After Six Sigma PowerPoint

Question 1

Design for chemical plant

Answer 1

1 involves chemical technology
2 unit operations
3 instrumentation/controls
4 specialized equipment
5 safety considerations
6 materials of construction

Question 2

1. Chemical technology

What does it involve?

Answer 2

Deals with chemical changes and physical methods involved in industrial process

Question 3

2. Plant capacity

Answer 3

1 Before designing a process the product specifications need to be fixed

2 plant capacity cab be decided on demand or investment

Question 4

2. Plant capacity continued

Answer 4

3 investment depends on available technologies

4 consumption of raw materials and energy needs to be calculated through stoichiometric calculations

Question 5

6 Design steps

Answer 5

1..
2..
3 ..
4 Final process design
5 preliminary process evaluation
6 final process evaluation

Question 6

Process Research/Pilot studies

Answer 6

1 Process research is chemically feasible process

2 basic operating condition are investigated and info gathered from research to prepare a preliminary material report and energy balance flow sheet

3 pilot plant may be required first (error small not big)

4 manufacturing bulk drugs, eg. Antibiotics
….

Question 7

4 advantages of pilot plants

Answer 7

1 help in ongoing improvement of process
2 improvement in product quality
3 reduction in process costs
4 Safety and minimizing pollution effects

Question 8

8 advantages of pilot plants (continued)

Answer 8

5 manufacturing small volume can supply for commercial testing before doing large scale

6 selection of manpower - familiarity with chemical process and equipment, communication and observation skills

7 logging data can change - inexpensive to electronic instrumentation, trend analysis

8 can be used as training area

Question 9

11 Overall process design factors

Answer 9

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7 separation process calculations with optimum…

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10 develop a tentative layout of plan for safety requirements

11 estimate capital investment & production cost