This patent describes a process for producing carbon black. It comprises introducing a fuel and oxidant into a combustion zone at a rate sufficient to produce a gauge pressure within the combustion zone of at least 2.0 inches (51 mm) of mercury; reacting the fuel and the oxidant so as to provide a stream of hot combustion gases possessing sufficient energy to convert a …
# Thermal black process - natural gas is burned in a reactor to produce carbon black and tailgas, and is then processed in a fashion similar to the furnace black process. # Acetylene black process - similar to the thermal black process, except that acetylene is the raw material used, and the carbon black is not processed into pellets ...
An apparatus for producing carbon black comprises a reaction chamber which consists of a tapered throat and a downstream extension of the throat having the same diameter as that of the narrowest portion of the throat and provided with a plurality of ribs on its inner wall which define a plurality of flits parallel to the axis of the reaction chamber.
Patent No. U.S. 7,655,209 B2 Cabot Corporation has received a patent for a furnace carbon black producing process comprised of the steps of (a) obtaining off-gas from a carbon black furnace, (b) dewatering and heating the off-gas and substantially removing any existing carbon black therefrom to obtain dewatered and heated off-gas, and then (c) feeding …
The continuous process of producing carbon black and synthesis gas for liquid fuel, which is characterized by the steps of continuously delivering to an unobstructed combustion space natural gas in rows of small jets, enveloping each row of jets in a stream of nitrogen-free recycled gas, enveloping each current of recycled gas in a stream of ...
Our proprietary process for producing carbon black virtually eliminates CO 2 emissions compared to the traditional process. When our expansion is complete, Monolith's process is expected to prevent the release of several hundred thousand tons of CO 2 per year. And that's just the beginning.
Process for producing carbon black Download PDF Info Publication number US4340577A. US4340577A US06/212,433 US21243380A US4340577A US 4340577 A US4340577 A US 4340577A US 21243380 A US21243380 A US 21243380A US 4340577 A US4340577 A US 4340577A Authority US United States
Process for producing carbon black Download PDF Info Publication number US2659662A. US2659662A US195529A US19552950A US2659662A US 2659662 A US2659662 A US 2659662A US 195529 A US195529 A US 195529A US 19552950 A US19552950 A US 19552950A US 2659662 A US2659662 A US 2659662A Authority US United States Prior art …
The invention provides an improved process for producing carbon black, and relates to the technical field of carbon black production processes. The improved process for producing carbon black comprises the following specific steps: s1, preparing a combustion chamber, injecting a proper amount of raw oil into a combustion pool, and placing the combustion …
A process for producing carbon black by thermally decomposing a hydrocarbon starting material in a production furnace by introducing the starting material to a high temperature zone heated by a high temperature combustion gas formed by burning a fuel and an oxygen-containing gas by a high temperature combustion gas-generating burner, characterized in that an alkali …
a process for producing carbon black from crushed coal. the coal is carbonized in a fluidized bed in a refractory reactor at 1200*c. the char is removed in a cyclone separator and the remaining flue gases laden with carbon black are passed through a water scrubber, an electrostatic precipitator and a further cyclone to remove and collect the carbon black.
US4582695A US06/652,027 US65202784A US4582695A US 4582695 A US4582695 A US 4582695A US 65202784 A US65202784 A US 65202784A US 4582695 A US4582695 A US 4582695A Authority US United States Prior art keywords combustion gases hot combustion zone reactor accelerated Prior art date Legal status (The legal status is an assumption …
Process for producing carbon black, acrylonitrile and hydrogen cyanide Download PDF Info Publication number US2796327A. US2796327A US375632A US37563253A US2796327A US 2796327 A US2796327 A US 2796327A US 375632 A US375632 A US 375632A US 37563253 A US37563253 A US 37563253A US 2796327 A US2796327 A US 2796327A
Process for producing carbon black Download PDF Info Publication number US4315901A. US4315901A US06/171,923 US17192380A US4315901A US 4315901 A US4315901 A US 4315901A US 17192380 A US17192380 A US 17192380A US 4315901 A US4315901 A US 4315901A Authority US United States Prior art keywords zone generally cylindrical inches
6.1.1 Process Description. Carbon black is produced by the reaction of a hydrocarbon fuel such as oil or gas with a limited supply of combustion air at temperatures of 1320 to 1540°C (2400 …
Process for producing carbon black . United States Patent 3922335 . Abstract: There is disclosed herein a process for the production of oil furnace carbon blacks, which process is …
The process uses a pair of furnaces that alternate approximately every five minutes between preheating and carbon black production. The natural gas is injected into the hot refractory lined furnace, and, in the absence of air, the …
Off-gas from a carbon black furnace is employed as a combustion gas feed stream to the burner or combustion zone of the same or a different carbon black furnace in accordance with certain embobiments, suitable conduit and valving is provided to pass off-gas, from which carbon black has been substantially removed, from any or all of multiple different carbon black furnaces to …
The thermal black process uses natural gas, consisting primarily of methane or heavy aromatic oils, as feedstock material. The process uses a pair of furnaces that alternate approximately every five minutes between preheating and …
EP0175327B1 - Process for producing carbon black - Google Patents Process for producing carbon black Download PDF Info Publication number ... carbon black zone high temperature gas activating agent Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis ...
Two carbon black manufacturing processes (furnace black and thermal black) produce nearly all of the world's carbon blacks, with the furnace black process being the most common. The …
6.1 Carbon Black 6.1.1 Process Description Carbon black is produced by the reaction of a hydrocarbon fuel such as oil or gas with a limited supply of combustion air at temperatures of 1320 to 1540°C (2400 to 2800°F). The unburned carbon is collected as an extremely fine black fluffy particle, 10 to 500 nanometers (nm) in diameter. The principal
carbon black producing carbon producing black carbon Prior art date Application number ZA814511A Inventor P Cheng K Mills Original Assignee Phillips Petroleum Co Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of ...
A process for producing carbon black comprising reacting a reaction stream formed by a prior carbon black forming process with an oxidant and a carbon black yielding feedstock to produce carbon black and cooling, separating and recovering the carbon black. The process advantageously reduces the amount of fuel needed to produce carbon black.
A process for producing carbon black in a reaction system comprising a first zone where a heating fuel material and an oxygen-containing gas are mixed, and a high temperature combustion gas stream is formed, a second zone where a hydrocarbon starting material is mixed to the high temperature combustion gas stream to form carbon black, and a third zone …
A process for producing carbon black by a reaction conducted in a first reaction zone in which by a high temperature combustion gas-generating system, an oxygen-containing gas and a fuel are mixed and burned to form a high temperature combustion gas stream, a second reaction zone having a throat in which a hydrocarbon feedstock is mixed to the high temperature combustion …
A process is described for producing carbon black in a reaction flow passage having an upstream end, a converging zone, a reactor throat, a reaction zone, a quench zone, and a …
However, from the plasma of the test situation on carbon black production, there are some problems, such as plasma generators consume more power, plasma gas tend to use higher-priced gas such as nitrogen; electrode to generate the plasma may be loss interior of the reactor will produce coke, make difficult the process of continuous and stable ...