EFEKTIFITAS PENAMBAHAN MEDIA GEOTEKSTIL PADA SARINGAN PASIR LAMBAT TERHADAP PENYISIHAN PARAMETER KEKERUHAN, JUMLAH COLI DAN COD

por Yustika Kusumawardani, Widi Astuti
Publicado 2019

Effect of modified basicity in selective reduction process of limonitic nickel ore

por Fajar Nurjaman, Anton Sapto Handoko, Fathan Bahfie, Widi Astuti, Bambang Suharno
Publicado 2021

Correlation of Nano Titanium Dioxide Synthesis and the Mineralogical Characterization of Ilmenite Ore as Raw Material

por Yayat Iman Supriyatna, Widi Astuti, Slamet Sumardi, Sudibyo, Agus Prasetya, Lavita Indriyani Ginting, Yuyun Irmawati, Nining Sumawati Asri, Himawan Tri Bayu Murti Petrus
Publicado 2021