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7456418 |
RF-enablement of auditable storage for hazardous materials
A cementitious container that has a low-frequency radio tag containing the container's pedigree and history. The container is used for storage of hazardous waste are disclosed having an inner layer...
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6991593 |
Hazardous waste stabilization methods, products and testing procedures
A process for the stabilization of metal bearing waste is provided that is based upon the discovery that landfills have anaerobic environments. This process includes adjusting the pH of the waste...
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6962561 |
Method for biosolid disposal and methane generation
A method for the disposal of biosolids, the method comprising providing a supply of biosolids; selecting an introduction formation below a ground surface, the introduction formation comprising a...
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6865937 |
Deionized water spray on loss of fluid processing tank exhaust
Methods and apparatus are provided for increasing the safety of a clogged or failed exhaust system. In accordance with a first embodiment, an apparatus is provided that includes (1) a tank adapted...
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6796746 |
Subterranean drilling and in situ treatment of wastes using a contamination control system and methods relating thereto
Systems and methods relating to subterranean drilling while maintaining containment of any contaminants released during the drilling. A thrust block installed over a zone of interest provides an...
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6422789 |
Method and apparatus for treatment and remediation of contaminated soils
This specification discloses a method and apparatus for the remediation of soil contaminated by pollutants. The method utilizes a unitary mobile remediation apparatus in which the soil is...
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6383128 |
Method of in situ immobilization and reduction of metal bioavailability in contaminated soils, sediments, and wastes
Improved methods and compositions for decreasing the bioavailability of metals in soil are provided. Broadly, the methods comprise mixing a source of phosphorus and an oxide of manganese with the...
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6359187 |
Method of sealing container for handling radioactive debris
A system and method for filling, dewatering and sealing high integrity containers for storing high level radioactive debris has a support structure for receiving a container and a movable hood...
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6276871 |
Soil remediation method
The present invention relates generally to a soil remediation method, and more particularly to a soil remediation method relying on the chemical oxidation of organic contaminants in saturated or...
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6250846 |
Apparatus for soil purification and remediation method for contaminated soil
An apparatus for soil remediation to remedy a soil contaminated with a pollutant less affecting the environment, which includes a soil borer having a rotatable drilling form or portion capable of...
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6221002 |
Method to reduce hexavalent chromium in soils, sediments, industrial wastes and other contaminated materials using ascorbic acid
The concentration of potentially toxic hexavalent chromium, {Cr(VI)}, in chromium-bearing soils/materials existing in the form of soils, sludges, sediments, fill, industrial wastes, or other...
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6139222 |
Method and apparatus for containment of or protection from hazardous or undesirable materials
A method and apparatus for containing and protecting oblong and odd-sized objects with plastic sheeting that may form a cylindrical enclosure by pressure sealing extruded plastic profile fasteners...
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6132356 |
Portable system for vapor, aerosol or airborne hazard suppression of hazardous environmental spills
The invention provides a portable apparatus and a method for quickly conting, suppressing and mitigating localized hazardous material spills. The hazardous material containment apparatus has a...
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6056477 |
Waste disposal site
A waste disposal site according to the present invention is provided with water-impermeable properties by water-impermeable materials covering a bottom surface and a sloped side surface of the...
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6048419 |
Compacting means and device suitable for the compacting of materials with a pyrophoric tendency
The present invention relates to a compacting process suitable particularly for the compacting of materials with a pyrophoric tendency and especially for the compacting of scrap metal generated in...
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6006588 |
System for containing and handling toxic gas and methods for containing and handling same
A system, container, and methods are provided for containing and handling a toxic gas. The system preferably includes a first container having toxic gas stored therein and a second container...
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6004070 |
Waste storage containment cell, method of operating, and apparatus therefore
A new covered landfill or remediated waste containment cell having an excavated bottom surface, lined with a watertight liner and a leak detection system for determining whether or not leakage has...
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6002063 |
Apparatus and method for subterranean injection of slurried wastes
Injection of slurried wastes is carried out within deeply buried strata. Appropriate target strata are identified in terms of sufficient porosity and permeability, and overburden that includes...
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5976270 |
Composition and method for treatment of lead-containing surface coatings and soil
A method is provided to render non-hazardous surface soil which is contaminated with lead compounds. The soil is treated by applying an aqueous composition comprising hydrogen peroxide, ammonium...
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5951457 |
Method to reduce hexavelant chromium in soils, sediments, industrial waste and other contaminated materials using ascorbic acid
The concentration of potentially toxic hexavalent chromium, {Cr(VI)}, in chromium-bearing soils/materials existing in the form of soils, sludges, sediments, fill, industrial wastes, or other...
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5905184 |
In situ construction of containment vault under a radioactive or hazardous waste site
A method is disclosed for constructing, verifying, and maintaining underground vaults that isolate and contain radioactive burial sites. The method employs a buoyant lift technique to isolate a...
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5898003 |
Method and means for collecting odors from a waste water lagoon
An odor collection station for a waste water lagoon with a buoyant housing having a top, open bottom, and opposite side and end walls. The housing having a U-shaped duct with an upper and lower...
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5888022 |
Method and system for treating bio-degradable waste material through aerobic degradation
A system and method are provided for treating biodegradable waste material in a landfill by aerobic degradation. Waste material is deposited in the landfill and covered. The moisture content in the...
