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Title Technical Development of Advanced Wastewater Treatmen..
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National Digital Science Library
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Attached File 16Data-110_Technical_Development_of_Advanced_Wastewater_Treatment_of_an_Algae_Cultivation_Type_.pdf Date
2017-04-14
Contents
Technical Development of Advanced Wastewater Treatment of an Algae Cultivation Type for Livestock Wastewater and Biodiesel Production


1. Summary


Purpose of and Need for Research


* Livestock wastewater has a huge effect on water pollution due to its high concentrations of organic matter, nitrogen and phosphorous.

* Recently, the bio-gasification facility is widely applied to livestock wastewater to recollect energy by converting highly-concentrated organic matters in livestock wastewater into methane gas using anaerobic digestion.

* Treatment of digestate from anaerobic digestion is an obstacle to increasing the number of bio-gasification facilities for livestock wastewater. In many cases, it is used for liquid fertilizer after stabilization, but there are a lot of problems due to the imbalance of supply and demand of such fertilizers. Also, excessive spraying of a liquid fertilizer on farmland functions as a nonpoint pollution source. As such, it is urgent to find a solution to these problems.

* Microalgae has the capabilities of advanced treatment of livestock wastewater and greenhouse reduction, as it consumes nitrogen and phosphorus during its growth.

* Therefore, treatment of digestate from livestock wastewater using microalgae can solve the problem with liquid fertilizer spray. At the same time, it can be possible to develop production technology for eco-friendly bioenergy that reduces greenhouse gas and produces biodiesel from livestock wastewater as a source of pollution.


For more information, see the attached file.
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