Patents for B09C 1 - Reclamation of contaminated soil (11,202)
03/1994
03/31/1994DE4232455A1 Wet soil or mineral decontamination process - involves individual washing of separate particle fractions
03/30/1994EP0589818A2 Process for the biological removal of nitrated derivatives
03/30/1994EP0588865A1 Cleaning hydrocarbon contaminated material.
03/29/1994US5297496 Process for the combined treatment of waste materials
03/29/1994CA2106417A1 Method for the immobilisation of waste material contaminated with organic chemical compounds
03/24/1994DE4231363A1 Forming temporary barriers to ground water preventing leaching of pollutants from contaminated areas - by oxidn of iron and/or manganese cpds in situ to clog soil pores
03/22/1994US5296040 Process for cleaning debris containing pollutants
03/22/1994US5295763 Method for controlling gas migration from a landfill
03/22/1994US5295761 Method for remediating contaminated soil
03/17/1994WO1994006149A1 Toxic remediation system and method
03/17/1994WO1994005897A1 Injection of mixtures into subterranean formations
03/17/1994WO1994005604A1 Bioremediation of contaminated groundwater
03/17/1994WO1994005438A1 Process for immobilising organic and inorganic pollutants in contaminated soil on reconstruction sites
03/17/1994CA2122828A1 Process for immobilising organic and inorganic pollutants in contaminated soil on reconstruction sights
03/17/1994CA2122269A1 Bioremediation of contaminated groundwater
03/16/1994EP0587147A2 Installation and method for the biological treatment of organic substances
03/15/1994US5293941 Method of controlling flow in a soil venting well
03/15/1994CA1327767C Enhanced in-situ electrochemical degradation of organic contaminants in groundwater systems
03/10/1994DE4229174A1 Transportable trough reactor for biological purificn. appts. - for purifying contaminated liq., suspension or sludge, includes devices for mixing, nutrient salt supply, aeration and/or heating
03/09/1994EP0586143A1 Bench scale process and apparatus for determining operating parameters of a thermal desorption process
03/09/1994EP0586005A1 Method and apparatus for extracting a spilled fluid from a sub-surface of earth
03/09/1994EP0585652A2 Bacterial strains for the reduction of mercury oswell as the processes for their production
03/09/1994EP0585357A1 Amoebae/bacteria consortia and uses for degrading wastes and contaminants
03/09/1994EP0524241B1 A process for the combined treatment of waste materials
03/08/1994US5292429 Thermal distillation
03/03/1994WO1994004944A2 Method and apparatus for generating high energy acoustic pulses
03/03/1994WO1994004761A1 Method and apparatus for in-situ treatment of landfill waste and contaminated soil
03/03/1994WO1994004290A1 Process for encapsulating a waste material
03/03/1994WO1994004289A1 Process and plant for decontaminating solid materials contaminated with organic pollutants
03/03/1994WO1994004288A1 Apparatus and process for the remediation of contaminated soil
03/03/1994DE4227962A1 Verfahren und Anlage zum Sanieren von mit organischen Schadstoffen kontaminiertem Boden Method and apparatus for remediating contaminated with organic pollutants floor
03/03/1994CA2142971A1 Method and apparatus for generating high energy acoustic pulses
03/03/1994CA2142841A1 Process for encapsulating a waste material
03/01/1994US5290528 Contacting with carbonated aqueous solution to leach arsenic
03/01/1994US5290351 Composition for rendering waste substances harmless
03/01/1994US5289640 Apparatus and method for preferentially separating volatilizable components of a matrix
03/01/1994CA1327336C Method and apparatus for stripping volatile organic compounds from solid materials
02/1994
02/24/1994CA2104502A1 Bacterial strains for mercury reduction and process for their production
02/22/1994US5288330 Method and apparatus for removing contaminants from particulate material
02/22/1994US5288177 Covalently bonding with a silicon chemical
02/22/1994US5288171 Method of recycling construction and demolition debris
02/22/1994US5288169 Ventilation of porous media
02/22/1994US5287927 For efficiently removing materials from soil
02/22/1994CA2104522A1 Bench scale process and apparatus for determining operating parameters of a thermal desorption process
02/17/1994WO1994003399A1 Improved method and apparatus for removing organic contaminants
02/17/1994WO1994003236A1 Device for cleaning contaminated topsoil
02/17/1994DE4235428C1 Refuse homogenising and compacting drum fixed by hydraulic cylinder - has separate swing covers at frames at each end for charging and discharging of static tilting drum
02/17/1994DE4226584A1 Removing organic contaminants from soil - by using super-heated steam at 220 deg.C to reduce energy used, and cost
02/16/1994EP0582600A1 System for cleaning contaminated water
02/15/1994US5286522 H2 O2 induced oxidation proof phosphate surface coating on iron sulfides
02/15/1994US5286386 Solvent extraction process for treatment of oily substrates
02/15/1994US5286141 Plurality of mutually spaced wells, injection of hydrogen peroxide; monitoring of pH changes
02/15/1994US5286140 Bioremediation systems and methods
02/15/1994CA1327027C Treatment of mine tailings
02/10/1994DE4326200A1 Process and appts. to wash contaminants, esp. hydrocarbon(s) from grains separates coarse fraction - and washes within separate circuit using recycled water to reduce contaminant concentration
02/10/1994DE4226033A1 Decontaminating soils and building materials in fixed bed gasifier - to immobilise non-volatile heavy metals in slag produced
02/09/1994EP0581976A1 Soil Gas Sampling Probe
02/09/1994EP0581854A1 Process for immobilizing heavy metals in the soil.
