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{{Infobox company
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| logo_size = 200px
| name = Chemrec AB
| type = Venture backed [[Privately held company|private]]
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| location_country = [[Sweden]]
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▲| industry = [[Black liquor]] [[gasification]] and [[biofuel|biofuels]]
| products =
| services =
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'''Chemrec AB (Chemrec)'''
The Chemrec process for gasification of black liquor from the chemical pulp industry offers to increase the yield of high-value energy products from 15 to 16% in modern recovery boilers to 22–23% for the BLG electricity concept (BLGCC) or to 55% for the BLG bio fuel concept (BLGMF), with 90+% green-house gas reduction. Low-cost, low-grade and abundant biomass energy then needs to be brought to the mill for a feed-stock swap to replace the gasified black liquor as feed-stock for production of steam and electricity in a biomass boiler, resulting in a total yield from added biomass to bio fuels of 70% for the BLGMF concept.
Chemrec's technology for [[second generation biofuels]] has in the [[European Community|European Community's]] [[Sixth Framework Programme]] project [[Renew]]<ref>[http://www.renew-fuel.com/home.php RENEW] website</ref> been shown to yield lower production cost than any other studied technology.<ref>[http://www.renew-fuel.com/download.php?dl=renew-final-report-080627.pdf&kat=5 RENEW Final report]</ref> EUCAR / Concawe / [[Joint Research Centre|JRC]]'s Well-to-Wheels analysis of future automotive fuels and powertrains in the European context shows that [[methanol]] and [[Dimethyl ether|DME]] produced via black liquor gasification has extremely high [[Well-to-wheel#Well-to-wheel|well-to-wheels]] efficiency and very high [[greenhouse gas]] reduction.<ref>▼
==Ownership history==
[[File:Chemrec 5 - small.JPG|thumb|Installation of the BioDME synthesis towers at Chemrec's pilot facility in Piteå, Sweden, on May 23, 2010]]▼
Chemrec's technology originated in the mid-
In 1990 [[Kvaerner]] (Norwegian engineering and construction services company) bought Chemrec and remained the sole owner until 2000. When [[Kvaerner]] experienced financial difficulties and divested several non-core businesses in 2000 [[Deutsche Babcock|Babcock Borsig]] (German industrial equipment manufacturing group) acquired a majority position in Chemrec. Babcock Borsig filed for [[bankruptcy]] in 2002 and Nykomb Synergetics
▲[[File:Chemrec 5 - small.JPG|thumb|Installation of the BioDME synthesis towers at Chemrec's pilot facility in Piteå, Sweden, on May 23, 2010]]
Between 2006 and 2013 Chemrec succeeded in attracting a total of approx. USD 45 M capital contributions by means of rights issues reserved to the following Venture Capital companies:
▲Chemrec's technology originated in the mid-80's with an invention by Jan-Erik Kignell who was awarded the [[Royal Swedish Academy of Engineering Sciences]]' Gold Medal for this feat in 1993.<ref>[http://www.iva.se/Verksamhet/Utmarkelser/Guldmedaljen/Samtliga-mottagare-av-Guldmedaljen-/ Royal Swedish Academy of Engineering Sciences] website (in Swedish)</ref> Kignell sold his black liquor gasification patent to the Swedish [[ball bearing]] company [[SKF]] that worked on gasification in the late 1980s, but concluded that the technology related to black liquor was too far removed from the company's core business, upon which the inventors Nils Bernhard and Lars Stigsson acquired the patents in 1989 and founded Chemrec (an abbreviation of CHEMical RECovery) to exploit the technology.
* Vantage Point Venture Partners LP, San Bruno, California, USA (2006–2010)
▲In 1990 [[Kvaerner]] bought Chemrec and remained the sole owner until 2000. When [[Kvaerner]] experienced financial difficulties and divested several non-core businesses in 2000 [[Deutsche Babcock|Babcock Borsig]] acquired a majority position in Chemrec. Babcock Borsig filed for [[bankruptcy]] in 2002 and Nykomb Synergetics, at the time a minority owner, acquired Chemrec from the bankruptcy estate. In 2003-2006 Nykomb Synergetics was the sole owner, and still holds a minority position after bringing in additional venture capital from 2006 onwards.
