We're supposed to believe that ethanol has conferred a giant boon on consumers even though gasoline prices have increased
as ethanol production has increased, and even though gas prices hit their all - time high when ethanol production hit its all - time high.
This water is obtained from underground aquifers, and
as ethanol production reaches a fever pitch in Iowa, the state's water supply is threatened.
Not exact matches
In another experiment, bagasse was used
as a starting plant biomass for
ethanol production without washing / separation processes.
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.
Part of the $ 150 billion, 10 - year expenditure — the centerpiece of his energy plan — is to develop these resources
as well
as shift
ethanol production from corn to cellulose - based sources that do not affect the food supply.
Selfa thought that had these communities been aware of
ethanol production's impact on the local water supply, support for the plants may not have been
as strong.
Enzymes, genetically engineered to avoid sticking to the surfaces of biomass such
as corn stalks, may lower costs in the
production of cellulose - based biofuels like
ethanol.
Examples of indirect use which require energy harvesting are electricity generation through wind turbines or photovoltaic cells, or
production of fuels such
as ethanol from biomass.
«It takes 77 million years to make fossil fuels and 45 minutes to use
as a coffee cup,» says Cereplast's Scheer, noting that his industry can use the residue of government - mandated
production of biofuels, such
as ethanol from corn.
Moving forward, the team will continue to work on their device to scale up the
production of ethylene
as well
as employ similar systems to produce liquid fuels such
as ethanol and propanol.
Future technologies that need R&D: high - efficiency photovoltaics (say, 50 % conversion)(
as well
as lowering the cost of PV), energy storage systems for intermittent sources like solar and wind (hydrogen storage, other methods), advances in biofuel technology (for example, hydrogen
production from algae, cellulosic
ethanol, etc..)
The 2015 Survey of Non-Starch
Ethanol and Renewable Hydrocarbon Biofuels Producers provides an inventory of the domestic advanced biofuels
production industry
as of the end of calendar year 2015, documenting important... Read more →
One possibly application is the
production of
ethanol as a biofuel.
Meats from feedlots can be given such things
as corn, corn by - products (some is derived from high fructose corn syrup
production and
ethanol), barley, milo, wheat, and other grains and roughage that often consists of corn stalks, alfalfa, cottonseed meal, and premixes of chemical preservatives, antibiotics, and fermentation products.
As you drink and force your body to metabolize alcohol, you're converting
ethanol into acetaldehyde and acetate in your liver, and this causes increased
production of tiny blood vessel constrictors called thromboxanes.
As a result of the jump in
ethanol production, less corn is available for food or livestock feed.
This will require some technological breakthroughs since the
production of
ethanol from such sources
as switch grass require the use of cellulosic enzymes whose economical
production has not been perfected yet.
Ethanol makers experienced improved financial performance because of changes out of their control -
as in the case of natural gas prices falling drastically in response to increased fracking for natural gas
production - but lost money because of increased corn prices caused by escalating Chinese grain demand.
Whatever you grow that you don't use for food can then be fed into biofuel
production (
as well
as biochar
production,
as a soil amendment, meaning NEGATIVE emissions), and then you have some amount of
ethanol, biodiesel, or bio-based hydrocarbon product.
There is something fishy about that 140 GW RE number, they must be counting
ethanol production and plants that burn wood chips
as well, both of which emit CO2.
But some
ethanol supporters correctly point out that we have lots of coal, and we could use that
as our primary energy source for
ethanol production.
However,
as NECSI's president Yaneer Bar - Yam points out, «Because of large profits for speculators and agricultural interests, a very strong social and political effort is necessary to counter the deregulation of commodities and reverse the growth of
ethanol production.»
You bet your bottom dollar the US
ethanol production mandates were sold to the left
as environmentally sound, but corn isn't exactly grown in bastions of liberaldom now is it.
The Midwest does not have the highest solar potential in the country (that is found in the Southwest), but its potential is nonetheless vast, with some parts of the Midwest having
as good a solar resource
as Florida.75 More than one - quarter of national installed wind energy capacity, one - third of biodiesel capacity, and more than two - thirds of
ethanol production are located in the Midwest (see also Ch.
As part of its analysis, the Duke team calculated how corn - for -
ethanol and cellulosic - for -
ethanol production — both now and in the future — would compare with agricultural set - asides.
In contrast, cellulosic
ethanol production entails mowing plants
as they grow — often on land that is already in conservation reserve.
