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Viru Keemia Grupp (VKG) is an
Estonia Estonia, formally the Republic of Estonia, is a country by the Baltic Sea in Northern Europe, Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the Baltic Sea, sea across from Sweden, to ...
n holding group of
oil shale industry The oil shale industry is an industry of mining and processing of oil shale—a fine-grained sedimentary rock, containing significant amounts of kerogen (a solid mixture of organic chemical compounds), from which liquid hydrocarbons can be manufa ...
, power generation, and public utility companies.


History

After Estonia gained independence, the state owned oil shale enterprise, Riigi Põlevkivitööstus ( en, Estonian State Oil Shale Industry), was established as a department of the Ministry for Trade and Industry on 24 November 1918. Shale oil production started in
Estonia Estonia, formally the Republic of Estonia, is a country by the Baltic Sea in Northern Europe, Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the Baltic Sea, sea across from Sweden, to ...
in 1921 when Riigi Põlevkivitööstus built 14 experimental oil shale processing retorts in
Kohtla-Järve Kohtla-Järve is a city and municipality in northeastern Estonia, founded in 1924 and incorporated as a town in 1946. The city is highly industrial, and is both a processor of oil shales and is a large producer of various petrochemical products ...
. Ots (2004), pp. 15–16 These vertical retorts used the method developed by Julius Pintsch AG that would later evolve into the current
Kiviter processing The Kiviter process is an above ground retorting technology for shale oil extraction. History The Kiviter process is based on the earlier vertical retort technology (Pintsch's generator). This technology underwent a long process of development ...
technology. Along with the shale oil extraction plant, an oil shale research laboratory was founded in 1921. Aaloe et al. (2007), p. 21 Following the experimental retorts, the first commercial shale oil plant was put into operation on 24 December 1924. This is considered as a beginning of the history of Viru Keemia Grupp. In October 1936, Riigi Põlevkivitööstus was reorganized as the government-owned joint stock company and was renamed Esimene Eesti Põlevkivitööstus. Holmberg (2008), p. 99 It operated three shale oil extraction plants and was constructing the fourth plant. After occupation of Estonia by the Soviet Union, the company was subordinated to the Soviet authorities in December 1940. Holmberg (2008), p. 129 During the subsequent German occupation, the industry was merged into a company named Baltische Öl GmbH, subordinated to Kontinentale Öl. Holmberg (2008), pp. 130–131 During the following Soviet occupation, the company became the Kohtla-Järve shale oil combinate (russian: Сланцехим under the General Directorate of Synthetic Liquid Fuel and Gas of the USSR (''Glavgaztopprom''). Holmberg (2008), p. 137 In 1948, the company opened an oil shale gas plant, and for several decades the oil shale gas was used as a substitute for natural gas in Saint Petersburg (then known as Leningrad) and in northern Estonian cities. Holmberg (2008), p. 139 It was the first time in history that synthetic gas from oil shale was used in households. Holmberg (2008), p. 135 In 1995, the Kohtla-Järve factory and factory in Kiviõli were merged into the single company named RAS Kiviter. In 1997, Kiviter was privatized and a year later it declared insolvency. Its factory in Kohtla-Järve was acquired by newly established Viru Keemia Grupp. In 2008, the company received a permit for developing the Boltysh oil shale deposit in Ukraine. VKG Oil opened three new Galoter-type oil plants called Petroter correspondingly in December 2009, in October 2014, and in November 2015. In January 2016, the company announced that due to low oil price, it will close the old oil plants using Kiviter technology and lay off 500 workers.


Operations

VKG's two main areas of operations are shale oil extraction, and electricity and heat production and distribution.


