palm oil residue industrial composting equipment increased production
Bauxite residue valorization — Soil conditioners production
Apr 1, 2022 · Bauxite residue (BR) is a by-product of Bayer process, which is applied for alumina production. Due to its inherent alkalinity and sodicity, the use of BR is globally limited to 2–3% of the 150
Palm kernel waste management through composting and crop
Nov 1, 2006 · Palm kernel wastes produced from small and medium-scale industries pose a serious environmental problem in Nigeria. A portion of these wastes is used ...