No, but it’s ideal.
If I had enough brains to be a chem e I could tell you more.
We had a chem e intern who worked for me. After university he got a job scrubbing natural gas in Midland, TX.
He wanted to then go to med school but decided he would never make as much money as a doctor than as a chem e. Now he’s settled in Midland for good.
It’s beyond my mathematical ability, I was just saying what can be done.
For the last 50 years I have separated my paper, plastics, and metal as a recycling effort (made pocket change on the metals),amd will continue to do so as a marre=we of convenuenceI wonder what they do with my old dry cell batteries.