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Regenerating method of oil product desulfurization adsorbent

A technology for adsorbents and oil products, which is applied in the field of regeneration of oil desulfurization adsorbents, can solve the problems of waste of resources, environmental pollution, increased production costs, etc., and achieve high regeneration efficiency

Inactive Publication Date: 2018-05-04
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Such treatment not only causes environmental pollution, but also causes waste of resources and increases production costs.

Method used

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Embodiment Construction

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] In Embodiment 1 of the present invention, a regeneration method of an oil desulfurization adsorbent specifically comprises the following steps:

[0022] S1. Fill the adsorbent evenly into the airtight filling box, and use a vacuum pump to continuously evacuate the airtight filling box to a near vacuum state, and the vacuuming time is 6 hours;

[0023] S2. Raise the temperature in the filling box to 60°C and keep it warm for 1 hour;

[0024] S3. Send nitrogen gas with ...

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Abstract

The invention discloses a regenerating method of an oil product desulfurization adsorbent. The method comprises the following specific steps: filling a closed filling box with an adsorbent uniformly and continuously vacuumizing the closed filling box to be close to a vacuum state by using a vacuum pump, wherein the vacuumizing time is 6h; heating the filling box to 60-80 DEG C and keeping the temperature for 1h; and blowing 99.999% nitrogen into the filling box through a blowing pipe of the filling box to blow the adsorbent, wherein the blowing speed is 6-8m / s and the blowing time is 0.5h andthe like. Organic matters in the adsorbent can be desorbed effectively in a manner of gradient temperature rise for many times, and meanwhile, adsorbates on the adsorbent can be quickly replaced and extracted by means of intermittent nitrogen blowing and replacement matched with vacuumizing. Meanwhile, longer-time replacement can be provided in a manner of integral gradient temperature rise-blowing and temperature rise-blowing again, so that the integral regenerating efficiency is higher, and the method is integrally pollution-free and more environment-friendly.

Description

technical field [0001] The invention relates to the field of chemical industry, in particular to a method for regenerating an oil desulfurization adsorbent. Background technique [0002] In the industrial production of chemical, bioengineering, pharmaceutical and other related industries, the technology of industrial separation using the adsorption properties of activated carbon, alumina, 4A molecular sieve, diatomaceous earth and other adsorption materials has been widely used. However, in the prior art, the application regeneration technology of the adsorption material is always a technical obstacle. In this case, many manufacturers adopt the method of constantly replacing new adsorbent materials to maintain the adsorption effect in industrial production, and treat the used adsorbent materials as waste. Such treatment not only causes environmental pollution, but also causes waste of resources and increases production costs. Therefore, to solve the regeneration technology...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G25/12
CPCC10G25/12C10G2300/202
Inventor 朱后禹李雪侯永春元赛飞李欣柳云骐郭文跃
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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