Search Results - "REINIK, Janek"

Hydrothermal alkaline treatment of oil shale ash for synthesis of tobermorites by Reinik, Janek, Heinmaa, Ivo, Mikkola, Jyri-Pekka, Kirso, Uuve

“…The hydrothermal alkaline activation of the oil shale fly ash was studied using SEM/EDX, XRD and 29Si and 27Al high-resolution MAS-NMR spectra. The silicon in…”
Get full text

Synthesis and characterization of calcium–alumino-silicate hydrates from oil shale ash – Towards industrial applications by Reinik, Janek, Heinmaa, Ivo, Mikkola, Jyri-Pekka, Kirso, Uuve

“…The influence of the alkaline medium on the hydrothermal activation of the oil shale fly ash with NaOH and KOH was studied using SEM/EDX, XRD, 29Si and 27Al…”
Get full text

Ecotoxicity assessment of ashes from calcium-rich fuel combustion: contrasting results and regulatory implications by Ummik, Mari-Liis, Järvik, Oliver, Reinik, Janek, Konist, Alar

“…The European Union’s (EU) regulation for the waste classification based on their ecotoxicological hazard (hazardous property HP14) came into force on 5 July…”
Get full text

Use of oil shale ash in road construction: results of follow-up environmental monitoring by Reinik, Janek, Irha, Natalya, Koroljova, Arina, Meriste, Tõnis

“…Oil shale ash (OSA) was used for road construction in a pristine swamp area in East-Estonia during 2013–2014. OSA was used as a binder both in mass…”
Get full text

Leaching of polycyclic aromatic hydrocarbons from oil shale processing waste deposit: A long-term field study by Jefimova, Jekaterina, Irha, Natalya, Reinik, Janek, Kirso, Uuve, Steinnes, Eiliv

“…The leaching behavior of selected polycyclic aromatic hydrocarbons (PAHs) from an oil shale processing waste deposit was monitored during 2005–2009. Samples…”
Get full text

Concentration of lanthanides in the Estonian environment: a screening study by Blinova, Irina, Lukjanova, Aljona, Reinik, Janek, Kahru, Anne

“…•Novel data on environmental concentrations of lanthanides (Ln) for Estonia are presented•Ln in riverine sediments, riverine macrophytes and silver birch…”
Get full text

Leaching of PAHs from agricultural soils treated with oil shale combustion ash: an experimental study by Jefimova, Jekaterina, Adamson, Jasper, Reinik, Janek, Irha, Natalya

“…The present study focuses on the fate of polycyclic aromatic hydrocarbons (PAHs) in soils amended with oil shale ash (OSA). Leachability studies to assess the…”
Get full text

Characterization of water extracts of oil shale retorting residues form gaseous and solid heat carrier processes by Reinik, Janek, Irha, Natalya, Steinnes, Eiliv, Piirisalu, Eero, Aruoja, Villem, Schultz, Eija, Leppänen, Matti

“…The present work focuses on the environmental effect of oil shale retorting residues originating from gaseous (GHC) and solid heat carrier (SHC) technologies…”
Get full text

Release of 22 elements from bottom and fly ash samples of oil shale fueled PF and CFB boilers by a two-cycle standard leaching test by Reinik, Janek, Irha, Natalya, Steinnes, Eiliv, Urb, Gary, Jefimova, Jekaterina, Piirisalu, Eero

“…Laboratory leaching tests of bottom and fly ash samples from an oil shale fueled pulverized firing (PF) and a circulated fluidized bed (CFB) boiler in 1:10…”
Get full text

The composition and properties of ash in the context of the modernisation of oil shale industry by Uibu, Mai, Tamm, Kadriann, Viires, Regiina, Reinik, Janek, Somelar, Peeter, Raado, Lembi, Hain, Tiina, Kuusik, Rein, Trikkel, Andres

“…The modernisation of the oil shale (OS) industry in Estonia over the last decade has also led to significant changes in the composition and binding properties…”
Get full text

