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Preparation method of fuel thickener capable of being degraded and recycled easily

An oil coagulant and easy-to-degrade technology, which is applied in chemical instruments and methods, and other chemical processes, can solve the problems of oil coagulant not easy to degrade, low oil coagulation efficiency, and increased difficulty in recovery, so as to achieve simple recovery and facilitate oil absorption and expansion , Facilitate the effect of degradation treatment

Pending Publication Date: 2019-05-17
皮蒙
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The main technical problem to be solved by the present invention is to provide a method for preparing an easily degradable and recycled oil coagulant in view of the defects that the current oil coagulant has low oil coagulation efficiency, and the coagulant is not easy to degrade after coagulating, which increases the difficulty of recovery.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Chlorella: Chlorella

[0032] Preparation of fiber slag:

[0033] Take 25g of chlorella and put it in a Soxhlet extractor after crushing it, extract it with 80mL ethanol solution with a mass fraction of 20% ethyl acetate at 85°C for 6h, remove the lipid extract, and then add it to Add 40mL of 20% sodium carbonate solution into the Soxhlet extractor, extract the polysaccharide at 58°C, and separate the fiber slag after filtration.

[0034] Preparation of living fossil slurry:

[0035] Immerse and oxidize the above-mentioned fiber residue with a sodium chlorite solution with a mass fraction of 10% for 2 hours, filter and remove the filtrate to obtain a residue, impregnate the residue with glacial acetic acid with a mass fraction of 95% for 5 minutes, and then wash it with absolute ethanol until Neutral to obtain dehydroxylated cellulose, set aside, take 200g of sepiolite and grind it through a 200-mesh sieve in a stone grinder to obtain sepiolite powder, and then soak i...

Embodiment 2

[0045] Chlorella: Silk algae

[0046] Preparation of fiber slag:

[0047] Take 28g of silk algae and put it in a Soxhlet extractor after crushing it, extract it with 90mL ethanol solution with a mass fraction of 20% ethyl acetate at 87°C for 7h, remove the lipid extract, and then add it to the Soxhlet extractor. Add 45mL of 20% sodium carbonate solution into the extractor, extract polysaccharides at 60°C, filter and separate to obtain fiber slag.

[0048] Preparation of living fossil slurry:

[0049] Immerse and oxidize the above-mentioned fiber slag with 10% sodium chlorite solution for 2 hours, filter and remove the filtrate to obtain a residue, impregnate the residue with glacial acetic acid with a mass fraction of 95% for 7 minutes, and then wash it with absolute ethanol until Neutral to obtain dehydroxylated cellulose, set aside, take 225g of sepiolite and grind it through a 200-mesh sieve in a stone grinder to obtain sepiolite powder, and then soak it with 450mL of pho...

Embodiment 3

[0059] Chlorella: Spirogyra

[0060] Preparation of fiber slag:

[0061] Take 30g of Spirogyra and put it in a Soxhlet extractor after crushing it, extract it with 100mL ethanol solution with a mass fraction of 20% ethyl acetate at 90°C for 8 hours, remove the lipid extract, and then add it to the Soxhlet extractor. Add 50mL of 20% sodium carbonate solution into the extractor, extract polysaccharides at 62°C, filter and separate to obtain fiber slag.

[0062] Preparation of living fossil slurry:

[0063] Immerse and oxidize the above-mentioned fiber residue with a sodium chlorite solution with a mass fraction of 10% for 3 hours, filter and remove the filtrate to obtain a residue, impregnate the residue with glacial acetic acid with a mass fraction of 95% for 10 minutes, and then wash with absolute ethanol until Neutral to obtain dehydroxylated cellulose, set aside, take 250g of sepiolite and grind it through a 200-mesh sieve in a stone grinder to obtain sepiolite powder, and...

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Abstract

The invention relates to the technical field of fuel thickener preparation, in particular to a preparation method of a fuel thickener capable of being degraded and recycled easily. Green algae is usedas a raw material to obtain dehydroxyl cellulose, sepiolite is levigated to obtain activated sepiolite slurry, nanofibers are placed in the activated sepiolite slurry to be dispersed to obtain a nanofiber sponge slurry material, and the dehydroxyl cellulose and the nanofiber sponge slurry material are subjected to mixed dispersion and suction filtration to obtain compound sponge fibers; and substances of the compound sponge fibers, polydimethylsiloxane, liquid paraffin and the like are subjected to mixed fermentation and dried to obtain the fuel thickener. According to the preparation methodof the fuel thickener capable of being degraded and recycled easily, sepiolite fibers are absorbed on the surfaces and pores of organic nanofibers to obtain the nanofiber sponge slurry material, the fuel absorbing quantity of the fuel thickener is improved, the fuel thickening efficiency is improved, the polydimethylsiloxane generates radical groups with oleophilic non-polarity on the surfaces offiber sponge, and the oleophilic and lyophobic properties of the fiber sponge are improved; and the fuel thickener is formed relying on pure physical interaction, the ecological environment cannot bepolluted, and the fuel thickener has wide application prospects.

Description

technical field [0001] The invention relates to the technical field of oil coagulant preparation, in particular to a preparation method for easily degradable and recovered oil coagulant. Background technique [0002] In recent years, the frequent occurrence of offshore oil spill accidents and the massive discharge of industrial oily sewage have made the problem of oil-water separation become the focus of attention again. Oily sewage has a wide range of sources, such as oil spills, land mining of petroleum ore, food, textiles, machinery processing and many other industries discharge a large amount of oily sewage into the environment. Whether it is industrial oily sewage or domestic oily sewage, any discharge is harmful to production. The living environment has caused great pollution, and the resulting environmental problems cannot be ignored. [0003] Traditional methods (oil dispersants, oil-absorbing sponges, dispersants, microbial enrichment oxidation, combustion) cannot ...

Claims

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Application Information

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IPC IPC(8): C09K3/32
Inventor 皮蒙
Owner 皮蒙
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