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Class Information
Number: 405/129.3
Name: Hydraulic and earth engineering > Subterranean waste disposal, containment, or treatment > With treatment of waste > Solidification
Description: Subject matter wherein a treatment is performed on the waste to produce a solid phase nonleachable product for subterranean deposition.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8608405 Methods for disposing of produced water recovered during hydrocarbon drilling, production or related operations Dec. 17, 2013
8529155 Method of making pure salt from frac-water/wastewater Sep. 10, 2013
8490795 Container and method for facilitating disposal of unused pharmaceutical product Jul. 23, 2013
7364387 Method and device for accelerating the decomposition of biogenic organic matter in refuse disposal sites Apr. 29, 2008
7284930 Composition and method for forming a sprayable materials cover Oct. 23, 2007
7059805 Process for environmental pacification of drill cuttings Jun. 13, 2006
6846131 Methods and facilities for producing revenue from gypsum-based refuse sites Jan. 25, 2005
6609578 Shale hydration inhibition agent and method of use Aug. 26, 2003
6607474 Method for stabilizing chromium-contaminated materials Aug. 19, 2003
6322489 Drill cuttings solidification for wetlands restoration Nov. 27, 2001
6309338 Method and plant for the treatment and stabilization of materials containing environmentally noxious constituents Oct. 30, 2001
6190301 Embedding of solid carbon dioxide in sea floor sediment Feb. 20, 2001
6087548 Method and assembly for sterilizing contaminated waste Jul. 11, 2000
5997629 Hazardous waste treatment Dec. 7, 1999
5994608 Reduction of leachability and solubility of radionuclides and radioactive substances in contaminated soils and materials Nov. 30, 1999
5931772 Use of spent bauxite as an absorbent or solidification agent Aug. 3, 1999
5916122 Solidification of aqueous waste Jun. 29, 1999
5916123 Fixation and stabilization of metals in contaminated soils and materials Jun. 29, 1999
5882146 Immobilization of materials Mar. 16, 1999
5860908 Water insoluble heavy metal stabilization process Jan. 19, 1999
5788623 Method for treatment of solid waste to minimize permeability of the waste Aug. 4, 1998
5769777 Method for absorbing organic pollutants Jun. 23, 1998
5700107 Method of soil remediation Dec. 23, 1997
5674176 Method for treatment of solid waste to minimize heavy metals Oct. 7, 1997
5663477 Hydrocarbon disposal method Sep. 2, 1997
5649785 Method of treating solid waste, recovering the constituent materials for recycling and reuse, and producing useful products therefrom Jul. 22, 1997
5643170 Method for isolating, immobilizing and rendering waste non-leachable Jul. 1, 1997
5626552 Method of waste disposal May. 6, 1997
5615975 Method for remediation of volatile organic contaminated soils Apr. 1, 1997
5613242 Method and system for disposing of radioactive solid waste Mar. 18, 1997
5591116 Method for treatment of solid waste to minimize permeability of the waste Jan. 7, 1997
5588947 Apparatus and method for treating hazardous waste material Dec. 31, 1996
5584792 Method of stabilizing industrial wastes and fly ash compositions useful in same Dec. 17, 1996
5582573 Method for the treatment and stabilization of hazardous waste Dec. 10, 1996
5582572 Method and plant for rendering solid waste inert and for its subsequent definite storage Dec. 10, 1996
5562590 Process for encapsulating a waste material Oct. 8, 1996
5551806 Process for making cementitious mine backfill in a salt environment using solid waste materials Sep. 3, 1996
5516974 Treating agent for making harmless and immobilizing fly ash containing noxious metals and a method for the immobilizing treatment using it May. 14, 1996
5495064 Immobilization of metal contaminants from a liquid to a solid medium Feb. 27, 1996
5489741 Treatment and stabilization of hazardous waste Feb. 6, 1996
5466407 Incineration residue treatment process Nov. 14, 1995
5466407 Incineration residue treatment process Nov. 14, 1995
5463163 Process for absorbing toxic waste for long term permanent storage Oct. 31, 1995
5463172 Waste disposal process Oct. 31, 1995
5457273 Processing Waste solidification Oct. 10, 1995
5439317 Method of handling solid particles Aug. 8, 1995
5439318 Cementitious encapsulation of waste materials and/or contaminated soils containing heavy metals to render them immobile Aug. 8, 1995
5430235 Fixant for mixed organic and inorganic contaminated materials and method for using same Jul. 4, 1995
5430237 Method of solidifying oil field waste Jul. 4, 1995
5416252 Waste incineration residues and the products obtained May. 16, 1995

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