Preparation method of pomelo peel oil absorption material

An oil-absorbing material, grapefruit peel technology, applied in the field of preparation of grapefruit peel oil-absorbing materials, can solve the problems of resource waste, environmental pollution, etc., and achieve the effects of low overall cost, simple operation, and mild reaction conditions

Inactive Publication Date: 2013-10-09
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the peel is not utilized, it will cause waste of resources and pollute the environment

Method used

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  • Preparation method of pomelo peel oil absorption material

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Experimental program
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Effect test

Embodiment 1

[0015] (2) Remove the yellow appearance of the yellow appearance, make a 1 ~ 2cm square, and then dry it in the winding oven at 60 ~ 70 ° C to the constant heavy stand;

[0016] (3) Put the 1g of grapefruit skin to be used in a round bottle with a 150ml nichaline, add 0.5g of oleic acid, add 1 drop of concentrated sulfuric acid, return 6h in 65 & 65 & 2 ° C water bath pot;

[0017] (4) After the reaction is 6H, filter with a stainless steel filter, and then wash it with a positive hexane. After loading the surface dish, it is dried to a constant weight 60 ~ 70 ℃.

[0018] The absorption of the product in different media figure 1 (UMPP represents natural grapefruit skin, OAPP represents oil acid -modified grapefruit skin, hollow and solid types represent diesel and lubricant).

[0019] Beneficial effect

[0020] (1) The preparation method of grapefruit skin oil absorption materials described in the present invention is based on grapefruit skin as raw materials. It is used as a meth...

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PUM

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Abstract

The invention relates to a preparation method of a pomelo peel oil absorption material, which comprises the following steps of: (1) drying the pomelo peel in the air, cleaning with deionized water to remove impurities and dust on the surface, and drying in an air-blowing drying oven at 60-70 DEG C; (2) removing the yellow peel, making into 1-2cm square pieces, and drying in the air-blowing drying oven at 60-70 DEG C to constant weight for later use; (3) putting 1g of pomelo peel for later use into a round-bottom flask with 150ml of n-hexane; adding 0.5g of oleic acid, and dropwise adding one drop of concentrated sulfuric acid; and performing reflux in a water bath kettle at 65+/-2 DEG C for 6 hours; and (4) after 6 hours of reaction, filtering with a stainless steel filter screen, and then flushing with n-hexane; and putting the product into a watch glass and drying at 60-70 DEG C to constant weight. The preparation method of a pomelo peel oil absorption material, provided by the invention, has low cost, is simple to operate and is environment-friendly and pollution-free; and compared with the oil absorption material prepared from other raw materials, the obtained oil absorption material has the characteristics of waste recycling, fast oil absorption, large oil absorption multiple and the like.

Description

Technical field [0001] The present invention involves a preparation method for grapefruit cortex oil absorption materials. Background technique [0002] The leakage of various oils during the use and transportation process, seriously polluting the environment, especially the negative impact on the water and other water bodies such as the ocean and rivers, and some oils such as crude oil and lubricant can have poor biodegradation in the natural environment.Long -lasting time will severely destroy the ecological environment and ecological balance.The most commonly used method for treating various types of oil pollution in water body is oil absorption materials. [0003] At present, there are two common categories of oil absorption materials. One is chemical synthetic oil absorption materials, such as polypropylene or polyurethane, which have good hydrophobicity and parentability, but their extremely difficult biological degradation and expensive are expensive.The other is natural o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K3/32
Inventor 邹君臣刘晓艳柴文波李辈辈张新颖王聿曦李舒蓓
Owner SHANGHAI UNIV
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