Preparation method and application of catalyst of novel light degradation phosphate organic dye

A technology of phosphate and photocatalytic materials, applied in chemical instruments and methods, physical/chemical process catalysts, chemical/physical processes, etc., can solve problems such as no reports, environmental pollutants consume a lot of energy, and affect people's health and life , to achieve the effects of simple process equipment, good photocatalytic activity, and easy industrial production

Inactive Publication Date: 2015-04-29
SUZHOU DEJIE MEMBRANE MATERIAL SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Since the 21st century, environmental pollution and energy crisis have gradually become two key factors restricting the sustainable and stable development of human civilization. Some refractory organic substances such as dyes and pesticides often exist in air, water and soil at very low concentrations, seriously Affect people's health and life, and the elimination of environmental pollutants needs to consume a lot of energy, which poses a huge challenge to the increasingly severe energy crisis
On the basis of these reports, we investigated a novel silver phosphate-based photocatalyst Ag 3 Ni 6 (PO 4 ) 5 , found that this type of compound has excellent photocatalytic performance in response to ultraviolet light and visible light, and there is no report yet

Method used

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  • Preparation method and application of catalyst of novel light degradation phosphate organic dye
  • Preparation method and application of catalyst of novel light degradation phosphate organic dye
  • Preparation method and application of catalyst of novel light degradation phosphate organic dye

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Preparation of Ag 3 Ni 6 (PO 4 ) 5

[0047] According to the chemical formula Ag 3 Ni 6 (PO 4 ) 5 , Respectively weigh the silver oxide Ag 2 O: 1.74 g, nickel oxide NiO: 2.24 g, ammonium dihydrogen phosphate NH 4 H 2 PO 4 :2.88g, after grinding and mixing uniformly in an agate mortar, select air atmosphere pre-calcination, temperature is 250℃, calcination time is 5 hours, after natural cooling, take out the sample; mix and grind the pre-calcined raw materials thoroughly again. Calcined again in air atmosphere, temperature 650℃, calcining time 19 hours, cooling and grinding to obtain phosphate Ag 3 Ni 6 (PO 4 ) 5 powder.

[0048] See attached figure 1 , It is the X-ray powder diffraction pattern of the sample prepared according to the technical scheme of this embodiment. The XRD test result shows that the prepared phosphate Ag 3 Ni 6 (PO 4 ) 5 It is a single-phase material with good crystallinity;

[0049] See attached figure 2 , It is the SEM (scanning electron microscope) sp...

Embodiment 2

[0055] Preparation of Ag 3 Ni 6 (PO 4 ) 5

[0056] According to the chemical formula Ag 3 Ni 6 (PO 4 ) 5 , Weigh silver nitrate AgNO 3 :1.70g, nickel carbonate NiCO 3 :2.37 grams, phosphorus pentoxide P 2 O 5 :1.18g, after grinding and mixing in an agate mortar, select air atmosphere pre-calcination, temperature is 300℃, calcination time is 10 hours, after natural cooling, take out the sample; mix and grind the pre-calcined raw materials thoroughly again, Calcined again in air atmosphere, temperature 750℃, calcination time 10 hours, cooling and grinding to obtain phosphate Ag 3 Ni 6 (PO 4 ) 5 powder.

[0057] The main structure morphology, absorption spectrum, degradation rate of methylene blue and the kinetic curve of degradation of methylene blue are similar to those in Example 1.

Embodiment 3

[0059] Preparation of Ag 3 Ni 6 (PO 4 ) 5

[0060] According to the chemical formula Ag 3 Ni 6 (PO 4 ) 5 , Weigh silver nitrate AgNO 3 : 1.70g, nickel oxide NiO: 1.49g, phosphoric acid H 3 PO 4 :1.63g, grind in an agate mortar and mix evenly, choose air atmosphere to pre-calcin, temperature is 600℃, calcination time is 19 hours, after natural cooling, take out the sample; mix and grind the pre-calcined raw materials thoroughly again, Calcined again in air atmosphere, temperature 950℃, calcining time 6 hours, cooling and grinding to obtain phosphate Ag 3 Ni 6 (PO 4 ) 5 powder.

[0061] The main structure morphology, absorption spectrum, degradation rate of methylene blue and the kinetic curve of degradation of methylene blue are similar to those in Example 1.

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Abstract

The invention relates to a novel phosphate photocatalytic material Ag3Ni6 (PO4)5 and a preparation method thereof, and belongs to the field of novel inorganic photocatalytic materials. The photocatalytic material is prepared by a high-temperature solid-phase method, a chemical solution method, and a co-precipitation method. The technology is simple and easy to operate, and is convenient for industrial production, and the prepared material has uniform particles, good chemical stability, relatively good photocatalytic effects, and good stability, can be used for degrading organic pollutants under the radiation of ultraviolet light and visible light, and is an ideal material for the photocatalyst.

Description

Technical field [0001] The invention relates to a preparation method and application of a phosphate photocatalytic material responsive to ultraviolet light and visible light, in particular to Ag used for degrading organic pollutants 3 Ni 6 (PO 4 ) 5 The photocatalyst and its preparation method belong to the field of inorganic photocatalytic materials. Background technique [0002] Since the 21st century, environmental pollution and energy crises have gradually become two key factors restricting the sustainable and stable development of human civilization. Some refractory organic substances such as dyes and pesticides often exist in the air, water and soil at very low concentrations. Affect people's health and life, and the elimination of environmental pollutants requires a lot of energy consumption, which poses a huge challenge to the increasingly severe energy crisis. [0003] Therefore, mankind has begun to turn its attention to the development of solar energy, an inexhaustible a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J27/185C02F1/30C02F1/32
CPCY02W10/37
Inventor 马忠谢洪德
Owner SUZHOU DEJIE MEMBRANE MATERIAL SCI & TECH
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