It's now well - established that large - scale U.S.
production of biofuels such
as ethanol from corn has accomplished little or nothing (or even negative) in its stated goals of reducing oil dependence and cutting emissions of greenhouse gases, and has functioned instead
as a full - employment program for agribusiness (and a political
production racket for Iowa and other corn - growing states).
Robert, the notion that western grain
production feeds the third world is just
as much a con job
as the notion of
ethanol from grain.
Because so little energy is required to cultivate crops such
as switchgrass for cellulosic
ethanol production, and because electricity can be co-produced using the residues of such cellulosic fuel
production, reductions in greenhouse gas emissions for celluslosic
ethanol when compared to gasoline are greater than 100 per cent.
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).
It does not release carbon that would otherwise stay stored underground,
as occurs with fossil fuel use, but when starch, such
as corn, is used for
ethanol production much energy, including fossil - fuel energy, is consumed in the process of fertilizing, plowing, and harvesting.
The breathtaking promise of the Q Microbe has led to the creation of a company, now known
as Qteros, that is seeking to bring the
production of cellulosic
ethanol to the marketplace.
``...
production and use of
ethanol as fuel to displace gasoline is likely to increase such air pollutants
as particulate matter, ozone, and sulfur oxides.»
But that turned out to be not just environmentally destructive but was also arguably responsible for the spike in food prices that soon followed,
as farmers turned away from cultivating corn for human consumption to cultivating it for
ethanol production.
Called «marc,» grape waste could serve
as an ideal feedstock for the
production of
ethanol, according to PhD candidate Kendall Corbin.
The report warned that increasing
production of liquid biofuels, such
as ethanol and biodiesel, could increase the price of agricultural commodities with negative economic and social impacts, especially for the world's poor who spend a large proportion of income on food.
In the next two to five years, the energy - efficient
production of
ethanol from cellulosic biomass such
as wheat and rice straw, hemp, flax, and corn stalks will become commercially viable.
Today 6.5 % of the world's grain is being used
as feedstock for global
ethanol production representing only one million barrels per day of the 85million barrels consumed daily.
«The biofuels researcher Timothy Searchinger has calculated that once the massive release of greenhouse gases cause by converting grassland and rainforest into cropland is taken into account, introduction of biofuels produces increases in greenhouse emissions, the size of the rise being
as much
as a doubling for corn
ethanol production,» Montford tells us.
(Sec. 1514) Directs the EPA Administrator to: (1) establish an Advanced Biofuel Technologies Program to demonstrate advanced technologies for the
production of alternative transportation fuels; (2) give priority to projects that enhance the geographical diversity of alternative fuels
production and utilize feedstocks that represent 10 % or less of domestic
ethanol or biodiesel fuel
production during the previous fiscal year; and (3) fund demonstration projects to develop conversion technologies for producing cellulosic biomass
ethanol, and for coproducing value - added bioproducts (such
as fertilizers, herbicides, and pesticides) resulting from biodiesel fuel
production.
When demand for corn
ethanol rose, so did corn prices,
as did the acres diverted to corn
production.
By - products of
ethanol production include distiller's grain, which is used
as a very low cost cattle feed, and also corn oil can be extracted, which can be converted into biodiesel.
Eligible CO2 sources include power plants that burn coal, natural gas, or oil and industrial facilities such
as petroleum refineries, oil and gas
production facilities, iron and steel mills, cement plants, fertilizer plants,
ethanol distilleries and chemical plants.
An
ethanol mandate that causes little economic harm when unemployment rates are low, corn
production is high, and China's demand for U.S. corn imports is low could inflict severe harm when the opposite conditions obtain —
as they do today.
Cellulosic
ethanol proponents have pushed the idea of using farm waste
as a way to boost biofuel
production without impacting food crops, but such conversion may carry a hidden cost in areas with insufficient rainfall or lacking irrigation, warns a soil scientist from Washington State University.
Such
as the allowing of the turning over of conservation areas to, in this case, corn growing for
ethanol production.
Wastewater
ethanol production — One of my clients produces
ethanol from waste cheese whey permeate
as a wastewater treatment option.
There are more emissions from the total Corn
Ethanol production sequence and use
as an alternative and additive to fossil fuels than if ordinary fossil originated fuels were just used to do the job.
Ethanol's use
as an oxygenate to control carbon monoxide emissions, encouraged increased
production of the fuel through the decade and into the 1990s.»
The new Nanjing Tech process uses acetoin — a novel C4 platform molecule derived from new ABE (acetoin — butanol —
ethanol)- type fermentation via metabolic engineering —
as a bio-based building block for the
production of the... Read more →