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Ceramic substrate catalyst and preparation method thereof

A catalyst and substrate technology, applied in the field of ozone catalyst preparation, can solve the problems of limiting the large-scale application of ozone oxidation technology, low ozone utilization rate, low oxidation efficiency, etc., and achieve far-reaching social development significance and practical value, and huge environmental benefits And the effect of economic benefit and high catalytic performance

Active Publication Date: 2016-05-04
SHANDONG FENGYUAN CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The application of ozone oxidation technology in the field of wastewater treatment has good market prospects and economic benefits, but due to the low utilization rate of ozone and low oxidation efficiency, the treatment cost is relatively high, which limits the large-scale application of ozone oxidation technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Carrier: Take kaolin 5kg, bentonite 3kg, spinel 2kg, sodium carbonate 0.6kg, ammonium bicarbonate 0.6kg, calcium carbonate 0.6kg and mix well.

[0038] The preparation method of pottery matrix catalyst comprises the following specific steps:

[0039] (1) Potassium permanganate and manganese sulfate are dissolved in water respectively to obtain potassium permanganate aqueous solution and manganese sulfate aqueous solution respectively, wherein the concentration of potassium permanganate in the potassium permanganate aqueous solution is 5wt%, and the manganese sulfate in the manganese sulfate aqueous solution The concentration is 10wt%.

[0040] (2) get 50wt% of carrier total amount and prepare the ceramsite raw material core that particle diameter is 2.5mm by sugar coating preparation machine; 0.826kg of aqueous solution (that is, the addition of manganese sulfate is 0.0826kg) is uniformly mixed with the remaining 50wt% carrier to obtain a mixture; On the ceramsite raw...

Embodiment 2

[0042] Carrier: Take kaolin 5kg, bentonite 3kg, spinel 2kg, sodium carbonate 0.6kg, ammonium bicarbonate 0.6kg, calcium carbonate 0.6kg and mix well.

[0043] The preparation method of pottery matrix catalyst comprises the following specific steps:

[0044] (1) Potassium permanganate is dissolved in water to obtain an aqueous potassium permanganate solution, wherein the concentration of potassium permanganate in the aqueous potassium permanganate solution is 5 wt%.

[0045] (2) get 50wt% of carrier total amount to prepare the ceramsite raw material core that particle diameter is 2.5mm by sugar coating preparation machine; The carrier is mixed evenly to obtain a mixture; then the mixture is added to the sugar coating preparation machine prepared with a ceramsite raw material core and mixed with the ceramsite raw material core, and the mixture is attached to the above-mentioned ceramsite raw material core to generate ceramsite with a particle size of 5 mm; Sintering at 1180° C....

Embodiment 3

[0047]Carrier: Take kaolin 5kg, bentonite 3kg, spinel 2kg, sodium carbonate 0.6kg, ammonium bicarbonate 0.6kg, calcium carbonate 0.6kg and mix well.

[0048] The preparation method of pottery matrix catalyst comprises the following specific steps:

[0049] (1) Dissolving manganese sulfate in water to obtain an aqueous solution of manganese sulfate, wherein the concentration of manganese sulfate in the aqueous solution of manganese sulfate is 10 wt%.

[0050] (2) get 50wt% of carrier total amount and prepare the ceramsite raw material core that particle diameter is 2.5mm by sugar coating preparation machine; Get manganese sulfate aqueous solution 1.298kg (being that manganese sulfate add-on is 0.1298kg) mix with remaining 50wt% carrier , to obtain the mixture; then the mixture is added to the sugar coating preparation machine prepared with the ceramsite raw material core and mixed with the ceramsite raw material core, and the mixture is attached to the above-mentioned ceramsite...

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Abstract

The invention discloses a ceramic substrate catalyst and a preparation method thereof. A potassium permanganate aqueous solution, a manganese sulfate aqueous solution and a carrier are mixed and then are subjected to high temperature sintering; the carrier is prepared by mixing the following raw materials in parts by weight: 40-60 parts of kaolin, 20-40 parts of bentonite, 10-30 parts of spinel, and 10-30 parts of a puffing agent. With fly ash and kaolin as the carrier, the catalyst capable of high-efficiency catalysis of ozone oxidation is prepared and is used for improving the ozone utilization rate and the degradation rate of ozone on organic matters which are difficult to decompose; the ceramic substrate catalyst exists in a form of solid and is easy to separate, the loss of the catalyst is avoided, and thus the cost of wastewater treatment is reduced; the ceramic substrate catalyst has the characteristics of low cost, high catalytic performance and high stability, is used for catalysis of ozone oxidation for deep treatment of wastewater, allows the wastewater to meet reuse standards, reduces the cost of treatment, contains huge environmental and economic benefits, and has relatively profound social development significance and practical value.

Description

technical field [0001] The invention belongs to the technical field of ozone catalyst preparation, and in particular relates to a ceramic substrate catalyst and a preparation method thereof. Background technique [0002] Water is an indispensable material for the survival of all life in nature. It is also the most precious natural resource that cannot be replaced by industrial and agricultural production, economic development and environmental improvement, and is also an important resource that is indispensable for social development. my country's per capita water resources are only 2300m3, only 1 / 4 of the world's per capita water resources, ranking 121st in the world, and one of the 13 countries with the poorest per capita water resources in the world. [0003] Due to human production and living activities, a large amount of domestic sewage, industrial wastewater, agricultural return water and other wastes are directly discharged into water bodies without any treatment, cau...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J23/34C02F101/34
CPCB01J21/16B01J23/005B01J23/34C02F1/725C02F1/78C02F2101/345C02F2305/02
Inventor 黄毅
Owner SHANDONG FENGYUAN CHEM CO LTD
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