This procedure offers complete methodologies for sampling and measuring particle streams and summarizes methods of particle size analysis. It also lists operating variables to be considered and measured. Although the procedure is intended specifically for particle classification equipment, many of the items are also relevant to particle collection devices.

This new edition of a trusted guide combines and updates the best available field knowledge on both trayed and packed distillation columns. In one complete, user-friendly volume, it presents a compilation of techniques rather than a single set of compulsory steps, allowing readers to select the procedure that best suits their needs. With its engineer-tested procedures and detailed explanations, the third edition provides chemical engineers, plant managers, and other professionals with first-class advice on assessing and measuring performance for a variety of distillation column types in multiple applications.

The authors have done their research in the Department of Pharmacy, University of Asia Pacific, Dhaka, Bangladesh. This department is continuing its research activities since its inception in different fields, likely, Pharmaceutical Technology, Pharmaceutical Microbiology, Pharmaceutical Biotechnology, Phytochemistry etc. Every year a number of research articles are being published in different reputed journals from this department. The main author Prof. Dr. Mohiuddin Ahmed Bhuiyan has published a number of research articles in national and international journals in the field of Biotechnology, Molecular Biology, Pharmaceutical Technology, Phytochemistry etc. The second author, Mr. Mohammad Shahriar, has also published research articles in the field of Biotechnology, Phytochemistry and Microbiology. Mr. Robin Kumar Aich was a research student in the Master program of the department under the supervision of Dr. Bhuiyan and Mr. Shahriar.