Polymer electrolyte fuel cells (PEFCs) are attractive energy resources in transportation and
portable applications due to their low operational temperatures, excellent energy densities …

Membran asam perfluorosulfonat seperti Nafion, sebagian besar dipergunakan dalam
teknologi sel bahan bakar dan menunjukkan beberapa kelemahan seperti biaya tinggi …

A heat exchanger or commonly referred to as a heat exchanger is a tool that is commonly
used in the industrial world. The function of this tool is to cool down a fluid. There are various …

Penelitian ini dilatarbelakangi oleh kurangnya pemahaman pelajar pada materi Termokimia
yang bersifat kompleks dan abstrak, sehingga dilakukan penelitian ini sebagai bentuk …

This study fabricated a novel sulfonated poly-eugenol/titanium dioxide nanocomposite
membrane as an alternative polymer electrolite membrane (PEM) to direct methanol fuel …

One of the industries that need attention is the woven sarong industry. This industry
produces liquid waste resulting from the coloring process. Indiscriminate disposal of waste …

A novel polymer electrolyte membrane (PEM) has been developed by combining
polyeugenol sulfonate (PES), which is derived from clove oil, SPEEK, and TiO2 for direct …

Limbah cair tahu adalah cairan berwarna putih bertekstur kental yang merupakan hasil dari
produksi tahu yang tidak digunakan. Limbah cair tahu memiliki kandungan nitrogen, fosfor …

As a company laboratory in East Java produces waste at levels that do not meet the
standards permitted by government authorities. The main problem is the COD value, NH3-N …

Cooking oil is a basic need of sicety which has the main content oftriglycerides. Tryglicerides
function of fry food. The use of cooking oil continuously can reduce the quality of cooking oil …