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Journal : Makara Journal of Science

Recovery of Gold with AgNO3 Pretreatment by Cyanidation at Heap Leaching Cijiwa Gold Ore Processing Kusdarini, Esthi; Budianto, Agus; Gingga, Flaminggo
Makara Journal of Science Vol. 22, No. 2
Publisher : UI Scholars Hub

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Abstract

This research was undertaken to study the effect of adding silver nitrate (AgNO3) during leaching of gold ore for Aurecovery. Its focus is to obtain the weight of Au in feed and concentrate, the effect of AgNO3 on Au recovery, theconcentration of AgNO3 that led to optimum recovery, and the weight of bullion and Au content in bullion. This research was conducted using quantitative descriptive method with experimental technique and the research stepsinclude the following: 1) rock and treatment plant preparation, 2) tests with variable AgNO3 concentrations, 3) analysis feed and concentrate samples using atomic absorption spectroscopy (AAS), 4) measurement of concentrate density, 5) burning of activated carbon to get the bullion, and 6) weighing bullion and Au content. There was increase Au recovery from 12.57% to 36.15%. On addition of 0 to 4 gram of AgNO3, whereby highest recovery was obtained on the additionof 4 g of AgNO3 concentration to 150 kg of feed.
Co-Authors A. Alif Mardianto A.H. Rasihan Anwar ABD. MALIK Abd. Rasyid Syamsuri Abubakar Tuhuloula Abubakar Tuhuloula Abubakar Tuhuloula Achmad Maulidan Syahrie Achmad Roesyadi Afrianti, Risa Agung Prijo Budijono Aista Pudji Witari Akbar, Iman Ariska Asti Ningrum Aulia, Firman Axo Syamboga Ayuni Rita Sari Bagus Dwi Susanto Budihardjo A.h. D. Cahyo, Septian Danawati Hari Prajitno Daniatus Syahr Hajj Denis Rocky Pradana Desyana Ghafarunnisa Dian Yanuarita P Dian Yanuarita Purwaningsih Dinda Aprilia RP Donny Yuslan Cortheo Eka Nurdiana Eka Nurdiana Eky Novianarenti Endang Abubakar Enggar Priambodo Erlinda Ningsih Erlinda Ningsih Erlinda Ningsih Erlinda Ningsih Ningsih Erlinda Ningsih, Erlinda Esthi Kusdarini Firdausi, Rizal Zubad Firman Aulia Fitrianingtyas Fitrianingtyas Fitrianingtyas, Fitrianingtyas Flaminggo Gingga Gingga, Flaminggo Hajj, Daniatus Syahr Hendra Yuda Ilhamsyah, Iwan Iman Akbar Iwan Ilhamsyah Julaika, Sofiyya Kartika Udyani Khomariyah, Nurul Kusdarini, Esthi Kusno Budhikarjono Lakon Utamakno Mangkurat, Wisnu Mardianto, A. Alif Mohammad Wafi Wafi Muhammad Wafi Musarofa, Musarofa Nashih Zuhair Dwi Santoso Ningrum, Ariska Asti Novi Andriani Novi Andriani, Novi NUR HAMIDAH Nurull Fanani Pratama Sandi Alala Putri Rizka Sania Rahmatullah, Azwar Ratna Ediati Rizal Zubad Firdausi Romiarto Romiarto Romiarto, Romiarto RP, Dinda Aprilia Sapto Heru Yuwanto Shofiyya Julaika Siti Afifa Suhartini - Sumari Sumari Suparjo Suparjo tri wahono Utamakno, Lakon W. Putrisya, Santi Wahyu S. Pambudi Wahyu Setyo Pambudi Wisnu Mangkurat Yohana Winda Monica Yudho Dwi Galih Cahyono Yulianto, Andik Yustia Wulandari M Yustia Wulandari Mirzayanti Zuchrilah, Daril Ridho