PDF

The Behavior of Arsenopyrite in the Process of Roasting

V.A. Luganov

1983enarsenicmetallurgyprocessingroasting

Abstract

Language:

The behavior of arsenopyrite under heating has been extensively studied, revealing that it dissociates into elemental arsenic at temperatures above 650 °C in the absence of air. In a vacuum, this dissociation begins at 550 °C, producing elemental arsenic alongside a residue of pyrrhotite and throilite. The presence of pyrite accelerates the dissociation process, enabling it to occur at lower temperatures. This study explores the implications for industrial processing of arsenic-bearing raw materials, highlighting the necessity of using standard equipment and oxygen for efficient processing. Through thermodynamic analyses, the research confirms the potential for arsenic sulfide formation during the thermal processing of arsenopyrite when pyrite and limited oxygen are present. The findings underscore the significance of managing arsenic in metallurgical production, as the challenge lies in transforming arsenic from a toxic to a less harmful form, ideally as sulfur compounds, given the prevalence of arsenopyrite in arsenic-bearing ores. The paper discusses consecutive addition techniques for pyrite, demonstrating how this method can improve the efficiency of arsenic sublimation and yield a product with high sulfur pyrrhotite content.

Download

Cite This Work

@article{7829e479-ad30-4073-af98-eebc608c0658,
  title={The Behavior of Arsenopyrite in the Process of Roasting},
  author={V.A. Luganov},
  year={1983},
  language={en}
}
TY  - JOUR
TI  - The Behavior of Arsenopyrite in the Process of Roasting
AU  - V.A. Luganov
PY  - 1983
LA  - en
ER  -

Similar Items

Extractive Metallurgy 3 Processing Operations and Routes Alain Vignes ( WeLib.org )

Alain Vignes

This book provides a comprehensive overview of the various processing operations and routes in extractive metallurgy. The objective is to present a de

2026enPDF

Metallurgical Plant Design and Operating Strategies

David Pollard, Geoff Dunlop

The MetPlant 2008 conference focused on advancements in metallurgical processing of ores, emphasizing plant design, operation strategies, and innovati

2008enPDF

Fundamentals of Dimensional Analysis Theory and Alberto N. Conejo (auth.) ( WeLib.org )

2026enPDF

Chemical metallurgy principles and practice Chiranjib Kumar Gupta ( WeLib.org )

Chiranjib Kumar Gupta

This book provides a comprehensive overview of the field of chemical metallurgy, addressing both common and less common metals. The objective of the v

2026enPDF

Extractive Metallurgy 1 Basic Thermodynamics and Kinetics Alain Vignes(auth.) ( WeLib.org )

Alain Vignes

This book provides a comprehensive overview of the fundamental principles of extractive metallurgy, with a specific focus on basic thermodynamics and

2026enPDF

Extractive Metallurgy 2 Metallurgical Reaction Processes Alain Vignes ( WeLib.org )

Alain Vignes

Extractive metallurgy is a critical field that encompasses the processes involved in the extraction of valuable metals from their ores. This work serv

2026enPDF