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8109047 |
System for recovering hydrocarbons from water-containing hydrocarbonaceous material using a constructed infrastructure
A constructed permeability control infrastructure can include a permeability control impoundment defining a substantially encapsulated volume. A comminuted water-containing hydrocarbonaceous...
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7862705 |
Methods of recovering hydrocarbons from hydrocarbonaceous material using a constructed infrastructure and associated systems
A method of recovering hydrocarbons from hydrocarbonaceous materials can include forming a constructed permeability control infrastructure. This constructed infrastructure defines a substantially...
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7357601 |
Adaptive coupling and method
An adaptive coupling and method for joining a conduit to a barrier sheet through which the conduit passes are disclosed. The barrier sheet is movable axially relative to the conduit. A tubular...
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7249607 |
Landfill conduit servicing systems and methods for servicing landfill conduits
Systems, methods, and apparatus for servicing landfill conduits are disclosed. These systems, methods, and apparatus employ structures which facilitate access to and the servicing of buried...
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7250287 |
“Transformer” aerobic digestion method, a system for treating biodegradable waste material through aerobic degradation
This method facilitates the cost effective treatment of liquid, hazardous, and solid waste in a landfill or composting site or any other containment facility. The ability to distribute the oxygen...
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7153061 |
Method of in situ retrieval of contaminants or other substances using a barrier system and leaching solutions
Processes and methods relating to treating contaminants and collecting desired substances from a zone of interest using subterranean collection and containment barriers. Tubular casings having...
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7037423 |
Method for removal and detoxication of dissolved metals in a rainwater discharge
The present invention provides a water treatment apparatus and method for reducing toxicity in zinc containing acid stormwater runoff, the apparatus comprising a first filter layer of high calcium...
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6910829 |
In situ retreival of contaminants or other substances using a barrier system and leaching solutions and components, processes and methods relating thereto
Processes and methods relating to treating contaminants and collecting desired substances from a zone of interest using subterranean collection and containment barriers. Tubular casings having...
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6881010 |
Systems for on site treatment and disposal of contaminated soils and sediments
A system for the onsite storage, treatment and disposal of contaminated soils and sediments includes a trench that is excavated at the site. The trench is formed with a bottom surface that includes...
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6846131 |
Methods and facilities for producing revenue from gypsum-based refuse sites
The invention pertains to business methods for enabling the creation of positive revenue streams from previously negative assets, and particularly from those facilities formed from gypsum waste,...
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6688812 |
Hydraulic barrier
A hydraulic barrier for particular use in sealing the perimeter of landfill sites, the barrier comprising a geosynthetic clay liner, preferably containing prehydrated sodium bentonite, which...
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6629390 |
Environmental protection and detection system
An environmental protection and detection system includes a vapor and gas impervious barrier extending beneath at least part of the area of an enclosure to prevent fluids leaked or spilled within...
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6595723 |
Conversion of gypsum stacks to waste containment facilities and related construction and business methods
The invention pertains to the conversion of waste materials derived from gypsum mining and processing, such as existing gypsum stacks, into waste containment or landfill facilities. Methods of the...
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6527005 |
Condensate bypass apparatus
An apparatus for diverting condensate which forms inside an exhaust system. The exhaust system comprises an exhaust side in which condensate may be formed, a suction side, and an exhaust fan...
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6361249 |
Negative air pressure cover
A method for covering a lagoon, manure storage basin, waste water retention pond, water reservoir, open top material storage tank, stacks or piles of commodities, having a perimeter and a...
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6283676 |
Sequential aerobic/anaerobic solid waste landfill operation
Landfills including multiple lifts having horizontal piping layers and methods for their use to accelerate anaerobic and/or aerobic degradation of municipal solid waste to increase landfill capacity.
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6280118 |
In situ reactive gate
A method and system are described for removing contaminants from the phreatic zone, also known as the saturation zone, or groundwater. A barrier wall is constructed below the ground surface and in...
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6213685 |
Mechanical boot system
A mechanical type boot including a vertically positioned riser in a tubular configuration with an outwardly flanged upper end and an outwardly flanged lower end. Vertical bolt holes are provided...
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6152653 |
Geocomposite capillary barrier drain
A geotechnical structure that includes a first body of soil having a first unsaturated concentration of moisture. There is also a second body of soil, which includes a second unsaturated...
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6102617 |
Impoundment leak detection, location, and containment system and method with mobile sensor
An impoundment leak detection, location, and containment system includes a leak detection and location structure positioned below the impoundment with a system of conduit spanning substantially all...
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5885026 |
System and method for containing leachate using submerged counterflow sink
A method and system for collecting and containing leachate from a landfill uses a submerged drainage sink to develop a flow pattern towards the drainage sink contained within a containment zone,...
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5885203 |
Method of decontaminating soils and/or residues in situ and ex situ combining horizontal radial flow technique and depolluting agents
A process for in situ remediation of contaminated soils and/or residues is disclosed. This process takes advantage of a horizontal radial flow irrigating/draining system and sensors (8) located at...
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5863152 |
Mechanical gas vent
A gas vent closing device that incorporates the use of a base member that is secured to a liner disposed over a collection pit. The base member includes a vented lower grate that allows for the...
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5857807 |
Municipal solid waste landfill system
A municipal solid waste (MSW) landfill system includes a leachate collection system installed in a layer of MSW in a preexisting landfill. The layer of MSW is covered with a layer of waste ash...
