Ion exchange capacity of rocks of the Bazhenov formation of the central and southern parts Nizhnevartovsk arch of Western Siberiaстатья
Статья опубликована в журнале из перечня ВАК
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 4 марта 2022 г.
Аннотация:The paper provides experimental characterization of the ion-exchange capacity of low-permeable shale rocks of the Bazhenov Formation of the central and southern parts of theNizhnevartovsk arch, Western Siberia. We found that the cation exchange capacity (3.30÷17.01meq/100g) and the specific surface area (10.05÷12.66 m2/g) depend on the clay minerals content,but not on the kerogen. The paper describes type of the exchange complex of the studied BazhenovFormation rock samples and discusses the possible reasons for the distribution of exchangeablecations. The cation exchange complex of most part of studied Bazhenov Formation samples has amarine type (rCa/(rNa+rK)<1).