Study of Physicochemical Properties of Feedstock and Product in the Technology of Linear Alkylbenzene Sulfonation; Petroleum and Coal; Vol. 67, iss. 4

Study of Physicochemical Properties of Feedstock and Product in the Technology of Linear Alkylbenzene Sulfonation; Petroleum and Coal; Vol. 67, iss. 4

Bibliographische Detailangaben
Parent link:	Petroleum and Coal.— .— Bratislava: Slovnaft VURUP Vol. 67, iss. 4.— 2025.— P. 1044-1049
Weitere Verfasser:	Ivashkina E. N. Elena Nikolaevna, Krivtsova N. I. Nadezhda Igorevna, Dolganova I. O. Irena Olegovna, Dolganov I. M. Igor Mikhailovich, Matkova A. E. Anna Evgenjevna
Zusammenfassung:	Title screen The study investigates the sulfonation process of linear alkylbenzene (LAB) using SO3 to produce alkylbenzene sulfonic acid (ABSA), a key intermediate in surfactant manufacturing. Three industrial AB samples and one ABSA product were analyzed to evaluate their physicochemical properties, including density, viscosity, water content, and isomeric composition. The quality of AB was assessed using gas chromatography–mass spectrometry (GC-MS), and the resulting ABSA was evaluated for sulfonic acid content, sulfuric acid concentration, unsulfonated compounds, and color index. Analytical techniques included Stabinger viscometry (SVM 4001), Shatox water analyzers, and titrimetric methods. Experimental results showed that only one of the three AB samples met the required specifications and was suitable for sulfonation. ABSA properties were found to be within acceptable industrial limits, although slight deviations in non-sulfonated matter were observed. The study provides a validated methodology for feedstock selection and product quality monitoring, supporting future development of industrial process optimization and mathematical modeling Текстовый файл
Sprache:	Englisch
Veröffentlicht:	2025
Schlagworte:	Sulfonation Linear alkylbenzene Alkylbenzenesulfonic acid Coloring products Mathematical modeling электронный ресурс труды учёных ТПУ
Online-Zugang:	https://www.vurup.sk/wp-content/uploads/2025/11/PC-X_Dolganova_2025_103.pdf
Format:	Elektronisch Buchkapitel
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=683624

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