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5637498 |
Method for biological cleaning of a contaminated gas flow
The invention relates to a method for biological cleaning of a gas flow containing at least one contaminant by: i) placing the gas flow containing contamination in contact with liquid, wherein the...
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5626437 |
Method for in-situ bioremediation of contaminated ground water
A method for in-situ bioremediation of contaminated ground water and surface water using a porous wall filled with porous inorganic support spheres such as diatomaceous earth pellets treated by...
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5626754 |
Apparatus and process for biological wastewater treatment with controlled addition of carbonaceous organic substrates in the anoxic phase
An activated sludge treatment process and apparatus are provided for denitrification of a trickling filter plant effluent in which the nitrate nitrogen to BOD5 ratio can be maintained at less than...
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5624843 |
Nutrient additives for bioremediation of hydrocarbon contaminated waters
The biodegradation of hydrocarbon contaminated water is enhanced by the adding to the contaminated water a hydrocarbon solution of (a) a mixture of a sorbitan ester of a C 7 to C 22 ...
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5624564 |
Process for dehydration and concentration of sewage sludge
In a process for dehydration and concentration of sewage sludge containing activated sludge with the aid of organic and/or inorganic flocculators, the activated sludge content is produced in an...
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5618427 |
Composition and method for degradation of nitroaromatic contaminants
A method of creating an environment which promotes degradation of nitroaromatic organic chemical contaminants in water, sediment, or soil by adding a combination of fibrous organic matter and...
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5618429 |
Method for reducing slime and film formation in plants in which the water of paper and pulp machines is circulated and in plants in which cooling water is circulated
The invention relates to a method for reducing slime and film formation in plants in which the water of paper and pulp machines is circulated and in plants in which cooling water is circulated. By...
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5616498 |
Biological removal of dihalocarboxylic acid irritants
Contaminating trace amounts of byproduct dihalocarboxylic acids or salts thereof are removed from aqueous solutions which comprise less than 1,000 ppm of same and at least 20% by weight of amino...
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5614411 |
Self contained decontamination system
Water borne human wastes contained in a holding tank of a self contained convenience facility are decomposed and thus decontaminated as well as deodorized by aqueous live bacteria delivered in a...
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5614410 |
Bioremediation of soil or groundwater contaminated with compounds in creosote by two-stage biodegradation
A process for remediating contaminated soil or groundwater using a strain of Pseudomonas paucimobilis designated NRRL B-18512 is disclosed. Further, the process is a two stage sequential process...
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5612490 |
Method and apparatus for measuring phases in emulsions
A profile of the emulsion pad, the oil continuous and the water continuous phases present in a coalescer, such as a crude oil dehydrater or desalter, which contains sample withdrawing means such as...
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5603832 |
Method for removing hydrogen sulphide from oil-containing water and equipment therefor
The invention relates to a method for removing hydrogen sulphide (H 2 S) from oil-containing water and equipment therefor. Oil-containing water and nitrate is conducted through a bioreactor to...
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5597730 |
Process for the degradation of coal tar and its constituents by white rot fungi
A method for degrading coal tar, coal tar distillation fractions, and organic compounds, specially those compounds having three or more fused rings of the type often associated with coal tar,...
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5593592 |
Biodegradation process for treating organic wastewater
A low concentration (0.1 to 0.5 mM) of aluminum ions is added to an organic wastewater to selectively raise specific bacteria which can grow without producing unpleasant odors. The bacteria is used...
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5582732 |
Biological method of waste water treatment
A method of treating waste water is described. Firstly, providing specially acclimatized microbial consortia with relatively low sensitivity to changes in pH and changes in temperature, such that...
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5583041 |
Degradation of polyhalogenated biphenyl compounds with white-rot fungus grown on sugar beet pulp
Polyhalogenated biphenyl compounds can be degraded by white-rot fungus grown on a sugar beet pulp substrate. The method is useful for bioremediation of materials contaminated with polyhalogenated...
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5578210 |
Method for stimulating anaerobic biotransformation of halogenated hydrocarbons
Adding at least one biotransformation enhancing agent selected from the group consisting of propylene glycol, glycerol, glutamate, a mixture of proteose peptone, beef extract, yeast extract, malt...
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5578211 |
Wastewater gas reduction method
A method of reducing undesirable gases in a wastewater collection piping system is provided, comprising the introduction of select microbes into the piping system at a frequency corresponding to...
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5575998 |
Mixture of microorganisms, its use for the biodegradation of hydrocarbons, as well as process for its application
The mixture of natural microorganisms causes a biodegradation of mineral oils and mineral oil products. It contains Pseudomonas putida and Geotrichum candidum in a ratio of the cell-numbers of 5:1...
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5570973 |
Method and system for bioremediation of contaminated soil using inoculated diatomaceous earth
A system for in-situ bioremediation of contaminated soil and ground water wherein porous inorganic support spheres such as diatomaceous earth pellets are treated by inoculation with selected...
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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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5554535 |
White-rot fungus and uses thereof
The white rot fungus Scytinostroma galactinum strain F361 and mutants thereof are particularly effective in selectively grading the lignin component of lignin-containing materials, particularly...
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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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5549828 |
Method and apparatus for in Situ water purification including sludge reduction within water bodies by biofiltration and for hypolimnetic aeration of lakes
A method and an apparatus for in situ purification by aeration and biofiltration of water from a water body. According to this method, polluted and/or oxygen deficient water is drawn through a...
