Untreated street sweepings and gully emptying residues are not regarded as acceptable wastes for composting or anaerobic digestion. They can contain non-biodegradable waste and contaminants which will not be treated by an aerobic or anaerobic process alone.
Answers & Comments
Answer:
non-biodegrable is the answer
Answer:
Untreated street sweepings and gully emptying residues are not regarded as acceptable wastes for composting or anaerobic digestion. They can contain non-biodegradable waste and contaminants which will not be treated by an aerobic or anaerobic process alone.
Not sure about this but I hope it helps.