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5563066 |
Method and apparatus for remediating contaminated soil containing organic compounds
A method and apparatus for remediating contaminated soil containing organic compounds, wherein, a sectional, portable, and sealable container is assembled at a site for remediation. Contaminated...
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5562588 |
Process for the in situ bioremediation of Cr(VI)-bearing solids
Provided is a process for the treatment of Cr(VI)-bearing solids or soil by the in situ biological reduction of Cr(VI) to insoluble Cr(III). The pH of the Cr(VI)-bearing solids are adjusted with an...
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5561059 |
Substrate bioavailability enhancing chemical mixture for use in bioremediation
A substrate bioavailability enhancing chemical mixture and bioremediation method is disclosed which increases substrate availability in microbial bioremediation and results in increased...
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5560737 |
Pneumatic fracturing and multicomponent injection enhancement of in situ bioremediation
A method and apparatus are disclosed for reducing or eliminating non-naturally occurring, subsurface, liquid contaminants from one or more soil formations, which involves the steps of pneumatically...
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5561056 |
Class of bifunctional additives for bioremediation of hydrocarbon contaminated soils and water
The present invention provides for enhanced bioremediation of hydrocarbon contaminated soils and waters by treating soil or water with a surfactant or mixture of surfactants having the general...
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5559029 |
Method of dispersing a hydrocarbon using bacteria
New protozoan derived microbial consortia and method for their isolation are provided. Consortia and bacteria isolated therefrom are useful for treating wastes such as trichloroethylene and...
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5556779 |
Compounds and methods useful for reductive dehalogenation of aliphatic halocarbons
This invention describes a method for catalyzing sequential reductive dehalogenation reactions on aliphatic halocarbons using free radical intermediates. More specifically, this invention involves...
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5554290 |
Insitu anaerobic reactive zone for insitu metals precipitation and to achieve microbial de-nitrification
An insitu method and system for removing dissolved heavy metals and nitrates from groundwater is disclosed. The invention comprises the formation of insitu anaerobic reactive zones to precipitate...
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5552320 |
Self-contained biological indicator
A self-contained biological indicator includes an outer container that is translucent and liquid impermeable. The container is normally closed by a vapor-permeable, micro-organism-impermeable...
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5543317 |
Microbial degradation of trichloroethylene dichloroethylenes and aromatic pollutants
A novel bacterium named Pseudomonas cepacia PR1 23 (formerly designated G4 5223 PR1) has the desirable property of constitutively degrading hazardous chemicals, for example trichloroethylene,...
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5543324 |
Microbially mediated degradation of nitrogen-containing phenol compounds
Nitrogen-containing phenol compounds are biodegradable by a consortium of microorganisms. The consortium was isolated from waste sludge by successive subculturing into medium containing picric acid...
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5543309 |
Carrier containing enzymes for treating sewage sludge
A carrier is prepared containing bacteria and/or enzymes for degrading sewage sludge. The carrier can be in the form of a gel containing coloring matter and optionally a deodorant, or in the form...
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5540838 |
Stimulation of microbial para-dechlorination of polychlorinated biphenyls
A method for stimulating microbial dechlorination of the unflanked para-chlorine substituent of PCBs having one or two unflanked para-chlorine substituents in an active PCB-contaminated sediment...
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5541096 |
Photocatalyst and process for purifying water with same
A photocatalyst comprising inorganic porous particles having photosemiconductor particles deposited on at least a part of the surfaces and at least a part of the walls of the pores of the...
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5534435 |
Process for decomposing peroxycarboxylic acids
The invention relates to a process for converting peroxycarboxylic acids to carboxylic acids, the process comprising treating a peroxycarboxylic acid of the general formula I: R--CO--OOH ...
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5531895 |
Method and apparatus for installing and removing biologically structured wall systems
The environment in a porous area, such as in an aquifer in controlled to promote the growth of indigenous microorganisms as well as introduced microorganisms. Nutrients and other growth-promoting...
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5532163 |
Process for refining oil and fat
This invention provides processes for the refining of oil and fat by which phospholipids in the oil and fat to be treated can be decomposed and removed efficiently. Particularly, it provides a...