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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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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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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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5511907 |
Mobile injection device and method for delivery of remediation materials to underground contaminated soils and water
An apparatus and method for delivery of remediation material to treat underground contaminated soils and water having a hollow cylindrical pipe through which both to apply water under air pressure...
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5510112 |
Composition for enhancing the biodegradation of biodegradable organic wastes
The invention provides a composition for enhancing the biodegradation of biodegradable organic wastes comprising a combination of organic-waste consuming microorganisms and liposomes wherein the...
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5498337 |
Procedure for biodegradation of waste materials from crude oil
A process for biodegradation of crude oil wastes and for recovery of contaminated land including the steps of extracting sludges containing the wastes, collecting the sludges into a container,...
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5486291 |
Ecological fluidized bed method for the treatment of polluted water
An ecological fluidized bed system and method for the processing of polluted water to provide treated water. The system comprises a fluidized bed container containing a layer of coarse media with 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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5480549 |
Method for phosphate-accelerated bioremediation
An apparatus and method for supplying a vapor-phase nutrient to contaminated soil for in situ bioremediation. The apparatus includes a housing adapted for containing a quantity of the liquid...
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5474682 |
Method for removing sulphur compounds from water
The invention provides a method for removing sulphur compounds from water by anaerobic reduction of the sulphur compounds to sulphide, followed by a partial oxidation of the sulphide to elementary...
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5466374 |
Process for treating organically polluted water
A process for purifying organically polluted water containing organic nutrients for microorganisms, the process including (a) mixing the organically polluted water intensively with ozone in an...
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5460744 |
Agents used for improving the bottom and water quality in water areas where sludge is deposited
A method for improving the quality of bottom and water in water areas where sludge is deposited on the bottom. In a sample water area, lime, activated sludge and anaerobic sludge, diatomaceous...
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5455173 |
Biological isolates for degrading nitroaromatics and nitramines in water and soils
Three individual strains of anaerobic microorganisms are disclosed. Each has an ability to degrade nitroaromatic and nitramine compounds under anaerobic conditions. The strains, identified as...
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5447866 |
Reactor for microorganisms and feed device therefor
A single, unitary reactor and its feed mechanism for microorganisms, nutrients, and, commonly, also enzymes are disclosed. The reactor forms and dispenses a slurried biomass for turf and soil...
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5443845 |
Composition for enhanced bioremediation of petroleum
A particulate material, as well as a method of manufacturing and using the material, for promoting growth of petroleum degrading bacteria to aid in bioremediation of oil spills on water and in...
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5431819 |
Process for the biological treatment of solid organic material
The invention relates to a process for the biological treatment of essentially solid organic material, such as fruit, vegetable and garden waste, wherein the material is successively treated in a...
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5411665 |
Methods for reducing and separating emulsions and homogeneous components from contaminated water
A system for the reduction and separation of highly emulsified and/or immiscible components mixed in a fluid, particularly useful for treating waste water contaminated with oils and oily emulsions,...
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5411664 |
Method for dehalogenation and degradation of halogenated organic contaminants
A method of creating an environment which promotes dehalogenation and/or degradation of halogenated organic chemical contaminants in water, sediment, or soil by adding a combination of fibrous...
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5405531 |
Method for reducing the amount of and preventing the formation of hydrogen sulfide in an aqueous system
Hydrogen sulfide present in an aqueous system is removed and the production of hydrogen sulfide by sulfate-reducing bacteria (SRB) is eliminated by introducing into the system nitrite and nitrate...
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5403487 |
Process for biochemical oxidation of ultra-toxic wastewater in a packed bed bioreactor
The biochemical oxidation of two wastewater feeds, one containing at least ten times more ammonia nitrogen, and the other at least ten times more chlorinated hydrocarbons, than present in a...
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5401413 |
Method for enhancing the biodegradation of biodegradable organic wastes
The invention provides a composition for enhancing the biodegradation of biodegradable organic wastes comprising a combination of organic-waste consuming microorganisms and liposomes wherein the...
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5397473 |
Biological treatment method for water
A biological treatment method for water containing nitrogen and phosphorus is provided. Treatment is carried out by contacting the water with one or more substituted or unsubstituted hydrocarbon...
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5389258 |
Method for the anaerobic decomposition of organic waste
Method for the anaerobic decomposition of degradable organic waste and for the extraction of biogas from the latter in a reactor (1), according to which method the waste is put in a reactor (1)...
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5387343 |
Method for improving bottom and water quality in water areas and a set of agents used in the method
A method for improving the quality of bottom and water in water areas where sludge is deposited on the bottom. In a sample water area, lime, activated sludge and anaerobic sludge, diatomaceous...
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5384048 |
Bioremediation of contaminated groundwater
An apparatus and method for in situ remediation of contaminated subsurface soil or groundwater contaminated by chlorinated hydrocarbons. A nutrient fluid is selected to stimulate the growth and...
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5376183 |
Method for cleaning industrial and domestic articles and surfaces contaminated with organic or lipophilic wastes
The present invention provides a method for cleaning industrial and domestic surfaces and articles, as herein defined, which are contaminated with organic or lipophilic wastes, comprising applying...
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