Preparation method of magnetic grapefruit peel oil absorption material
A technology of oil-absorbing materials and pomelo peels, applied in chemical instruments and methods, adsorption water/sewage treatment, alkali metal oxides/hydroxides, etc., to achieve the effects of convenient and rapid collection, mild reaction conditions, and simple operation
Inactive Publication Date: 2015-01-07
SHANGHAI UNIV
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Problems solved by technology
However, the magnetic carbon introduced in the current patent is all hydrophilic, and it is rarely used as an oil-absorbing material to remove oil spills from water bodies.
Method used
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Embodiment 1
[0015] (1) After air-drying and cleaning the pomelo peel, dry it to constant weight; then remove the yellow outer skin, and crush it into 0.25~1.00mm grapefruit peel particles;
[0016] (2) Add 0.4g of ferric chloride to 33g of ethylene glycol to prepare a solution with a concentration of about 1%, then add 3.4g of ammonium acetate, 0.2g of pomelo peel particles and 0.4g of oleic acid obtained in step a, and stir After 30 minutes, the suspension was obtained; the suspension was transferred to a 50mL stainless steel autoclave lined with polytetrafluoroethylene, heated from 20°C to 100°C over 30 minutes, kept at 100°C for 30 minutes, and then heated to 200°C over 40 minutes. ℃ and constant temperature for 6h, naturally cooled to room temperature; the mass ratio of ferric chloride, ammonium acetate, pomelo peel and oleic acid is 2: 17: 1: 2;
[0017] (3) Rinse the grapefruit peel obtained in step (2) with deionized water and absolute ethanol in sequence, and dry to obtain the mag...
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Abstract
The invention relates to a preparation method of a magnetic grapefruit peel oil absorption material. The method is characterized by comprising the following steps of adding 0.4g of FeCl3.6H2O into 30mL of ethylene glycol, stirring until FeCl3.6H2O is completely dissolved, adding 3.4g of NH4Ac, 0.2g of grapefruit peel particles (of which the particle size is 0.25-1.00mm) and 0.4mL of oleic acid in sequence, magnetically stirring for 30min until the materials are dissolved, then transferring the suspension into a stainless steel high-pressure reaction kettle which is 50mL and is provided with a polytetrafluoroethylene lining, sealing the reaction kettle, putting the reaction kettle into a muffle furnace, keeping the temperature of 200 DEG C constant for 6 hours for full reaction, and washing, filtering and drying products to obtain the magnetic grapefruit peel oil absorption material. The magnetic grapefruit peel oil absorption material is high in oil absorption performance, easy to separate and convenient and quick for collection. The invention provides the novel preparation method of the magnetic grapefruit peel oil absorption material.
Description
Technical field [0001] The present invention involves a method of preparing a magnetic grapefruit skin oil absorption material. 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, severely damaged the ecological environment and ecological balance. [0003] At present, the most commonly used method for treating various oil pollution accidents in water bodies is oil absorption materials.There are two types of common 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 biodegradation and expensive are expensive.The other type is natural oil a...
Claims
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IPC IPC(8): B01J20/24B01J20/28B01J20/30C02F1/28
CPCB01J20/24B01J20/28009B01J20/3085B01J2220/4837C02F1/286
Inventor 刘晓艳邹君臣柴文波李辈辈张新颖朱水平殷甜甜
Owner SHANGHAI UNIV