Trepo - Selaus tekijän mukaan "Ismailov, Arnold"
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Accelerated Carbonation of High-Calcite Wollastonite Tailings
Ismailov, Arnold; Merilaita, Niina; Levänen, Erkki (04 / 2024)
articleWollastonite (CaSiO3) is the most researched and well-defined mineral in the field of CO2 mineralization, but it is also a sought-after process mineral and thus, not easily justified for large scale ex situ carbon ... -
Combined leaching and steam explosion pretreatment of lignocellulosic biomass for high quality feedstock for thermochemical applications
Singhal, Abhishek; Roslander, Christian; Goel, Avishek; Ismailov, Arnold; Erdei, Borbala; Wallberg, Ola; Konttinen, Jukka; Joronen, Tero (06 / 2024)
articleA novel pretreatment approach was developed in the present study to simultaneously reduce the content of inorganic troubling elements (TEs) and improve biomass energy density, i.e., combined leaching and steam explosion ... -
Corrosion mechanisms of Al-alloyed hot-dipped zinc coatings in wet supercritical carbon dioxide
Saarimaa, Ville; Kaleva, Aaretti; Ismailov, Arnold; Virtanen, Markus; Levänen, Erkki; Väisänen, Pasi (07 / 2024)
article<p>Commercial hot-dip galvanized zinc (Zn-0.2% Al), galfan (Zn-5% Al), and galvalume (Zn-55% Al) coatings were exposed to wet scCO<sub>2</sub>, followed by an assessment of microstructural changes in the ... -
Corrosion product formation on zinc-coated steel in wet supercritical carbon dioxide
Saarimaa, Ville; Kaleva, Aaretti; Ismailov, Arnold; Laihinen, Tero; Virtanen, Markus; Levänen, Erkki; Väisänen, Pasi (03 / 2021)
article<p>In a wet supercritical carbon dioxide atmosphere, carbon dioxide is dissolved into water and causes corrosion of zinc-coated steel. The first corrosion products appeared in singular nano-scale initiation sites, ... -
Evaluation of low-cost oxygen carriers for biomass chemical looping gasification
Goel, Avishek; Ismailov, Arnold; Moghaddam, Elyas M.; He, Chao; Konttinen, Jukka (01.08.2023)
articleBiomass Chemical Looping Gasification (BCLG) is a cost-effective and efficient alternative to conventional gasification. The selection of appropriate oxygen carriers (OCs) is crucial for stable BCLG performance. These OCs ... -
Improved mechanical quality of ceramic vat photopolymerization prints by supercritical carbon dioxide extraction
Nurmi, Nonna; Frankberg, Erkka J.; Ismailov, Arnold; Hautcoeur, Dominique; Zakeri, Setareh; Sarlin, Essi; Levänen, Erkki (15.02.2025)
articleVat photopolymerization (VPP) enables 3D printing of dense ceramics with complex structures, however the mandatory thermal pre-conditioning and debinding steps to remove the organic substances, can last 7 days. Supercritical ... -
Influence of additives, temperature, and pressure on the morphology of nesquehonite: results from three synthesis routes
Back, Jens; Ismailov, Arnold; Sreenivasan, Harisankar; Smått, Jan Henrik; Santos, Hellen Silva; Nguyen, Hoang; Levänen, Erkki; Zevenhoven, Ron; Kinnunen, Paivo (07.01.2025)
article<p>Carbon mineralization is expected to play a key role in the mitigation of climate change, as viable and efficient carbon capture and utilization (CCU) pathway. Indeed, the process has the advantage of enabling the ... -
Mining tailings as raw materials for reaction-sintered aluminosilicate ceramics: Effect of mineralogical composition on microstructure and properties
Karhu, Marjaana; Lagerbom, Juha; Solismaa, Soili; Honkanen, Mari; Ismailov, Arnold; Räisänen, Marja Liisa; Huttunen-Saarivirta, Elina; Levänen, Erkki; Kivikytö-Reponen, Päivi (03 / 2018)
article<p>This paper presents studies on the utilization of aluminosilicate-based mining tailings as raw materials for mullite-based ceramics. Based on the 3:2 stoichiometric composition, mullite was synthesised by reactive ... -
Problematics of friction in a high-speed rubber-wheel wear test system: A case study of irregularly rough steel in water lubricated contact
Ismailov, Arnold; Järveläinen, Matti; Levänen, Erkki (15.08.2018)
articleA custom-made slurry-type high-speed rubber wheel wear testing system was modified for measuring friction. Friction behaviour of irregularly rough steel against CSM-rubber in water-lubricated contact at a velocity range ... -
Stereolithography as a manufacturing method for a hierarchically porous ZSM-5 zeolite structure with adsorption capabilities
Merilaita, Niina; Vastamäki, Teemu; Ismailov, Arnold; Levänen, Erkki; Järveläinen, Matti (24.12.2020)
article<p>Hierarchically porous structures are important in adsorption applications and can be used in gas treatment. Hierarchy in adsorbents offers flow channels on different scales, resulting in fast gas flow into a ... -
Thermal stability of one-part metakaolin geopolymer composites containing high volume of spodumene tailings and glass wool
Lemougna, Patrick N.; Adediran, Adeolu; Yliniemi, Juho; Ismailov, Arnold; Levanen, Erkki; Tanskanen, Pekka; Kinnunen, Paivo; Roning, Juha; Illikainen, Mirja (01.11.2020)
article<p>This paper deals with the synthesis and thermal stability of one-part metakaolin geopolymer composites containing high volume of spodumene tailings (Quartz Feldspar Sand; QFS) and glass wool (GW). One of the ... -
Upcycling glass wool and spodumene tailings in building ceramics from kaolinitic and illitic clay
Lemougna, Patrick N.; Ismailov, Arnold; Levänen, Erkki; Tanskanen, Pekka; Yliniemi, Juho; Kilpimaa, Katja; Illikainen, Mirja (13.11.2023)
articleWith concerns related to the high cost and environmental footprint of energy, reducing the sintering temperature in the ceramic industry remains a key challenge. This study investigates the effect of glass wool waste on ... -
Upcycling spodumene tailings in the preparation of high alumina porcelain composition sintered at 1200–1400 ˚C
Lemougna, Patrick N.; Abie, Nahal; Ismailov, Arnold; Levänen, Erkki; Tanskanen, Pekka; Kilpimaa, Katja; Illikainen, Mirja; Perumal, Priyadharshini (29.10.2024)
articleConcentration of spodumene from lithium pegmatite ore generates large amounts of tailings that need to be recycled for sustainability and circular economy concerns. This study investigated the preparation of high-alumina ... -
Utilizing mixed-mineralogy ferroan magnesite tailings as the source of magnesium oxide in magnesium potassium phosphate cement
Ismailov, Arnold; Merilaita, Niina; Solismaa, Soili; Karhu, Marjaana; Levänen, Erkki (20.01.2019)
article<p>A mixed-mineralogy talc mine tailing (MT) fraction consisting of 80% ferroan magnesite (MgCO<sub>3</sub>) was studied for utilization as the source of magnesium oxide (MgO) in magnesium potassium ...