Welcome to DU!
The truly grassroots left-of-center political community where regular people, not algorithms, drive the discussions and set the standards.
Join the community:
Create a free account
Support DU (and get rid of ads!):
Become a Star Member
Latest Breaking News
General Discussion
The DU Lounge
All Forums
Issue Forums
Culture Forums
Alliance Forums
Region Forums
Support Forums
Help & Search
Environment & Energy
Related: About this forumHydrothermal liquefaction -- the most promising path to a sustainable bio-oil production
http://www.eurekalert.org/pub_releases/2013-02/au-hl020613.php[font face=Serif]Public release date: 6-Feb-2013
Contact: Jacob Becker, Ph.D.
jbecker@chem.au.dk
(45) 20-65-68-62
Aarhus University
[font size=5]Hydrothermal liquefaction -- the most promising path to a sustainable bio-oil production[/font]
[font size=4]Scientists at 2 Danish universities have made a major breakthrough in producing high-quality and cost-effective bio-oil using hydrothermal liquefaction[/font]
[font size=3]A new generation of the HTL process can convert all kinds of biomasses to crude bio-oil, which is sufficiently similar to fossil crude oil that a simple thermal upgrade and existing refinery technology can be employed to subsequently obtain all the liquid fuels we know today. What is more, the HTL process only consumes approximately 10-15 percent of the energy in the feedstock biomass, yielding an energy efficiency of 85-90 percent.
To emphasize, the HTL process accepts all biomasses from modern society sewage sludge, manure, wood, compost and plant material along with waste from households, meat factories, dairy production and similar industries.
It is by far the most feedstock flexible of any liquid fuel producing process, including pyrolysis, bio-ethanol, gasification with Fischer-Tropsch or catalytic upgrading of different vegetable or agro-industrial residual oils, and does not carry higher costs than these.
Hydrothermal liquefaction is basically pressure cooking, but instead of cooking the biomass in batches, one pot-full at a time, this new generation of HTL is based on flow production, where the biomass is injected into a 400 °C pre-heated reactor, "cooked" under high pressure for ~15 minutes and then quickly cooled down to 70°C.
[/font][/font]
Contact: Jacob Becker, Ph.D.
jbecker@chem.au.dk
(45) 20-65-68-62
Aarhus University
[font size=5]Hydrothermal liquefaction -- the most promising path to a sustainable bio-oil production[/font]
[font size=4]Scientists at 2 Danish universities have made a major breakthrough in producing high-quality and cost-effective bio-oil using hydrothermal liquefaction[/font]
[font size=3]A new generation of the HTL process can convert all kinds of biomasses to crude bio-oil, which is sufficiently similar to fossil crude oil that a simple thermal upgrade and existing refinery technology can be employed to subsequently obtain all the liquid fuels we know today. What is more, the HTL process only consumes approximately 10-15 percent of the energy in the feedstock biomass, yielding an energy efficiency of 85-90 percent.
To emphasize, the HTL process accepts all biomasses from modern society sewage sludge, manure, wood, compost and plant material along with waste from households, meat factories, dairy production and similar industries.
It is by far the most feedstock flexible of any liquid fuel producing process, including pyrolysis, bio-ethanol, gasification with Fischer-Tropsch or catalytic upgrading of different vegetable or agro-industrial residual oils, and does not carry higher costs than these.
Hydrothermal liquefaction is basically pressure cooking, but instead of cooking the biomass in batches, one pot-full at a time, this new generation of HTL is based on flow production, where the biomass is injected into a 400 °C pre-heated reactor, "cooked" under high pressure for ~15 minutes and then quickly cooled down to 70°C.
[/font][/font]
InfoView thread info, including edit history
TrashPut this thread in your Trash Can (My DU » Trash Can)
BookmarkAdd this thread to your Bookmarks (My DU » Bookmarks)
4 replies, 1813 views
ShareGet links to this post and/or share on social media
AlertAlert this post for a rule violation
PowersThere are no powers you can use on this post
EditCannot edit other people's posts
ReplyReply to this post
EditCannot edit other people's posts
Rec (8)
ReplyReply to this post
4 replies
= new reply since forum marked as read
Highlight:
NoneDon't highlight anything
5 newestHighlight 5 most recent replies
Hydrothermal liquefaction -- the most promising path to a sustainable bio-oil production (Original Post)
OKIsItJustMe
Feb 2013
OP
silverweb
(16,402 posts)1. We had this in 2003.
[font color="navy" face="Verdana"]Similar, if not the same, basic process -- thermo-depolymerization (TDP) -- with a prototype plant near a turkey processing factory in Missouri.
http://news.nationalgeographic.com/news/2003/11/1125_031125_turkeyoil.html
It dropped off the radar and I assumed it was stymied in some way (bought out) by Big Oil.
OKIsItJustMe
(19,938 posts)2. They are similar
silverweb
(16,402 posts)3. Sad.
[font color="navy" face="Verdana"]I hope the Danes are more successful in overcoming the problems the U.S. company had.
progressoid
(49,990 posts)4. We need less not more hydrocarbon based energies.