Question

river pollution control and remediation
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Answer 1

Answer:

As an important subsystem of urban environment, urban river offers many kinds of ecological services which benefit the city dwellers. However, with the acceleration of urbanization and rapid development of economy, urban river pollution problem are becoming more and more critical. This paper described the current situation of urban river pollution, summarized the researches on river pollution control and remediation. After compared and analyzed different techniques and clarified the concepts of bioremediation technology, based on the advances of river remediation, this paper concluded the approaches to alleviate the river pollution problem that the biological-ecological remediation should be utilized as the primary technique, and the physical and chemical remediation as the supplementary means.