Upgrading biomass waste to bio-coking coal by pressurized torrefaction: Synergistic effect between corncob and lignin

K Zheng, H Han, S Hu, Q Ren, S Su, Y Wang, L Jiang… - Energy, 2023 - Elsevier
Gas-pressurized torrefaction is efficient for upgrading biomass to substitute metallurgical
coke. Herein, the effects of pressure and temperature on corncob torrefied products as well …

A study on bio-coke production—the influence of bio-components addition on coke-making blend properties

M Rejdak, M Wojtaszek-Kalaitzidi, G Gałko, B Mertas… - Energies, 2022 - mdpi.com
Due to global warming, technologies reducing CO2 emissions in the metallurgical industry
are being sought. One possibility is to use bio-coke as a substitute for classic coke made of …

Recycling of powder coke to cost effective adsorbent material and its application for tertiary treatment of coking wastewater

C Zhang, J Li, F Cheng - Journal of Cleaner Production, 2020 - Elsevier
Rapid removal of recalcitrant organic contaminants from coking wastewater remains a
challenge. Powder coke is a burden to coke plant and environment, has the potential as a …

Effects of Briquetting and High Pyrolysis Temperature on Hydrolysis Lignin Char Properties and Reactivity in CO-CO2-N2 Conditions

A Koskela, A Heikkilä, D Bergna, J Salminen… - Minerals, 2021 - mdpi.com
Carbonaceous reductants for pyrometallurgical applications are usually obtained from fossil-
based sources. The most important properties of the reductants greatly depend on the …

[HTML][HTML] Interaction between coal and lignin briquettes in co-carbonization

A Koskela, H Suopajärvi, T Fabritius - Fuel, 2022 - Elsevier
The utilization of bio-based side streams in metallurgical coke making promotes two major
factors in the mitigation of climate impact in the steel industry. Circular economy as the waste …

A crucial step toward carbon neutrality in pyrometallurgical reduction of nickel slag

D Attah-Kyei, D Sukhomlinov, M Tiljander… - Journal of Sustainable …, 2023 - Springer
This study aims at recovering valuable metals from nickel slag by employing
pyrometallurgical techniques. A large amount of slag is generated during the nickel matte …

[HTML][HTML] A Study on Bio-Coke Production—The Influence of Biochar Addition to the Coking Blend on Bio-Coke Quality Parameters

M Rejdak, M Książek, M Wojtaszek-Kalaitzidi, A Rodź… - Energies, 2024 - mdpi.com
Carbon dioxide is emitted in several industrial processes and contributes to global warming.
One of the industries that is considered a significant emitter is metallurgy. Therefore, it is …

The Reduction Reaction Behavior of Steelmaking Dusts with Lignin under Different Atmospheres

DMWW Don, T Fabritius, M Omran - Materials, 2024 - mdpi.com
This study investigated lignin as a reducing agent instead of fossil carbon for the reduction of
zinc oxide and zinc ferrite contained in steelmaking dusts. Three types of dusts from different …

Improvement of coke strength by HDPE addition

A Koskela, H Suopajärvi, S Gornostayev… - … Journal of Coal …, 2023 - Taylor & Francis
Plastic waste of different origin has been proposed and used as an additive in coal blends in
metallurgical coke production for trace amounts for about two decades. Previous studies …

[PDF][PDF] Teräksenvalmistuspölyjen pelkistysreaktio ligniinin kanssa eri ilmakehässä

D Wawita Widanalage Don - 2024 - oulurepo.oulu.fi
Steel plays a vital role in the modern world, particularly in manufacturing. The researchers
assume that if the metal extraction is sustainable, it will be sufficient to fulfill the requirements …