Peat water contains iron (Fe) which causes the water to turn brownish red. In this research, the iron uptake was carried out using an adsorbent based on ketapang seed shells. The adsorbent was made by carbonization at ...

The surface morphology of HEA Co-Cr-Al-Fe-Ni material and distribution of metal compositions in alloy were studied using Scanning Electron Microscopy-Energy Dispersive X-ray Spectroscopy (SEM-EDS) analysis. A total of ...

Maredan clay is one of the mineral resources in Siak Regency, Riau Province, containing silica and alumina which can be used as raw materials for making zeolites. Prior to use, the clay must be activated to remove ...

Biodiesel is one of an environmentally friendly alternative fuels. This study aimed to synthesize biodiesel from waste frying oil by the two step catalytic process, esterification of free fatty acids using sulfuric acid ...

Lempung Cengar terpilar telah disintesis dengan mencampur secara langsung suspensi lempung ke dalam larutan pemilar Keggin-Alumina (WK) dan mencampur suspensi lempung secara bertahap ke dalam larutan sodium asetat dan ...

Synthesis of Fe3O4/activated carbon has been successfully carried out on a laboratory scale. Activated carbon is made from palm fronds biomass by carbonization in a furnace at 600°C for 1 hour, chemically activated using ...

Durian peel activated charcoal was successfully synthesized using drum kiln carbonization with physical activation using 300 W microwave heating for 8 minutes (AAKD8), 10 minutes (AAKD10) and 12 minutes (AAKD12). This ...

Palm oil mill effluent (LCPKS) is the main waste from the palm oil industry which has the greatest potential for environmental pollution. Turbidity is one of the pollution parameters in LCPKS because it affects the penetration ...

Oil palm frond biomass (PS) has been widely used as an activated carbon source in various ways of synthesis and various characters. In this research studied the character of activated carbon synthesized from PS biomass ...