|  | CABEQ 36 (1) (2022) 1-90 | 

| Errata Corrige | 
| Machine Learning Approaches for Fault Detection in Semiconductor Manufacturing Process: A Critical Review of Recent Applications and Future Perspectives  V. Arpitha and  A. K. Pani | 1-16 | 
| Chemisorption Role of Clay Surfaces in the Synthesis of Porphyrins from its Raw Materials via Room Temperature Reactions  J. Hassen and  J. Silver | 17-23 | 
| Triethylene Glycol Dehydration of Natural Gas: Evaluation of Mass and Heat Transfer Coefficients in the Case of Absorption and Stripping Structured Packing Towers  A. D. Filep,  T. Todinca and  G. Dumitrel | 25-38 | 
| Synthesis and Application of Cobalt-based Metal-organic Framework for Adsorption of Humic Acid from Water  S. Naseem,  Z. Aslam,  A. Abbas,  S. Sumbal,  R. Ali and  M. Usman | 39-50 | 
| Studies on the Adsorption of 2-Chlorophenol onto Rice Straw Activated Carbon from Aqueous Solution and its Regeneration  M. Mahapatra and  A. Kumar | 51-65 | 
| Enhanced Removal of the Xenobiotic Surfactant Sodium Dodecyl Sulfate from Actual Nondomestic Wastewaters Using Immobilized Mixed Bacterial Cells  A. A.Najim,  Z. Ismail and  K. K. Hummadi | 67-76 | 
| Gasification of Sewage Sludge in a Rotary Kiln Reactor –  A Case Study with Incorporation of Sewage Sludge Ash in Brick Production  A. Bubalo,  D. Vouk,  D. Maljković and  T. Bolanča | 77-87 |