Results 211 to 220 of about 1,090 (261)

Cleaner process: Efficacy of chlorine in the recycling of gold from gold-containing tailings

Journal of Cleaner Production, 2021
Abstract To develop a cleaner production technology for the construction of secondary resources, this study researched the best chlorine source for the sustainable recovery of gold from gold-bearing tailings via chlorination heat treatment. A thermal analysis of different chlorine sources, NaCl, MgCl2, KCl and CaCl2, was performed via Factsage 7.2 ...
Haoyu Li   +4 more
openaire   +1 more source

Failure Management in a Gold Mill Tailings Treatment Process

2021
Despite various existing asset management methodologies, there are still many areas where they are yet to be implemented. This is mainly because they are not customized methodologies and their implementation, in many cases, generates several theoretical-practical gaps and inconsistencies, which hinder their application.
Mylena Vílchez-Torres   +3 more
openaire   +1 more source

Arsenic Speciation in a Contaminated Gold Processing Tailings Dam

Geostandards Newsletter, 2000
Gold recovery in ores containing arsenopyrite releases significant amounts of arsenic into the environment due to mineral processing and oxidation during storage. The extent of arsenic weathering in a tailings dam has been investigated. Speciation of As in surface and pore waters and pond sediments showed that for gold tailings in the dam, As ...
Olga V. Shuvaeva   +3 more
openaire   +1 more source

Mineral Processing Experiment of Quartz from Gold Ore Tailing

Advanced Materials Research, 2013
Based on the chemical analysis, preliminary classification of ore was done to reduce the content of iron mineral in quartz. The result of tests showed that the grade of quartz concentrate and the recovery are 97.05% and56.79% by adopting a circuit of magnetic- flotation processing.
Yi Miao Nie, Shu Xian Liu, Qi Hui Dai
openaire   +1 more source

Cyanide detoxification of gold cyanidation tails and process streams

Mineral Processing and Extractive Metallurgy, 2012
AbstractCyanide detoxification by chemical means (sulphite, hydrogen peroxide or Caro’s acid) has typically been adopted by the gold industry to meet the International Cyanide Management Institute (ICMI) code and/or regulatory compliance for discharge into tailings storage facilities (TSFs), treatment of TSF return water or the discharge of excess ...
D Hewitt, P Breuer, C Jeffery
openaire   +1 more source

EFFECTIVE PARAMETERS OF TAIL PROCESSING GOLD-BEARING ORE HYDROTRANSPORT FOR VERNINSKAYA PROCESSING FACTORY

Electronic Journal of Polish Agricultural Universities, 2020
The paper shows that in order to increase the efficiency of hydraulic transport systems in mining the transportation of slurries with a high concentration of solids in the slurry flow. Experimental studies have shown that slurry tailings of gold-containing ore with mass concentration of more than 55% are viscoplastic fluids. Experiments on a rotational
Victor Alexandrov   +2 more
openaire   +1 more source

Effective Parameters of Tail Processing of Gold-Bearing Ore Hydrotransport for Verninskaya Processing Factory

Key Engineering Materials, 2020
The article is devoted to the analysis of the composition and properties of the materials and liquids during transportation using pipeline and shows that in order to increase the efficiency of hydraulic transport systems in mining a transition to the transportation of slurries with a high concentration of solids in the slurry flow is necessary ...
Victor I. Alexandrov   +2 more
openaire   +1 more source

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