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5531898 |
Sewage and contamination remediation and materials for effecting same
Methods for the biological treatment of sewage in a sewage treatment plant, of wastestreams and of ponds are disclosed. The methods employ a composition comprising active amounts of an enzyme...
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5532162 |
Elimination of used degreasing solution through biological degradation
A method for eliminating used aqueous degreasing or cleaning solutions in a closed rinsing system where the contaminated solution with its impurities and other agents is rinsed off the surfaces of...
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5529928 |
Enzymatic treatment of wool
The invention relates to a process for the production of wool and animal hairs with a low-in felt or felt-free finish, with a soft woolly handle and special shrink-resistance and strength. In this...
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5529930 |
Biocatalytic process for reduction of petroleum viscosity
A method for reducing the viscosity of viscous petroleum liquids, such as heavy crude oil and bitumen, is disclosed. The method is appropriate for use with viscous petroleum liquids that contain...
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5523231 |
Method to isolate macromolecules using magnetically attractable beads which do not specifically bind the macromolecules
A method of recovering a biopolymer from solution involves the use of magnetically attractable beads which do not specifically bind the polymer. The beads are suspended in the solution. Then the...
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5518726 |
Hydrocarbon emulsifier or solubilizer composition produced by Flavobacterium FERM BP-4010
A microorganism belonging to the genus Flavobacterium posessing the capacity to decompose hydrocarbons, tolerance to sulfurous acids, tolerance to salinity, tolerance to organic solvents, and...
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5518910 |
Low density glassy materials for bioremediation supports
A bioremediation support for the support of microorganisms used in the biotreatment of an aqueous waste stream or contaminated vapor is made of a low-density siliceous glassy material. This...
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5518919 |
Amoebae/bacteria consortia and uses for degrading wastes and contaminants
A method of altering trinitrotoluene includes the steps of: providing an amoeba/bacteria consortium, particularly ATCC 40908 or a mutant thereof possessing all the identifying characteristics...
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5519130 |
Purification process by decomposition of haloalkanolic acid with dehalogenase
Haloalkanoic acid impurities are decomposed in the presence of certain surfactants carboxymethyl cellulose or thioglycollic acids salts which may contain them as unconverted reactants by contacting...
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5518924 |
Process and installation for manufacturing a pasteurized substrate
A process for manufacturing a pasteurized substrate by biological decomposition of organic refuse is characterized by the following processing steps: a) A container (1) is half filled with a...
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5516687 |
Device and method for maintaining bacterial levels within an organic waste collection container
A device and method for maintaining effective bacterial levels within a collecting container of an organic matter collection system of the type having a collecting container having a bottom and a...
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5516677 |
Enzyme from Rhodococcus rhodochrous ATCC 53968, Bacillus sphaericus ATCC 53969 or a mutant thereof for cleavage of organic C--S bonds
A process for organic C--S bond cleavage of a sulfur-containing organic carbonaceous material by contacting the carbonacous material with a sulfur specific reactant of membrane fragments, an...
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5514588 |
Surfactant-nutrients for bioremediation of hydrocarbon contaminated soils and water
The present invention provides for enhanced bioremediation of hydrocarbon contaminated soils and waters by treating soil or water with a composition comprising a phosphorous source, a diluent and a...
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5512479 |
Method of degrading volatile organochlorides and remediation thereof
A process for degrading volatile organic contaminants such as trichloroethylene. and remediating volatile organic contaminant contaminated media using trichloroethylene induced toluene...
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5510032 |
Process for treating aqueous solutions containing industrial wastes
A treatment zone 10 in the form of a basin 12 having an inlet port 14 and an outlet port 16. The inlet port 14 allows water to flow into the basin 12. The outlet port 16 allows water to flow out of...
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5510265 |
Multistage process for deep desulfurization of a fossil fuel
A method for the deep desulfurization of a liquid fossil fuel containing organic sulfur comprising aromatic sulfur-bearing heterocycles is described, wherein the fossil fuel is (a) subjected to...
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5510247 |
Centrifugal multiphase systems and method for using the same
Centrifugal systems and methods of use thereof are provided. The systems and methods provide two-phase extraction/reaction and separation in a single operational unit. The systems are easily...
