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Class Information
Number: 405/129.25
Name: Hydraulic and earth engineering > Subterranean waste disposal, containment, or treatment > With treatment of waste > Chemical
Description: Subject matter wherein a substance having specific chemical makeup or detail is applied to the waste prior to the subterranean deposition of the waste in the soil.










Sub-classes under this class:

Class Number Class Name Patents
405/129.27 With heat 40


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8628659 In-situ contaminant remediation systems and methods Jan. 14, 2014
8608405 Methods for disposing of produced water recovered during hydrocarbon drilling, production or related operations Dec. 17, 2013
8579544 Combined chemical oxidation/assisted bioremediation of contaminants Nov. 12, 2013
8580114 Processes for remediation of contaminant plumes Nov. 12, 2013
8529155 Method of making pure salt from frac-water/wastewater Sep. 10, 2013
8480903 Systems and methods for in-situ contaminant remediation Jul. 9, 2013
8287625 Systems and methods for treating landfill gas using landfill leachate Oct. 16, 2012
7967989 Groundwater recharging wastewater disposal method Jun. 28, 2011
7955419 System and method for treating landfill gas using landfill leachate Jun. 7, 2011
7833423 Enhanced oxidation process for removal of water and soil contaminants Nov. 16, 2010
7588527 Process for the disposal of sulfur in the form of compounds liquid at room temperature Sep. 15, 2009
7498163 Process for reducing solid waste volume and landfill mass Mar. 3, 2009
7468469 Dissolved oxygen releasing compound Dec. 23, 2008
7442305 Downwash process bioremediation system Oct. 28, 2008
7271199 Removal of PCB and other halogenated organic contaminants found in ex situ structures Sep. 18, 2007
7250287 "Transformer" aerobic digestion method, a system for treating biodegradable waste material through aerobic degradation Jul. 31, 2007
7235181 Metal powder for decomposition of organic halogen and method for manufacturing the same Jun. 26, 2007
7166228 Method of treating a subsurface formation with ferrous iron to reduce contaminants to harmless species Jan. 23, 2007
7128498 Method of containing and at least partially remediating contaminants in soils, including sediments Oct. 31, 2006
7115203 Remediation with ozone of sediments containing organic contaminants Oct. 3, 2006
7105084 Hybrid flow pond Sep. 12, 2006
7101115 In situ stabilization of persistent hydrophobic organic contaminants in sediments using coal- and wood-derived carbon sorbents Sep. 5, 2006
7077963 Processes for water treatment Jul. 18, 2006
7037423 Method for removal and detoxication of dissolved metals in a rainwater discharge May. 2, 2006
7022194 Method of treating a paint booth dry filter Apr. 4, 2006
7011756 In situ immobilization of metals within density variant bodies of water Mar. 14, 2006
7008964 Contaminant removal from natural resources Mar. 7, 2006
6994491 Gas recovery from landfills using aqueous foam Feb. 7, 2006
6991405 Application of inert gas mixtures to prevent and/or to control sulfide mineral oxidation and the generation of acid rock drainage Jan. 31, 2006
6984329 Coated microbubbles for treating an aquifer or soil formations Jan. 10, 2006
6962561 Method for biosolid disposal and methane generation Nov. 8, 2005
6929423 Gas recovery from landfills using aqueous foam Aug. 16, 2005
6926837 Process for the treatment of waste materials Aug. 9, 2005
6921477 Groundwater treatment system and method Jul. 26, 2005
6893570 Metal removal process May. 17, 2005
6878281 Wastewater management system Apr. 12, 2005
6843617 Stabilization of toxic metals in a waste matrix and pore water Jan. 18, 2005
6830695 In situ remediation process using divalent metal cations Dec. 14, 2004
6720176 Liquid chemical compositions containing soluble sulfates and methods for anaerobic bioremediation Apr. 13, 2004
6688811 Stabilization method for lead projectile impact area Feb. 10, 2004
6648551 Method for stabilizing and reducing permeability of geologic or waste materials Nov. 18, 2003
6609578 Shale hydration inhibition agent and method of use Aug. 26, 2003
6592294 Situ formation of apatite for sequestering radionuclides and heavy metals Jul. 15, 2003
6561733 Method and apparatus for treating landfills May. 13, 2003
6550552 Method for the removal and recovery of the oil component from drill cuttings Apr. 22, 2003
6543964 Stabilization of arsenic-contaminated materials Apr. 8, 2003
6544426 Method of quickly decomposing and removing an organic chlorine compound by a hollandite-type photocatalyst Apr. 8, 2003
6491616 Method for biosolid disposal and methane generation Dec. 10, 2002
6471443 Method and apparatus for injecting steam into landfills Oct. 29, 2002
6435769 Gas-phase modification in earth materials Aug. 20, 2002

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