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3886088 |
Process for the preparation of a granular activated carbon, and granular activated carbons produced thereby
A process for the preparation of a granular activated carbon by treating synthetic and/or natural rubber in the form of cut up or ground rubber objects with sulphur, sulphuric acid, sulphur...
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3878051 |
Desulfurizing coke with phosgene or a mixture of carbon monoxide and chlorine
Coke is desulfurized by contacting coke with phosgene gas or a mixture of carbon monoxide and chlorine, at a temperature from 1200°-1800°F. to produce coke having a sulfur content of no greater...
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3876538 |
Process for disposing of aqueous sewage and producing fresh water
Disclosed is a process for disposing of aqueous sewage and for producing fresh water by coking the sewage in the liquid phase to form gases, coke and an effluent which is extracted with a hot...
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3875077 |
METHOD OF AND APPARATUS FOR PRODUCING ACTIVATED CHARCOAL FROM WASTE TIRES
A method of producing activated charcoal comprising the steps of cutting waste tires into small pieces, subjecting these cut pieces of tires to high-temperature heating and burning in an atmosphere...
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3873427 |
Desulfurizing coke using a ferruginous material and a metal chloride
Coke is desulfurized at a temperature of at least 2,100°F., in the presence of a ferruginous material and a metal chloride. The ferruginous material and metal chloride may be blended with a coking...
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3862887 |
METHOD FOR PROCESSING HEAT-DECOMPOSABLE NON-GASEOUS MATERIALS
Method for treating municipal waste comprised of solid heat-decomposable materials wherein the waste material is heated directly by convection in a rotary kiln and preferably also by radiation from...
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3862909 |
Fluidized bed autogenous combustion and pyrolysis of aqueous effluents to prepare activated carbon
A pollution controlling aqueous waste treatment method, especially suitable for use in connection with pulp and paper mill operations, by which method waste effluents containing carbonaceous...
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3855069 |
FORMATION REDUCTION IN PRESSURE COKING EQUIPMENT
Formation of mineral type scale in pressure coking equipment used in coking waste materials in the liquid phase is eliminated by effecting the coking of such materials using direct counter-current...
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3849332 |
SEQUENTIAL CARBONIZATION AND ACTIVATION OF FIBROUS MATERIAL IN A CARBON DIOXIDE ATMOSPHERE
Highly-activated, strong, flexible, fibrous carbon is produced by upward passage of a fibrous organic starting material under critical conditions in a carbon dioxide-containing atmosphere through a...
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3847752 |
AIR DIFFUSION IN ROTARY HEARTH CALCINER
Improved operation of a rotary hearth calciner is obtained by introducing the air into the furnace through diffusers or registers spaced above the bed at the circumference of the hearth - the...
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3829558 |
DISPOSAL OF WASTE PLASTIC AND RECOVERY OF VALUABLE PRODUCTS THEREFROM
A method of disposing of waste plastic without polluting the environment by passing the plastic to a reactor, heating the plastic in the presence of a gas to at least the decomposition temperature...
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3816084 |
COKELESS COKER WITH RECYCLE OF COKE FROM GASIFIER TO HEATER
In a fluid coking process in which coke from the coker is passed to a heater and then to a gasifier and in which part of the heat for the heater is supplied by the gases from the gasifier,...
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3807564 |
COMPACT SEWAGE TREATMENT UNIT
A compact sewage treatment unit has at least one pressure vessel containing a heat exchanger in which a waste stream is heated to coking temperature to coke the bulk of the organic wastes except...
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3744439 |
METHOD OF SUPPLYING REFUSE TO A GAS PRODUCING CHAMBER FOR DISPOSAL OF THE REFUSE AND A REFUSE DISPOSAL PLANT COMPRISING A GASIFICATION CHAMBER
A method of supplying refuse to a gasification chamber by which the refuse is introduced into a feed shaft communicating with the gasification chamber and, in a preheating zone at the lower portion...
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3725538 |
PRODUCTION OF CARBON FROM WASTE MATERIALS
A waste materials processing system and method sometimes involving material recycling, which converts solid waste materials, such as household garbage, demolition debris, and so forth, to usable...
