Solid Wastewater Management 2 Question Paper

Solid Wastewater Management 2

Course:Bachelor Of Science (Water & Environmental Engineering)

Institution: Kenyatta University question papers

Exam Year:2008

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2008/2009
FIRST SEMESTER EXAMINATION FOR THE DEGREE OF
BACHELOR OF SCIENCE (WATER ENGINEERING)
SET 522: SOLID WASTE MANAGEMENT II

DATE: TUESDAY, 27TH NOVEMBER, 2008 TIME: 8.00 A.M. – 10.00 A.M.

INSTRUCTIONS:

1)
Attempt three questions only
2)
Question one is mandatory

1.
(i)
Name and discuss four elements of a waste minimization strategy. (12 marks)
(ii)
To ensure an optimum waste minimization programme a wide-ranging strategy must be employed. Name and discuss five of the basic parts of the waste minimization strategy. (15 marks)
(iii)
What are waste minimization options? (3 marks)

2.
(i)
Why should the clean technologies be adopted? (2 marks)
(ii)
Briefly examine three main factors namely economics, legislation and community response. (8 marks)
(iii)
Indicate two incentives and two disincentives for adopting clean technologies? (6 marks)

3.
(i)
What is lifecycle assessment of a product? (2 marks)
(ii)
Outline steps necessary into conducting a life cycle assessment of a product. (8 marks)
(iii)
Name major factors in product lifecycle system. (4 marks)
(iv)
Explain source waste reduction measures giving examples. (6 marks)

4.
Metal parts are degreased by spraying with solvent. To protect workers health, an air extraction system is installed over the workbenches. This leads to a problem with atmospheric emissions of Volatile Organic Compounds (VOCS)
(i)
Outline some possible methods of overcoming this problem . (12 marks)
(ii)
Give the preferred order of priority of the solutions. (8 marks)

5.
Discuss integrated approach to solid waste management, outlining logical actions, minimization of the production of waste, maximization of recycling and reuse, promotion of safe waste collection and disposal. (20 marks)

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