PAHs in leachates from thermal power plant wastes and ash-based construction materials by Irha, Natalya, Reinik, Janek, Jefimova, Jekaterina, Koroljova, Arina, Raado, Lembi-Merike, Hain, Tiina, Uibu, Mai, Kuusik, Rein

“…The focus of the current study is to characterise the leaching behaviour of polycyclic aromatic hydrocarbons (PAHs) from oil shale ashes (OSAs) of pulverised…”
Get full text

Alkaline modified oil shale fly ash: Optimal synthesis conditions and preliminary tests on CO 2 adsorption by Reinik, Janek, Heinmaa, Ivo, Kirso, Uuve, Kallaste, Toivo, Ritamäki, Johannes, Boström, Dan, Pongrácz, Eva, Huuhtanen, Mika, Larsson, William, Keiski, Riitta, Kordás, Krisztián, Mikkola, Jyri-Pekka

“…► Alkaline hydrothermal treatment of oil shale fly ash is presented. ► Quartz in fly ash is converted mainly into tobermorites (75 wt%). ► Optimal conditions…”
Get full text

Changes in trace element contents in ashes of oil shale fueled PF and CFB boilers during operation by Reinik, Janek, Irha, Natalya, Steinnes, Eiliv, Urb, Gary, Jefimova, Jekaterina, Piirisalu, Eero, Loosaar, Jüri

“…Two oil shale combustion technologies, pulverized firing (PF) and circulated fluidized bed (CFB) were compared with respect to partitioning of selected…”
Get full text

Alkaline modified oil shale fly ash: Optimal synthesis conditions and preliminary tests on CO₂ adsorption by Reinik, Janek, Heinmaa, Ivo, Kirso, Uuve, Kallaste, Toivo, Ritamäki, Johannes, Boström, Dan, Pongrácz, Eva, Huuhtanen, Mika, Larsson, William, Keiski, Riitta, Kordás, Krisztián, Mikkola, Jyri-Pekka

“…Environmentally friendly product, calcium–silica–aluminum hydrate, was synthesized from oil shale fly ash, which is rendered so far partly as an industrial…”
Get full text

Alkaline modified oil shale fly ash: Optimal synthesis conditions and preliminary tests on C02 adsorption by REINIK, Janek, HEINMAA, Ivo, KORDAS, Krisztián, MIKKOLA, Jyri-Pekka, KIRSO, Uuve, KALLASTE, Toivo, RITAMÄKI, Johannes, BOSTRÖM, Dan, PONGRACZ, Eva, HUUHTANEN, Mika, LARSSON, William, KEISKI, Riitta

Get full text

Alkaline modified oil shale fly ash: Optimal synthesis conditions and preliminary tests on CO(2) adsorption by Reinik, Janek, Heinmaa, Ivo, Kirso, Uuve, Kallaste, Toivo, Ritamäki, Johannes, Boström, Dan, Pongrácz, Eva, Huuhtanen, Mika, Larsson, William, Keiski, Riitta, Kordás, Krisztián, Mikkola, Jyri-Pekka

“…Environmentally friendly product, calcium-silica-aluminum hydrate, was synthesized from oil shale fly ash, which is rendered so far partly as an industrial…”
Get full text

The role of laboratory and field leaching tests in hazard identification for solid materials by Kirso, Uuve, Irha, Natalya, Reinik, Janek, Urb, Gary, Laja, Margit

“…The use of various in vitro toxicity assays for testing environmental solid samples is dependent on the availability of reliable methods for the sampling and…”
Get full text

The role of laboratory and field leaching tests in hazard identification for solid materials : Chemicals, Human and Environment by KIRSO, Uuve, IRHA, Natalya, REINIK, Janek, URB, Gary, LAJA, Margit

Get full text

PAH in Airborne Particulate Matter by Kirso, Uuve, Urb, Gary, Laja, Margit, Teinemaa, Erik, Reinik, Janek, Gebefügi, Istvan, Kettrup, Antonius

“…The levels of polycyclic aromatic hydrocarbons (PAHs) in airborne particulate matter (PM) of urban aerosols were studied in Estonia. Samples of PM,…”
Get full text