Abstract In this study, the sulfation roasting characteristics of copper‐bearing ore and its flotation products as chalcopyrite concentrate and tailings were investigated in detail. For this aim, the roasting‐leaching experiments and thermal analyses were conducted on the samples. As a result of the leaching of sulfated products obtained from the roasting experiments, the maximum Cu extractions were achieved as 94.7%, 99.5% and 82.7%, for run of mine, chalcopyrite concentrate and the flotation tailings, at the roasting temperatures of 550, 650 and 525 °C, respectively. It was also found that the copper extractions began to decrease owing to decomposition of copper sulfates above these temperatures. It was indicated that the decomposition temperature of copper sulfates differ for each samples. On the other hand, thermal gravimetric and differential thermal analyses were subjected to identify the thermal behaviors of the samples. The results showed that the formation of metal sulfates occurred in a wide temperature range (394–650 °C) for chalcopyrite. On the contrary, copper sulfation reactions took place at narrow temperature ranges of 450–560 °C and 480–550 °C for the run of mine ore and the flotation tailing, respectively. © 2017 Curtin University of Technology and John Wiley &amp; Sons, Ltd.

M. Ozer

E. Acma

G. Atesok

Asia-Pacific Journal of Chemical Engineering

亚太化学工程杂志旨在捕捉化学工程相关和专业领域的当前发展和举措。该杂志每年出版六期，展示创新技术发展，为技术转让和合作提供机会。亚太化学工程杂志将特别关注以下关键领域：工艺应用（分离、聚合物、催化、纳米技术、电化学、核技术）；能源与环境技术（储能与转化材料、煤气化、气体液化、大气污染控制、水处理、废物利用与管理、核废料修复）；和生化工程（包括靶向给药应用）。

The Asia-Pacific Journal of Chemical Engineering aims to capture the latest developments and initiatives in the field of chemical engineering and related disciplines. The journal publishes six issues annually, showcasing advancements in innovative technologies and providing opportunities for technology transfer and collaboration. The Asia-Pacific Journal of Chemical Engineering particularly focuses on key areas such as process applications (including separation, polymers, catalysis, nanotechnology, electrochemistry, and nuclear technology); energy and environmental technologies (covering energy storage and conversion materials, gasification, gas liquefaction, air pollution control, water treatment, waste utilization and management, and nuclear waste remediation); and biochemical engineering (including targeted drug delivery applications).

《Asia-Pacific Journal of Chemical Engineering》旨在捕捉化学工程及相关专业领域的最新发展和动态。该杂志每年出版六期，展示创新技术的进展，并为技术转让与合作提供机会。《Asia-Pacific Journal of Chemical Engineering》特别关注以下关键领域：工艺应用（如分离、聚合物、催化、纳米技术、电化学、核技术）；能源与环境技术（包括储能与转化材料、煤气化、气体液化、大气污染控制、水处理、废物利用与管理、核废料修复）；以及生化工程（包括靶向给药应用）。

Category	Quartile
工程技术	4
工程技术, 工程化工	4

Sulfation roasting characteristics of copper‐bearing materials

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Category	Quartile
ENGINEERING, CHEMICAL	3