A new genus of cellulolytic, gram-negative, nonsporeforming, anaerobic bacteria is described. The colonies produced by these bacteria on cellulose agar were round, clear, translucent, and cream-colored and had an undulate margin. Single cells of the bacterium were straight to slightly curved rods 0.5 to 0.8 μm wide by 4 to 10 μm long and were motile by means of a single flagellum located one-third of the distance from the end of the cell. Among the various substrates tested, only cellulose, cellobiose, and salicin were able to support growth. The major fermentation products of cellobiose or cellulose degradation were acetic acid, hydrogen, and carbon dioxide. The deoxyribonucleic acid base composition of the type species was 38 mol% guanine plus cytosine. The name Acetivibrio is proposed for this new genus, which is placed in the family Bacteroidaceae. The type species, Acetivibrio cellulolyticus sp. nov., is named on the basis of its cellulolytic activity. The type strain of A. cellulolyticus is CD2
Treated wastewater effluent could be a viable alternative to potable freshwater for cellulosic ethanol production, according to a study by the University of Illinois Urbana-Champaign. The study, Use of Treated Effluent Water in Cellulosic Ethanol Production, was funded in part by the Illinois Sustainable Technology Center.. The use of non-food cellulosic feedstock for ethanol fuel production has a number of advantages, including lowering greenhouse gas emissions and reducing cost pressure on food and feed markets, the study says. Drought-resistant cellulosic feedstock also can be grown on land unsuitable for row crops.. However, cellulosic ethanol plants consume large amounts of water. Dry grind ethanol plants currently use around three to four gallons of water per gallon of ethanol produced, whereas cellulosic ethanol plants are estimated to consume around six to 10 gallons of water per gallon of ethanol produced, the study says.. The study evaluated the effects of two different types of ...
The Technology Behind Cellulosic Ethanol:Qteros primary focus when it comes to cellulosic ethanol production is on the Q Microbe, a super-bug microorganism that consumes plant and tree waste and converts these waste products into clean transportation fuel relatively simply. Traditional approaches to cellulosic biomass require intensive pretreatments using enzymes that break down the biomass into simple sugars. These enzymes and pretreatment are the largest cost contributor to cellulosic ethanol production. The Q Microbe, however, breaks down a wide variety of plant materials including corn residues, cane bagasse, woody biomass and cellulose waste, and produces ethanol from its own enzymes. This process reduces overall process time, saves money in pretreatment and eliminates the need to produce ethanol from essential food resources.. ...
A new genus of cellulolytic, gram-negative, nonsporeforming, anaerobic bacteria is described. The colonies produced by these bacteria on cellulose agar were round, clear, translucent, and cream-colored and had an undulate margin. Single cells of the bacterium were straight to slightly curved rods 0.5 to 0.8 μm wide by 4 to 10 μm long and were motile by means of a single flagellum located one-third of the distance from the end of the cell. Among the various substrates tested, only cellulose, cellobiose, and salicin were able to support growth. The major fermentation products of cellobiose or cellulose degradation were acetic acid, hydrogen, and carbon dioxide. The deoxyribonucleic acid base composition of the type species was 38 mol% guanine plus cytosine. The name Acetivibrio is proposed for this new genus, which is placed in the family Bacteroidaceae. The type species, Acetivibrio cellulolyticus sp. nov., is named on the basis of its cellulolytic activity. The type strain of A. cellulolyticus is CD2
Republican presidential candidate and former U.S. Senator Rick Santorum visited the site of the first commercial cellulosic ethanol production in the state of Iowa at Quad County Corn Processors (QCCP) Friday.. One of the things thats helped rural small towns and farmers, particularly in Iowa, is the Renewable Fuel Standard, said Santorum, who met with met with plant representatives, including QCCP CEO Delayne Johnson, who share how they recently passed the two-million gallon milestone for cellulosic ethanol production using Syngentas Cellerate™ process technology. We are excited to have achieved our goal of producing 2 million gallons per year of cellulosic ethanol, and are on target to continue, or increase, this production level going forward, Johnson said. Were now focusing on growing alliances and relationships within the industry.. During 2014, QCCP achieved EPA certification to generate D3 Renewable Identification Numbers (RINs) for cellulosic ethanol. According to Johnson, the ...
