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4532210 |
Process for producing hydrogen by alga in alternating light/dark cycle and environmental aerobic/microaerobic conditions
Hydrogen is biologically, effectively produced by an alga in an alternating light/dark cycle which comprises alternating a step for cultivating the alga in water under aerobic conditions in the...
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T105605 |
Cyclotriphosphazatriene-derivatives as soil urease activity inhibitors
Tests show that 2,2,4,4,6,6-hexaaminocyclotriphosphazatriene, 2-phenoxy-2,4,4,6,6-pentaaminocyclotriphosphazatriene, 2,4-diphenoxy-2,4,6,6-tetraaminocyclotriphosphazatriene and...
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4497778 |
Microbial leaching of sulphide-containing ores
A process of extracting metals from a material containing at least 10% by weight of pyrite and selected from the group consisting of ores containing sulphide, concentrates of such ores and mixtures...
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4480035 |
Production of hydrogen
A process for the production of hydrogen from glucose by innoculating a glucose solution with hydrogen producing bacteria to form hydrogen and carbon dioxide, separating the hydrogen from the...
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4468461 |
Microbiological removal of chromate from contaminated waste water
A new strain of Pseudomonas fluorescens is disclosed for use in the removal of chromate from waste water.
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4452896 |
Culture medium and conditions for growth of magnetic bacteria
A biologically pure culture of a bacterium of the genus Aquaspirillum, designated MS-1, has been found to contain chains (so-called magnetosomes) of single domain magnetite particles. The magnetite...
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4448886 |
Biodispersions
A process for producing high dispersion metal crystallites dispersed substantially homogeneously in a carbonaceous material matrix is disclosed. The novel metal crystallite dispersions disclosed...
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4442211 |
Method for producing hydrogen and oxygen by use of algae
Efficiency of process for producing H 2 by subjecting algae in an aqueous phase to light irradiation is increased by culturing algae which has been bleached during a first period of irradiation in...
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4421668 |
Bleach composition
A liquid bleach composition comprises a hydrogen peroxide precursor which includes as an enzyme an alcohol oxidase and as a substrate for the enzyme the corresponding alcohol, the enzyme and the...
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4420559 |
Method of enzymatically converting a substrate using membrane vesicles
The present invention relates to a method involving enzymatic catalyzed chemical reactions with substrates dissolved in an aqueous solution by means of enzymes. Membrane vesicles, loaded with the...
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4385119 |
Magnetic bacteria and products derived therefrom
A biologically pure culture of a bacterium of the genus Aquaspirillum, designated MS-1, has been found to contain chains (so-called magnetosomes) of single domain magnetite particles. The magnetite...
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4375412 |
Methods for the treatment of organic material and particularly sewage sludge
Anaerobic digestion of organic material, particularly biological sludge, such as sewage sludge, is carried out in a closed system having a first digestion tank and a second concentration and...
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4351902 |
Production of 2-keto-D-gluconic acid and hydrogen peroxide
A process is described which is useful as a co-process in combination with a process which employs hydrogen peroxide. The process of the invention provides a source of hydrogen peroxide along with...
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4346172 |
Electrochemical process and apparatus to control the chemical state of a material
Electrochemical process and apparatus to control the chemical state of a material, that is, to cause said material to retain desired characteristics in an environment that normally would cause a...
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4282324 |
Method for producing iodine
This invention relates to the production of iodine. More particularly, the invention relates to the enzymatic oxidation of iodide to iodine and the recovery of said formed iodine.
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4256485 |
Enzyme oxidation of sulfides in minerals
A process for treating sulfide ores to reduce the sulfur content or recover the metal content therefrom comprises the use of enzymatic action to solubilize the sulfur and metal content. A nutrient,...
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4250261 |
Process for the microbial production of alcoholoxidase
A method of producing alcohol oxidase wherein Hansenula polymorpha yeast is cultivated in a nutrient broth containing inorganic nutrient salts of which either the phosphate, nitrate or potassium is...
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4242448 |
Regeneration of scrubber effluent containing sulfate radicals
Stack gases from fossil fuel burning operations before being released to the atmosphere are passed through a scrubber, wherein sulfur dioxide is removed from the gases by scrubbing with metallic...
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4242326 |
Anti-tumor substance and process for preparing the same
An anti-tumor substance which is not only heatstable but also has low inflaming and pain-inducing properties and low pyrogenic activity is disclosed. The substance is prepared by disrupting cells...
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4148690 |
Biophotolysis of water
Method for continuous production of H 2 via the biophotolysis of water in a two step process using a reversibly reduceable cofactor and synergistic photometabolically active microorganisms. The...
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4135976 |
Treatment of photographic processing effluents using photosynthetic sulfur bacteria
A process of treating a waste photographic processing solution containing reductive sulfur compounds, in particular, a waste fix solution for silver halide photographic materials, by applying...
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4039445 |
Matrix of algae and method of making same and method of obtaining uranium from sea water by said matrix
A matrix of algae mutants and method of obtaining thereby uranium from sea water, according to which a matrix is prepared of uranium compatible algae mutants suitable for picking up uranium...
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4032407 |
Tapered bed bioreactor
A vertically oriented conically shaped column is used as a fluidized bed bioreactor wherein biologically catalyzed reactions are conducted in a continuous manner. The column utilizes a packing...
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4010076 |
Reactor for stabilized microbes having photometabolic activity
Useful products such as molecular hydrogen can be continuously produced by reacting a solution of a substrate in the presence of light with a photometabolically active microbe which has been...
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3704546 |
SYMBIOTIC FIXATION OF ATMOSPHERIC NITROGEN
inoculated cells from plants are caused to grow aseptically in a synthetic liquid culture medium to produce a mass of undifferentiated plant cells. These are aseptically incoulated with a symbiotic...
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3499748 |
BACTERIA INOCULATED PLASTER OF PARIS AND AGRICULTURAL SEEDS ADMIXED THEREWITH
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3423289 |
REDUCTION OF GASEOUS NITROGEN TO AMMONIA
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3421942 |
METHOD AND APPARATUS FOR PRODUCING ELECTRICITY COMPRISING A FUEL CELL IN COMBINATION WITH AN ECOLOGICAL SYSTEM
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3393063 |
Method of fixing nitrogen utilizing azotobacter oleovorans
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3310477 |
Method of isolating a desulfovibrio for use in removing sulfates from brine
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3303608 |
Oxygen production by photosynthesis of algae under pressure
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3297545 |
Preparation and recovery of hydrogen
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3256083 |
Method and compositions for treating soil to suppress the nitrification of ammonium nitrogen therein
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3252756 |
Oxidation and recovery of vanadium values from acidic aqueous media
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3241943 |
Method for the production of a fertilizer or soil improvement agent from sulfite waste liquor while recovering acids and combustible gases formed in the process
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3224143 |
Apparatus and method for growing algae to recover oxygen
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3218758 |
Photosynthetic apparatus
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3218252 |
Process for the bacteriological oxidation of ferrous salts in acidic solution
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3131131 |
Electrostatic mixing in microbial conversions
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3020205 |
Recovery of sulfur from sulfates
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3711372 |
Title is not available
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3560344 |
Title is not available
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