Abstract

The processing of liquid and solid waste from the food industry using microalgae is considered on the example of St. Petersburg enterprises. Waste water from Baltika Brewing Campaign and food waste from public catering enterprises were used in the work, using the example of food waste from the canteens of Peter the Great St. Petersburg Polytechnic University. Тhe possibility of purifying wastewater from the brewing industry using microalgae was studied. The obtained biomass of microalgae after purification of waste water from the food industry is proposed to be used to accelerate the processes of anaerobic digestion of food waste generated in the canteens of the Peter the Great St. Petersburg Polytechnic University. It has been shown that the addition of microalgae biomass is capable of accelerating the decomposition of food waste and producing more biogas with a maximum methane content.

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