Shale oil production

The subsidiary producing
shale oil Shale oil is an unconventional oil produced from oil shale rock fragments by pyrolysis, hydrogenation, or thermal dissolution. These processes convert the organic matter within the rock (kerogen) into synthetic oil and gas. The resulting oil c ...
is VKG Oil. The company utilizes two different processes: Kiviter and Galoter. The company also tested but rejected the Alberta Taciuk Process. In total, VKG Oil processes 2 million tons of oil shale per year, producing 250,000 tons of shale oil. The company operates several Kiviter retorts, the largest of them having a processing capacity of 40 tonnes per hour of oil shale feedstock. These retorts are currently out of operation due to low oil price. It also operates three Galoter-type retorts called Petroter. Engineering of the retort was done by Atomenergoproject of
Saint Petersburg Saint Petersburg ( rus, links=no, Санкт-Петербург, a=Ru-Sankt Peterburg Leningrad Petrograd Piter.ogg, r=Sankt-Peterburg, p=ˈsankt pʲɪtʲɪrˈburk), formerly known as Petrograd (1914–1924) and later Leningrad (1924–1991), i ...
; engineering of the condensation and distillation plant was done by Rintekno of Finland. The first Petroter plant has a processing capacity of 1.1 million tonnes of oil shale per year, and it produces 100,000 tonnes of shale oil, of oil shale gas, and 150 GWh of steam per year.


Power generation and distribution

VKG's subsidiary VKG Energia, a power and heat generation company, was established in 2004 after VKG bought the Kohtla-Järve Power Plant and the Kohtla-Järve heat distribution system from Kohtla-Järve Soojus. In 2005, it bought another power plant in Kohtla-Järve from Fortum Termest. In 2006, VKG bought a 40.8% stake in Kohtla-Järve Soojus, an operator of the Ahtme Power Plant, and in 2010 it took a full control of the company, now VKG Soojus. All generations capacities were transferred to VKG Energia while VKG Soojus is responsible for heat distribution. All generations capacities were transferred to VKG Energia while VKG Soojus is responsible for heat distribution. VKG Energia has installed electrical capacity of 80 MW and heat capacity of 700 MW. In July 2006, VKG acquired Narva Elektrivõrk, the second-largest power distribution company in Estonia, and renamed it VKG Elektrivõrgud.


Other activities

In April 2011, VKG acquired assets of a bankrupt company Silbet Plokk that manufactured cinder blocks for construction from oil shale burning residue. The company was renamed VKG Plokk. The coalition-agreement of
Jüri Ratas' second cabinet Jüri Ratas' second cabinet was the 50th cabinet of Estonia, in office from 29 April 2019 to 14 January 2021. It was a centre-right coalition cabinet of the Centre Party, right-wing populist Conservative People's Party (EKRE) and conservativ ...
formed in 2019 between the Centre Party,
EKRE The Conservative People's Party of Estonia ( et, Eesti Konservatiivne Rahvaerakond, EKRE) is a national-conservative and right-wing populist political party in Estonia. It is currently led by Martin Helme. It was founded in March 2012, with the m ...
and Pro Patria, expresses support to the development of the local oil industry. Therefore, VKG and
Eesti Energia Eesti Energia AS is a public limited energy company in Estonia with its headquarters in Tallinn. It is the world's biggest oil shale to energy company. The company was founded in 1939. As of 2014, it operates in Estonia, Latvia, Lithuania ...
decided to initiate a cost-benefit study aimed at establishing an oil pre-refining plant in
Ida-Viru County Ida-Viru County ( et, Ida-Viru maakond or ''Ida-Virumaa'') is one of 15 counties of Estonia. It is the most north-eastern part of the country. The county contains large deposits of oil shale - the main mineral mined in Estonia. Oil shale is used ...
. The plant would require a 650 million euro investment.


Subsidiaries

Main subsidiaries of VKG are: *VKG Oil - shale oil producer *Viru RMT – company producing, assembling and repairing metal structures, pipelines and pressure equipment *VKG Transport – transportation company *VKG Energia - heat and power generation company *VKG Soojus – heat distribution company * VKG Elektrivõrgud – electricity distribution company *VKG Elektriehitus – construction of power systems *VKG Kaevandused – oil shale mining *VKG Plokk – production of cinder blocks *OOO Slantsehim (73.4%) – developer of Boltysh oil shale deposit in Ukraine


See also

*
Energy in Estonia Energy in Estonia depends on fossil fuels. Finland and Estonia are two of the last countries in the world still burning peat. Electricity Electricity production in Estonia is largely dependent on fossil fuels. In 2007, more than 90% of power w ...


References


Bibliography

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External links

* {{Authority control Chemical companies of Estonia Electric power companies of Estonia Oil shale companies of Estonia Synthetic fuel companies Kohtla-Järve