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Catalyst for removing organic chloride contained in hydrocarbon and preparing method thereof

A technology of organic chlorides and catalysts, applied in the direction of physical/chemical process catalysts, chemical instruments and methods, chemical/physical processes, etc., can solve the problems of harsh preparation conditions and relatively expensive prices, and achieve simple preparation methods and dechlorination effects Good, short process effect

Inactive Publication Date: 2008-07-30
CHINA PETROCHEMICAL CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the reaction conditions of the above-mentioned renewable adsorbent and reducing agent are mild, the price is relatively expensive and the preparation conditions are harsh.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Dissolve 20 grams of zinc chloride and 30 grams of zinc sulfate in 150 mL of distilled water, take 100 grams of calcined and formed alumina carrier and impregnate it at room temperature for 10 hours, then dry it in an oven at 100°C for 6 hours, and put it in a muffle furnace for 400 Calcined at ~500°C for 8 hours, and slowly cooled to room temperature to prepare catalyst A.

Embodiment 2

[0020] Dissolve 10 grams of zinc chloride and 10 grams of zinc sulfate in 150 mL of distilled water, take 100 grams of calcined and formed alumina carrier and impregnate it at room temperature for 10 hours, then dry it in an oven at 100°C for 6 hours, and put it in a muffle furnace for 400 Calcined at ~500°C for 8 hours and cooled to room temperature to prepare catalyst B.

Embodiment 3

[0022] Dissolve 30 grams of aluminum chloride and 20 grams of aluminum phosphate in 150 mL of distilled water, take 100 grams of activated carbon and impregnate it at room temperature for 10 hours, then dry it in an oven at 90°C for 8 hours, put it in a muffle furnace and bake it at 400-500°C for 8 hours , and slowly cooled to room temperature to prepare catalyst C.

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Abstract

The invention relates to a catalyst used for removing organic chloride in hydrocarbons. The catalyst is composed of 5-40 percent of active compositions and 95 percent-60 percent of carriers, which are calculated according to total weight of the total catalyst. The catalyst is prepared through the following three steps: 1) the catalyst carriers are dipped into aqueous solution with the active compositions for 2-20 hours; 2) the catalyst dipped in the step 1) is dried for 1-24 hours at 20-150 DEG C; 3) the catalyst dried in the step 2) is roasted for 1-24 hours at 300-600 DEG C, and then the temperature thereof is cooled to room temperature. By adopting the catalyst, the removal rate of the organic chloride in oil products is more than 90 percent.

Description

field of invention [0001] The invention belongs to the field of refining hydrocarbons, and relates to a catalyst for removing organic chlorides in hydrocarbons and a preparation method thereof. Background technique [0002] In the late stage of oilfield exploitation, in order to increase the output of oilfields, many oilfields use some additives containing organic chlorides to increase the oil recovery rate, thus increasing the chloride content in crude oil. The current crude oil electric desalting process can only remove most of the inorganic chlorides in crude oil, but cannot remove the organic chlorides in crude oil. As a raw material for ethylene production and catalytic reforming, naphtha is usually obtained by direct distillation of crude oil, or it can be obtained after hydrofinishing of secondary processed gasoline. The organic chlorides in crude oil, the remaining undecomposed organic chlorides enter the naphtha along with the distillate during the atmospheric and ...

Claims

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Application Information

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IPC IPC(8): B01J27/10B01J27/053B01J27/18C10G45/04
Inventor 于凤昌段永锋彭松梓李春贤李超发张宏飞徐静
Owner CHINA PETROCHEMICAL CORP
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