* Volvo Technology Transfer AB, Göteborg, Sweden (2006–2013)
* Environmental Technologies Fund LP, London, UK (2008–2013)
== Technology ==▼
{{Empty section|date=July 2022}}
Within the "BioDME" project, supported by the [[European Commission]]'s [[Seventh Framework Programme]] (FP7) and the [[Ministry of Enterprise, Energy and Communications (Sweden)|Swedish Energy Agency]], Chemrec is building the world's first pilot plant for [[chemical synthesis|synthesis]] of [[Dimethyl ether|BioDME]] adjacent to the existing gasification pilot plant in Piteå, with production start early in 2010.<ref>[http://www.biodme.eu/index.html BioDME Project] website</ref>▼
== Technology development ==
In 2009 the [[Ministry of Enterprise, Energy and Communications (Sweden)|Swedish Energy Agency]] awarded Chemrec a grant of SEK 500 million towards the construction of a SEK 3 billion industrial scale experimental development biofuels plant at the Domsjö Fabriker biorefinery complex in [[Örnsköldsvik]], Sweden. The grant was approved by [[EU|EU's]] [[Directorate-General for Competition]] on January 26, 2011, following assessment of the project under the EU framework for State aid for research and development and innovation.<ref name ="EU1" />▼
During the period from 1988, Chemrec developed two pilot plants for first-generation atmospheric air-blown BLG gasifiers, first 1988–1989 with 3 tds/d (ton black liquor solids per day) capacity at SKF, Hofors, Sweden, then 1990–1994 with 75 tds/d capacity at AssiDomän, Frövi, Sweden, and followed by scale-up to the first commercial demo-plant, with this technology and 330 tds/d capacity which started up in 1996 at [[Weyerhaeuser|Weyerhaeuser's]] [[New Bern, North Carolina|New Bern]], North Carolina, US, pulp mill and operated 48,000 hours. Funding for the New Bern plant was arranged by Weyerhaeuser in collaboration with Chemrec and the [[United States Department of Energy|U.S. DOE]] Energy Efficiency and Renewable Energy division.
Concurrently Chemrec initiated development of its second-generation pressurized BLG technology in a 15-bar pressurized pilot plant at StoraEnso, Skoghall, Sweden, which from 1993 operated air-blown with 6 tds/d capacity and after rebuild in 1996 operated until 2000 as oxygen-blown with 10 tds/d capacity.
Thereafter a new 30-bar 20 tds/d development plant (DP-1) at Smurfit Kappa, Piteå, Sweden, started-up in 2005 and logged 28,000 hours gasifier operation whereof 12,000 hours with syngas-fed methanol and DME synthesis operation.
▲Within the "BioDME" project, supported by the [[European Commission
In 2013 the Piteå plant was transferred to Luleå University of Technology (LTU) and continued operation until it was mothballed in 2016, waiting for next project funding to be completed.
The Domsjö Biofuel project was during the period 2009-2012 developed by Chemrec in close co-operation with Domsjö Fabriker in Örnsköldsvik, Sweden with the objective of building a new BLG based energy and chemical recovery plant on the site
▲In 2009 the [[Ministry of Enterprise, Energy and Communications (Sweden)|Swedish Energy Agency]] awarded Chemrec a grant of SEK 500 million [[Ministry of Enterprise, Energy and Communications (Sweden)|(approx.]] €55M as at January 2011) towards the [[Domsjö Fabriker|construction of a SEK 3.2 billion (approx. €350M) industrial scale
After having secured €200M, more than half of €350M total project funding, including the €55M grant and €145M pledged by mill owner, EPC contractor and Int. Oil & Gas major, debt financing of the remaining €150M was prevented mainly due to lenders assessment of political risk.
'''Summary:''' '''''In 2012 Lack of stable regulatory framework stopped the project!'''''
-Recent Chemrec pressurized and oxygen-blown BLG technology developments further increasing fuel yield include addition of pyrolysis oil to the BL feed and addition of renewable hydrogen to green {{CO2}} from the syngas cleaning process.
-The planned next development step is scale up of the pressurized and oxygen blown BLG version to 550 tds/d for implementation of a commercial demonstration plant.
▲== Technology ==
=== Black liquor properties ===
[[File:Svartlut 76.jpg|thumb|Black liquor sample]]
Black liquor is a [[biomass]] [[feedstock]] with unique properties.
