Class 423/449.8 - Solid material in feed

Subclass of Class 423 - Chemistry of inorganic compounds
Definition: Processes which include feeding stock material that is
No. of patents: 23
Last issue date: 04/07/2009

Number	Title	Issue Date
7514062	Process for the production of furnace black Process for the production of furnace black by producing a stream of hot combustion gases in a combustion chamber, feeding the hot combustion gases along a flow axis from the combustion chamber through a reactor narrow point into a reaction zone, mixing carbon black...	04/07/2009
6887450	Directional assembly of carbon nanotube strings A solution containing randomized nanotubes is introduced into a channelized mold and the solution is dried resulting in a number of parallel nanotubes stretched across the walls of the channel. In one embodiment, the channels are open along their longitudinal axis a...	05/03/2005
6114280	Highly activated carbon from caustic digestion of rice hull ash and method Disclosed are highly activated carbon particles derived from caustic digestion of rice hull ash obtained from thermal pyrolysis of rice hulls having an iodine number of at least 650 to 1000. The activated carbon pores are free of silicate residue from the...	09/05/2000
5858911	Method of producing activated carbon Disclosed is a rigid fine-celled foam composition and a method of producing it. The foam composition is nontoxic, environmentally friendly, has improved absorption/adsorption and retention of liquids, is not as hard as prior art foams, does not include po...	01/12/1999
5478442	Treatment of petroleum cokes with a puffing inhibitor in a rotary calciner A rotary hearth calciner for treating petroleum cokes with a puffing inhibitor has a horizontal or inwardly sloping hearth floor rotatable around a vertical axis for receiving particles of coke to be calcined and a central opening in the hearth floor for ...	12/26/1995
5427762	Process for the conversion of carbonaceous feedstocks to particulate carbon and methanol A process for the production of a pollutant-free particulate carbon (i.e., a substantially ash-, sulfur- and nitrogen-free carbon) from carbonaceous feedstocks. The basic process involves de-oxygenating one of the gas streams formed in a cyclic hydropyrol...	06/27/1995
5247005	Process for the production of mouldings In a particularly advantageous process for the production of mouldings from expandable graphite, the expandable graphite is first converted into a pre-expanded form and the latter is compression moulded in a compression moulding apparatus at temperatures ...	09/21/1993
5232679	Process for production of value-added coproducts from coal and other carbonaceous materials Coal is heated between about 95° and 250° C. to evaporate moisture, but not volatile hydrocarbons. The dried coal is heated to a temperature between about 400° and 700° C. to recover volatile hydrocarbons and to form char, the char is treated with hyd...	08/03/1993
5138959	Method for treatment of hazardous waste in absence of oxygen Hazardous waste treatment method and apparatus are disclosed in the preferred and illustrated embodiment. A feedstock of solid or liquid hazardous waste material is combusted in a plasma generator in the absence of oxygen and converted into non-hazardous ...	08/18/1992
5037628	Method for reclaiming carbonaceous material from a waste material A method for reclaiming carbon black from scrap rubber material including the following steps. The scrap rubber material is first pyrolyzed to produce a char material that contains a mixture of agglomerated or cluster particles which consist of agglomerat...	08/06/1991
5007987	Method for producing needle coke The friability of green needle coke is reduced by heating the green needle coke to a temperature between about 875° F. and about 1,200° F. for a time sufficient to reduce the friability of the green needle coke....	04/16/1991
4995999	Method of producing magnetic carbon black Magnetic carbon black, a process for preparing the same, and a method of modifying magnetic carbon black are provided. The magnetic carbon black is prepared by process A in which when a hydrocarbon is supplied into a high temperature combustion gas stream...	02/26/1991
4987115	Method for producing generator gas and activated carbon from solid fuels A method and an apparatus for producing generator gas and activated carbon from solid fuels. A first gasification stage is supplied with fuel by an underfeed charging system and preheated air, the air and fuel being supplied in the same direction. In a se...	01/22/1991
4882103	Process for producing carbon product having coarse and dense structure A process for producing a carbon product having coarse and dense portions, the process including producing an integral porous carbon having high strength and uniform porosity distribution with dense structure carbon moldings. The carbon moldings are produ...	11/21/1989
4882102	Process for producing hard carbonaceous sheets An improved process for producing hard carbonaceous sheets, which comprises uniformly dispersing as a viscous binder in fine carbon powder a mixture of relatively readily polymerizable thermosetting resins such as monomers, prepolymers or low polymers exh...	11/21/1989
4880765	Process for producing carbon molecular sieves Process for producing carbon molecular sieves for separating oxygen and nitrogen by treating a carbonaceous product with inert gas and steam in a vibrating oven and further treating said product with benzene at a high temperature in a vibrating oven to th...	11/14/1989
4689210	Separation of ash and char in the formation of carbon black from coal A process of separating ash and char and the partial combustion formation fo carbon black from coal wherein coal, fuel and air are introduced at the top of a down draft slagging combustor operating above the melting point of ash so that molten ash aggrega...	08/25/1987
4590056	Method of making carbon black having low ash content from carbonaceous materials Commercially acceptable carbon black may be produced from coal or other carbonaceous material with the ash content in the resultant product kept below approximately one percent (1%) by controlling the oxygen to coal weight ratio so that it is less than 0....	05/20/1986
4490160	Method for enrichment of nitrogen in air by the method of adsorption and a carbonaceous adsorbent suitable therefor The invention provides an improvement in the method for the enrichment of nitrogen in air by the method of selective adsorption of oxygen in air on a carbonaceous adsorbent material. The improvement comprises the use of an adsorbent material prepared in a...	12/25/1984
4382913	Process and an agent for the adsorption and catalytic decomposition of foul-smelling intestinal gases There is provided a process for the adsorption and catalytic decomposition of foul-smelling intestinal gases, particularly mercaptans, wherein the intestinal gases are passed through a highly specific adsorbent which, out of a mixture of water vapor, meth...	05/10/1983
4279881	Carbon black production from solid carbonaceous feedstock In an aspiration chamber of a carbon black reactor, the discharge end of a hydrocarbon inlet and the aspiration inlet of a hydrocarbon reaction section are arranged in such a proximate relationship that the hydrocarbon feed entering from said inlet into s...	07/21/1981
3975504	Production of carbon black from coal A method and apparatus for producing carbon black by pyrolytic decomposition of coal with hot combustion gases. In a cylindrically shaped vertical reactor coal is tangentially introduced, thus establishing a helically flowing mass of pulverized coal. This...	08/17/1976
3972985	Reduction of deposits in carbon black reactors Deposits in a carbon black reactor are reduced by passing feed oil, quench water and/or liquid fuel to the reactor through a magnetic field prior to introduction into the reactor....	08/03/1976

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Class 423/449.8 - Solid material in feed