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5508193 |
Pseudomonas strain for degradation of s-triazines in soil and water
A method for degradation of s-triazine compounds, including atrazine, which utilizes an atrazine degrading Pseudomonas (ADP) bacterium and its enzymes is provided. ADP was isolated from...
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5508195 |
Method for liming hides and skins
A method for liming hides and skins using a proteolytic enzyme in an aqueous-alkaline float is taught, wherein the liming float has a pH value from 10-14 and contains both thiourea dioxide and an...
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5507952 |
Enzymes for recreational water
An enzyme composition of matter is disclosed for reducing the amount of acylglycerol esters in water comprising a lipase enzyme, a non-ionic emulsifying agent, a water soluble organic acid...
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5508194 |
Nutrient medium for the bioremediation of polycyclic aromatic hydrocarbon-contaminated soil
A mixed bacteria culture for biodegrading polycyclic aromatic hydrocarbon contaminants includes Achromobacter sp. and Mycobacterium sp. which have been grown together and gradually acclimated to...
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5501977 |
Biofilter comprising leonardite, clay and lime
A biofilter composition of leonardite, clay, lime, and an inorganic salt mixture and a process for controlling air quality by contacting an air stream with the biofilter composition are provided...
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5500368 |
Finely divided anthraquinone formulations as inhibitors of sulfide production from sulfate-reducing bacteria
A method of inhibit sulfide production in a media containing sulfate-reducing bacteria is disclosed. The method comprises adding particles of a finely divided sulfide production-inhibiting...
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5491078 |
Leach solution containing glucose, galactose, catalase, glucose oxidase, galactose oxidase, ascorbic acid and water soluble metal cyanides and halides
A leach solution comprises water, glucose and glucose oxidase. The oxidase acts upon the glucose to produce gluconic acid and hydrogen peroxide. The leach solution reacts with mineral elements and...
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5487834 |
Methods for microbial filtration of fluids
Novel methods for purifying contaminated subsurface groundwater are disclosed. The method is involves contacting the contaminated subsurface groundwater with methanotrophic or heterotrophic...
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5486467 |
Catalase from Bacillus subtilis IAM 1026 (Ferm BP-4844)
A microbial catalase having a catalase activity at 0° C. of 95% or more of its catalase activity at 30° C., when measured at pH 7, and a process for producing the same. The microbial catalase...
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5486474 |
Bioremediation method using a high nitrogen-containing culture of white rot fungi on sugar beet pulp
A bioremediation method for degrading aromatic compounds using white-rot fungus and a sugar beet pulp substrate having a high nitrogen content is disclosed. The sugar beet pulp substrate has a...
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5484729 |
Microbial dechlorination of polychlorinated biphenyl compounds
An improved process for anerobic microbial dechlorination of polychlorinated biphenyl compounds in sediment containing microorganisms capable of dechlorinating polychlorinated biphenyls which...
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5478743 |
Microbially mediated degradation of nitrogen-containing phenol compounds by single bacterial isolates
The invention relates to Arthrobacter bacterial isolates capable of degrading picric acid and related compounds to the point where no aromatic ring-containing degradation products can be detected,...
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5476788 |
Solid phase bioremediation methods using lignin-degrading fungi
A solid-phase bioremediation method utilizing naturally occurring lignin-degrading fungi. The method includes inoculating a field-contaminated, nonsterile soil or wood having a halogenated...
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5476787 |
Method of removing nitrogen impurities from water using hydrocarbon-producing microalga
Water containing an inorganic nitrogen-containing compound, such as water effluent from sewage treatment plant, is treated for the removal of the nitrogen-containing compound and for the production...
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5474934 |
Biodegradation of ethers
Ethers including dioxanes are degraded by bringing an ether-containing influent into intimate contact, under growth or resting conditions and in the presence of oxygen, with a culture comprising a...
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5468628 |
Compounds and methods for generating oxygen and free radicals used in general oxidation and reduction reactions
Composition and methods; for carrying out a variety of oxidation reactions, reduction reactions, or both utilizing a free radical generating catalyst, a mediator, and a reductant are disclosed. The...
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