Preparation method of blotted carbon microsphere for adsorbing dibenzothiophene

A technology of dibenzothiophene and carbon microspheres, applied in the direction of adsorption, chemical instruments and methods, alkali metal oxides/hydroxides, etc., can solve the difficulty of removing dibenzothiophenes and sulfides Work and other issues

Active Publication Date: 2012-12-19
TAIYUAN UNIV OF TECH
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Problems solved by technology

[0002] Sulfides in petroleum mainly exist in the form of mercaptans, thioethers, disulfides, thiophenes and their derivatives. The types and contents of sulfur-containing compounds in gasoline in my country show that the sulfur content of thiophenes is the highest, and thiophenes, The removal of benzothiophenes and dibenzothiophenes is very difficult, and the traditional hydrodesulfurization method is difficult to remove such sulfides

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  • Preparation method of blotted carbon microsphere for adsorbing dibenzothiophene
  • Preparation method of blotted carbon microsphere for adsorbing dibenzothiophene
  • Preparation method of blotted carbon microsphere for adsorbing dibenzothiophene

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[0129] The present invention will be further described below in conjunction with accompanying drawing:

[0130] figure 1 As shown, it is the state diagram of carbon microspheres for oxidation treatment. The position and connection relationship of each part must be correct, and the ratio should be adjusted according to the amount, and the operation should be performed in sequence.

[0131] Quantities of chemicals used in preparation are determined in pre-set ranges in grams, milliliters, centimeters 3 is the unit of measurement.

[0132] The oxidation treatment of carbon microspheres is carried out on an ultrasonic disperser, which is completed in an ultrasonic water bath, heating and stirring;

[0133] The ultrasonic disperser is vertical, the upper part of the ultrasonic disperser is an ultrasonic water tank 7, the ultrasonic water tank 7 is ultrasonic water 8, the upper part of the ultrasonic water tank 7 is a tank cover 9, and a beaker 11 is installed in the middle of the...

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Abstract

The invention relates to a preparation method of blotted carbon microspheres for adsorbing dibenzothiophene, which comprises the following steps: performing oxidation treatment of carbon microspheres, then performing silanization reaction, surface modification, and polymerization elution to obtain the blotted carbon microspheres; irregular hole blots are formed on microsphere surfaces; the preparation method is advanced and reasonable in technology, short in process flow, detailed and accurate in data, and good in product morphology; the product purity is as high as 99%; the product yield is as high as 91%; the blotted carbon microspheres are black round particles with a particle diameter of 100-200 nm, can be matched with various chemical substances; the method of the invention is a quite ideal method for preparing blotted carbon microspheres; and the product is applicable to pharmacy and fine chemical engineering.

Description

technical field [0001] The invention relates to a method for preparing imprinted carbon microspheres adsorbing dibenzothiophene, and belongs to the technical field of organic carbon material-carbon microsphere surface functional modification and application. Background technique [0002] Sulfides in petroleum mainly exist in the form of mercaptans, thioethers, disulfides, thiophenes and their derivatives. The types and contents of sulfur-containing compounds in gasoline in my country show that the sulfur content of thiophenes is the highest, and thiophenes, The removal of benzothiophenes and dibenzothiophenes is very difficult, and the traditional hydrodesulfurization method is difficult to remove such sulfides. [0003] Adsorption desulfurization has become an important desulfurization technology because of its simplicity, convenience and speed. Among them, molecularly imprinted adsorption desulfurization agent can become a new desulfurization agent because of its high selec...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F292/00C08F226/06C08F222/14C08J9/26B01J20/26B01J20/28B01J20/30
CPCY02C10/08Y02C20/40
Inventor 刘旭光杨永珍张燕许并社
Owner TAIYUAN UNIV OF TECH
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