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3716339 |
HYDROGEN CHLORIDE RECOVERY INCINERATOR FOR PLASTICS CONTAINING HYDROGEN AND CHLORINE
An apparatus for the disposal of scrap vinyl polymers containing chlorine and hydrogen. The apparatus includes a rotary kiln that is adapted to receive said scrap plastic and heat the same to a...
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3702039 |
PRODUCTION OF USABLE PRODUCTS FROM WASTE MATERIAL
In an apparatus and method of treating waste materials for recovering valuable materials including a fuel gas and liquid hydrocarbons, the waste materials are charged to the upper end of a vertical...
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3676365 |
METHOD FOR MANUFACTURING ACTIVATED CARBON AND APPARATUS THEREFOR
In preparing activated carbon by carbonizing and then activating cellulosic material impregnated with activating agent, the process of the invention is characterized by continuously supplying said...
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3671403 |
PROCESS FOR COKING PUMPABLE ANIMAL AND DAIRY WASTES
Animal and dairy wastes are converted to deodorized coke suitable for use as fertilizer or soil conditioner, an aqueous odor-free effluent having low chemical oxygen demand and reduced phosphorus...
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3668077 |
PROCESS FOR CONVERSION OF MUNICIPAL WASTE
There is provided a process for treating municipal solid waste or the like characterized by disposing such material as a burden on a traveling grate, passing hot gases through the burden to...
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3660245 |
APPARATUS FOR CONTINUOUS MANUFACTURE OF FURFURAL AND ACETIC ACID
An apparatus for continuously producing furfural and acetic acid by thermodecomposition of ligneous and similar raw materials in the presence of the catalyst and in an inert atmosphere. A source of...
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3649292 |
RECOVERY OF PRODUCTS FROM PLANTAIN WASTES IN GHANA
The invention relates to an overall method of producing valuable products from plantain so that material which normally constitutes a considerable amount of waste is put to economic utility....
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3644131 |
REINFORCING AGENT FROM SCRAP RUBBER CHAR
Scrap rubber, e.g., scrap tire stock, is destructively distilled to produce a carbonaceous char which is then ground to particles having an average particle size of less than about 2.5 microns with...
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3607062 |
PROCESS AND APPARATUS FOR THE FLUIDIZED CALCINING OF COKE
Controlled calcination of coke is accomplished by feeding raw coke, together with controlled amounts of oxygen and carbon monoxide, to maintain a calcining temperature in the range of from about...
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3525673 |
CLOSED,CONTROLLED SYSTEM FOR CARBONIZING ORGANIC REFUSE
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3441628 |
PROCESS FOR PRODUCING WAXLIKE LOW MOLECULAR ETHYLENE POLYMERS AND COPOLYMERS
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3436314 |
TECHNIQUE FOR CONVERTING BAGASSE AND OTHER MOIST PLANT SUBSTANCES INTO CHARCOAL
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3436312 |
CARBONIZATION OF BAGASSE
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3414480 |
Fractional vapor product absorption of fluidized lignite carbonization
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3362887 |
Apparatus for and method of reducing refuse, garbage and the like to usable constituents
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3298928 |
Pyrolysis of cellulosic material in concurrent gaseous flow
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3275547 |
Method of treating sewage
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3271268 |
Process of calcining coke
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3258409 |
Method for producing coke
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3186923 |
Process for improving the low molecular weight yield in bark pyrolysis
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3163496 |
Hydrocarbon conversion process
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3035989 |
Preparation of high purity coke and graphite
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3005761 |
Process for the preparation of coke with highly moderating properties and for the use thereof in nuclear reactors
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2998354 |
Transfer line heater in calcining fluid coke
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2927062 |
Process and apparatus for calcination of carbonaceous materials
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2922752 |
Continuous carbonization process and apparatus
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2905595 |
Tar sand distillation process and apparatus
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2898272 |
Treatment at elevated temperatures and/or carbonization of carbonaceous materials
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2878163 |
Purification process
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2844525 |
Fluid retorting process
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2824047 |
Desulfurization of carbonaceous solid fuels
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2822321 |
New carbon product and method for manufacturing the same
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2814588 |
Purification of petroleum coke
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2813822 |
Apparatus and method for calcining petroleum coke, coal and similar substances containing volatile combustible material
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2808370 |
Metallurgical coke
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