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Search results: Zh.S. Kassenova

Number of results: 2


Studying the effectiveness of silanization of laboratory glassware for chemical analysis of surface active substances
Annotation:

The article discusses the mechanisms by which surfactants interact with a glass surface. The need for a preliminary silanization procedure was studied using laboratory glassware in the chemical analysis of lowconcentration surfactants. Rules were proposed for carrying out the silanization procedure.

Year of release: 2019
Number of the journal: 3(75)
Heading: Natural sciences

Residual chemical analysis of amines used as corrosion inhibitors
Annotation:

Main problem: Presence of acidic chemicals such as carbon dioxide and hydrogen sulphide, composition of production fluids triggers corrosion. Corrosion in oil and gas industry leads to deterioration of equipment since most of equipment is made of metal alloys. Application of inhibitors is one of the corrosion mitigation methods that needs to be controlled because it is important to identify optimal concentration of the chemicals in production fluids.Residual chemical analysis plays an important rolein identifying the appropriate dosage of corrosion inhibitors and its correction. It is imperative to find the most optimal concentration of amines due to the fact that both overdose and underdose could lead to equipment deterioration. The chemical analysis is hindered by complexity of mixtures that are applied in petroleum industry. Purpose: The main purpose of this article is to find out the most effective method of residual chemical analysis for inhibitors used against sweet and sour corrosion by studying and analyzing corresponding literature review. The analysis should be carried out with robust, sensitive, and accurate instrumentation. Methods :Theoretical study of composition and mechanism of amines used in oil and gas industry as corrosion inhibitors and selection of appropriate instrumental analytical techniques for the residual analysis. Results and their importance: After careful studying and consideration of modern instrumental analytical techniques the most optimal and efficient method in terms of robustness, time saving and cost was selected. Ion chromatography is an adequate method to carry out residual chemical analysis for amines that are used as inhibitors in oil and gas industry to prevent sweet and sour corrosion.

Author: Zh.S. Kassenova
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