Cellulosomes known as the proficient nanomachine in nature are cell bound multi-enzyme complexes that break down cellulose and hemicelluloses. They are very important in the process of carbon turnover. The cellulosome complexes require highly ordered proteins (the interactions between cohesions and dockerins) to assembly cellulases and hemicellulases into a scaffold structure. The protein interactions between cohesion and dockerin play an important role in cellulosome assembly and the attachment of cellulosome to the surface of cells while remaining flexible to provide a stable catalytic synergy.. One function of cellulosomes is breaking down plants structural polysaccharides. It is hypothesize that the constraints of the cellulosomes system created by bacteria and fungi caused the deconstruction of plant cell wall to become more and more efficient. The splicing of the plant-cell wall involves the addition of enzymes on to a macromolecule complex will increase the effectiveness of the ...
We report the single-contig genome sequence of the anaerobic, mesophilic, cellulolytic bacterium, Bacteroides cellulosolvens. The bacterium produces a particularly elaborate cellulosome system, whereas the types of cohesin-dockerin interactions are opposite of other known cellulosome systems: cell-surface attachment is thus mediated via type-I interactions whereas enzymes are integrated via type-II interactions. ...
The 2018 Gordon Research Seminar on Cellulosomes, Cellulases and Other Carbohydrate Modifying Enzymes (GRS) will be held in Andover, NH. Apply today to reserve your spot.
Downloadable! The U.S. biofuel industry is striving to produce ethanol from cellulosic feedstock sources in an effort to augment its existing corn grain-based ethanol production infrastructure. Technology to commercially produce cellulosic ethanol is rapidly advancing due in large part to the availability of substancial federal research and development funding. At the moment, several firms have pilot scale cellulosic ethanol production facilities under construction and testing. The transition from pilot scale to full commercialization of cellulosic ethanol will be difficult, due in large part financial constraints being imposed both internally and externally on the biofuels industry. This paper provides an overview of the biofuel industrys current financial setting and describes future challenges it faces in attempting to expand. These challenges are rooted in lack of industry capital, limited availability of performance benchmarks, concerns regarding future prospects of the industry, and general
Over the first year of operations of its pilot-scale cellulosic ethanol plant in South Dakota (earlier post), POET has reduced its per gallon production cost from $4.13 to $2.35, exceeding its expectations. Cost reduction came via reductions in energy usage, enzyme costs, raw material requirements and capital expenses. The pilot...
Pacific Ethanol Inc (NASDAQ:PEIX), a leading producer and marketer of low-carbon renewable fuels in the United States, announced the U.S. Environmental
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Waiting for the cellulosic ethanol industry to move into commercial production is like watching grass grow. This morning cellulosic ethanol developer Coskata
A recent ORNL story tip features our simulations on the characterization of the temperature dependence of the structure and dynamics of lignin polymers. The detailed characterization obtained provides insight, at the atomic level, both into processes relevant to biomass pretreatment for cellulosic ethanol production and general polymer coil-globule transition phenomena.. Read on: ORNL. ...
President George W. Bush is escorted on a tour of the fermentation room by David Pace at Novozymes North America, Inc., Thursday, Feb. 22, 2007 in Franklinton, N.C., where cellulosic ethanol is being produced from bio mass materials. White House photo by Paul Morse ...
Roughly a year after it first announced plans to sell its cellulosic ethanol plant, DuPont Industrial Biosciences has reached an agreement to sell the facility to the U.S. subsidiary of German bioenergy producer Verbio Vereinigte BioEnergie AG.
Shengquan is investing $100 million to produce cellulosic ethanol. Novozymes will supply the enabling enzyme technology. The two companies will sign the final agreement Friday during Hu Jintaos visit to Denmark.
At the 4th Annual World Congress on Industrial Biotechnology and Bioprocessing in Orlando, Fla., Novozymes today introduced a five-step strategy to achieve economically viable cellulosic ethanol.
