To be fair I omitted some key information.
The 'dirty raw ingredient' mixed in room-temperature purified water wasn't sterilisable. The same process but mixed in 60°C purified water was sterilisable.
It actually took me a minute to decide whether or not to upvote the AI-content post. But it was informative, you were forthcoming on the origin, and the GP has yet to elaborate. Thank you for posting that.