GB/T 42526-2023Alcohol amine desulfurization and decarburization agents (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting.

1 Scope

This document specifies the technical requirements, test methods, inspection rules, signs, packaging, transportation, storage, file and security.

This document applies to industrial feed gas and tail gas dehydrogen sulfide, carbon dioxide or organic sulfur systems, using N-methyldiethanolamine (MDEA)-based desulfurization and decarburization agent.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 191 Packaging, storage and transportation icon marks

GB/T 510 Determination of Freezing Point of Petroleum Products

GB/T 6324.1 Test methods for organic chemical products - Part 1: Water miscibility test for liquid organic chemical products

GB/T 6678 General Rules for Sampling of Chemical Products

GB/T 6680 General Rules for Sampling of Liquid Chemical Products

GB/T 8170 Numerical rounding off rules and expression and determination of limit values

GB/T 21885 Determination of defoaming effect of textile printing and dyeing auxiliaries and defoamers

GB/T 35212.1-2017 Gas and solution analysis and desulfurization, decarbonization and sulfur recovery analysis and evaluation methods in natural gas treatment plants Part 1: Gas and solution analysis

GB/T 36767 Alcohol amine desulfurization and decarburization agent purification performance evaluation method

3 Terms and Definitions

This document does not have terms and definitions that need to be defined.

4 Technical Requirements

The technical requirements for alcohol amine desulfurization and decarburization agents should meet the requirements in Table 1.

Table 1 Technical requirements of alcohol amine desulfurization and decarburization agents

Serial Number Item Index

1 Appearance colorless or light yellow transparent liquid

2 N-methyldiethanolamine (MDEA) mass fraction/% >=50.0

3 freezing point/°C <=-25