Can sewage treatment plant sludge be a CBG feedstock?
derived
STP sludge is digestible but comparatively low-yielding per tonne, and it carries pathogen and heavy-metal considerations that affect what you can legally do with the digestate. It is more often a co-substrate or a municipal solution than a standalone CBG base.
- derived
- Reasoned from sourced facts or engineering fundamentals, not quoted from one.
- Level
- Practitioner — Operating numbers, ranges and failure modes.
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