HG/T 3927-2020 Activated aluminium oxide for industrial use
1 Scope
This standard specifies the classification, requirements, test methods, inspection rules, marking and labeling as well as packaging, transportation and storage of activated aluminium oxide for industrial use.
This standard is applicable to the activated aluminium oxide for industrial use. This product is used in oil refining, chemical fertilizer, petrochemical, natural gas, oxygen production and chemical industry, etc. It is mainly used as gas and liquid adsorbent, fluorine adsorbent, chlorine adsorbent, desiccant and catalyst carrier.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 191-2008 Packaging - Pictorial marking for handling of goods
GB/T 6003.1 Test sieves - Technical requirements and testing - Part 1: Test sieves of metal wire cloth
GB/T 6678 General principles for sampling chemical products
GB/T 6682-2008 Water for analytical laboratory use - Specification and test methods
GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
HG/T 3696.1 Inorganic chemicals for industrial use - Preparations of standard and reagent solutions for chemical analysis - Part 1: Preparations of standard volumetric solutions
HG/T 3696.3 Inorganic chemicals for industrial use - Preparations of standard and reagent solutions for chemical analysis - Part 3: Preparations of reagent solutions
3 Molecular formula
Al2O3·nH2O (n<1)
4 Classification
The activated aluminium oxide for industrial use is classified into 6 classes:
——Class I: used for adsorption and dehydration of various hydrocarbon gases, natural gas, petroleum cracking gas, etc.;
——Class II: used for defluorination of drinking water and industrial water;
——Class III: used for regeneration of anthraquinone in the working solution in the hydrogen peroxide production process;
——Class IV: used for dechlorination of various gases, viscous resins and other liquids;
——Class V: used as a carrier for various catalysts;
——Class VI: used as an air separation desiccant.
5 Requirements
5.1 Appearance: white or white-like spherical particles.
5.2 The activated aluminium oxide for industrial use shall be tested with the test methods specified in this standard and shall meet those specified in Table 1.
Table 1
Foreword i
1 Scope
2 Normative references
3 Molecular formula
4 Classification
5 Requirements
6 Test methods
7 Inspection rules
8 Marking and labeling
9 Packaging, transportation and storage
