Sugar as product in our every day’s life’s been consumed in enormous quantities as one of main resources in food and drink industry. Production processes of sugar from sugar beet bring significant environmental impacts with it’s waste waters as the biggest pollutant. The thesis deals with sugar production waste water’s treatment process by presenting an example of waste water treatment plant of sugar factory, therefor presenting the production processes in sugar factories and their environmental impacts to point waste water sources. For an comprehensive approach it is presented also the environmental legislation as legal base for treatment planning and examination of waste water with high organics treatment technologies, especially the anaerobic treatment and available anaerobic reactor technologies and their applications at sugar industry sector.
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