The cellulosome is a macromolecular machine, whose components interact in a synergistic manner to catalyze the efficient degradation of cellulose. The cellulosome complex is composed of numerous kinds of cellulases and related enzyme subunits, which are assembled into the complex by virtue of a uniq …
Found an interesting article on the subject. Lots of detail, havent made it all the way through yet. Turning grass into gas - Salon.com
Daily objective reports on advanced clean transportation technologies, cars, green transportation, energy, issues and policies related to sustainable mobility.
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Three new U.S. DOE-funded research centers will house multidisciplinary teams of scientists from across the country with the aim of coordinating the basic research needed to accelerate the promise of cellulosic ethanol as a renewable, sustainable, secure and cost-competitive biofuel.
WASHINGTON, D.C., Sept. 13, 2017 -- Converting fibrous plant waste, like corn stalks and wood shavings, into fermentable simple sugars for the production of biofuel is no simple process. Bacteria must break down tough leaves, stems and other cellulosic matter resistant to degradation to turn them into usable energy.. Helping bacteria become more efficient in this process could result in more affordable biofuels for our gas tanks and sustainable products such as bioplastics. One way to achieve this goal is to re-engineer the bacterial enzyme complexes, called cellulosomes, which serve as catalysts in the degradation process. In an effort to produce these so-called designer cellulosomes, the international research consortium CellulosomePlus is developing methods to enhance the efficiency of this complex engineering process to make it economically feasible and effective. Consortium researchers from Spain, Poland and Ireland reported their findings for one method recently in The Journal of Chemical ...
On July 31, 2013, INEOS Bio, a bioenergy company, announced that its Florida facility became the world pioneer in producing commercial-scale cellulosic ethanol. Ethanol, or ethyl alcohol, is a renewable fuel resulting from fermenting plant-based materials. INEOS Bio produces cellulosic ethanol using vegetative and yard waste. Despite the flurry that accompanied last Julys event, Brazil is still regarded as the country that implemented the most successful ethanol industry in the world -the sugarcane ethanol industry. In the United States, the ethanol industry touches on two critical areas. First, ethanol can be used as motor fuel, and it is no secret that the United States relies on motor fuel. Second, the nations reliance on motor fuel, especially gasoline, raises significant environmental concerns, notably, greenhouse gas (GHG) emissions. Thus, given the recent advancements in ethanol production, and the critical areas that ethanol touches on, an issue emerges as to whether Brazils ethanol ...
Building a Sustainable Regional Eco System for Green Technologies: Case of Cellulosic Ethanol in Oregon: 10.4018/978-1-4666-3886-0.ch049: This chapter begins with a brief overview of the environmental and policy drivers for cellulosic ethanol, and a description of the basic technology behind it.
This report provides information on (1) the availability of biomass, (2) potential for cellulosic ethanol production in California, and (3) federal and state policies that support the use of biomass, particularly for ethanol production. There is a large amount of biomass in California. Nearly 90 million tons of biomass (agricultural residues, forest materials, and municipal waste) are produced annually in California, and 30 to 40 million tons are estimated to be technically feasible to collect and use in producing renewable electricity, fuels, and biomass-based products. According to energy experts, there is enough biomass to support the production of as much as 1.5 billion gallons of ethanol per year. However, the cellulosic ethanol industry faces challenges related to biomass collection, costs, price variability, competition from Midwest corn based ethanol industry, mitigating environmental effects, and the need of more efficient technologies for the processing of biomass to ethanol ...
Pacific Ethanol to add Edeniq Cellunator and Pathway technologies at its Madera ethanol plant, bringing cellulosic ethanol production to a second facility.
Edeniq Inc. recently announced that the U.S. EPA has approved Flint Hills Resources registration of its 100 million gallons per year Iowa Falls, Iowa, ethanol plant for cellulosic ethanol production.
