GB/T 35212.4-2023 English PDF

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GB/T 35212.4-2023: Analysis and evaluation methods of gas and solution and desulfurization decarbonization and sulfur recovery for natural gas treating plant - Part 4: Determination of sodium, magnesium, calcium in alkanol amine desulfurization by ion chromatography
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 35212.4-2023	239	Add to Cart	3 days	Analysis and evaluation methods of gas and solution and desulfurization decarbonization and sulfur recovery for natural gas treating plant - Part 4: Determination of sodium, magnesium, calcium in alkanol amine desulfurization by ion chromatography	Valid

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Basic data

Standard ID: GB/T 35212.4-2023 (GB/T35212.4-2023)
Description (Translated English): Analysis and evaluation methods of gas and solution and desulfurization decarbonization and sulfur recovery for natural gas treating plant - Part 4: Determination of sodium, magnesium, calcium in alkanol amine desulfurization by ion chromatography
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: E24
Classification of International Standard: 75.020
Word Count Estimation: 11,136
Date of Issue: 2023-05-23
Date of Implementation: 2023-09-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 35212.4-2023: Analysis and evaluation methods of gas and solution and desulfurization decarbonization and sulfur recovery for natural gas treating plant - Part 4: Determination of sodium, magnesium, calcium in alkanol amine desulfurization by ion chromatography

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 75:020 CCSE24 National Standards of People's Republic of China Gas and solution analysis and desulfurization in natural gas processing plants, Analysis and Evaluation Method for Decarbonization and Sulfur Recovery Part 4: Determination of alcohol amines by ion chromatography Composition of sodium, magnesium and calcium ions in desulfurization solution 2023-05-23 release 2023-09-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

table of contents

Preface I Introduction II 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Method principle 2 5 Reagents and Materials 2 6 Instruments and Equipment 3 7 Test Step 3 8 Experimental data processing 4 9 Precision 4 Appendix A (informative) Chromatograms of sodium, magnesium and calcium ions in typical alcohol amine desulfurization solutions 6

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: This document is GB/T 35212 "Analysis and evaluation methods for gas and solution in natural gas treatment plants, desulfurization, decarbonization and sulfur recovery" Part 4: GB/T 35212 has issued the following parts: --- Part 1: Gas and solution analysis; --- Part 2: Analysis of desulfurization and decarburization solvents; ---Part 3: Technical requirements and analysis and evaluation methods for sulfur recovery and tail gas treatment catalysts; --- Part 4: Determination of sodium, magnesium and calcium ion composition in alcohol amine desulfurization solution by ion chromatography: Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed and managed by the National Natural Gas Standardization Technical Committee (SAC/TC244): This document was drafted by: China National Petroleum Corporation Southwest Oil and Gas Field Company Natural Gas Research Institute, China Petroleum Engineering Construction Co:, Ltd: Southwest Branch, Southwest Petroleum University, Eco-Environmental Research Center of Chinese Academy of Sciences, China National Petroleum Corporation Hua North Oilfield Branch, PetroChina Changqing Oilfield Branch, China Huanqiu Engineering Co:, Ltd: Beijing Branch: The main drafters of this document: Chang Honggang, Wu Mingou, Yan Xiaoqin, Liu Qisong, Chen Qingmei, Li Jinjin, Xiao Le, Li Linfeng, Liang Li, Xu Juan, Wang Zhihong, Tang Cong, Zheng Hongguo, Pei Jinqun, Duan Ming, Lan Guihong, Mao Lijun, Liu Limin, Bin Mei, Zhao Yulong, Fang Guoqing, Ren Jun, Chen Zhenzhong, Zhao Jia handed over:

Introduction

During the production process of amine desulfurization and decarburization, solution pollution will be caused by various reasons: The metal cation sodium, magnesium, calcium ion in the desulfurization solution of p-alkanolamine The analysis of the subcomponents is to monitor the quality of the alcohol amine desulfurization solution and ensure the smooth operation of the amine desulfurization and decarburization production process: The content of these cations Quantity is one of the important indicators to judge the performance change of desulfurization solution: GB/T 35212 "Analysis and Evaluation Methods of Gas and Solution in Natural Gas Treatment Plants and Desulfurization, Decarbonization and Sulfur Recovery" aims to standardize natural gas The technical standardization document proposed for gas purification production activities to ensure efficient production of natural gas is proposed to consist of 4 parts: --- Part 1: Gas and solution analysis: The aim is to establish a general and operational analysis for natural gas processing plant gases and solutions evaluation method: --- Part 2: Analysis of desulfurization and decarburization solvents: The objective is to establish operational analytical Evaluation methods, and the corresponding technical requirements: --- Part 3: Sulfur recovery and tail gas treatment catalyst technical requirements and analysis and evaluation methods: intended for natural gas processing plants Sulfur recovery and tail gas treatment catalysts establish operable analysis and evaluation methods, and specify the corresponding technical requirements: --- Part 4: Determination of sodium, magnesium and calcium ion composition in alcohol amine desulfurization solution by ion chromatography: intended for natural gas processing plants The determination of the metal cation content in the alcohol amine desulfurization solution establishes an operable analysis and evaluation method, and stipulates the corresponding technical technical requirements: Gas and solution analysis and desulfurization in natural gas processing plants, Analysis and Evaluation Method for Decarbonization and Sulfur Recovery Part 4: Determination of alcohol amines by ion chromatography Composition of sodium, magnesium and calcium ions in desulfurization solution WARNING: This document does not address security issues related to its application: Before using this document, it is the user's responsibility to establish appropriate safety and Protective measures, and clarify its limited scope of use:

1 Scope

This document describes the principle of the test method, reagents and materials, instruments and Equipment, test procedures, test data processing and precision: This document is applicable to the composition analysis of metal cations in alcohol amine desulfurization solution: The types and determination ranges of metal cations are shown in Table 1: Table 1 Types and determination ranges of metal cations in milligrams per liter Component mass concentration range (ρ) Sodium ion 0:1~10000 Magnesium ion 0:3~10000 Calcium ion 0:3~10000

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 6682 Analytical laboratory water specifications and test methods

3 Terms and Definitions

The following terms and definitions apply to this document: 3:1 guardcolumn A chromatographic column that is placed before the separation column and is used to protect the separation column from contamination by impurities such as particles or irreversible retentates: 3:2 Separation column separationcolumn According to the retention characteristics of the ions to be measured, the ion-exchange chromatographic column that separates the ions to be measured before detection: ......

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