%From Truls.Gundersen@termo.unit.no Mon Feb 10 09:05:07 1997


	WASTE AND WASTE WATER MINIMIZATION
	In the spirit of Process Systems Engineering

	by Truls Gundersen
	Thermal Heat and Hydro Power

	PROST-seminar Wednesday 19 February 1997


	ABSTRACT

	The issue of using Process Systems Engineering to address waste
	and waste water minimization is discussed at three levels:

	1)   Where is waste generated ?
	2)   Efficient use of Wastewater
	3)   Optimal Effluent Treatment

	The first item (1) will discuss the sources of waste in order to
	point to ways to eliminate waste at source.  The second item (2)
	looks at ways to efficiently use, reuse, regenerate and recycle
	water to remove waste from the process streams.  Finally, the
	downstream treatment of the produced wastewater is discussed
	in the last item (3).

	Two methodologies have been used to address these problems:

	1)   Graphical Diagrams and methods from Pinch Technology
	2)   Optimization techniques such as Mathematical Programming

	The seminar will show how these methods can be used effectively
	to address and optimize problems related to Waste generation,
	removal of waste by water and treatment of the effluent water.