Lignin obtained by acidification of an alkaline extract of wood Anaerobic digestion (AD): is a biological process similar in many ways to composting. It is a natural treatment process and, as in composting, bacteria break down organic matter and reduce its bulk or ‘mass’.

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Langage AD - Drying reject from AD plant - Runi SK370
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The company behind a biomass energy facility near Hull, England has gone into administration, though a successful sale of its land and equipment has safeguarded jobs and maximised returns for creditors
The plant will convert agro-industrial waste into high-quality biomethane. The facility will recover residues from the AZPO – Azeites de Portugal olive oil plant
The upturn is being driven in part by growing access to Bio-LNG, a renewable form of biogas that enables up to 100% CO₂ reductions compared to conventional diesel
