Composite material for recovering heavy metal in river bed silt and manufacture method thereof
A composite material, heavy metal technology, applied in the directions of alkali metal compounds, chemical instruments and methods, alkali metal oxides/hydroxides, etc., can solve problems such as pollution, and achieve the effects of low cost, low energy loss, and excellent elastic properties
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Embodiment 1
[0025] A composite material for heavy metal recovery from river bottom and mud, characterized in that: the composite material is a fishing net structure as a whole, and the fishing net structure is composed of a plurality of composite wires, and the composite wire is composed of a core, an adsorption material and an adsorption structure wherein the core constitutes the axis of the composite wire, and the adsorption structure is set on the surface of the core with a thickness of 2.1 mm; the core is a VDCrSi oil-quenched and tempered steel wire with a diameter of 0.5 mm and a blue surface treatment; the adsorption material includes Sodium lignosulfonate, sinapyl alcohol, zeolite and red mud in a mass ratio of 3:2:5:2; the adsorption structure is specifically modified wear-resistant macroporous silica gel type I.
[0026] 2. A method for manufacturing the composite material for recovering heavy metals in mud at the bottom of the river according to claim 1, characterized in that it...
Embodiment 2
[0043] The whole is consistent with Example 1, the difference is:
[0044]A composite material for heavy metal recovery from river bottom and mud, characterized in that: the composite material is a fishing net structure as a whole, and the fishing net structure is composed of a plurality of composite wires, and the composite wire is composed of a core, an adsorption material and an adsorption structure wherein the core constitutes the axis of the composite wire, and the adsorption structure is set on the surface of the core with a thickness of 2 mm; the core is a VDCrSi oil-quenched and tempered steel wire with a diameter of 0.4 mm and a blue surface treatment; the adsorption material includes Sodium lignosulfonate, sinapyl alcohol, zeolite, and red mud at a ratio of 3:2:5:2; the adsorption structure is specifically modified wear-resistant macroporous silica gel type I.
[0045] The method for making the above-mentioned composite material for heavy metal recovery in mud at the...
Embodiment 3
[0056] The whole is consistent with Example 1, the difference is:
[0057] A composite material for heavy metal recovery from river bottom and mud, characterized in that: the composite material is a fishing net structure as a whole, and the fishing net structure is composed of a plurality of composite wires, and the composite wire is composed of a core, an adsorption material and an adsorption structure Wherein the core constitutes the composite wire axis, and the adsorption structure is set on the surface of the core, with a thickness of 2.5mm; the core is a VDCrSi oil-quenched and tempered steel wire with a diameter of 0.5mm and a blue surface treatment; the adsorption material includes Sodium lignosulfonate, sinapyl alcohol, zeolite, and red mud in a ratio of 3:2:5:2; the adsorption structure is specifically modified wear-resistant macroporous silica gel type I.
[0058] The method for making the above-mentioned composite material for heavy metal recovery in mud at the bott...
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