Performed detail calculations to design
Ethanol plants using corn feed stock for various U.S. projects.
Not exact matches
Ethanol and biodiesel can both be
used in bio-jet fuel, but the technologies to convert
plant - derived oil to jet fuel are at an advanced stage of development, yield high energy efficiency and are ready for large - scale deployment.
According to our analysis, this would generate more than enough electricity to power the biorefinery, so surplus power could be sold back to the grid, displacing electricity produced from fossil fuels — a practice already
used in some
plants in Brazil to produce
ethanol from sugarcane.
We've
used yeast to convert
plant cellulose and starch into biofuels like
ethanol for decades; however, the process still isn't efficient, and scientists are genetically altering yeast to change that.
With these experimental results, it is shown that,
using the carboxylate - type liquid zwitterion,
plant biomass could be converted into
ethanol in a single reaction pot without washing / separation processes.
This is a fluidized bed reactor, an energy - generation technology that has been
used for decades to power paper mills and waste - treatment
plants but that had never before been installed in an
ethanol plant.
In another experiment, bagasse was
used as a starting
plant biomass for
ethanol production without washing / separation processes.
The New
Plant Fuel «Green diesel,» as it's being called, isn't the first effort to use plants to power cars; your gas tank probably has a blend of gas and plant - derived ethanol inside it right
Plant Fuel «Green diesel,» as it's being called, isn't the first effort to
use plants to power cars; your gas tank probably has a blend of gas and
plant - derived ethanol inside it right
plant - derived
ethanol inside it right now.
By contrast, traditional
ethanol requires new equipment and
uses edible
plants like corn and sugar that need rich farmland to grow.
The remaining sugar (for
plants with less than 20 % oil) could be sold or
used to produce
ethanol.
Together the two
plants would produce, at best, 22 million gallons of
ethanol a year by
using sulfuric acid to break the lignocellulose bonds and then burning the leftover lignin to power fermentation of the cellulose into
ethanol.
The team achieved better hydrogen yields
using methanol and
ethanol as starting materials but because glucose can be derived from
plant waste such as wood pulp, straw and leftovers from corn production, the scientists will continue to work on their approach.
From the atmosphere's point of view, growing biomass to burn in a power
plant and
using the electricity to move a car avoids 10 tons of carbon dioxide emissions per acre, or 108 percent more emission offsets than
ethanol.
«The challenge is breaking down cellulose (
plant) material,
using enzymes, into sugars that can be fermented into
ethanol,» he said.
Qteros, a company based in Hadley, Mass., is
using a proprietary bacterium it calls the «Q microbe» to break down cellulosic
plants and convert them to
ethanol.
AE Biofuels
uses an enzyme - based approach to the production of cellulosic
ethanol and has designed our process to be integrated with existing corn
ethanol production, in addition to building cellulose - only
plants.
Indeed, biofuels aren't really a stretch — humans have been
using microorganisms to ferment
plants into
ethanol ever since Stone Age people began making beer around 10,000 B.C. Today's work hinges on engineering a perfect microbe that will eat the entirety of a
plant, retain only a little of this food for itself and spew out the rest as a high - energy fuel.
A projected 2,000 - ton - per - day cellulosic
ethanol plant could potentially
use up to 5,000 tons of enzyme per year, and half of that enzyme cocktail could be from this enzyme family.
That method could make a difference in cellulosic biofuel
plants, which produce
ethanol from waste products — corn husks and cobs — rather than edible kernels, a major advance in addressing the tradeoff of
using agricultural land to grow corn for fuel rather than for food.
One example isPanda
Ethanol, which is building the largest biomass
plant in the United Statesin Hereford, Texas, where it will
use the waste of 3.5 milliongrazing cattle to fuel the production of approximately 115 million gallons ofethanol per year.
When it comes to
using plant waste to mitigate climate change, most people think of turning it into
ethanol or biodiesel for
use as a fuel.
Cellulosic's slow path to commercial
use Two weeks ago, INEOS Bio announced it had begun commercial production of cellulosic
ethanol from yard waste in its Vero Beach, Fla.,
plant.
With the help of Liva Harinantenaina, a research scientist working with Kingston, the team honed in on an
ethanol extract of Mallotus oppositfolius, a West African tropical flowering
plant often
used as a chewing stick in Nigeria but not fully studied in the scientific world.
The prevailing approach to biofuels production is to convert
plant sugars from traditional food crops into
ethanol using centuries - old fermentation practices.
The key factors determining carbon emissions for corn - based
ethanol are (1) whether coal or natural gas is
used to power the
ethanol plant, (2) whether distillers grains are dried or sold wet, and (3) whether expansion of corn acreage comes mainly from reduced acreage of lower - value crops or if idled land is brought into production.
Just been looking up the sources for commercial CO2 and here is a short exerpt from google: «The most common operations from which commercially - produced carbon dioxide is recovered are industrial
plants which produce hydrogen or ammonia from natural gas, coal, or other hydrocarbon feedstock, and large - volume fermentation operations in which
plant products are made into
ethanol for human consumption, automotive fuel or industrial
use.
