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Preparation and application of a solar-driven self-heating multi-stage sulfide in situ grown black sponge

A technology of in-situ growth and black sponge, applied in chemical instruments and methods, separation methods, liquid separation, etc., to achieve the effects of reducing environmental pollution, increasing surface roughness, and super-hydrophobic and super-lipophilic capabilities

Active Publication Date: 2022-02-15
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The black sponge absorbs high-viscosity crude oil by self-heating driven by sunlight, which greatly solves the environmental problems caused by crude oil pollutants

Method used

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  • Preparation and application of a solar-driven self-heating multi-stage sulfide in situ grown black sponge
  • Preparation and application of a solar-driven self-heating multi-stage sulfide in situ grown black sponge
  • Preparation and application of a solar-driven self-heating multi-stage sulfide in situ grown black sponge

Examples

Experimental program
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Effect test

Embodiment 1

[0045] (1) Dissolve 0.5g of tungsten hexachloride and 1g of thioacetamide in 30mL of deionized water, and stir for 30min at 1000rpm to form a colorless and clear solution; using waste rubber sponge as raw material, waste rubber sponge Cut it to a size of 1cm×2cm×1cm, put it into the reaction kettle after immersing in the colorless and clear solution, pour the colorless and clear solution into the reaction kettle, perform a hydrothermal reaction at 180°C for 12 hours, wash with absolute ethanol after the reaction Clean, remove residual impurities, place in an oven, and dry at 50°C to obtain a black block;

[0046] (2) Weigh 0.05g of ammonium molybdate and 0.2g of thiourea and disperse them in 30mL of deionized water, stir at 1000rpm for 30min to obtain a colorless and transparent solution, immerse in a black block, and then transfer to the reaction kettle , hydrothermally reacted at 180°C for 16 hours. After the reaction, it was first washed with absolute ethanol and then deion...

Embodiment 2

[0048] (1) Dissolve 1g of tungsten hexachloride and 1.5g of thioacetamide in 50mL of deionized water, and stir for 20min at 1500rpm to form a colorless and clear solution; using waste rubber sponge as raw material, waste rubber Cut the sponge to a size of 1cm×2cm×1cm, put it into the reaction kettle after being immersed in the colorless and clear solution, pour the colorless and clear solution into the reaction kettle, and perform a hydrothermal reaction at 200°C for 16 hours, then wash with absolute ethanol Wash, remove residual impurities, place in an oven, and dry at 60°C to obtain a black block;

[0049] (2) Weigh 0.15g of ammonium molybdate and 0.2g of thiourea and disperse them in 50mL of deionized water, stir for 40min at 2000rpm to obtain a colorless and transparent solution, immerse in a black block, and then transfer to the reaction kettle , hydrothermal reaction at 200°C for 18 hours, after the reaction, wash with absolute ethanol, then with deionized water to remov...

Embodiment 3

[0051] (1) Weigh 0.8g of tungsten hexachloride and 1.5g of thioacetamide and dissolve them in 50mL of deionized water, and stir for 30min at 2000rpm to form a colorless and clear solution; using waste rubber sponge as raw material, waste Cut the rubber sponge to a size of 1cm×2cm×1cm, put it into the reaction kettle after being immersed in the colorless and clear solution, pour the colorless and clear solution into the reaction kettle, and conduct a hydrothermal reaction at 230°C for 24 hours. Wash with ethanol to remove residual impurities, place in an oven, and dry at 70°C to obtain a black block;

[0052] (2) Weigh 0.08g of ammonium molybdate and 0.16g of thiourea and disperse them in 50mL of deionized water, stir for 60min at a speed of 3000rpm to obtain a colorless and transparent solution, immerse in a black block, and then transfer to the reaction kettle , hydrothermal reaction at 210°C for 20 hours, after the reaction, wash with absolute ethanol, then with deionized wa...

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Abstract

The invention belongs to the technical field of preparation of environmental functional materials, and relates to the preparation and application of a self-heating multi-stage sulfide in-situ grown black sponge driven by solar energy; the steps are as follows: dissolving tungsten hexachloride and thioacetamide in deionized Stir in water to obtain a colorless and clear solution; after the waste rubber sponge is properly cut, it is immersed in the solution and transferred to the reaction kettle for hydrothermal reaction. After the reaction, the waste rubber sponge is taken out and washed with absolute ethanol, and a black block is obtained after drying ; Disperse ammonium molybdate and thiourea in deionized water, stir to form a colorless and transparent solution; immerse the black block and transfer it to a reaction kettle for hydrothermal reaction. After the reaction, take out the product and wash it with absolute ethanol and ionized water , freeze-drying to obtain a black sponge with multi-level sulfide growth in situ. The material prepared by the invention has super-hydrophobic and super-oleophilic ability, relatively high strength and thermal stability, can stably absorb light and heat itself under sunlight conditions, and can absorb heavy oil with high viscosity.

Description

technical field [0001] The invention belongs to the technical field of preparation of environmental functional materials, and in particular relates to the preparation and application of a self-heating multi-stage sulfide in-situ grown black sponge driven by solar energy. Background technique [0002] Nowadays, human beings rely more and more on crude oil and its accessories. According to statistics, crude oil production has reached 30.7 million barrels per day in 2019, and this figure continues to grow. With the large-scale oil extraction, the frequency of oil spill accidents is higher than before. Leakage not only wastes precious resources and causes huge economic losses, but also causes serious damage to the marine ecological environment. Common oil-water separation methods include oil grid method, combustion method, chemical degradation method and microbial method, but they are often accompanied by problems such as low separation efficiency, high economic cost and secon...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J9/36B01D17/022C08L19/00
CPCC08J9/36B01D17/0202C08J2319/00
Inventor 徐鹏杨进陈贝贝
Owner JIANGSU UNIV
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