The depleting primary energy sources and increasing greenhouse gas emissions have driven initiatives to develop clean technologies for chemical transformations from renewable feedstocks. Currently, extensive studies are ...

Nowadays, Riau Province located in Indonesia which is producing approximately fifty percent of Indonesia crude oil production and ten million metric tonnes (MT) of Crude Palm Oil (CPO) from two million hectares of palm ...

Operational problem of CaCO3 scale has been experienced for many oil-wells in Zamrud field. Some CaCO3 scales encountered in tubing and other in artificial lift. This problem increased operating cost of work over job to ...

Cellulase enzyme is widely used in bioethanol industry. In bioethanol production, cellulase is used to hydrolyze lignocellulosic materials into glucose, where glucose is further converted into bioethanol through fermentation ...

Solid waste of palm oil has increased along palm oil industry development in Indonesia. Solid waste palm oil mill is organic pollutants. One of it is fiber waste, if it not managed properly will pollute the environment. ...

Copper oxide thin film coatings have been successfully coated on reflective aluminium substrates via facile sol–gel dip-coating route for spectrally selective absorber (SSA) application. For quantitatively analysis, the ...

Patchouli distillation using process direct steam contact has been done by patchouli community in Indonesia has not been enough to produce the maximum rendement and quality. Rendement with conventional refining raw ...

Anticipating the fluctuation of fuel oil cost, the management of tea plantation and drying plant has considered to substitute its oil consumption with producer gas (gaseous fuel obtained from gasification process). A tea ...

The aim of this research is to synthesis the Precipitated Calcium Carbonate (PCC) from Anadara granosa cockle-sheell via carbonation method. The tested variables were the calcination temperatures (700oC, 800oC, and 900oC) ...

This study shows the application of hollow fiber membrane contactor (HFMC) for ammonia removal from its solution using super hydrofobic polypropilene membrane. In this study, the waste water solution was flow in shell ...