A global problem which has not been yet resolved is the volume of waste as a side effect of various activities whose numbers continue to increase. At present waste management becomes a challenge which is being faced by ...

Developing oil palm agroindustry in South Kalimantan involves internal and external factors for its sustainability. The long distance of each stakeholder requires a digitally connected system. The research aimed at ...

80% of processes in industries in developing countries generally use catalysts, both homogeneous and heterogeneous, derived from biomass. The research aimed to synthesize silica-based heterogeneous catalysts from waste of ...