GB/T 39718-2020High mass flux catalyst for hydrogen peroxide decomposition (English PDF)

1 Scope

This standard specifies the terms and definitions, product specifications, requirements, test methods, inspection rules, and standards for high-throughput hydrogen peroxide decomposition catalysts:

Log, packaging, transportation and storage, and product accompanying documents:

This standard applies to high flux catalysts with a mass fraction of 80% to 98% hydrogen peroxide in the catalytic decomposition:

2 Normative references

The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article

Pieces: For undated references, the latest version (including all amendments) applies to this document:

GB/T 191 Packaging, Storage and Transportation Graphic Mark

GB/T 6678 General Rules for Sampling of Chemical Products

GB/T 6682 Analytical laboratory water specifications and test methods

GB/T 8170 Number rounding rules and the expression and judgment of limit values

QJ1492A Liquid Rocket Engine Test Data Processing Method

QJ3310 Hydrogen peroxide/kerosene engine ground test method

3 Terms and definitions

The following terms and definitions apply to this document:

3:1

Catalystscreenplate

The metal mesh is used as the substrate, and the surface is uniformly loaded/deposited with active components: According to actual requirements, it can be processed into a certain geometric shape and

The size is the basic component of the high flux hydrogen peroxide catalyst bed:

3:2

High-flux hydrogen peroxide decomposition catalyst highmassfluxcatalystforhydrogenperoxidedecomposition

According to the requirements of specific operating conditions, it is applied in the form of a catalytic bed assembly in the reactor, which can achieve a height of more than 30g/(cm2·s)

The mesh catalyst for flux reaction catalyzes the decomposition of hydrogen peroxide into oxygen and water:

3:3

Anti-compressionperformance

The mesh catalyst has the performance that the catalytic active layer does not crack under a certain vertical pressure:

3:4

Catalyticdecompositionrate

Under the action of a specific size catalyst, the rate at which the mass of hydrogen peroxide of a specified concentration and mass decreases during the decomposition process: