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A Transdisciplinary Approach for Water Pollution Control: Case Studies on Application of Natural Systems
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  • Journal title : Environmental Engineering Research
  • Volume 19, Issue 3,  2014, pp.185-195
  • Publisher : Korean Society of Environmental Engineering
  • DOI : 10.4491/eer.2014.S1.010
 Title & Authors
A Transdisciplinary Approach for Water Pollution Control: Case Studies on Application of Natural Systems
Polprasert, Chongrak; Liamlaem, Warunsak;
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 Abstract
Despite the enormous technical and economic efforts to improve environmental conditions, currently about 40% of the global population (or 2 billion people) are still lack access to safe water supply and adequate sanitation facilities. Pollution problems and transmission of water- related diseases will continue to proliferate. The rapid population growth and industrialization will lead to a reduction of arable land, thus exacerbating the food shortage problems and threatening environmental sustainability. Natural systems in this context are a transdisciplinary approach which employs the activities of microbes, soil and/or plants in waste stabilisation and resource recovery without the aid of mechanical or energy-intensive equipments. Examples of these natural systems are: waste stabilisation ponds, aquatic weed ponds, constructed wetlands and land treatment processes. Although they require relatively large land areas, the natural systems could achieve a high degree of waste stabilisation and at the same time, yield potentials for waste recycling through the production of algal protein, fish, crops, and plant biomass. Because of the complex interactions occurring in the natural systems, the existing design procedures are based mainly on empirical or field experience approaches. An integrated kinetic model encompassing the activities of both suspended and biofilm bacteria and some important engineering parameters has been developed which could predict the organic matter degradation in the natural systems satisfactorily.
 Keywords
Constructed wetland;Integrated kinetic models;Natural systems;Water pollution;Waste stabilization ponds;
 Language
English
 Cited by
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