Magnetic solid organic sulfur adsorbent particle material containing organic sulfur adsorption group and preparation method thereof

A particle material and magnetic particle technology, which is applied in the field of environmental materials and resources and environment, can solve the problems of low selectivity of heavy metal atoms and precious metal atoms, and achieve the effects of low cost, easy regeneration, and easy recycling.

Inactive Publication Date: 2018-10-19
CUG WUHAN GOLDEN SHIELD ENVIRONMENTAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Both of these two inventions use the polymer network and the inherent functional groups on the mineral surface to adsorb heavy metal ions to achieve the purpose of adsorption and separation, and there is a weakness in the selectivity of heavy metal atoms and noble metal atoms.

Method used

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  • Magnetic solid organic sulfur adsorbent particle material containing organic sulfur adsorption group and preparation method thereof
  • Magnetic solid organic sulfur adsorbent particle material containing organic sulfur adsorption group and preparation method thereof
  • Magnetic solid organic sulfur adsorbent particle material containing organic sulfur adsorption group and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0032] A magnetic solid organosulfur adsorbent particle material containing organosulfur adsorption groups. When the organosulfur adsorption group is mercapto, it can be divided into core-shell structure magnetic solid organosulfur adsorbent particle materials FS@ R'[-SH], F@R'[-SH] non-core-shell magnetic solid organosulfur adsorbent particle material with thiol on the surface.

[0033] This example is a core-shell structure magnetic solid organic sulfur adsorbent particle material FS@R’[-SH] with surface mercaptolation, and its preparation method is described as follows:

[0034] Take 100g particle size of 0.10-40.0μm FS powder (magnetic material Fe in FS powder 3 o 4 From natural magnetite, coated with SiO according to the method provided by "Applied Chemical Industry" 2012 41 (12) 2 , to prepare the core-shell structure Fe 3 o 4 @SiO 2 powder) into the reaction bottle, add 500mL of methanol, stir to form a uniform suspension, add 4.0g of silane coupling agent WD-80, s...

Embodiment 2

[0037] This example is a non-core-shell structure magnetic solid organosulfur adsorbent particle material F@R’[-SH] with surface mercaptolation, and its preparation method is described as follows:

[0038] Take 100g of magnetic particle material F with a particle size of 0.10-40.0μm in a reaction flask, add 500mL of methanol, stir to form a uniform suspension, add 4.0g of silane coupling agent WD-80, and stir at 70°C for 1.0h; the reaction is complete Finally, the powder was separated with a magnet, washed with methanol, and dried at 70°C for 12 hours to obtain the non-core-shell magnetic particle material F@-(CH 2 ) 3 -SH.

Embodiment 3

[0040] A magnetic solid organic sulfur adsorbent particle material containing organic sulfur adsorption groups, when the organic sulfur adsorption group is a sulfide group, it can be divided into core-shell magnetic solid organic sulfur adsorbent particle materials and non-core-shell Structural Magnetic Solid Organosulfur Adsorbent Granular Materials.

[0041] This example is a core-shell magnetic solid organic sulfur adsorbent particle material FS@R’[-S-R-COONa] grafted with thioether groups on the surface, and its preparation method is described as follows:

[0042] Take by weighing sodium chloroacetate 100.0g, dissolve with 1000ml distilled water, obtain 10% sodium chloroacetate solution; Get the FS@-(CH in 100g embodiment 1 2 ) 3 -SH particles, add 500mL of distilled water, stir the suspension, then add 10ml of the prepared 10% sodium chloroacetate solution above, install a reflux condenser, stir and react in a water bath at 50°C for 6h; after the reaction is complete, se...

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Abstract

Disclosed is a granular material of a magnetic solid-organosulfur adsorbent containing an organosulfur adsorption group, wherein the organosulfur adsorption group is a sulfhydryl group, thioether group or thiocarbonylthio group, and the like.

Description

technical field [0001] The invention relates to a magnetic solid organic sulfur adsorbent granular material containing organic sulfur adsorption groups and a preparation method thereof, which belongs to the field of environmental materials and resource environment. Background technique [0002] The current treatment of heavy metal pollution has become an urgent global environmental problem. Among them, water pollution mainly refers to the pollution of the water environment (including rivers, lakes, reservoirs, oceans, industrial water, discharge water and drinking water, etc.) by heavy metal pollutants, including cadmium, lead, mercury, chromium, arsenic, etc. The source is mainly industrial wastewater, such as wastewater discharged from mineral processing plants, electroplating plants, and steel plants. [0003] In addition to the heavy metals contained in the soil itself, the rest are due to the pollution of heavy metals into the soil. Soil heavy metal pollution mainly c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/22B01J20/28B01J20/30
CPCB01J20/22B01J20/28B01J20/30
Inventor 范力仁周洋李枭铭范羽仪
Owner CUG WUHAN GOLDEN SHIELD ENVIRONMENTAL TECH CO LTD
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