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5857810 |
In-situ chemical barrier and method of making
A chemical barrier is formed by injecting a suspension of solid particles or colloids into the subsurface. First, a stable colloid suspension is made including a surfactant and a non-Newtonian...
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5846178 |
Stabilization of lead bearing waste
A method is disclosed for reducing the leaching of lead from a lead bearing material or waste. The method includes contacting the material or waste with a water soluble phosphate and a complexing...
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5819787 |
Apparatus and process for safely containing and delivering hazardous fluid substances from supply cylinders and cylinder loading structure
An apparatus for safely delivering a hazardous fluid substance to a receiving structure includes a supply cylinder containing a hazardous fluid substance and having a supply cylinder release port;...
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5766551 |
Device for quantitation of odors from liquid livestock wastes
The gas sample device structure has a housing with a continuous normally vertical sidewall, closed top and an open bottom. Buoyant elements are secured to the housing to maintain its vertical...
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RE35715 |
In-situ remediation and vitrification of contaminated soils, deposits and buried materials
A method is disclosed in which a plasma arc torch is used to vitrify and remediate a site containing contaminated soils, resulting from a hazardous material deposit or spill, or contaminated buried...
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5651821 |
Battery disposal and collection apparatus
The battery disposal and collection apparatus includes a terminal connection having a terminal electrode pressed by a pressing structure on an upper cover, a battery guide case having a battery...
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5639380 |
System for automating groundwater recovery controlled by monitoring parameters in monitoring wells
Method and system of operating an Intelligent Pump-and-Treat groundwater recovery system where the groundwater level is monitored in monitoring wells and that information transmitted to a computer...
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5605417 |
Method and apparatus for improving degradation of an unsecured landfill
A process for improving degradation, stabilization, detoxification and volume reduction of refuse within an unsecured landfill. The process comprises the control of ground water and extracting the...
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5595711 |
Isolated biological and medical waste processor and lid liner carrying a chemically sensitive decontaminant
A processing chamber for the treatment and decontamination of biological or medical waste includes a rotating waste treatment system carried within an open-top processing chamber, a cap for closing...
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5574204 |
Method for the mutual chemical and compaction treatment of inorganic wastes
Water-containing inorganic waste materials, originally in loose form, and which contain water-soluble components capable of reacting with each other are mixed and then compacted at a pressure...
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5570974 |
Assembly for monitoring a landfill and a method of locating leaks
The monitoring assembly for a landfill or garbage dump comprises two sensor hoses, which are laid on both sides of a sealing liner parallel to each other. A transport medium can flow through the...
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5550314 |
Method of environmentally stabilizing lead paint contaminated debris
A method of immobilizing or stabilizing lead paint contaminated construction or demolition debris in which the debris is shredded, mixed with water and a chemical, such as fly ash, lime, Portland...
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5503225 |
System and method for monitoring the location of fractures in earth formations
A system and method for the real-time monitoring of the location (e.g. vertical extent) of a fracture within a waste disposal formation as that fracture is being formed. Acoustical-energy sensors...
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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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5325605 |
Method and apparatus for waste treatment
A computer based material processing system 10 allows for the processing of contaminated material in a manner which allows the material to be discharged into a sewage facility or placed in a landfill.
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5272910 |
Vadose zone monitoring system having wick layer enhancement
A vadose zone monitoring system for detecting leaks from a contaminant storage facility or the like is disclosed in which leaks are detected in a confined radial area around at least one generally...
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5100453 |
Method for recycling scrap mineral fibers
A method and apparatus for recycling scrap mineral fibers (42) having an organic binder coating in a highly stirred glass melter (16) wherein the organic binder coating is decomposed by applying...
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4672366 |
Subterranean tank leak containment and detection system
An improved system for containment and detection of leakage of petroleum products from a subterranean storage tank is disclosed wherein the tank is provided with leak sensing means positioned at...
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4650086 |
Portable hazardous waste container
Portable hazardous waste containers can be used both for storage and transportation. Waste from an unsatisfactory container, an open pit, or a process stream can be placed in the container, which...
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4464081 |
Process and structure for storing and isolating hazardous waste
A hazardous waste system for safely containing hazardous waste and monitoring any water or leachates that might exist in the system. The system includes several protective layers for surrounding...
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4439062 |
Sealing system and method for sealing earthen containers
A sealing system for an earthen container such as a pit, lagoon, land fill or the like for storing waste materials includes an outer seal layer formed by mixing a water expandable colloidal clay,...
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4430021 |
Secure chemical waste landfill
A chemical waste landfill comprising a plurality of compartments separated by and lined with a primary clay liner. A single integral synthetic water impervious liner is provided beneath the clay...
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4375930 |
Permanent disposal vault for containers
Containers of chemical hazardous waste materials can be permanently vaulted by distributing the containers on a base surface apart from one another and thereafter filling the space between the...
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4335978 |
Induced intragradient system for secure landfill
Induced hydraulic intragardient system for, and method of preventing flow migration of liquid leachate from, a secure landfill arrangement, which contemplates a low permeability inner primary liner...
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4144311 |
Purifying salts containing organic pollutants
A process for purifying organically polluted salts comprising forming a melt of said salts at a temperature of from about 600°to 1000° C., and contacting salt melt with an oxygen-containing gas. A...
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