Open Access

REVIEW

Development of CaO From Natural Calcite as a Heterogeneous Base Catalyst in the Formation of Biodiesel: Review

Nuni Widiarti¹, Yatim Lailun Ni’mah¹, Hasliza Bahruji², Didik Prasetyoko^1,*

1 Department of Chemistry, Faculty of Sciences, Institute Technology Sepuluh Nopember Surabaya 60111, Indonesia Jl. Arief Rahman Hakim, Sukolilo, Surabaya 60111, Indonesia.
2 Center of Advanced Materials and Energy Science, Universiti Brunei Darussalam, Negara Brunei Darussalam.

*Corresponding Author: Didik Prasetyoko. Email: .