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A process of using blast furnace titanium slag to absorb and regenerate waste lubricating oil

A technology of blast furnace titanium slag and waste lubricating oil, applied in the direction of lubricating compositions, etc., can solve the problems that titanium resources cannot be fully utilized and recycled, and the added value is low, and achieve the realization of high value-added utilization, great significance, and cost reduction Effect

Inactive Publication Date: 2018-07-10
CHONGQING TECH & BUSINESS UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to propose a process of using blast furnace titanium slag to absorb and regenerate waste lubricating oil in view of the low added value of blast furnace titanium slag and the inability to fully utilize and recycle titanium resources. The process utilizes blast furnace titanium slag Medium TiO 2 The active clay used in the adsorption and regeneration of waste lubricating oil is replaced by blast furnace titanium slag as an adsorbent to carry out the adsorption and regeneration of waste lubricating oil, so as to realize the high value-added utilization of blast furnace titanium slag

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  • A process of using blast furnace titanium slag to absorb and regenerate waste lubricating oil

Examples

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Effect test

no. 1 example

[0029] 1) After the blast furnace titanium slag is crushed, ground and screened, the blast furnace titanium slag with a particle size of 75 microns is obtained, which is added to an adsorption regeneration reactor equipped with waste lubricating oil, at a reaction temperature of 80°C, and stirred The adsorption regeneration reaction of the waste lubricating oil is carried out under the agitation of the device. After the reaction is completed, the blast furnace titanium slag is filtered to obtain the regenerated lubricating oil. Wherein, the stirring speed of the agitator is 800 rpm, and the reaction time of the adsorption regeneration reaction is 180 minutes;

[0030] 2) In the above step 1), the blast furnace titanium slag added to the adsorption regeneration reactor equipped with waste lubricating oil, its TiO 2 The content of is 20% (mass percentage), and its addition is 20% of waste lubricating oil quality simultaneously;

[0031] 3) In above-mentioned steps 1), the mass ...

no. 2 example

[0034] 1) After the blast furnace titanium slag is crushed, ground and sieved, the blast furnace titanium slag with a particle size of 95 microns is obtained, which is added to an adsorption regeneration reactor equipped with waste lubricating oil, at a reaction temperature of 100°C, and stirred The adsorption regeneration reaction of the waste lubricating oil is carried out under the agitation of the device. After the reaction is completed, the blast furnace titanium slag is filtered to obtain the regenerated lubricating oil. Wherein, the stirring speed of the agitator is 900 rpm, and the reaction time of the adsorption regeneration reaction is 200 minutes;

[0035] 2) In the above step 1), the blast furnace titanium slag added to the adsorption regeneration reactor equipped with waste lubricating oil, its TiO 2 The content of is 22% (mass percentage), and its addition is 23% of waste lubricating oil quality simultaneously;

[0036] 3) In above-mentioned steps 1), the mass p...

no. 3 example

[0039] 1) After the blast furnace titanium slag is crushed, ground and screened, the blast furnace titanium slag with a particle size of 106 microns is obtained, which is added to an adsorption regeneration reactor equipped with waste lubricating oil, at a reaction temperature of 120°C, and stirred The adsorption regeneration reaction of the waste lubricating oil is carried out under the agitation of the device. After the reaction is completed, the blast furnace titanium slag is filtered to obtain the regenerated lubricating oil. Wherein, the stirring speed of the agitator is 1000 rpm, and the reaction time of the adsorption regeneration reaction is 240 minutes;

[0040] 2) In the above step 1), the blast furnace titanium slag added to the adsorption regeneration reactor equipped with waste lubricating oil, its TiO 2 The content of is 25% (mass percentage), and its addition is 25% of waste lubricating oil quality simultaneously;

[0041] 3) In above-mentioned steps 1), the ma...

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Abstract

The invention discloses a process for using blast furnace titanium slag to absorb and regenerate waste lubricating oil. The adsorption and regeneration reaction of the waste lubricating oil is carried out under the reaction temperature of 120° C. to 120° C. under the agitation of the stirrer. After the reaction is completed, the blast furnace titanium slag is filtered to obtain the regenerated lubricating oil. The invention has simple process conditions, less investment and lower operating cost, and can effectively reduce the cost of adsorption and regeneration of waste lubricating oil. At the same time, using the activity of TiO2 in blast furnace titanium slag and using blast furnace titanium slag as an adsorbent to carry out adsorption and regeneration of waste lubricating oil can realize high value-added utilization of blast furnace titanium slag, and the social and economic benefits are very obvious.

Description

technical field [0001] This patent belongs to the technical field of comprehensive utilization of vanadium-titanium magnetite, and is a process for comprehensive utilization of blast furnace titanium slag produced by blast furnace smelting vanadium-titanium magnetite. Background technique [0002] my country is rich in vanadium-titanium magnetite resources, with proven reserves of 9.83 billion tons and prospective reserves of more than 30 billion tons. Among them, Panzhihua titanium reserves account for more than 90% of domestic proven reserves and 40% of world reserves. The smelting of vanadium-titanium magnetite and the comprehensive utilization of vanadium, titanium, especially titanium resources are of great significance to my country's reduction of foreign dependence on iron ore and the utilization of strategic precious metal resources. At present, the smelting of vanadium-titanium magnetite is mainly carried out in blast furnaces. Restricted by the fluidity of blast f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M175/00
Inventor 陈凌曾亚张贤明廖兰贾艳艳欧阳平
Owner CHONGQING TECH & BUSINESS UNIV
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