02/08/1994US5285000 Composition and process for organic and metal contaminant fixation in soil
02/08/1994US5284991 Cyanide removal from oily solid using a solvent extraction process
02/08/1994US5284503 Process for remediation of lead-contaminated soil and waste battery
02/08/1994CA1326937C Method and apparatus for treating waste paint sludge
02/03/1994WO1994002780A1 Apparatus for allowing thermal dimensional changes of metal parts in a retort mechanism
02/03/1994WO1994002421A1 Microbial mediated method for soil and water treatment
02/03/1994WO1994002417A2 Process for the removal of sodium values from sodium contaminated solids
02/03/1994WO1994002264A1 Method and device for the elimination of toxic materials from, in particular, the topsoil
02/03/1994WO1994002211A1 A method for the remediation of organometals, especially tetraethyllead (tel), in contaminated natural media
02/03/1994WO1994002159A1 Detoxification of certain environmental protection agency declared toxins by naturally occurring anaerobic organisms
02/03/1994WO1994001995A1 An improved compost mixing and aerating apparatus
02/03/1994DE4225125A1 Vorrichtung zum Absaugen von Gasen aus dem Erdreich Device for suction of gases from the soil
02/03/1994CA2140898A1 Apparatus for allowing thermal dimensional changes of metal parts in a retort mechanism
02/03/1994CA2132638A1 Process for the removal of sodium values from sodium contaminated solids
02/02/1994EP0581094A1 Use of polyisobutylene for the disposal of contaminated solids and dusts
02/01/1994US5283192 Biological process for enhanced manganese and silver recovery from refractory manganiferous silver ore
02/01/1994US5282995 Aqueous alkaline solution of diethylenetriaminepentaaacetic acid chelating agent and formate anion catalyst
02/01/1994US5282695 Apparatus and method for thermally stripping volatile organic compounds from soil using a recirculating combustible gas
01/1994
01/27/1994DE4241278A1 Sieve-type floor or intermediate floor - comprising individual floor plates fitted on base surface via legs as distance holders
01/26/1994EP0580519A1 Method and device for the obtention of stabilized molded materials from waste
01/25/1994US5281332 System for treating sewage or other fluids
01/20/1994DE4223769A1 In-situ process to adjust pH value of soil - by injection of carbon di:oxide through vertical borehole and horizontal drain holes
01/19/1994EP0578925A1 Method and device for the removal of contaminants, in particular from soil
01/18/1994US5279963 System for the decontamination of a contaminated gas
01/18/1994US5279740 Ground contamination remediation process
01/13/1994DE4233545C1 Decontamination of soils, muds and solids - by microbial degradation of xeno biotic contaminated substances, ensuring that the oxygen supply is limited and controlling the temp.
01/13/1994DE4226015C1 Verfahren zur Entsorgung von festen und flüssigen Abfallstoffen im Vergasungsprozeß bei der Festbettdruckvergasung Method for the disposal of solid and liquid waste in the gasification process in the fixed-bed gasification pressure
01/12/1994EP0278973B1 Process for the degradation of coal tar constituents by white rot fungi
01/12/1994CN1080705A Method for treating soil contaminated with hydrocarbons
01/11/1994US5277815 In situ biodegradation of groundwater contaminants
01/11/1994US5277814 Process for treating organic wastes
01/11/1994US5277518 Contaminant remediation, biodegradation and removel methods and apparatus
01/11/1994CA1325988C Process for the degradation of coal tar constituents by white rot fungi
01/05/1994EP0438568B1 Process for in situ decontamination of subsurface soil and groundwater
01/05/1994DE4221198A1 Water flow decontamination - using slits in sediment of ground water outflow filled with a sorption agent to take=up water-soluble sorbable hazardous matter
01/04/1994US5276255 Cementitious encapsulation of waste materials and/or contaminated soils containing heavy metals, to render them immobile
01/04/1994US5276253 Using plasma arc torch to melt without combustion a portion of contaminated soil; cooling; solidification; vitrification
01/04/1994US5275739 In-situ restoration of contaminated soils and groundwater using calcium chloride
01/04/1994US5275507 Soil decontamination method
12/1993
12/29/1993EP0576063A1 Method for treating soil contaminated with hydrocarbons
12/28/1993US5274129 Hydroxamic acid crown ethers
12/28/1993US5273355 Aggregate dryer and soil incinerator