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Method for extracting carclazyte oil

A technology of white clay oil and waste white clay, which is applied to the recovery of fat oil/fatty acid from waste materials, the recovery of fatty substances, and the production of fat, etc. It can solve the problems of low extraction efficiency and large waste water discharge, and achieve high recovery rate and no waste water discharge , The effect of simple process

Pending Publication Date: 2020-06-09
常州市金坛区维格生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially the existing industrial refining process (method 2) has obvious defects such as low extraction efficiency (generally about 70-80%), large waste water discharge (accounting for about 30% of the amount of waste clay)

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Add 100.0Kg of decolorized and refined waste white clay with an oil content of 31.0% and 15.0Kg of biodiesel into the wok, heat, fry and mix, and when the temperature of the frying material in the wok reaches 90°C, put The material fried in medium was added into the press immediately, and pressed while it was hot, to obtain 38.3Kg of squeeze liquid, containing 26.3Kg of clay oil, the recovery rate of clay oil was 85.0%, and the recovery rate of biodiesel was 80.0%.

Embodiment 2

[0016] Add 100.0Kg of decolorized and refined waste white clay with an oil content of 31.0% and 10.0Kg of biodiesel into the frying pan, heat, fry and mix, and when the temperature of the frying material in the wok reaches 90°C, put the The material fried in medium was added into the press immediately, and pressed while it was hot, to obtain 30.2Kg of squeeze liquid, containing 23.1Kg of clay oil, the recovery rate of clay oil was 74.6%, and the recovery rate of biodiesel was 71.0%.

Embodiment 3

[0018] Add 100.0Kg of decolorized and refined waste white clay with an oil content of 31.0% and 20.0Kg of biodiesel into the wok, heat, fry and mix, and when the temperature of the frying material in the wok reaches 90°C, put the The material fried in medium was added into the press immediately, and pressed while it was hot to obtain 47.0Kg of squeeze liquid, containing 28.8Kg of clay oil, the recovery rate of clay oil was 93.0%, and the recovery rate of biodiesel was 91.0%.

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Abstract

The invention discloses a method for extracting carclazyte oil, which belongs to the technical field of grease refining waste treatment. The method comprises the following steps: mixing waste carclazyte obtained after oil decolorization and refining with biodiesel accounting for 10-20% of the weight of the waste carclazyte, frying and mixing in a frying pan to 80-100 DEG C, and then putting a mixture into a squeezer for squeezing while the mixture is hot, and using the obtained mixture of biodiesel and carclazyte oil to be directly used as a biodiesel raw material for biodiesel production. Themethod disclosed by the invention has the characteristics of simple process, high recovery rate (more than 90%), no wastewater discharge, no use of dangerous chemicals and the like, and is particularly suitable for industrial transformation and popularization of carclazyte oil refining.

Description

technical field [0001] The invention discloses a method for extracting oil from decolorized and refined white clay of waste oil, and belongs to the technical field of oil refining waste treatment. Background technique [0002] In the oil refining process, the activated clay that accounts for 2-3% of the oil weight is usually used for decolorization. The bleached clay loses its activity and becomes waste clay. Waste clay is a large amount of solid waste. The main components of waste clay are clay, colloid, asphaltene, polycyclic aromatic hydrocarbons and about 30% of oil, etc. If it can't be recycled and reused well, it will cause environmental pollution and waste of resources. In the past, the normal disposal method of waste white clay was discarded into landfills, but waste white clay contains unsaturated oil, which will gradually oxidize to the point of spontaneous combustion, resulting in odor and fire hazard. For the above reasons, many countries no longer allow the use ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B13/04
CPCC11B13/04Y02W30/74
Inventor 王义永平原宋国强丁淑敏许建罗萍
Owner 常州市金坛区维格生物科技有限公司
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