Send the following on WhatsApp
Continue to ChatPotassium struvite (slow release fertilizer) and activated carbon production: Resource recovery from vinasse and grape marc organic waste using thermal processing - https://avesis.comu.edu.tr/publication/details/5dd74166-e5bd-4cfa-aa9b-f6b15df551bc/potassium-struvite-slow-release-fertilizer-and-activated-carbon-production-resource-recovery-from-vinasse-and-grape-marc-organic-waste-using-thermal-processing