With competition for
plant waste among cellulosic
ethanol plants, landscapers, and a range of other users, added to the fact that millions of cell phones are made each year, it could quickly become yet another burden on the earth to be
using so much compostable, good - for - the - soil
plant matter for cell phone frames.
Among their suggestions were the following: expand conservation tillage to 100 percent of cropland, stop all deforestation, drive two billion cars on
ethanol, increase wind power 80-fold to make hydrogen for cars, replace 1,400 large coal - fired power
plants with gas - fired ones, and cut electricity
use in buildings by 25 percent.
For example, a farmer in northern Iowa could
plant an acre in corn that yields enough grain to produce roughly $ 1,000 worth of fuel - grade
ethanol per year, or he could
use that same acre to site a turbine producing $ 300,000 worth of electricity each year.
The production of
ethanol for fuel in the US
uses huge amounts of land, some of which was brought back into production for this purpose, large amounts of energy to the point there is probably a net loss, major water consumption, and little savings in net CO2 emissions (which are
plant food anyway.)
While there continue to be high hopes that biofuels made from
plant products like corncobs and switchgrass can help meet our growing energy needs, one major obstacle has been the cost of enzymes which are
used to break down these tough
plant parts into simple sugars that can be turned into
ethanol.
Some green activists supported mandates for biofuel, hoping they would pave the way for next - generation
ethanol, which would
use non-food
plants.
The problem with forcing «all» vehicles to
use x %
ethanol and «mandating» cellulose
ethanol before a single
plant was built.
The researchers examined three ways of
using sunlight to power cars: a) the traditional method of converting corn or other
plants to
ethanol; b) converting energy crops into electricity for BEVs rather than producing
ethanol; and C)
using PVs to convert sunlight directly into electricity for BEVs.
«Depending on prior land
use, our analysis shows that carbon releases from the soil after
planting corn for
ethanol may in some cases completely offset carbon gains attributed to biofuel generation for at least 50 years,» they note.
Ethanol plants produce byproducts that can be used as feed for animals, in turn, factory farms can sell animal manure as fuel for ethanol
Ethanol plants produce byproducts that can be
used as feed for animals, in turn, factory farms can sell animal manure as fuel for
ethanol ethanol plants.
Making
ethanol from corn reduces atmospheric releases of the greenhouse gas carbon dioxide because the CO2 emitted when the
ethanol burns is «canceled out» by the carbon dioxide taken in by the next crop of growing
plants, which
use it in photosynthesis.
They see small - scale cellulosic refineries located near switchgrass grown on empty fields, beside pulp paper mill
plants, or linked to municipal landfills, producing
ethanol and
using leftover biomass for co-generation of heat.
To produce enough corn - based
ethanol to meet current U.S. demand for automotive gasoline, we would need to nearly double the amount of land
used for harvested crops,
plant all of it in corn, year after year, and not eat any of it.»
«Excessive prices for oil and food» to a certain extent the result of policy restrictions on the
use of hydrocarbons, the effect of extrusion from the structure of arable food crops through improved crop
plants from which
ethanol is produced to replace hydrocarbons as fuel.
The production and
use of
ethanol merely recycles in a different way the CO2 that has been fixed by
plants in the photosynthesis process.
The Q Microbe ™ is
used to make cellulosic
ethanol from
plant waste and could transform the energy industry by making
ethanol more quickly and cost effectively than conventional technologies.
Practically speaking, one would probably
use for
ethanol production only a little over half of the soil bank lands and add to this some portion of the
plants now grown as animal feed crops (for example, on the 70 million acres that now grow soybeans for animal feed).
For example, with such genetically - engineered biocatalysts it is not only grains of corn but corn cobs and most of the rest of the corn
plant that may be
used to make
ethanol.
The Fulton, Miss. project will allow BlueFire to
use green and wood wastes available in the region as feedstock for the
ethanol plant, which is designed to produce approximately 19 - million gallons of
ethanol per year.
Ethanol more energy - efficient than oil, finds study: Using ethanol — alcohol produced from corn or other plants — instead of gasoline is more energy - efficient that oil say researchers at the University of California, Be
Ethanol more energy - efficient than oil, finds study:
Using ethanol — alcohol produced from corn or other plants — instead of gasoline is more energy - efficient that oil say researchers at the University of California, Be
ethanol — alcohol produced from corn or other
plants — instead of gasoline is more energy - efficient that oil say researchers at the University of California, Berkeley.
Instead of harnessing the sun's energy to convert carbon dioxide into
plant food, artificial photosynthesis seeks to
use the same starting ingredients to produce chemical precursors commonly
used in synthetic products as well as fuels like
ethanol.
Separation of pigments In a solvent according to their densities For
plant pigments, we
use acetone /
ethanol.
Although
ethanol can be produced from any
plant, it is much more efficient and much less costly to
use sugar - and starch - bearing crops.
The sugarcane would then provide feedstock for an
ethanol plant, with leftover cane
used to create biomass electricity at night with a nearby solar concentrator complex generating power during the day.