Maximizing Biogas Production

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Maximizing Biogas Production

The global market for Renewable Natural Gas (RNG) – also called biogas – continues to grow, with some experts predicting a sharp increase in its size to more than US$ 130 billion by 2033. An increasingly important and environmentally responsible source of energy, biogas results from decomposition of organic matter in
anaerobic conditions. This organic matter comes from various sources, including farm animal waste products (e.g., manure).

As the market grows, so does the opportunity for superior water filtration and separation technology to positively impact the sustainability and economic vitality of biogas production systems. Water filtration and separation play critical roles in ensuring efficient operations, maintaining the quality of the biogas, and managing the byproducts effectively.

These key roles include:
• Substrate Pretreatment for Gas Quality Improvement and Reduced OpEx. Proper water filtration and separation are essential to remove solid impurities such as organic matter and non-digestible materials
like sand, stones, and plastics, before they enter the digester. Filtration also helps prevent clogging of pipes and equipment, which can disrupt the digestion process and increase maintenance costs.
• Digestate Management. Digestate is a nutrient-rich byproduct produced after anaerobic digestion. Separation of water from digestate helps manage its consistency and nutrient content. Separated water can be reused in the process or discharged, while the solid digestate can be used as a valuable organic fertilizer.
• Preventing Corrosion and Contamination. Water in biogas can lead to equipment corrosion and contamination issues. Effective separation prevents these problems, prolonging the life of the equipment and ensuring the quality of the biogas.
• Environmental Compliance. Water filtration and separation help confirm compliance with environmental standards by treating and managing water used in the biogas production process.

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