GB/T 37352-2019Marine selective catalytic reduction (SCR) cellular-type denitrification catalysts (English PDF)
船用选择性催化还原（SCR）蜂窝式脱硝催化剂
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
March 25, 2019
Implementation date
February 1, 2020
Scope
GB/T 37352-2019 is the English-translated version of 船用选择性催化还原（SCR）蜂窝式脱硝催化剂.
GB/T 37352-2019 covers marine selective catalytic reduction (SCR) honeycomb denitration catalysts.
Clause 1 states that it specifies the terms and definitions, product specifications, requirements, test methods, inspection rules, marking, packaging, transportation and storage of these catalysts, and that it applies to selective catalytic reduction (SCR) honeycomb catalysts using titanium dioxide (TiO2) as the carrier and vanadium pentoxide (V2O5) as the active component for the removal of nitrogen oxides from the tail gas of marine diesel engines.
Clause 2 cites GB/T 191, GB/T 19587, GB/T 21650.1, GB/T 31590 and GB/T 33104-2016.
Clause 3 applies the terms and definitions of GB/T 33104-2016 and adds two of its own: one, whose term name the draft does not print legibly, for a honeycomb catalyst monomer with a cross-sectional dimension of 150 mm by 150 mm, and one for the module, assembled from a certain number of catalyst units in a frame of a certain volume.
Clause 4, on product specifications, classifies the catalysts by the number of square holes uniformly arranged on the unit cross-section and gives the recommended specifications as 25 by 25, 30 by 30, 35 by 35, 40 by 40, 45 by 45 and 50 by 50 holes.
Clause 5 states only that the catalysts shall meet the requirements of Table 1, and the draft on the page stops there, so the test methods, inspection rules and packaging provisions announced in clause 1 are not shown.
The standard was proposed by the China Petroleum and Chemical Industry Federation and is under the jurisdiction of the National Chemical Standardization Technical Committee (SAC/TC63). It was issued on 2019-03-25 and has applied since 2020-02-01.
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Document preview — GB/T 37352-2019
National Standard of the People's Republic of China
- ICS
- 71.100.99
- Classification
- G 75
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Product Specifications
- 5 Requirements
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This standard specifies the terms and definitions, product specifications, requirements, and tests for marine selective catalytic reduction (SCR) honeycomb denitration catalysts. Methods, inspection rules, marking, packaging, transportation and storage.
This standard is applicable to the removal of marine diesel engines using titanium dioxide (TiO2) as the carrier and vanadium pentoxide (V2O5) as the active component.
Selective catalytic reduction (SCR) honeycomb catalyst for nitrogen oxides in tail gas.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 191 packaging storage and transportation icon
Determination of specific surface area of solid materials by GB/T 19587 gas adsorption BET method
GB/T 21650.1 Determination of pore size distribution and porosity of solid materials - Part 1
GB/T 31590 flue gas denitration catalyst chemical composition analysis method
GB/T 33104-2016 Marine SCR honeycomb denitration catalyst detection method
3 Terms and definitions
The following terms and definitions defined in GB/T 33104-2016 apply to this document.
3.1 Unit log
A honeycomb catalyst monomer having a cross-sectional dimension of 150 mm x 150 mm.
3.2 Module
It is assembled from a certain number of catalyst units in a certain volume of the frame.
4 Product Specifications
According to the number of square holes uniformly arranged on the unit section, the recommended specifications are 25 holes (25 holes x 25 holes) and 30 holes (30 holes x 30 wells), 35 wells (35 wells x 35 wells), 40 wells (40 wells x 40 wells), 45 wells (45 wells x 45 wells), 50 wells (50 wells x 50 wells), and the like.
5 Requirements
Marine selective catalytic reduction (SCR) honeycomb denitration catalysts should meet the requirements of Table 1.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 191Graphical symbols marking for handling and storage of packages
- GB/T 21650.1Evaluation of pore size distribution and porosity of solid materials by mercruy poresimetry and gas adsorption - Part 1: Mercury porosimetry
- GB/T 31590Analytical methods for the chemical composition of flue gas DeNOx catalysts
- GB/T 33104-2016Test method for honeycomb catalyst for removal of NOx of marine SCR
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Related Standards
GB/T 191-2025 — Graphical symbols marking for handling and storage of packages
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GB/T 19100-2003 — Terminology work--Establishment of concept system
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