerperpartikeln |
| 12/17/1991 | US5072674 Apparatus and method for low temperature thermal stripping of volatile organic compounds from soil with non-oxidative cross-sweep gases |
| 12/12/1991 | WO1991018671A1 Process for processing solid particles containing toxic chemicals |
| 12/11/1991 | EP0460828A2 Method and apparatus for treating contaminated particulate material |
| 12/09/1991 | WO1991019039A1 Controlled-release microbe nutrients and method for bioremediation |
| 12/04/1991 | EP0459444A1 Method and system for in situ decontamination of ground water mixed with hydrocarbons |
| 12/03/1991 | US5069725 Pollution control |
| 11/28/1991 | DE4015698A1 Ground emission protection system - is used in excavation of contaminated ground areas and uses bulkheads to separate such areas |
| 11/27/1991 | EP0458090A2 Device for the treatment of contaminated soils by a gas |
| 11/26/1991 | US5067984 Oil absorbent |
| 11/26/1991 | US5067852 Method and apparatus for removing volatile contaminants from contaminated soil |
| 11/26/1991 | CA2041727A1 Method and apparatus for cleaning contaminated particulate material |
| 11/24/1991 | CA2041679A1 System for treating gas that emanates from an area of contaminated ground |
| 11/21/1991 | EP0457261A1 Apparatus for purification, for example of contaminated groundwater |
| 11/21/1991 | DE4016003A1 Method of decontaminating soil - involves digging trench, decontaminating excavated soil and using to refill trench |
| 11/21/1991 | DE4015489A1 Freeing waste material from heavy metals and dioxin(s) - by treating aq. slurry with active gas mixt. and precipitating heavy metals |
| 11/19/1991 | US5066166 Apparatus for removing ground contaminants |
| 11/14/1991 | WO1991017229A1 Method for the base-catalyzed decomposition of halogenated and non-halogenated organic compounds in a contaminated medium |
| 11/14/1991 | WO1991017124A1 New formulations for iron oxides dissolution |
| 11/14/1991 | DE4014854A1 Removing oil and fat from concrete, cement or stone floor - or other porous surface by brushing on nutrient soln. contg. Pseudomonas Putidans and feeding compressed air |
| 11/14/1991 | DE4014619A1 Thermal decontamination of soil - using heat generated by burning waste prods. such as dried clarifier sludge, organic waste, etc. |
| 11/12/1991 | US5064526 Method for the base-catalyzed decomposition of halogenated and non-halogenated organic compounds in a contaminated medium |
| 11/12/1991 | US5064407 Reduced, pelletized, grinding, classification of wastes |
| 11/07/1991 | DE4013801A1 Consolidation of loose soil - by injecting liq. cement into soil with aid of compressed air |
| 11/06/1991 | EP0455309A2 Scooping apparatus, vehicle and coupling plate therefore |
| 10/31/1991 | DE4013552A1 Biological cleaning of contaminated soil - by mixing soil with water and microorganism(s) in rotating aerator reactor vessel which allows large quantities of soil to be cleaned |
| 10/31/1991 | CA2041452A1 Method for decontaminating soils |
| 10/30/1991 | EP0453839A2 Crane-mounted drill and method for in-situ treatment of contaminated soil |
| 10/29/1991 | US5061637 Process for the removal and qualitative analytical determination of cyanide in contaminated soils |
| 10/29/1991 | US5061119 Method and apparatus for the remediation of contaminated soils |
| 10/27/1991 | CA2039660A1 Crane-mounted drill and method for in-situ treatment of contaminated soil |
| 10/22/1991 | US5059252 Mixing cationic ion exchange resin with soil |
| 10/15/1991 | US5057284 Bioslurry reactor for treatment of slurries containing minerals, soils and sludges |
| 10/15/1991 | US5057227 Usin permeable barrier containing peat |
| 10/15/1991 | US5056541 Method and apparatus for removing pollutants from contaminated soil |