Renewable natural gas industry
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Adhering to strict
environmental regulations
Renewable Natural Gas Processors (RNGPs) face several challenges regarding the land application of digestate. They must adhere to strict environmental regulations to ensure compliance and prevent adverse impacts on soil and water quality. Odor control measures are necessary to address unpleasant smells that may affect nearby communities. Pathogen reduction is crucial for safety and public health. The logistics of transporting and applying digestate are complex and costly due to its high liquid content. Nutrient runoff risks contaminating water bodies, necessitating strategies to minimize runoff and protect water quality. Additionally, land application can lead to N2O emissions, requiring measures to mitigate this potent greenhouse gas and minimize environmental impact.
Our impact
Pelleton Renewables provides help to RNGPs by converting their difficult to handle, high moisture digestate into a lightweight FertiPel™ fertilizer pellet that is easy to handle, reducing both volume and weight.
- Organic alternative to chemical fertilizer
- Limited NPK runoff proven by various tests
- Further reduces carbon footprint and N2O emissions from raw digestate by capturing ammonia in the process.
- Volume and mass reduction by up to 80%
- Savings in transportation and disposal costs up to 100 USD/tonne
- Creating additional income stream through pelletization
Customer reference: Queensland urban utilities (QUU)
Pelleton Renewable’s first full scale plant at the Luggage Point Resource Recovery Center, conducted with Urban Utilities from 2019 to 2021, showcased our innovative technology for pelletizing and drying anaerobically digested wastewater solids. The project aimed to cut costs and enhance the sustainability of biosolid management by transforming them into valuable resources to be used as either fertilizer or as a fuel source.
After necessary initial adjustments through R&D, the project provided key insights into maintaining processing rates and integrating our technology with existing operations. The outcomes confirmed our ability to consistently produce safe and effective pellets, substantially reducing the carbon footprint of biosolid disposal. This project not only demonstrated Pelleton’s commitment to sustainable waste management but also indicated significant potential for future applications in the wastewater industry, offering crucial data to improve our technology for future deployments.
