The effect of concentration and temperature on nickel extraction from laterite nickel ore using atmospheric pressure acid leaching method

Deborah Bianca Elisabeth Lasut, Riskaviana Kurniawati, Wiwik Dahani, Subandrio Subandrio

AIP Conference Proceedings, 2023

The study of acid leaching and electrodeposition method to enhance Pb recovery from galena concentrate

Wiwik Dahani, Rita Sundari, Subandrio Somali, Irfan Marwanza, Ebram Fatkhulian Ayungray

World, 2023

Preparation and Characterization of Natural Zeolite Minerals to Reduce Free Fatty Acid Levels in Used Cooking Oil

Fadliah Fadliah, Riskaviana Kurniawati, Reno Pratiwi, Aqlyna Fattahanisa, Wiwik Dahani, Syamidi Patian, Emmy Fatmi Budhya

Journal of Earth Energy Science, Engineering, and Technology, 2022

The Undercurrent Indonesia’s City Gas Sector with the Moderating Work Forces

Andry Prima, Havidh Pramadika, Mustamina Maulani, Arinda Ristawati, Wiwik Dahani, Prana Ugiana Gio

PETRO: Jurnal Ilmiah Teknik Perminyakan, 2022

COMPARATIVE STUDY USING LOW COST ACETIC AND SULFURIC ACIDS ON ROASTING AND PEROXIDE FOR LEACHING PROCESS TO EXTRACT PB FROM GALENA

and Ivetta W. Dahani , R. Sundari , S. Subandrio , I. Marwanza

International Journal of Innovation in Mechanical Engineering & Advanced Materials, 2022

Pelatihan Pembuatan Eco-Enzyme Sebagai Alternatif Hand Sanitizer pada Masa Pandemi Covid-19 Bagi Masyarakat Desa Mekarsari

Riskaviana Kurniawati, Wiwik Dahani, Edy Jamal Tuheteru, Mustamina Maulani, Fadliah Fadliah, Faldo Matulessy

Abdimas Universal, 2022