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Method for the analysis of gas produced by a titanium tetrachloride fluidized bed reactor

A fluidized bed reactor, titanium tetrachloride technology, applied in titanium tetrachloride, chemical instruments and methods, titanium halide and other directions, can solve the problems of sampling system corrosion, blockage and so on

Inactive Publication Date: 2006-06-21
TRONOX LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Concentration of titanium tetrachloride followed by analysis of the exhaust gas stream is more appropriate, but still presents a problem because the necessary sampling system gradually corrodes and clogs

Method used

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  • Method for the analysis of gas produced by a titanium tetrachloride fluidized bed reactor
  • Method for the analysis of gas produced by a titanium tetrachloride fluidized bed reactor
  • Method for the analysis of gas produced by a titanium tetrachloride fluidized bed reactor

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Embodiment Construction

[0014] see now figure 1 , what this figure shows is the side view of the upper section of the fluidized bed reactor 10 for producing titanium tetrachloride, and the reactor 10 is provided with a nozzle 11 with a diameter of 7.5 cm at the top of the reactor. A flanged first rotor 12 with a diameter of 7.5 cm is connected to a flanged nozzle 11 . A flanged ball valve 13 with a diameter of 7.5 cm is connected to the first rotor 12 , and a flanged second rotor 14 with a diameter of 3 cm is connected to the valve 13 . A corundum window 15 (shown at the transverse section) is sandwiched between the rotor 14 and a 7.5 cm diameter flanged elbow 16 (shown at the transverse section). Infrared mirror 17 (shown at the cross-section plane) reflects infrared light 18 in reactor 10 (assuming ball valve 13 is open) into Fourier transform infrared spectrometer 19 . The spectrometer 19 is provided on an equipment table 20 (shown at the cross-section plane) which is provided on a platform 21 (...

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Abstract

A method to determine the concentration ratio of carbon monoxide to carbon dioxide in the gaseous product of a fluidized bed reactor for producing titanium tetrachloride. The hot fluidized bed of the reactor is used as the source of infrared radiation which radiation is directed through the gaseous products in upper portion of the reactor through a window in the reactor to an infrared spectrometer. The concentration ratio can be used to control the temperature of the fluidized bed reactor by controlling the amount of cool titanium tetrachloride that is introduced into the reactor.

Description

technical field [0001] The invention relates to a chemical analysis method for determining the components of a gas mixture. In particular, the invention relates to a method for determining the composition of gaseous products in a fluidized bed reactor for the production of titanium tetrachloride using the chloride process. In addition, the present invention also relates to a method for controlling the temperature of the above-mentioned fluidized bed reactor. Background technique [0002] The chloride process for producing titanium dioxide is well known, see volume 24 of the Kirk-Othmer Encyclopedia of Chemical Technology (4th Ed., 1997) and volume 1 of the Pigment Handbook, Edited by Lewis (2nd Ed., 1988). The first step in the process of producing titanium dioxide chloride is the chlorination of titanium-containing substances such as rutile in a fluidized bed reactor, see US Patents 2,701,179; 2,790,703; 3,526,477; 3,883,636; 3,591,333; 4,961,911; 5,389,353; 5,670,121 and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/30B01J8/24B01J19/00C01G23/02C22B1/10C22B34/12G01N21/35
CPCB01J8/1809B01J19/0013B01J2219/002B01J2219/00218B01J2219/00231C01G23/022C01P2002/82C22B1/10C22B34/1222G01N21/3504Y10T436/12G01B11/30B01J19/00C01G23/02C22B34/12Y02P10/20
Inventor D·T·小特鲍A·J·莫里斯J·B·帕金斯
Owner TRONOX LLC