Recovery hidrogen dari campuran gas hidrogen-methana menggunakan bioadsorben karbon aktif dari cangkang kelapa sawit = Hydrogen recovery from hydrogen-methane gas mixture utilized by palm shell based bioadsorbent activated carbon

Bioadsorben karbon aktif berbahan dasar bambu betung dalam recovery hidrogen dari campuran gas hidrogen-metana = Betung bamboo based activated carbon bioadsorbent for the separation of hydrogen-methane gas mixture

Recovery hidrogen dari campuran CH4-H2 dengan menggunakan karbon aktif berbasis tempurung kelapa = Hydrogen recovery from CH4-H2 mixture by utilizing coconut shell based activated carbon

Produksi karbon aktif dari limbah kulit kopi menggunakan aktivasi kimia kalium karbonat = Production of activated carbon from coffee shell waste using chemical activation potassium carbonate

Optimization of the extraction of phenolic compounds from spent coffee grounds using betaine-based deep eutectic solvents = Optimasi proses ekstraksi senyawa fenolik dari ampas kopi menggunakan deep eutectic solvents berbasis betain