1. Waste composition: The composition of the waste being processed will have a significant impact on the design of the facility. Different types of waste may require different pre-treatment processes or feed handling equipment.
2. Feedstock storage: Adequate space for the collection and storage of feedstocks will need to be provided while taking into account potential odor issues.
3. Anaerobic digesters: This is the main processing equipment in the facility. The design and size of the digester depends on the capacity of the waste being processed.
4. Gas storage and handling: The facility will need to be designed to safely store and distribute the biogas produced. This involves providing storage tanks, pressure regulators and piping systems.
5. Odor and emissions control: The odor produced by the facility can be a nuisance to the surrounding community. Adequate odor control measures will be required, such as an enclosed facility and air treatment systems.
6. Maintenance and servicing: The proper maintenance and servicing of the equipment are critical to the efficient operation of the facility. Adequate maintenance access must be provided.
7. Power generation: The generated biogas can be used for power generation. The plant design must consider the capacity of the power generation system to be included.
8. Waste residue management: The residue from the waste-to-biogas process can be used as a nutrient-rich fertilizer. The facility design must include storage and disposal solutions.
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