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Featured researches published by Alar Konist.


Archive | 2009

Comparison of Ash from PF and CFB Boilers and Behaviour of Ash in Ash Fields

H. Arro; T. Pihu; A. Prikk; R. Rootamm; Alar Konist

Over 90% of electricity produced in Estonia is made by power plants firing local oil shale and 25% of the boilers are of the circulating fluidised bed (CFB) variety. In 2007 approximately 6.5 million tons of ash was acquired as a byproduct of using oil shale for energy production. Approximately 1.5 million tons of that was ash from CFB boilers. Such ash is deposited in ash fields by means ofhydro ash removal.


Fuel | 2012

Oil shale CFBC ash cementation properties in ash fields

T. Pihu; H. Arro; A. Prikk; R. Rootamm; Alar Konist; Kalle Kirsimäe; Martin Liira; Riho Mõtlep


Oil Shale | 2013

OIL SHALE PULVERIZED FIRING: BOILER EFFICIENCY, ASH BALANCE AND FLUE GAS COMPOSITION

Alar Konist; Tõnu Pihu; Dmitri Neshumayev; Andres Siirde


Fuel | 2015

Influence of oxy-fuel combustion of Ca-rich oil shale fuel on carbonate stability and ash composition

Alar Konist; A. Valtsev; Lauri Loo; T. Pihu; Martin Liira; Kalle Kirsimäe


Oil Shale | 2013

LOW GRADE FUEL - OIL SHALE AND BIOMASS CO-COMBUSTION IN CFB BOILER

Alar Konist; Tõnu Pihu; Dmitri Neshumayev; Indrek Külaots


Oil Shale | 2014

CALCULATION OF THE AMOUNT OF ESTONIAN OIL SHALE PRODUCTS FROM COMBUSTION IN REGULAR AND OXY-FUEL MODE IN A CFB BOILER

Alar Konist; Lauri Loo; Aleksandr Valtsev; Birgit Maaten; Andres Siirde; Dmitri Neshumayev; Tõnu Pihu


Oil Shale | 2012

SHORT-TERM TESTS ON FIRING OIL SHALE FUEL APPLYING LOW-TEMPERATURE VORTEX TECHNOLOGY

T. Pihu; Alar Konist; Dmitri Neshumayev; J. Loosaar; Andres Siirde; Teet Parve; A. Molodtsov


Oil Shale | 2016

MINERAL SEQUESTRATION OF CO2BY CARBONATION OF Ca-RICH OIL SHALE ASH IN NATURAL CONDITIONS

Alar Konist; Birgit Maaten; Lauri Loo; Dmitri Neshumayev; T. Pihu


Applied Energy | 2018

Power plant fuel consumption rate during load cycling

Dmitri Neshumayev; Leo Rummel; Alar Konist; Arvo Ots; Teet Parve


Oil Shale | 2017

FULL-SCALE TESTS ON THE CO-FIRING OF PEAT AND OIL SHALE IN AN OIL SHALE FIRED CIRCULATING FLUIDIZED BED BOILER

T. Pihu; Alar Konist; Dmitri Neshumayev; Lauri Loo; A. Molodtsov; A Valtsev

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Dmitri Neshumayev

Tallinn University of Technology

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Birgit Maaten

Tallinn University of Technology

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Lauri Loo

Tallinn University of Technology

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Andres Siirde

Tallinn University of Technology

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T. Pihu

Tallinn University of Technology

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Tõnu Pihu

Tallinn University of Technology

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A. Prikk

Tallinn University of Technology

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H. Arro

Tallinn University of Technology

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R. Rootamm

Tallinn University of Technology

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