Blar i NTNU Open på forfatter "Trubetskaya, Anna"
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Charcoal as an Alternative Reductant in Ferroalloy Production: A Review
Surup, Gerrit Ralf; Trubetskaya, Anna; Tangstad, Merete (Peer reviewed; Journal article, 2020)This paper provides a fundamental and critical review of biomass application as renewable reductant in integrated ferroalloy reduction process. The basis for the review is based on the current process and product quality ... -
Hydrothermal carbonization of olive wastes to produce renewable, binder-free pellets for use as metallurgical reducing agents
Surup, Gerrit Ralf; Leahy, James J.; Timko, Michael T.; Trubetskaya, Anna (Journal article, 2020)Torrefaction or hydrothermal carbonization processes were compared for conversion of olive pulp into metallurgical reducing agent. The dependence of yield, CO2 reactivity, and mechanical properties to reaction time and ... -
Improving value chain data lifecycle management utilising design for Lean Six Sigma methods
Trubetskaya, Anna; McDermott, Olivia; Durand, Pierre; Powell, Daryl John (Peer reviewed; Journal article, 2024)Purpose This project aims to optimise a secondary agricultural company’s reporting and data lifecycle by providing self-help business intelligence at an optimal price point for all business users. Design/methodology/ ... -
Life cycle assessment of renewable reductants in the ferromanganese alloy production: A review
Surup, Gerrit Ralf; Trubetskaya, Anna; Tangstad, Merete (Peer reviewed; Journal article, 2021)This study examined the literature on life cycle assessment on the ferromanganese alloy production route. The environmental impacts of raw material acquisition through the production of carbon reductants to the production ... -
Life Cycle Assessment of Renewable Reductants in the Ferromanganese Alloy Production: A Review
Surup, Gerrit Ralf; Trubetskaya, Anna; Tangstad, Merete (Peer reviewed; Journal article, 2021)This study examined the literature on life cycle assessment on the ferromanganese alloy production route. The environmental impacts of raw material acquisition through the production of carbon reductants to the production ... -
Life Cycle Based Climate Emissions of Charcoal Conditioning Routes for the Use in the Ferro-Alloy Production
Surup, Gerrit Ralf; Kaffash, Hamideh; Ma, Yan; Trubetskaya, Anna; Pettersen, Johan Berg; Tangstad, Merete (Peer reviewed; Journal article, 2022)Renewable reductants are intended to significantly reduce CO2 emissions from ferro-alloy production, e.g., by up to 80% in 2050 in Norway. However, charcoals provide inferior properties compared to fossil fuel-based ... -
Supercritical extraction and microwave activation of wood wastes for enhanced syngas production and generation of fullerene-like soot particles
Trubetskaya, Anna; Hunt, Andrew J.; Budarin, Vitaliy L.; Attard, Thomas M.; Kling, Jens; Surup, Gerrit Ralf; Arshadi, Mehrdad; Umeki, Kentaro (Peer reviewed; Journal article, 2020)This work demonstrated that supercritical carbon dioxide extraction is effective as a pre-treatment technology to generate soot particles with the fullerene-like structure and increase syngas yield from extracted residues ...