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Water Hyacinth Project Turns Nuisance Plant into Potential Source of Biogas
Water hyacinth is considered the most productive plant on earth as it yields more than 200 tons of dry matter per hectare per year under normal conditions. On water containing high concentrations of sewage, it yields up to 657 tons of dry matter per hectare.

In Dianchi Lake in Kunming City, the provincial capital of China’s Yunnan Province, water hyacinth is considered a nuisance plant thanks to the lake's polluted water and the growth of the aquatic plant is one of the lake’s biggest problems.

Currently, there are several popular methods for preventing the spread of, or eradicating the water hyacinth: biological, chemical and physical control. A new study could add prove that this nuisance plant may be useful for biogas productions.

The study wanted to find out whether biogas is a cost-effective method to control the noxious weed, help clean up water pollution, and generate a source of renewable energy.


 
 


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How Chemical-Laden Human Waste is Hurting Fish - More than 1,400 treatment plants in the U.S. and Canada spew 18 billion litres of treated wastewater and sewage into the Great Lakes every day — enough to fill the Rogers Centre to the top 11.25 times.


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