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Chemrec
Chemrec AB (Chemrec) English: /ˈkɛmrɛk/ is a Stockholm, Sweden-based company that has worked on the development of black liquor gasification (BLG) technology for energy and chemicals recovery at pulp mills.
The company's process for gasification of black liquor from the chemical pulp industry is claimed 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 originated in the mid-1980s with an invention by Jan-Erik Kignell who was awarded the Royal Swedish Academy of Engineering Sciences' Gold Medal for this feat in 1993. Kignell sold his black liquor gasification patent to the Swedish rolling bearing company SKF, which steel division 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 other inventors Nils Bernhard and Lars Stigsson acquired the patents in 1989 and founded Chemrec (an abbreviation of "chemical recovery") to exploit the technology.
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 Babcock Borsig (German industrial equipment manufacturing group) acquired a majority position in Chemrec. Babcock Borsig filed for bankruptcy in 2002 and Nykomb Synergetics (Swedish energy and chemical industry development and operating company) at the time a minority owner, acquired Chemrec from the bankruptcy estate. In 2003–2006 Nykomb Synergetics was the sole owner of Chemrec.
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:
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's 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 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.
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Chemrec
Chemrec AB (Chemrec) English: /ˈkɛmrɛk/ is a Stockholm, Sweden-based company that has worked on the development of black liquor gasification (BLG) technology for energy and chemicals recovery at pulp mills.
The company's process for gasification of black liquor from the chemical pulp industry is claimed 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 originated in the mid-1980s with an invention by Jan-Erik Kignell who was awarded the Royal Swedish Academy of Engineering Sciences' Gold Medal for this feat in 1993. Kignell sold his black liquor gasification patent to the Swedish rolling bearing company SKF, which steel division 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 other inventors Nils Bernhard and Lars Stigsson acquired the patents in 1989 and founded Chemrec (an abbreviation of "chemical recovery") to exploit the technology.
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 Babcock Borsig (German industrial equipment manufacturing group) acquired a majority position in Chemrec. Babcock Borsig filed for bankruptcy in 2002 and Nykomb Synergetics (Swedish energy and chemical industry development and operating company) at the time a minority owner, acquired Chemrec from the bankruptcy estate. In 2003–2006 Nykomb Synergetics was the sole owner of Chemrec.
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:
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's 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 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.