TECHNOLOGY FOCUS - BIOTECHNOLOGY - Preferred Method: The liquid comprises water, leachate, or their combinations. The biomass is maintained at pH of 3.5-8 during the anaerobic digestion. The microorganisms are mesophilic microorganisms. The microorganisms are thermophilic microorganisms. The biomass is maintained at 77-105 degrees F during the anaerobic digestion. The biomass is maintained at 120-135 degrees F during the anaerobic digestion. The organic materials in the slurry have an average particle size of not greater than 10 cm. The slurry comprises 40-100 wt.% of organic material relative to a weight of liquid in the slurry. The average time period for anaerobically digesting the organic materials is 1-14 days. The separated liquid components comprise nitrogen (0.1 wt.%). The method further involves receiving the liquid components into a liquid reservoir and maintaining the liquid components in the reservoir at not greater than 70 degrees F. The method is performed in a closed system. The method further involves filtering at least a portion of volatile organic compounds, hydrogen sulfide, or volatile fatty acids produced while anaerobically digesting the organic material. The volatile fatty acids comprise acetic acid, propionic acid, or butyric acid. Preferred System: The system further comprises a weighing device configured to weigh an amount of organic materials provided to the biology reservoir. The system further comprises a first water inlet configured to fluidly couple a water source to the biology reservoir. The system further comprises a water reservoir thermally coupled to the first heat exchanger and the biology reservoir, where the water inlet fluidly couples the water reservoir to the biology reservoir. The liquid reservoir is fluidly coupled to the biology reservoir and configured to return liquid components to the biology reservoir. The system further comprises a second heat exchanger thermally coupled to the liquid reservoir. The system further comprises an air purification system operably coupled to the interior portion of the housing. The system further comprises an automated process controller configured to execute instructions for processing organic material. The system further comprises a first flow control device operably coupled between the biology reservoir and the dewatering device, where the first flow control device is in communication with the automated process controller and configured through the automated process controller to adjust a flow of a digested biomass from the biology reservoir to the dewatering device. The first temperature sensor configured to measure a temperature of the biology reservoir and in communication with the automated process controller, and the first heat exchanger is in communication with the automated process controller and configured to maintain the temperature of the biology reservoir in a range of 77-105 degrees F. The first temperature sensor is configured to measure a temperature of the biology reservoir and in communication with the automated process controller, and the first heat exchanger is in communication with the automated process controller and configured to maintain the temperature of the biology reservoir in a range of 120-135 degrees F. The second temperature sensor is configured to measure a temperature of the liquid reservoir and in communication with the automated process controller, and the second heat exchanger is in communication with the automated process controller and configured to maintain the temperature of the liquid reservoir at not greater than 70 degrees F. The system further comprises a second flow control device operably coupled between the water source and the biology reservoir, where the second flow control device is in communication with the automated process controller and configured through the automated process controller to adjust a flow of water from the water source to the biology reservoir. The system further comprises a third flow control device operably coupled between the liquid reservoir and the biology reservoir, where the second flow control device is in communication with the automated process controller and configured through the automated process controller to adjust a flow of liquid components from the liquid reservoir to the biology reservoir. EXAMPLE - No suitable example given.