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New waste-to-energy methods to recover and utilize the energy in the black liquor have been developed. The use of black liquor gasification has the potential to achieve higher overall energy efficiency than the conventional recovery boiler while generating an energy-rich syngas from the liquor. The syngas can be burnt in a gas turbine combined cycle to produce electricity (usually called BLGCC for Black Liquor Gasification Combined Cycle; similar to IGCC) or converted through catalytic processes into chemicals or fuels such as methanol, dimethyl ether (DME), or F-T diesel (usually called BLGMF for Black Liquor Gasification for Motor Fuels). This gasification technology is currently under operation in a 3 MW pilot plant at Chemrec's[7] test facility in Piteå, Sweden. The DME synthesis step will be added in 2011 in the "BioDME" project, supported by the European Commission's Seventh Framework Programme (FP7) and the Swedish Energy Agency.[8]
This is a form of waste, though the paper mills has been using it for energy since the 30ies. However given the needs of liquid fuel for transport and the mills being stationary the paper industry is looking into new energy models. The paper mills often own energy companies to handle their needs and sell of their excess. Maybe paper will be a by-product of black liquor fuel industry down the road?
There is also Värmlandsmetanol in Värmland, though I don't know if they also go by way of Black liquor or if they plan to use some other chemistry. Sweden's finest (and perhaps only) collaborative, leftist e-newspaper Synapze.se
Willow - Wikipedia, the free encyclopedia
Energy: Willow is grown for biomass or biofuel, in energy forestry systems, as a consequence of its high energy in-energy out ratio, large carbon mitigation potential and fast growth.[12] Large scale projects to support willow as an energy crop are already at commercial scale in Sweden,[13] and in other countries, others are being developed through initiatives such as the Willow Biomass Project in the US and the Energy Coppice Project in the UK.[14] Willow may also be grown to produce Charcoal.
But I should add that I am not up to speed on the Salix-debate. Sweden's finest (and perhaps only) collaborative, leftist e-newspaper Synapze.se
So you're Salixy-late?
Salicylates are ubiquitous agents found in hundreds of over-the-counter (OTC) medications and in numerous prescription drugs, making salicylate toxicity an important cause of morbidity and mortality
Even if coal is not cheaper all up, the fixed sustainable harvest still applies, which suggests that the ideal role of coppice biocoal in a sustainable energy portfolio is as a readily storable firming energy source, with the main energy supply from harvesting volatile energy sources such as wind and solar, and the firming energy source allows it to function as baseload and scheduled load. I've been accused of being a Marxist, yet while Harpo's my favourite, it's Groucho I'm always quoting. Odd, that.
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