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Ag/AgCl loaded sodium nickel phosphate composite photocatalytic material as well as preparation method and application thereof

A technology of composite photocatalysis and sodium nickel phosphate, which is applied in chemical instruments and methods, physical/chemical process catalysts, chemical/physical processes, etc., to achieve good photocatalytic activity, easy to popularize and use, and good stability.

Inactive Publication Date: 2016-02-03
XUZHOU NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Inspired by this, we want to study an Ag / AgCl-loaded sodium nickel phosphate composite photocatalytic material, and there is no report yet

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  • Ag/AgCl loaded sodium nickel phosphate composite photocatalytic material as well as preparation method and application thereof
  • Ag/AgCl loaded sodium nickel phosphate composite photocatalytic material as well as preparation method and application thereof
  • Ag/AgCl loaded sodium nickel phosphate composite photocatalytic material as well as preparation method and application thereof

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Experimental program
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Effect test

Embodiment 1

[0043] (1) First, prepare Na by high-temperature solid-phase method 4 Ni 3 P 4 o 15 :

[0044] According to the chemical formula Na 4 Ni 3 P 4 o 15 The stoichiometric ratio of each element in, respectively weighed sodium carbonate Na 2 CO 3 : 0.848 g, nickel oxide NiO: 0.897 g, phosphorus pentoxide P 2 o 5 : 1.136 g, ground and mixed uniformly in an agate mortar; then, pre-calcined in a muffle furnace at 600° C. for 5 hours in an air atmosphere, cooled naturally, and took out the sample. Next, fully mix and grind the samples from the previous step again, calcinate them at 1000°C for 6 hours in an air atmosphere, cool to room temperature, take them out and grind them thoroughly to obtain Na 4 Ni 3 P 4 o 15 Photocatalyst powder.

[0045] (2) Second, prepare Ag / AgCl loaded Na 4 Ni 3 P 4 o 15 Composite photocatalytic materials:

[0046] Take 0.5g of Na 4 Ni 3 P 4 o 15 The particles were added to 30mL of deionized water, sonicated for 10 minutes; then mixed ...

Embodiment 2

[0054] (1) First, prepare Na by high-temperature solid-phase method 4 Ni 3 P 4 o 15 :

[0055] According to the chemical formula Na 4 Ni 3 P 4 o 15 The stoichiometric ratio of each element in , respectively weighed sodium oxide Na 2 O: 0.496 g, basic nickel carbonate NiCO 3 2Ni(OH) 2 4H 2 O: 4.514 g, ammonium dihydrogen phosphate NH 4 h 2 PO 4 : 1.841 g, ground and mixed evenly in an agate mortar; then pre-calcined in a muffle furnace at 550°C for 8 hours in an air atmosphere, cooled naturally, and took out the sample; then, fully mixed and ground the previous sample again , in an air atmosphere, calcined at 950°C for 10 hours, cooled to room temperature, taken out and thoroughly ground to obtain Na 4 Ni 3 P 4 o 15 Photocatalyst powder.

[0056] (2) Second, prepare Ag / AgCl loaded Na 4 Ni 3 P 4 o 15 Composite photocatalytic materials:

[0057] Take 0.5g of Na 4 Ni 3 P 4 o 15 The particles were added to 30mL of deionized water, sonicated for 10 minutes...

Embodiment 3

[0060] (1) First, prepare Na by high-temperature solid-phase method 4 Ni 3 P 4 o 15 :

[0061] According to the chemical formula Na 4 Ni 3 P 4 o 15 The stoichiometric ratio of each element in the formula, respectively weighed sodium bicarbonate NaHCO 3 : 1.344 g, nickel oxide Ni 2 o 3 : 0.992 g, phosphoric acid H 3 PO 4 : 1.568 g, ground and mixed in an agate mortar, pre-calcined in an air atmosphere at 400 ° C for 12 hours in a muffle furnace, cooled naturally, and took out the sample; again fully mixed and ground the aforementioned sample mixture, Calcined at 850°C for 14 hours in an air atmosphere, cooled to room temperature, taken out and thoroughly ground to obtain Na 4 Ni 3 P 4 o 15 Photocatalyst powder.

[0062] (2) Second, prepare Ag / AgCl loaded Na 4 Ni 3 P 4 o 15 Composite photocatalytic materials:

[0063] Take 0.5g of Na 4 Ni 3 P 4 o 15 The particles were added to 30 mL of deionized water, sonicated for 10 minutes, and then mixed with 10 mL ...

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Abstract

The invention discloses an Ag / AgCl loaded sodium nickel phosphate composite photocatalytic material as well as a preparation method and application thereof. The chemical formula of a base material of the composite photocatalyst is Na4Ni3P4O15; and particles Ag and AgCl are loaded on the surface of the base material. The preparation method comprises the following steps: firstly, preparing the base material by adopting a high-temperature solid-phase method or a chemical solution method; then, mixing and dispersing obtained Na4Ni3P4O15 powder and AgNO3 powder; and carrying out precipitation-photoreduction treatment to finally obtain the Ag / AgCl / Na4Ni3P4O15 composite photocatalyst. The photocatalytic material has a relatively good photocatalytic effect and the preparation method is simple to operate and feasible and low in production cost; and industrial production is facilitated and organic pollutants can be degraded very well.

Description

technical field [0001] The invention relates to an Ag / AgCl loaded sodium nickel phosphate composite photocatalytic material and a preparation method and application thereof, which are especially suitable for degrading organic pollutants and belong to the field of inorganic photocatalytic materials. Background technique [0002] Since the 21st century, with the continuous development of human society, while people's living standards have been continuously improved, the negative impacts have also been brought about, such as the waste and pollution of water resources, making people have to pay attention to this problem, so water bodies Pollution control has become one of the problems that people urgently need to solve. [0003] The photocatalytic reaction is a chemical reaction in which light, catalysts and substances exist and interact simultaneously, and the core of which is the photocatalytic material. Its catalytic mechanism is that after the catalyst is irradiated by ligh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J27/185C02F1/30C02F1/32
Inventor 乔学斌
Owner XUZHOU NORMAL UNIVERSITY
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