The cellulosic ethanol industry is at a critical development stage: there are technology developers who are taking stock of the lessons learnt during the development of their first plants, and several more are constructing or planning their first plant.. This report develops two deployment scenarios for the EU based on detailed bottom up assumptions on the number of technology developers, plant development timelines, plant capacity, utilisation rates, the rate at which new projects can be initiated, and takes into consideration the availability of project finance. It also considers at what cost cellulosic ethanol could be produced.. The two scenarios (which assume a favourable policy environment) see total EU production capacity for cellulosic ethanol increase from 31 million litres in 2017 to 2.75 billion litres in 2030 in the central scenario, and 3.8 billion litres in the more ambitious scenario. Depending on EU energy demand in 2030, this could equate to a 4-5.6% blend of cellulosic ethanol ...
Cellulosic ethanol is fast becoming the preferred type of ethanol production. Vecoplan provides systems for the biorefining industry.
This off-take agreement is a significant step forward for BlueFire. It provides immediate revenue once our plant is on-line. Also, it will move BlueFire closer to a debt financing agreement with the Department of Energy and U.S. Department of Agriculture, stated Arnold Klann, CEO of BlueFire Renewables, Inc. This is one of the first cellulosic ethanol contracts of its kind in the United States establishing BlueFire as a clear leader in the industry ...
Acidothermus cellulolyticus ATCC ® 43068D-5™ Designation: Genomic DNA from Acidothermus cellulolyticus strain 11B TypeStrain=True Application:
As a member of the Senate Agriculture Committee, Senator Thune also authored the Biofuels Innovation Program, which is included in the Senate-passed Farm Bill and the House-passed Farm bill. This new program would jumpstart the cellulosic ethanol industry by providing incentives for the production of energy-dedicated crops. Although energy dedicated crops such as switchgrass hold tremendous potential, these crops take one to two years to establish. Senator Thunes program would pay producers for growing these crops while a local biorefinery is being constructed. After the biorefinery is operational, this program would provide a temporary producer payment for the transportation, harvest, and storage of the energy-dedicated crop ...
Cellulosic ethanol, a fuel produced from the stalks and stems of plants (rather than only from sugars and starches, as with corn ethanol), is starting to take root in the United States. This month, Celunol, based in Cambridge, MA, broke ground on an ethanol plant in Louisiana that will be able to produce 1.4 million…
​Imagine powering a plane or car with fuels made from grasses, wood, or other plant residues. This type of fuel, called cellulosic ethanol, has the potential to be a major source of renewable fuel for Americas transportation fleets.
Clariant, a world leader in specialty chemicals, announced the approval by the Board of Directors to invest in a new full-scale commercial plant for the production of cellulosic ethanol from agricultural residues using its sunliquid® technology. The new plant, with an annual production capacity ...
KBR says it has been awarded a contract by DuPont for engineering and procurement services for DuPonts previously announced cellulosic ethanol plant at Nevada, IA. KBR will provide front-end...
USDA scientists have discovered a gene that essentially keeps switchgrass in its juvenile form - and they say it could have far-reaching implications for the development of the plant as a biofuel crop. The insertion of a specific gene from corn - called corngrass - into switchgrass keeps the perennial grass from flowering, producing seeds and from having a dormant growth phase. As a result of those changes - the sugars making up the plant starch are more readily available for conversion into cellulosic ethanol ...
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While the corn ethanol bubble has pretty much popped, serious efforts to find an economically sound and carbon-smart biological-based fuel continue. ...
The idea of producing plentiful amounts of ethanol from materials such as switchgrass and wood scraps has successfully emerged from the laboratory, but challenges lie ahead.
Today the EPA announced its proposed 2012 Renewable Fuel Standard requirements: The Energy Independence and Security Act of 2007 (EISA) established the annual
Global (North America, Europe and Asia-Pacific, South America, Middle East and Africa) Foundry Binder Market 2017 Forecast to 2022. This report studies the Foundry Binders market, from angles of players, regions, product types and end industries, to analyze the status and the future. This report covered the Organic Binder and Inorganic Binder. Scope of the Report: This report focuses on the Foundry Binder in Global market, especially in North America, Europe and .... January 2018 , $4880 ,View Details>> ...
The enigmatically named Q Microbe, under development by SunEthanol Inc., has attracted the attention of major ethanol producer VeraSun Energy, putting it at the forefront of technology for co-called cellulosic ethanol, which is expected to replace corn as the main source of alternative fuel in the United States.
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