First of all, it is available at existing industrial sites in large quantities.<ref name="Higman">C. Higman, M. van der Burgt, Elsevier, ''Gasification'' 2003, {{ISBN
Secondly it is a liquid. This makes it possible to easily feed it by pumping into the pressurized [[gasifier]]. With biomass in solid or pulverized form this becomes significantly more difficult. The liquid state also makes the black liquor easy to atomize into a fine mist that reacts very
Thirdly, the gasification of black liquor [[Char (chemistry)|char]] is more rapid than for any other feedstock as the inherently high [[sodium]] and [[potassium]] content of black liquor acts as a [[catalyst]].<ref name="
These properties makes it possible to apply the high temperature, [[gasification|entrained flow gasification]] principle to black liquor. This type of gasification process provides many advantages over alternative gasification technologies:{{Citation needed|date=May 2011}}
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=== Investment cost and energy efficiency ===
Black liquor gasification fulfills two investment-intensive duties with a single process; it provides the [[pulp mill]] with needed black liquor recovery capacity at the same time as it produces [[syngas]] for [[biofuel|biofuels production]]. In this way the total investment demand decreases.<ref>
The Chemrec gasification process
The location within a [[pulp mill]] complex
▲Chemrec's BLG technology producing syngas as feed-stock for [[second generation biofuels]] synthesis has in the [[European Community|European Community's]] [[Sixth Framework Programme]] project [[EU Project Renew|Renew]]
=== A300 Booster ===▼
== Licensing ==
The 300 tons/day atmospheric air-blown unit increases pulp production through improved black liquor recovery capacity and flexibility in chemical recovery. The A300 Booster is installed in parallel with the mill’s existing recovery boiler. A significant benefit of this system is that it can be installed while the recovery boiler continues to operate, thus avoiding down time and lost production.<ref name="Chemrec products">[http://www.chemrec.se/Technology.aspx Chemrec] web site</ref>▼
Chemrec AB is currently an Intellectual Property (IP) Holding Company offering an EPC/EPCM company the required license to practice the Chemrec BLG Technology.
The following Chemrec BLG units are examples from the wide range of possible tailor-made installations:
▲The 300 tons/day atmospheric air-blown unit increases pulp production through improved black liquor recovery capacity and flexibility in chemical recovery. The A300 Booster is installed in parallel with the
▲=== OX300 Booster ===
The OX300 atmospheric oxygen-blown Booster not only increases the black liquor recovery capacity but also produces a fuel gas suitable as lime kiln fuel. In this way lime kiln fuel costs and the mill carbon footprint can be significantly reduced.<ref name ="Chemrec products" />
The 500 tons/day pressurized oxygen-blown unit offers mills additional capacity and increased yield, while producing significant volumes of sustainable, low-carbon biofuels.<ref name ="Chemrec products" />
The 2000 tons/day pressurized oxygen-blown unit replaces recovery boilers entirely, granting improved pulp yield, while producing significant volumes of sustainable, low-carbon biofuels.<ref name ="Chemrec products" />
The 2000 tons/day pressurized unit oxygen-blown replaces recovery boilers entirely, granting improved pulp yield, while doubling “green power” production.<ref name ="Chemrec products" />▼
▲The 2000 tons/day pressurized unit oxygen-blown replaces recovery boilers entirely, granting improved pulp yield, while doubling “green power” production.<ref name ="Chemrec products" />
== See also ==
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== External links ==
*[https://web.archive.org/web/20100811054814/http://www.chemrec.se/ Chemrec]
*[http://www.etf.eu.com Environmental Technologies Fund]
*[http://www.volvogroup.com/group/sweden/sv-se/volvo+group/our+companies/volvotechnologytransfer/pages/volvo_technology_transfer.aspx Volvo Technology Transfer] {{Webarchive|url=https://web.archive.org/web/20110721014907/http://www.volvogroup.com/group/sweden/sv-se/volvo+group/our+companies/volvotechnologytransfer/pages/volvo_technology_transfer.aspx |date=2011-07-21 }}
*[http://www.nykomb.com Nykomb Synergetics]
*[http://www.vpvp.com/ VantagePoint Venture Partners] {{Webarchive|url=https://web.archive.org/web/20101226132423/http://www.vpvp.com/ |date=2010-12-26 }}
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