nucВестник НЯЦ РКNNC RK Bulletin1729-75161729-7885Национальный ядерный центр Республики Казахстан10.52676/1729-7885-2023-3-103-110nuc-546Research ArticleСтатьиСТРУКТУРИРОВАНИЕ ВОДНОЙ СУСПЕНЗИИ СЕРНО-ГИПСОВОЙ СМЕСИ В ПРИСУТСТВИИ СОСТАВА ПОВЕРХНОСТНО-АКТИВНЫХ ВЕЩЕСТВ И ВОДОРАСТВОРИМЫХ ПОЛИМЕРОВSTRUCTURING OF AN AQUEOUS SUSPENSION OF A SULFUR-GYPSUM MIXTURE IN THE PRESENCE OF A COMPOSITION OF SURFACTANTS AND WATER-SOLUBLE POLYMERShttps://orcid.org/0000-0003-1182-7460ТоштайК.ToshtayK.

Алматы

Almaty

kainaubek.toshtay@gmail.comАбызбековаГ. М.AbyzbekovaG. M.

Кызылорда

Kyzylorda

АзатС.AzatS.

Алматы

Almaty

Казахский национальный университет им. аль-ФарабиКазахстанal-Farabi Kazakh National UniversityKazakhstanКызылординский университет имени Коркыт АтаКазахстанKorkyt Ata Kyzylorda UniversityKazakhstanСатбаев университетКазахстанSatbayev UniversityKazakhstan20233009202303103110Copyright © Тоштай К., Абызбекова Г.М., Азат С., 20232023Тоштай К., Абызбекова Г.М., Азат С.Toshtay K., Abyzbekova G.M., Azat S.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://journals.nnc.kz/jour/article/view/546

В данной статье методами коллоидной химии показаны пути использования накопленной серы в нефтедобыче и возможность структурирования смеси серы с гипсом в присутствии поверхностно-активных веществ и полимерных комплексов. Приготовлены композиции, состоящие из анионного полиэлектролита (NaKMC) и катионного (ЦТАБ), катионного полиэлектролита (ПДМДААХ) и анионного сульфанолового ПАВ, изучено их влияние на поверхностное натяжение воды, ζ-потенциал и влияние полимера и ПАВ на серу. Установлено, что с увеличением относительной концентрации композиции полимер-ПАВ пластическая прочность суспензии увеличивается, а через определенное время прочность снижается. Это объясняется тем, что при добавлении полярной части ПАВ к полярной части полимера – полимер становится гидрофобным, лучше адсорбируется на частицах серы, повышается прочность всей системы. И когда все полярные части полимера нейтрализуются полярными частями ПАВ, молекулы ПАВ начинают своей гидрофобной частью адсорбироваться на полимере. В результате полимер начинает сжиматься и образовывать глобулу. В этом случае снижается пластическая прочность системы.

In this article, the methods of colloidal chemistry show the ways of using accumulated sulfur in oil production and the possibility of structuring a mixture of sulfur with gypsum in the presence of surfactants and polymer complexes. Compositions consisting of anionic polyelectrolyte (NaKMC) and cationic (CTAB), cationic polyelectrolyte (PDMDAAH) and anionic sulfanol surfactant were prepared, their effect on the surface tension of water, ζ-potential and the effect of polymer and surfactant on sulfur were studied. It was found that with an increase in the relative concentration of the polymer-surfactant composition, the plastic strength of the suspension increases, and after a certain time the strength decreases. This is explained by the fact that when the polar part of the surfactant is added to the polar part of the polymer, the polymer becomes hydrophobic, is better adsorbed on sulfur particles, and the strength of the entire system increases. And when all the polar parts of the polymer are neutralized by the polar parts of the surfactant, the surfactant molecules begin to adsorb on the polymer with their hydrophobic part. As a result, the polymer begins to shrink and form a globule. In this case, the plastic strength of the system decreases.

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The authors declare that there are no conflicts of interest present.