GB/T 34700-2017 in English

VALID

Rare earth type selective catalytic reduction (SCR) denitration catalysts

Issued on:2017-11-01
Implemented on:2018-05-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $220.00
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Standard No:	GB/T 34700-2017
Document status:	VALID
Title in English:	Rare earth type selective catalytic reduction (SCR) denitration catalysts
Title in Chinese:	稀土型选择性催化还原（SCR）脱硝催化剂
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2017-11-01
Implemented on:	2018-05-01
ICS Classification:	71.100.99-Other products of the chemical industry
Chinese Classification:	G75-Catalyst
Professional Classification:	GB-National Standard
Related Keywords:	rare earth type selective catalytic reduction standard formulation rare earth scr catalyst denitration catalysts introduction
Related Topics:	catalyst catalytic super catalyst For such catalysts new catalyst Rare earth denitrification Homogeneous Catalyst Characterization catalyst potential Catalyst Screener Standard Catalyst Standard Rare earth denitrification catalyst atom selection Detection method of marine scr denitrification catalyst Thorium nitrate catalyst photocatalytic cocatalysis fuel super catalyst Lanthanum nitrate for catalyst How to measure catalytic performance selectivity foreign scr catalyst Catalyst Lanthanum Nitrate Atomic cobalt catalyst The choice of desorbent business catalyst Efficient catalyst catalytic voc voc catalyst voc catalyst voc catalyst Foreign voc catalyst voc catalysis voc++ catalytic voc catalytic Catalytic VOC voc catalytic voc+catalysis voc catalyst t9 catalyst business catalyst Catalyst size Cadmium Catalytic Performance Selective non-catalytic reducing agent rare earth catalyst Denitration catalyst Rare earth denitrification catalyst Atomic Cobalt Catalyzed Preparation Lithium oxide catalyst Novel Cobalt Oxide Catalyst silver catalyst Rare earth denitrification diatomic catalyst New photocatalysis selective decarboxylation suburban catalyst rare earth catalysis rare earth catalysis Catalyst Characterization FCC Catalyst Analysis Catalyst selectivity New Sulfurization Catalyst Cadmium reducing agent contact catalyst chain body catalysis mononuclear catalyst Catalyst Catalytic system new catalyst co2 Catalytic system photocatalyst Efficient desulfurization catalyst catalytic reduction Catalyst reduction degree heterogeneous catalyst Catalytic Thorium catalyst homogeneous catalytic selectivity Novel electrocatalysis photoreduction Selective Palladium Catalysis Catalytic selectivity of palladium Palladium reduction selectivity catalytic nitrogen reduction Catalyst properties - Denitrification palladium catalytic reduction Small denitrification equipment Selective esterification photoreductant Hydration catalyst scr denitrification catalyst plastic catalyst System catalysis electrocatalysis Broad-spectrum active catalyst broad spectrum catalyst reduction catalyst reduction catalysis domestic catalysis Rare earth type denitrification catalyst base catalyst Bismuth electrocatalysis Hydration catalyst rare earth catalyst Directed reduction of nitro Catalyst properties Catalyst protium deuterium tritium The new catalyst can Catalytic Performance Equipment Gold Catalyst Specifications new catalyst Foreign Rare Earth Denitrification Electron catalyst cobalt atom catalyst Guanidine catalyst Xishuang Catalyst catalyst rare earth Choice of Limulus Reagent Catalytic Performance Equipment plastic catalyst Principles of Modern Catalysis complex catalyst positive catalyst The activity and selectivity of the active center to the catalyst homogeneous catalyst stability Original research choice rare earth scr catalyst New high-efficiency catalyst atomic catalyst homogeneous Atomic Cobalt Catalysis ember catalyst atomic metal catalyst Photocatalytic bar Palladium Catalyzed Reduction of Bromine Miscellaneous catalysis diatomic catalysis Denitrification Catalytic Device Denitrification Catalysis "catalyst Catalyst screening Cobalt Molybdenum Catalyst Pre-reduction Cerium atom catalysis Catalytic ability cobalt atom catalysis active site catalyst catalyst active site total nitrogen catalyst Vanadium atom catalyst Catalyst screening Denitrification reducing agent GBT34700 GB/T 34700-2017 Organic reducing agent catalytic oxidation catalyst catalyst microwave CatalystLOA Asymmetric Catalysis Thermocatalytic CO2 reduction Hydrometal-redox dual catalyst battery Catalytic desulfurization of rare earth cerium oxide Restored SDS and non-reduced SDS Dehydrogenation catalyst technical standards Reduction of CO2 using catalyst method and electrochemical principles catalyst execution Titanium catalyst Electrocatalysis industry Catalyst acceptance Production of denitration catalysts Catalyst national testing Evaluation of shaped catalysts Catalyst activity specifications Industrialization of electrocatalysis Catalyst commercial The main factors in choosing a catalyst Standard electrocatalyst Catalytic grade aluminum nitrate Catalyst International Electrocatalytic testing Catalyst industry

《GB/T 34700-2017稀土型选择性催化还原（SCR）脱硝催化剂》由TC63（全国化学标准化技术委员会）归口，TC63SC10（全国化学标准化技术委员会化工催化剂分会）执行，主管部门为中国石油和化学工业联合会。

Introduction

1. Background and significance of standard formulation

Rare earth selective catalytic reduction (SCR) denitrification catalyst is an important technical means to control flue gas pollution. The formulation of this standard is based on industry needs and environmental protection requirements, and aims to standardize product performance and technical indicators.

2. Comparison of standard frameworks

Items	Requirements of this standard	Differences between compared standards
SCR denitrification efficiency	≥90%	Higher than the industry average (85%)
Catalyst life	≥30,000 hours	On par with international advanced levels
Chemical composition	Cerium oxide content 1-10%, titanium oxide 75-85%	More stringent ingredient control

3. Interpretation of core technical requirements

3.1 Appearance and geometric performance

The appearance and geometric dimensions of the catalyst unit must meet the requirements of Table 1 and Table 3, including the length, width, height and aperture deviation range. For example, the allowable deviation of the inner wall thickness of the honeycomb structure is ±0.10mm (≤1.00mm).

3.2 Physical and chemical properties

Physical and chemical indicators include compressive strength, wear rate and specific surface area, among which the axial compressive strength must reach more than 2.5MPa. In addition, the mass fractions of cerium dioxide (CeO₂) and titanium dioxide (TiO₂) are controlled between 1-10% and 75-85% respectively.

3.3 Reaction Performance

The activity index of the SCR catalyst must reach 25m⁻¹·h, and the SO₂/SO₃ conversion rate must be ≥0.6%. These indicators ensure efficient denitration under flue gas conditions.

4. Implementation Recommendations

4.1 Catalyst Selection and Application

Select the appropriate type of SCR catalyst according to the flue gas conditions and denitration goals, focusing on the active temperature window and sulfur resistance. It is recommended to give priority to rare earth-based catalysts under high temperature conditions.

4.2 Module Installation and Maintenance

Assemble the modules in strict accordance with the standard requirements to ensure air tightness and flue gas flow uniformity. Regularly monitor the catalyst performance indicators and replace failed products in a timely manner.

4.3 Environmental Benefit Assessment

The implementation of the SCR denitrification technology in this standard can significantly reduce nitrogen oxide emissions, and it is expected to reduce NOₓ emissions by about 10-15% each year, helping to achieve ultra-low emission targets.

More samples: NB/T 47013.2-2015 DL/T 5154-2012 YD/T 3934-2021

Sample only — not a preview of GB/T 34700-2017

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