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Preparation method of amorphous ferrisodium silicate nano-sheet with selective adsorption performance

A technology with adsorption performance and selectivity, applied in chemical instruments and methods, adsorption water/sewage treatment, silicon compounds, etc., can solve the problem that the potential application of NaFeSi2O6 is rarely studied.

Active Publication Date: 2018-09-28
QUFU NORMAL UNIV
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Problems solved by technology

However, the potential application of NaFeSi2O6 as an adsorbent has been rarely investigated

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  • Preparation method of amorphous ferrisodium silicate nano-sheet with selective adsorption performance
  • Preparation method of amorphous ferrisodium silicate nano-sheet with selective adsorption performance
  • Preparation method of amorphous ferrisodium silicate nano-sheet with selective adsorption performance

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Embodiment Construction

[0023] The present invention will be described in detail below in combination with specific embodiments.

[0024] Preparation of Amorphous Sodium Iron Silicate Nanosheets

[0025] The synthesis method is as follows: 2.5296gNa 2 SiO 3 9H 2 O was dissolved in 30mL mixed solvent (15mL each of deionized water and absolute ethanol), and magnetically stirred until completely dissolved to obtain solution A; 2.3836g Fe(NO 3 ) 3 9H 2 O was dissolved in 30mL mixed solvent (15mL each of deionized water and absolute ethanol), and magnetically stirred until completely dissolved to obtain solution B; control the dropping speed (1-2 drops / second), slowly add B liquid into A liquid, drop During the addition process, stir with a magnetic stirrer all the time. After all the drops are completed, continue to stir for 1 hour, then transfer the suspension to an 80 mL stainless steel autoclave with a polytetrafluoroethylene liner and seal it, and react at 160 ° C for 12 hours. , after naturall...

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Abstract

The invention discloses a preparation method of an amorphous ferrisodium silicate nano-sheet with a selective adsorption performance. The preparation method includes the steps: dissolving Na2SiO3*9H2Oin mixed solvents and magnetically stirring the Na2SiO3*9H2O to be completely dissolved to obtain solution A; dissolving Fe (NO3)3*9H2O in 30mL of mixed solvents and magnetically stirring the Fe (NO3)3*9H2O to be completely dissolved to obtain solution B; controlling dropping speed, slowly adding the solution B into the solution A and constantly stirring the solution by a magnetic stirrer in a dropping process to obtain suspension liquid; transferring the suspension liquid into a stainless steel autoclave with a polytetrafluoroethylene liner, performing sealed reaction, naturally cooling thesuspension liquid to room temperature and then washing and drying a product to obtain a sample. The preparation method has the advantage that the amorphous ferrisodium silicate nano-sheet can selectively adsorb cationic dyes from waste water.

Description

technical field [0001] The invention belongs to the technical field of textile chemistry and relates to the preparation and selective adsorption performance of an amorphous sodium iron silicate nanosheet. Background technique [0002] Organic dyes are one of the largest pollutants released into wastewater from textile and other industrial processes, most dyes have high coloring value, even dyes below 1ppm will produce obvious coloring in water, which is harmful to natural water resources and the environment The pollution caused is irreversible, and even a small amount will seriously endanger the health of humans and other organisms. Therefore, it is imperative to remove pollutants such as organic dyes from water and protect our environment. So far, a variety of methods for removing pollutants such as organic dyes in wastewater have been reported, including electrochemical methods, adsorption, coagulation, photodegradation, etc. Among these methods, electrochemical methods ...

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Application Information

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IPC IPC(8): C01B33/20B01J20/10B01J20/28B01J20/30C02F1/28C02F101/30
CPCB01J20/10B01J20/28033C01B33/20C02F1/281C02F2101/30C02F2101/308C02F2303/16
Inventor 颜廷江乔峥
Owner QUFU NORMAL UNIV
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