Plant Design and Operation for Herbal Drugs


Dr. Dipankar Bhattacharyay


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Plant Design and Operation for Herbal Drugs

Code(Credit) : CUTM1179 (2-0-1)

Course Objectives

  • This course provides comprehensive view of a plant where bulk production of herbal products occurs.
  • Designing of the plant for effective production is another major objective of this course

Learning Outcomes

  • This course enables students to do amalgamation of their herbal production knowledge to aspects of Chemical Engineering and design of a production process sheet such that they transform into industrial production plant designers.

Course Syllabus

  • Theory
  • Module I
  • General design considerations, Process design development, Layout of plant items, Flow sheets and PI diagrams, Economic aspects and Optimum design, Practical considerations in design and engineering ethics. Water: Water resources, Storage and characterization, Conditioning.
  • Module II
  • Steam - Boilers, Steam Handling and distribution, Steam nozzles, Condensate utilization, Steam traps, Flash tank analysis, Safety valves, Pressure reduction valves, Desuperheaters. Air - Air compressors, Vacuum pumps, Air receivers, Distribution systems, Different types of ejectors, Air dryers. Energy Conservation - Analysis of scope and potential for energy conservation, Good housekeeping practice, Thermal insulation, Efficiency improvement in boilers, furnaces and heat recovery techniques, Energy conservation in HVAC systems, Electrical energy conservation; analysis of motor, analysis of pumps, Process integration as a measure of energy conservation, Optimization of steam system,
  • Module III
  • Energy saving opportunities with compressed air systems and cooling towers. Analysis of Cost estimation - Factors affecting Investment and production costs, Estimation of capital investment and total product costs, Interest, Time value of money, Taxes and Fixed charges, Salvage value, Methods of calculating depreciation, Profitability, Alternative investments and replacements.
  • Module IV
  • Optimum Design and Design Strategy: Break-even analysis, Optimum production rates in plant operation, Optimum batch cycle time applied to evaporator and filter press, Economic pipe diameter, Optimum insulation thickness, Optimum cooling water flow rate and optimum distillation reflux ratio.
  • Suggested Readings
  • Peters, M.A. and Timmerhaus, K.D., Plant Design and Economics for Chemical Engineers, McGraw Hill (2003).
  • Anil Kumar, Chemical Process Synthesis and Engineering Design, Tata McGraw Hill (1982). Ulrich, G.D., A Guide to Chemical Engineering Process Design and Economics, John Wiley & Sons (1984).
  • Nagabhushan Raju, K., Industrial Energy Conservation Techniques: Concepts, Applications and Case Studies, Atlantic Publishers & Distributors (2007).

Session Plan

Session 1

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Session 2

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Case Studies

Case Studies

Our Main Teachers

Dipankar Bhattacharyay is working as Dean of School of Applied Sciences. He did his PhD on biosensors from Jadavpur University. He did his postdoc at University of Quebec at Chicoutimi, Canada and later joined as research professor there. He has published in many peer reviewed journals with citations above 450, h-index 12 and i-10 index […]