Solid Waste in Hk

Topics: Waste, Waste management, Hazardous waste Pages: 2 (725 words) Published: May 7, 2013
Waste is a common environmental impact of developed societies. Especially when people can afford greater convenience and more purchases, they tend to throw away more rubbish. And Hong Kong is no exception to this. Similar to many developed places, our waste loads grow as its economy grow. Hong Kong generates different types of solid waste. To handle it well, we used to categorize and separate the type of waste. In waste water treatment, we simply separate the pollution as municipal waste (more polluted) and runoff(less polluted). But in solid waste, we define it as three types of waste that is more detail then water. They are Municipal Solid Waste (MSW), Construction Waste and Special Waste. We defined these wastes by their properties.

The figure shows that we have successfully reduce the total solid waste in recent year, but the MSW has been dominated among the total waste. Before the discussion of the policy or strategy which focuses on reducing MSW, we should first understand what MSW is. There are three types of MSW, named as Domestic waste (e.g. Households and public areas, residential buildings, litter bins, marine areas and country parks.), Commercial waste (e.g. Restaurants, hotels, offices and markets in private housing estates.) and Industrial waste( e.g. generated by all industries, but does not include construction and demolition waste, chemical waste) (HKG,2013) Due to some successful policy and regulation, Construction waste, which mainly comes from renovation, demolition, land excavation and road works, has been reduced among this 10year. Construction waste can be separated into Non-inert construction waste and inert construction waste. Some of the non-inert construction waste can be recycled like bamboo while some inert constructions waste like bitumen and concrete and used as some land formation. However, the construction waste are more likely to go landfill. The rest is Special waste like waster sludge, livestock waste and some chemical...
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