Contents

Petroleum Chemistry

Vol. 66, No. 2, 2026

RESEARCH PAPER

Plasma-Assisted Synthesis and Mechanisms of Action of (Ni/Cu)/γ-Al2O3 Catalysts for Heavy Oil Upgrading

Quanli Wang, Ruochang Li, Yanbin Xin, Jingfeng Dong, Jiabin Wang, Jing Zhao, Peili Zhang, and Bing Sun p. 127  abstract

An Environmentally Friendly Multifunctional Additive for Catalytic Cracking

Shuping Yang, Chenyang Li, Bo Li, Xiaoqiang Wang, Zhengguo Tan, and Xionghou Gao p. 146  abstract

REVIEW PAPER

Potential for Converting Geological CO2 Storage Site into Methane Deposits via Indigenous Microorganisms and Mitigating Storage Overpressure Risks (A Review)

Rizwan Younas, Mohd Zaidi Jaafar, Shaziera Omar, Muhammad Shahid, Sajid Khan, Muftahu N. Yahya, and Muhammad Muhammad p. 155  abstract

RESEARCH PAPER

Investigation of Pt-Containing Catalysts Based on RFE and MTT Zeolites in Hydroisomerization of n-Hexadecane and Hydroisodewaxing of Diesel Fuel

Yamen Aljajan, Maria Rubtsova, Lubov Zatsepina, Daniil Ekimenkov, Ekaterina Smirnova, Valentin Stytsenko, and Aleksandr Glotov p. 178  abstract

Effect of Maturation on the Distribution of Fluorenes, Dibenzothiophenes, and Dibenzofurans in Source Rock: Laboratory Investigation by Hydrous Pyrolysis of Coal Samples in the Erlian Basin

Song Huanxin, Zeng Linsheng, Zhan Mengyang, and Li Xiaotian p. 193  abstract

Correlation of Structural Characteristics with Flocculation Behavior of Asphaltenes from Algerian Hassi-Messaoud Oil

Khadidja Kradra Brahma, Amina Sardi, Souad Bennabi, Youcef Bouhadda, and Soumia Abdelkrim p. 206  abstract

Progress on Chemical Demulsifiers for Oil Fields

Jiana Li, Yanzhong Han, Longlong Yan, Longlong Dou, Chaocheng Tan, Lei Han, Jungang Sun, and Congyu Ke p. 222  abstract