12 ms·
Also what chemicals are used, where do those come from, how sustainable are they, are there adverse environmental impacts in their production
by excalibur 5y ago
Also what chemicals are used, where do those come from, how sustainable are they, are there adverse environmental impacts in their production
- rfrey 5y agoI heard an interview on the CBC and they mentioned sodium hydroxide.
- napier 5y agoTo dissolve lignin? I haven’t read the paper yet but doubt it’s anything terrible or too exotic. Probably a recipe based around sodium hydroxide (NaOH).
- pstuart 5y agoIf this is the same bit that's hit this page just recently, the chemicals used were sodium hydroxide and sodium sulfite (to remove the lignin) and then food grade oil to seal it.
- jackcviers3 5y agoSo you can do this at home with a hydraulic press and a torch then? Would be kind of fun.
- ls15 5y agoPyridine and DMSO seem to be the best solvents for lignin. https://bioresources.cnr.ncsu.edu/resources/solubility-of-lignin-and-acetylated-lignin-in-organic-solvents/ https://bioresources.cnr.ncsu.edu/resources/solubility-of-li... DMSO is a by-product of cellulose production. https://en.wikipedia.org/wiki/Dimethyl_sulfoxide#Synthesis_and_production https://en.wikipedia.org/wiki/Dimethyl_sulfoxide#Synthesis_a...