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HG/T 6459-2025Reaction performance test method for selective catalytic reduction (SCR) denitration catalysts in cement production (English PDF)

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

December 17, 2025

Implementation date

July 1, 2026

Scope

HG/T 6459-2025 (Reaction performance test method for selective catalytic reduction (SCR) denitration catalysts in cement production) is available as an English-translated PDF.

HG/T 6459-2025 — This standard specifies the test methods for the reaction performance of selective catalytic reduction (SCR) denitrification catalysts used in cement plants.

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Document preview — HG/T 6459-2025

National Standard of the People's Republic of China

ICS: 71.100.99
Classification: G 63

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2

What this standard covers

This standard specifies the test methods for the reaction performance of selective catalytic reduction (SCR) denitrification catalysts used in cement plants. This document applies to the testing of denitrification efficiency, ammonia slip, activity, pressure drop, and sulfur dioxide/sulfur trioxide conversion rate of honeycomb catalysts and flat-plate catalysts (including fresh catalysts, used catalysts, and regenerated catalysts) used for flue gas denitrification in cement plants.

Document data

International classification (ICS): 71.100.99.

Chinese classification (CCS): G63.

Estimated length of the Chinese original: 8,899 words.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 6 pages — is available in the English PDF.

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