Water Treatment & Reuse May 9th – June 16t" />

Capita Selecta ETE-50403 Water Treatment & Reuse

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18 Apr 2006
Unit: Wageningen UR

Capita Selecta ETE-50403

 

Water Treatment & Reuse

 

May 9th – June 16th 2006

 

 

Water treatment & reuse - The primary objective of wastewater treatment always has been to produce a water quality that satisfies the discharge standards. The last decade this objective slowly changed when the need for renewable resources became recognized. Obviously, this concerns water itself, for example expressed in one of the Milennium Development Goals to “reduce by half the number of people without sustainable access to safe drinking water”, but also applies to reuse of industrial wastewater, cost-effective production of irrigation water and the even production of drinking water from wastewater. Removal of bulk pollutants already was an important issue and now micropollutants that prevent reuse of water have become equally important. Examples are heavy metals, medicine residues, hormones and pathogens. In addition, new legislation imposes more stringent discharge guidelines for the nutrients phosphorus and nitrogen.

 

Energy & nutrient recovery  - A relatively new but extremely important issue concerns the observation that wastewater pollutants often represent valuable and renewable resources. For instance, bulk organic compounds in wastewater can be recoverd as energy by anaerobic processes or by bio-fuel cells. Another example is the phosphorus present in domestic, agricultural and industrial wastewaters. Economically exploitable phosphorus ores are expected to be finished within 50 years time.

 



Programme - Both the objectives, i.e. treatment to obtain a reusable water quality and to recover energy and nutrients, asks for the development of new water and wastewater treatment processes. In this course recent developments in this field will be presented including biological, physical, and (electro-) chemical techniques. Fundamental background information will be presented by lecturers from research institutes and practical applications will be presented by representatives from companies. The course consists of 7 sessions of 4 lectures each, starting on Tuesday 9th of May. A tentative programme is attached. The course material will be made available on Eduweb and will be examined in an open book exam. Attendance of the lectures is obligatory.

Tentative Programme

 

May 9

session 1

Introduction

 

13:15-14:00

General introduction

 

14:15-15:00

Fresh water is a limited  resource

 

15:15-16:00

Shark basin water treatment and reuse in a zoo

 

16:15-17:00

Legislation as a driver for water treatmeant and re-use

 

 

 

May 16

session 2

Micropollutants and recalcitrant compounds

 

13:15-14:00

Biodegradation of recalcitrant compounds

 

14:15-15:00

Sequential anaerobic and aerobic treatment of azo-dyes in the textile industry

 

15:15-16:00

Principles of advanced oxidation processes

 

16:15-17:00

Combined UV and H2O2  to remove organic micropollutants

 

 

 

May 23

session 3

Micropollutants and recalcitrant compounds

 

13:15-14:00

Adsorption theory

 

14:15-15:00

Applications of activated carbon for water treatment

 

15:15-16:00

Precipitation and crystallisation theory

 

16:15-17:00

Crystallactor to remove and recover heavy metals

 

 

 

May 30

session 4

Pathogens

 

13:15-14:00

Characteristics, appearance and dangers of pathogens in water

 

14:15-15:00

Disinfection in rain water harvesting

 

15:15-16:00

Fundamentals of electrochemistry

 

16:15-17:00

Disinfection by electrochemistry

 

 

 

June 6

session 5

Salt

 

13:15-14:00

Membranes: what are they made of and how do they work

 

14:15-15:00

Reversed osmosis membranes for desalination

 

15:15-16:00

Membrane assisted water softening

 

16:15-17:00

Innovative desalination technology

 

 

 

June 13

session 6

Bulk organics and energy recovery

 

13:15-14:00

Methods to convert waste into energy

 

14:15-15:00

Water treatment and energy recovery in the pulp & paper industry

 

 

 

 

session 7

Nutrients

 

15:15-16:00

New biological nitrogen removal technology

 

16:15-17:00

Phosphate recovery from wastewaters

 

 

 

June 20

session 8

Reuse of domestic wastewater

 

13:15-14:00

Decentralized treatment and reuse

 

14:15-15:00

Upgrading wastewater to irrigation water

 

 

 

 

session 9

Industrial water treatment & reuse

 

15:15-16:00

Potentials of extremophiles

 

16:15-17:00

Closing industrial water loops

 

 

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