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Novel process of utilizing blast furnace titanium slag for adsorbing and regenerating 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 of low added value, insufficient utilization and recovery of titanium resources, etc., and achieve a significant, high value-added utilization and low investment Effect

Inactive Publication Date: 2016-01-20
CHONGQING TECH & BUSINESS UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to propose a new process for using blast furnace titanium slag to absorb and regenerate waste lubricating oil, aiming at the low added value of blast furnace titanium slag and the inability to fully utilize and recycle titanium resources. TiO in slag 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

Method used

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  • Novel process of utilizing blast furnace titanium slag for adsorbing and regenerating 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 above-mentioned steps 1), join the blast furnace titanium slag in the adsorption regeneration reactor that waste lubricating oil is housed, its TiO 2 The content of is 20% (mass percentage), and its addition is 20% of waste lubricating oil quality simultaneously;

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

no. 2 example

[0034] 1) After the blast furnace titanium slag is crushed, ground and screened, 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 above-mentioned steps 1), join the blast furnace titanium slag in the adsorption regeneration reactor that waste lubricating oil is housed, 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), t...

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 above-mentioned steps 1), join the blast furnace titanium slag in the adsorption regeneration reactor that waste lubricating oil is housed, 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),...

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Abstract

The invention discloses a novel process of utilizing blast furnace titanium slag for adsorbing and regenerating waste lubricating oil. The process is characterized by comprising the steps of crushing, grinding and screening the blast furnace titanium slag, then adding the blast furnace titanium slag into an adsorption and regeneration reactor filled with the waste lubricating oil, stirring the waste lubricating oil with a stirrer, making the waste lubricating oil be subjected to an adsorption and regeneration reaction at the reaction temperature of 80-120 DEG C filtering the blast furnace titanium slag after the reaction is ended, and obtaining regenerated lubricating oil. The novel process is simple in process condition, little in investment, lower in operation cost and capable of effectively lowering cost of adsorption and regeneration of the waste lubricating oil. Meanwhile, activity of TiO<2> in the blast furnace titanium slag is utilized, blast furnace titanium slag serves as adsorbent, adsorption and regeneration of the waste lubricating oil are conducted, high added-value utilization of the blast furnace titanium slag can be achieved, and social benefits and economic benefits are fairly remarkable.

Description

technical field [0001] This patent belongs to the technical field of comprehensive utilization of vanadium-titanium magnetite, and is a new 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 bla...

Claims

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Application Information

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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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