Matches 251 - 300 out of 330 < 1 2 3 4 5 6 7 >
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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
3525673 CLOSED,CONTROLLED SYSTEM FOR CARBONIZING ORGANIC REFUSE  
3441628 PROCESS FOR PRODUCING WAXLIKE LOW MOLECULAR ETHYLENE POLYMERS AND COPOLYMERS  
3436314 TECHNIQUE FOR CONVERTING BAGASSE AND OTHER MOIST PLANT SUBSTANCES INTO CHARCOAL  
3436312 CARBONIZATION OF BAGASSE  
3414480 Fractional vapor product absorption of fluidized lignite carbonization  
3362887 Apparatus for and method of reducing refuse, garbage and the like to usable constituents  
3298928 Pyrolysis of cellulosic material in concurrent gaseous flow  
3275547 Method of treating sewage  
3271268 Process of calcining coke  
3258409 Method for producing coke  
3186923 Process for improving the low molecular weight yield in bark pyrolysis  
3163496 Hydrocarbon conversion process  
3035989 Preparation of high purity coke and graphite  
3005761 Process for the preparation of coke with highly moderating properties and for the use thereof in nuclear reactors  
2998354 Transfer line heater in calcining fluid coke  
2927062 Process and apparatus for calcination of carbonaceous materials  
2922752 Continuous carbonization process and apparatus  
2905595 Tar sand distillation process and apparatus  
2898272 Treatment at elevated temperatures and/or carbonization of carbonaceous materials  
2878163 Purification process  
2844525 Fluid retorting process  
2824047 Desulfurization of carbonaceous solid fuels  
2822321 New carbon product and method for manufacturing the same  
2814588 Purification of petroleum coke  
2813822 Apparatus and method for calcining petroleum coke, coal and similar substances containing volatile combustible material  
2808370 Metallurgical coke  
Matches 251 - 300 out of 330 < 1 2 3 4 5 6 7 >