An introduction to the history of sewage treatment in Hong Kong
2014 marked the Hong Kong Drainage Services Department’s 25th anniversary. 1850 In the latter half of the 19th century Hong Kong adopted a ‘combined drainage and sewerage system’, using storm water to wash away sewage into water bodies. With a population of less than 100,000 at that time, domestic sewage did not cause substantial imp act to the ecology of […]
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