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5846024 |
Landfill system and method for constructing a landfill system
A landfill system having a waste pit with a base portion. The base portion is covered with a liquid impermeable sheet and there is disposed at least one filtration zone below the base portion....
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5710362 |
Landfill liner for capturing certain leachate contaminants in the event of leakage
A landfill liner comprising clay and lime for capturing certain leachate contaminants, particularly potentially toxic heavy metals. The lime acts to absorb significantly more of the potentially...
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5690448 |
Landfill closure system
A landfill closure system comprising (a) a vegetated top layer comprising an effective among of an iron containing solids component; (b) a drainage layer; and (c) a low-permeability layer is...
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5624205 |
Landfill water treatment system
A landfill water treatment system including a fluid impermeable containment portion secured within a landfill area. A series of drainage tubes is arranged within the fluid impermeable containment...
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5615978 |
Management system for water-barrier sheet
In a management system for a water-barrier sheet having a double layer structure with an upper sheet and a lower sheet, the interior space of the water-barrier sheet is hermetically sealed and...
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5562586 |
Landfill cap and method of sealing landfill
A cap for sealing waste in a landfill is prepared by disposing a fill layer atop the waste and applying a fast-curing elastomeric material to the fill layer to provide a monolithic, continuous,...
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5551807 |
In-ground barrier system
A hazardous waste barrier system for preventing the generally lateral, subterranean migration of certain fluid substances (including both liquid and gaseous fluids) beyond an established perimeter,...
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5533833 |
Bulk backfill in situ liner for hard rock environment
In situ liners are impermeable compound backfilled underground rock channels which are artificially cut and laterally and vertically extensive. The backfilled channel cuts may be joined to form...
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5513928 |
Transfer pad system
A transfer pad in which a central sump is covered with a liquid-impervious membrane. A layer of gravel is then added on top of the membrane. To facilitate monitoring and draining of the pad, a...
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5447389 |
Insulation system for soil
This invention deals with casings useful for fabricating articles used in insulation methods and a blanket type thermal insulation formed from such articles that can be placed on substrates to...
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5421671 |
Remotely monitored and controlled self-flushing secondary containment system
A remotely monitored and controlled secondary containment system for underground storage tanks. Contamination of the soil and ground water in populated communities by gasoline and other petroleum...
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5372459 |
Process for producing a landfill
A process for producing a landfill from a specified landfill site is disclosed. In the first step of this process, leachate from the landfill site is collected. Thereafter a specified shredded...
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5362182 |
Waste disposal landfill having subsurface impermeable sheets which can be monitored with respect to their impermeability
A waste disposal landfill has at least one subsurface impermeable sheet for containing and directing fluid runoff from the site. This impermeable sheet can be remotely monitored with respect to its...
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5360294 |
Bentonite liner with drainage system protection
A geosynthetic clay liner is provided for installation in landfill sites equipped with lower drainage systems. The self-sealing bentonite mat precludes substantial migration of bentonite downward...
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5354149 |
In-ground barrier system with pass-through
A hazardous waste containment system for preventing the lateral migration of hazardous fluid substances (including both liquid and gas wastes, heavy metals, etc.) into the water table, particularly...
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5248219 |
Sewage tank system and method of construction
A sewage collection and separation tank (10) and method of construction is described. The sewage tank is built on a prepared earthen site (21) and is comprised of a tank floor (11) constructed from...
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5206067 |
Landfill gas capping liner system
A gas capping liner system is described which encompasses a top channeled component and a bottom perforated layer component. The top channeled component has a plurality of alternating...
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5201609 |
Cellular landfill process and apparatus
The present invention is directed to a process and apparatus wherein municipal refuse, and many other types of solid waste, are disposed of in a landfill repository that maintains them in a dry...
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5199816 |
System for isolating a dump
A system for isolating a dump sitting on the ground has three different structures which are installed under the dump sequentially, as needed. The first structure includes a tunnel driven...
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5197824 |
System for protecting ground water under a dump
An installation for protecting ground water underneath a dump has at least one tunnel driven longitudinally through the ground underneath the dump and an array of casing pipes passing through the...
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5183355 |
Method of draining water through a solid waste site without leaching
The present invention is a method of preventing water from leaching solid waste sites by preventing atmospheric precipitation from contacting waste as the water flows through a solid waste site....
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5180251 |
Underground protection underneath a dump
A dump sitting on the ground is isolated by first driving a tunnel longitudinally through the ground underneath the dump, then cutting from at least one side of the tunnel with a longwall-mining...
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5092709 |
Landfill site with leachate collection
A landfill site is adapted to collect leachate seeping from landfill. A liner impedes passage of liquids between the landfill and a subjacent stratum. A leachate collection layer formed of drainage...
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5080528 |
Method and apparatus for impounding fluids
A cavity is excavated in the earth with preferably sloping sidewalls and a first impervious barrier or layer is placed on the surface of the excavation, such as a layer of plastic film or sheet....
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5078543 |
Storage system for solid waste material
A storage system for solid waste material has a sloped storage basin with a subgrade covered by a 3-layer liner comprising top and bottom liquid impermeable layers separated by a drainage layer....
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5054961 |
Onsite soil treatment process
The present invention relates to the method of `in situ` collection and treatment of floating, sinking and dissolved contaminants in a soil environment which involves forming an in-ground...
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