Article Per Year (5 Year)
p-Index From 2020 - 2025
0.408
P-Index
This Author published in this journals
All Journal Journal of Metallurgical Engineering and Processing Technology
Rickiadi, M. Fajar
Unknown Affiliation
Chemical Engineering, Chemistry & Bioengineering Energy Engineering Materials Science & Nanotechnology Mechanical Engineering

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

 1 
AAS and XRD Analysis of Gold Ore Bioflotation Results with Aloe Vera as an Environmentally Friendly Reagent Mantika, Sabrina; Prillasasti, Farra Diva; Nugrah Aurigha, Evan; Amelia, Rike; Rickiadi, M. Fajar; Wahyuningsih, Tri
Journal of Metallurgical Engineering and Processing Technology Vol 4, No 2 (February 2024)
Publisher : Universitas Pembangunan Nasional "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jmept.v4i2.11394

Abstract

Flotation is a mineral concentration method that involves floating the minerals so that they can be separated from the gangue by the addition of reagents. The reagents used are chemicals such as frother and collector, which can potentially contaminate the environment. This research explores the potential use of aloe vera as a separating reagent in environmentally friendly gold ore flotation. The feed used consists of 300 grams of gold ore, and the flotation time is set at 15 minutes. XRD analysis is employed to determine the types of minerals contained in the sample, revealing that the sample consists of 97.64% quartz; Enstatite, syn 1.21%; and Clinochlore-1A 1.16%. Atomic Absorption Spectrophotometry (AAS) is the technique used to determine the metal concentration in a sample. AAS analysis indicates an Au concentration in the feed of 3.94 ppm. The Au concentration in the concentrate with the addition of aloe vera extract is 10.57, and in the tailings, it is 0.92, higher than the concentration in the concentrate without the addition of aloe vera extract, which is 10.11, with 1.89 in the tailings. The %recovery from these concentrations with the addition of aloe vera extract is 84.06%, while without the addition of aloe vera extract, it is 63.78%. This study provides evidence that the use of aloe vera in the gold ore flotation process can be a sustainable and environmentally friendly alternative in the effort to improve the separation of valuable minerals from impurities.
The Effect of Aloe Vera Bioreagent as a Frother and Collector in the Gold Ore Flotation Process on Increasing Grade and Recovery Asna, Aufa; Songli, Azalia; Nabilah, Rizka; Ikhsan, Syahwanul; Rickiadi, M. Fajar; Wahyuningsih, Tri
Journal of Metallurgical Engineering and Processing Technology Vol 4, No 2 (February 2024)
Publisher : Universitas Pembangunan Nasional "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jmept.v4i2.11395

Abstract

One of the concentration processes in processing sulfide gold ore is the flotation technique which takes advantage of differences in mineral surface properties by adding chemical reagents. The addition of chemical reagents to the flotation process can cause environmental problems. Therefore, efforts are needed to replace chemical reagents with more environmentally friendly materials. In this research, an attempt was made to replace chemical reagents with a commonly found plant extract, namely aloe vera, as a bioreagent. Bioflotation experiments on a laboratory scale were carried out using a Denver flotation cell with an aloe vera reagent as a frother. This gold mineral bioflotation experiment was carried out on a 150 mesh size fraction. The results of increasing concentrate levels by flotation indicate that the aloe vera reagent as a frother is able to produce biosurfactants which replace chemical reagents as a more environmentally friendly biofrother and biocollector. This can be concluded based on flotation experiment data with bioreagent which has been tested showing an Au content value of 10.09 and a recovery of 96.15%, while flotation using chemical reagents shows an Au content value of 10.50 and a recovery of 95.96%. So the use of aloe vera as an environmentally friendly bioreagent in the flotation process releasing low sulfidation gold is more effective than the use of chemical reagents because it is indicated that there is a biosurfactant content in aloe vera.
Co-Authors Amelia, Rike Asna, Aufa Ikhsan, Syahwanul Mantika, Sabrina Nabilah, Rizka Nugrah Aurigha, Evan Prillasasti, Farra Diva Songli, Azalia Tri Wahyuningsih