Catalytic hydrocracking of waste lubricant oil into liquid fuel fraction using ZnO, Nb2O5, activated natural zeolite (ZAAH) and their modification has been investigated.The zeolite was produced in Wonosari, Yogyakarta.Activation of the zeolite was carried out by refluxing with HCl 3M for 30 min, produced the activated natural zeolite (ZAAH).The ZnO
In recent years, changing environmental, developmental activity, government policies and laws, lifestyle changes and affordability dynamics have continued to threaten the self determination and food sovereignty of Indigenous peoples in the community.Their perspectives, teachings, and voices are rarely present in any scholarly work.Despite food secu
Exposure to mercury contaminated fish predisposes populations particularly children and pregnant women to various health hazards including neurotoxicity, reproductive abnormalities and cognitive disorders.Earlier studies in the Lake Albert community have demonstrated the presence of mercury in Nile tilapia and Nile perch.However, the risk estimates