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Adsorbent loaded with alkali active components, preparation method of adsorbent loaded with alkali active components and deep dechlorination method

An alkali activity and adsorbent technology, applied in chemical instruments and methods, refining hydrocarbon oils, alkali metal compounds, etc., can solve the problems of increasing operational risk and complexity, consuming large amounts of hydrogen, and long process routes, and achieving a regeneration process. Simple and effective, excellent dechlorination effect, effect of improving adsorption capacity

Active Publication Date: 2018-10-12
CHINA UNIV OF PETROLEUM (BEIJING) +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the high temperature and high pressure reaction conditions of hydrodechlorination increase the risk and complexity of the entire operation, which limits its development; in addition, a large amount of hydrogen needs to be consumed in the process of hydrodechlorination
The price of the catalyst used in the phase transfer catalyst removal method is relatively high; the ordinary adsorption dechlorination method has defects such as long process route, high energy consumption, large investment, and difficulty in industrial promotion

Method used

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  • Adsorbent loaded with alkali active components, preparation method of adsorbent loaded with alkali active components and deep dechlorination method
  • Adsorbent loaded with alkali active components, preparation method of adsorbent loaded with alkali active components and deep dechlorination method
  • Adsorbent loaded with alkali active components, preparation method of adsorbent loaded with alkali active components and deep dechlorination method

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Embodiment 1

[0036] This embodiment provides a preparation method of an adsorbent loaded with an alkali active component, which comprises the following steps:

[0037] Get aluminum hydroxide (specific surface area 230m 2 / g, pore volume 0.65cm 3 / g) 55.0g, add 45.0g distilled water and 6.5mL concentrated nitric acid, mix well, and make a binder. Take 94.5g of 13X molecular sieve raw powder (silicon-aluminum ratio is 2.1), knead 3.0g of scallop powder and the above-mentioned binder, extrude into a strip, dry the wet strip at 110°C for 12 hours, and roast at 550°C for 4 hours to prepare into an adsorbent carrier.

[0038] Dissolve 29.5g of potassium carbonate in distilled water to make a 110mL solution, add the above-mentioned adsorbent carrier into the impregnation solution, impregnate for 6 hours, then filter, dry at 110°C for 10 hours, and roast at 550°C for 4 hours to make a supported Adsorbent A for alkali-active metal components.

[0039] Include 61.6% 13X molecular sieve, 25.3% al...

Embodiment 2

[0047] This embodiment provides a preparation method of an adsorbent loaded with an alkali active component, which comprises the following steps:

[0048] Get aluminum hydroxide (specific surface area 210m 2 / g, pore volume 0.75cm 3 / g) 55.0g, add 45.0g distilled water and 6.5mL concentrated nitric acid, mix well, and make a binder. Take 94.5g of 13X molecular sieve raw powder (silicon-aluminum ratio is 1.0), knead 2.0g of scallop powder and the above-mentioned binder, extrude into a strip, dry the wet strip at 110°C for 12 hours, and roast at 550°C for 4 hours to prepare into an adsorbent carrier.

[0049] Dissolve 29.5g of potassium carbonate in distilled water to make a 110mL solution, add the above-mentioned adsorbent carrier into the impregnation solution, impregnate for 6 hours, then filter, dry at 110°C for 10 hours, and roast at 550°C for 4 hours to make a supported Adsorbent B for alkaline active components.

[0050] Include 61.9% 13X molecular sieve, 24.9% alumin...

Embodiment 3

[0054] This embodiment provides a preparation method of an adsorbent loaded with an alkali active component, which comprises the following steps:

[0055] Get aluminum hydroxide (specific surface area 230m 2 / g, pore volume 0.65cm 3 / g) 55.0g, add 45.0g distilled water and 6.5mL concentrated nitric acid, mix well, and make a binder. Take 94.5g of 13X molecular sieve raw powder (silicon-aluminum ratio is 5), knead 3.0g of scallop powder and the above-mentioned binder, extrude into strips, dry the wet strips at 110°C for 12 hours, and roast at 550°C for 4 hours to prepare into an adsorbent carrier.

[0056] Dissolve 29.5g of potassium carbonate in distilled water to make a 110mL solution, add the above-mentioned adsorbent carrier into the impregnation solution, impregnate for 6 hours, then filter, dry at 110°C for 10 hours, and roast at 550°C for 4 hours to make a supported Adsorbent C for alkaline active components.

[0057] Include 61.5% 13X molecular sieve, 25.3% aluminum...

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Abstract

The invention provides an adsorbent loaded with alkali active components, a preparation method of the adsorbent loaded with alkali active components and a deep dechlorination method. In percentage byweight, per 100% of the adsorbent loaded with alkali active components comprise 30-70% of molecular sieve, 10-50% of active alumina and the balance of alkali active metal components. The preparation method of the adsorbent loaded with alkali active components comprises the following steps of mixing the molecular sieve, an adhesive-bonding agent and a pore-forming agent, molding the mixture by performing kneading, and carrying out drying and calcining so as to obtain an adsorbent carrier; immersing the adsorbent carrier in an aqueous solution of alkali active metal components, and carrying outfiltering, drying and calcining so as to obtain the adsorbent loaded with alkali active components. Being applied during dechlorination process of ionic liquid alkylated oil adopting fixed bed technology, the adsorbent loaded with alkali active components provided by the invention shows excellent dechlorination effects; moreover, regeneration process of the adsorbent is simple, effective, low in energy consumption and free of hydrogen. Ionic liquid alkylated oil underwent dechlorination according to the process can be directly used as gasoline-blending oil.

Description

technical field [0001] The invention belongs to the technical field of dechlorination of alkylated oil, and in particular relates to an adsorbent loaded with alkali active components, a preparation method thereof, and a method for deep dechlorination of ionic liquid alkylated oil by using the adsorbent. Background technique [0002] Alkylate oil is a common high-octane gasoline blending component. It has the advantages of high octane number, good sensitivity, low vapor pressure, wide boiling point range, no olefins and aromatics, and clean combustion. chain reaction of alkanes and alkenes. The current gasoline standards continue to improve, and the restrictions on the content of aromatics and olefins in gasoline are gradually becoming stricter, and the importance of alkylated oil is becoming increasingly prominent. The traditional alkylation reaction is mainly divided into sulfuric acid alkylation technology and hydrofluoric acid alkylation technology, but both of them have...

Claims

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Application Information

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IPC IPC(8): B01J20/18B01J20/28B01J20/30C10G25/00
CPCB01J20/043B01J20/08B01J20/18B01J20/28061B01J20/28071C10G25/003C10G2300/202
Inventor 周广林李芹吴全贵王晓胜周红军
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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