This journal encompasses Original Research Articles, Review Articles (only selected/invited authors), and Short Communications, including:

• fundamentals of catalyst and catalysis; 
• materials and nano-materials for catalyst; 
• chemistry of catalyst and catalysis; 
• surface chemistry of catalyst;
• applied catalysis; 
• applied bio-catalysis; 
• applied chemical reaction engineering; 
• catalyst regeneration;
• catalyst deactivation;
• photocatalyst and photocatalysis;
• electrocatalysis for fuel cell application;
• applied bio-reactor; 
• membrane bioreactor; 
• fundamentals of chemical reaction engineering;
• kinetics studies of chemical reaction engineering;
• chemical reactor design (not process parameter optimization); 
• enzymatic catalytic reaction (not process parameter optimization); 
• kinetic studies of enzymatic reaction (not process parameter optimization);
• the industrial practice of catalyst; 
• the industrial practice of chemical reactor engineering; 
• application of plasma technology in catalysis and chemical reactor; and
• advanced technology for chemical reactors design.

However, articles concerned about the "General Chemical Engineering Process" are not covered and out of the scope of this journal.