Cellular V2O5-Pr6O11-SbPO4/TiO2 based low-temperature sulfur-resistant denitration catalyst and preparation method thereof

A technology of v2o5-pr6o11-sbpo4, denitration catalyst, applied in physical/chemical process catalysts, chemical instruments and methods, separation methods, etc., can solve the problems of lack of mature literature and reports, technology blockade, etc.

Inactive Publication Date: 2016-10-12
LONGYAN ZIJIN INNOVATION RES INST
View PDF6 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For a long time, foreign countries have imposed a technical blockade on my country in

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Catalyst component is in the present embodiment: V 2 o 5 Accounting for 3wt% of the catalyst, Pr 6 o 11 4wt% catalyst, SbPO 4 Accounting for 1.5wt% of the catalyst, TiO 2 The base carrier accounts for 91.5wt% of the catalyst.

[0024] The preparation process of catalyst in the present embodiment is as follows:

[0025] Step (1), take a certain amount of monoethanolammonium and dissolve it in deionized water, add ammonium metavanadate and praseodymium nitrate to make V 2 o 5 and Pr 6 o 11 Accounting for 3wt% and 4wt% of the catalyst respectively, heat the solution to 60°C and stir, and use it as an active liquid after the solution is completely dissolved;

[0026] In step (2), use industrial-grade titanium dioxide (brand DN-00A) as the carrier, respectively mix titanium dioxide accounting for 91.5wt% of the catalyst and SbPO2 accounting for 1.5wt% of the catalyst 4 1. The lubricant (stearic acid and lactic acid with a mass ratio of 1:3.75) accounting for 1-2% o...

experiment example 2

[0034] Catalyst component is in the present embodiment: V 2 o 5 Accounting for 3wt% of the catalyst, Pr 6 o 11 4wt% catalyst, SbPO 4 Accounting for 3wt% of the catalyst, TiO 2 The base carrier accounts for 90wt% of the catalyst.

[0035] The preparation process of catalyst in the present embodiment is as follows:

[0036] Step (1), take a certain amount of monoethanolammonium and dissolve it in deionized water, add ammonium metavanadate and praseodymium nitrate to make V 2 o 5 and Pr 6 o 11 Accounting for 3wt% and 4wt% of the catalyst respectively, heat the solution to 60°C and stir, and use it as an active liquid after the solution is completely dissolved;

[0037] In step (2), use industrial-grade titanium dioxide (brand DN-00A) as the carrier, respectively mix titanium dioxide accounting for 90wt% of the catalyst and SbPO2 accounting for 3wt% of the catalyst 4 1. The lubricant (stearic acid and lactic acid with a mass ratio of 1:3.75) accounting for 1-2% of the ca...

Embodiment 3

[0045] Catalyst component is in the present embodiment: V 2 o 5 Accounting for 1.5wt% of the catalyst, Pr 6 o 11 4wt% catalyst, SbPO 4 Accounting for 1.5wt% of the catalyst, TiO 2 The base carrier accounts for 93wt% of the catalyst.

[0046] The preparation process of catalyst in the present embodiment is as follows:

[0047] Step (1), take a certain amount of monoethanolammonium and dissolve it in deionized water, add ammonium metavanadate and praseodymium nitrate to make V 2 o 5 and Pr 6 o 11 Accounting for 1.5wt% and 4wt% of the catalyst respectively, the solution was heated to 60°C and stirred. After the solution was completely dissolved, it was used as an active liquid for later use;

[0048] In step (2), use industrial-grade titanium dioxide (brand DN-00A) as the carrier, respectively mix titanium dioxide accounting for 93wt% of the catalyst and SbPO2 accounting for 1.5wt% of the catalyst 4 1. The lubricant (stearic acid and lactic acid with a mass ratio of 1:3...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a cellular V2O5-Pr6O11-SbPO4/TiO2 based low-temperature sulfur-resistant denitration catalyst and a preparation method thereof. The cellular V2O5-Pr6O11-SbPO4/TiO2 based low-temperature sulfur-resistant denitration catalyst is prepared from the following components: 1-5wt% of V2O5, 2-6wt% of Pr6O11, 1.5-5wt% of SbPO4 and 84-95.5wt% of a TiO2-based carrier, wherein the TiO2-based carrier comprises one or more of titanium dioxide, titanium tungsten powder and titanium tungsten silicon powder. The invention further discloses a preparation method of the cellular catalyst. The prepared catalyst has high denitration efficiency at the smoke (exhaust gas) temperature of 175-300 DEG C, and also has excellent sulfur resistance.

Description

technical field [0001] The invention relates to the field of industrial flue gas and ship tail gas treatment, in particular to a honeycomb low-temperature anti-sulfur denitration catalyst and a preparation method that can be used to control nitrogen oxide emissions with a smoke (tail) gas temperature lower than 300°C. Background technique [0002] As the primary pollutant in urban air, NO x Compounding with PM2.5 is one of the main reasons for the formation of smog, which seriously endangers people's health and social environment. my country NO x The emissions are mainly from thermal power generation, transportation and various industrial processes. Although motor vehicle exhaust and NO in the power industry x Emissions have been significantly controlled, but for non-power industries (including self-owned power stations) and marine diesel engine exhaust NO x Emission control has encountered great difficulties. This is because the discharge temperature of flue gas from i...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): B01J27/198B01J35/04B01D53/86B01D53/56
CPCB01D53/8628B01D2258/0283B01J27/198B01J35/04
Inventor 林啟维吴晓东胡锋石磊
Owner LONGYAN ZIJIN INNOVATION RES INST
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap