作者: Gerhard Goldmann
DOI:
关键词: Coffee grounds 、 Soil conditioner 、 Open air 、 Fermentation 、 Silicon dioxide 、 Residue (chemistry) 、 Mold 、 Biodegradable waste 、 Waste management 、 Engineering
摘要: The soil conditioner comprises a decomposed organic waste product, preferably coffee grounds, in the form of extraction residue arising industrial production powdered coffee, together with finely divided natural or synthetic activated silicon dioxide material containing same. is made by subjecting ground to fermentation closed tank and then adding followed storage upon access open air. may also be added prior placing tank.