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Population growth in Mukok District, Sanggau Regency, and West Kalimantan Province has resulted in the expansion of residential areas that are difficult to access by local government waste disposal facilities. The enormo...

This research aims to develop polyurethane foam using recycled PET (Polyethylene Terephthalate) and HDPE (High-Density Polyethylene) plastic bottles as substitutes for polyol. Waste PET bottles were recycled through a gl...

Household-scale laundry wastewater contains phosphate, which poses significant environmental risks. This study aims to analyze the effectiveness of the adsorption process using activated carbon and activated zeolite in r...

Waste thin plastic wrap in the form of crackle plastic, aluminium coated plastic, other thin plastics, have not yet been widely utilized. Limited un-organic rubish collector willing to receive it. The price is also relat...

The depletion of non-renewable fossil energy reserves is the main reason for this research to develop renewable energy as a substitute for diesel fuel. One of the alternatives studied is the production of biodiesel from ...