sweet potato as a bioenergy crop for fuel ethanol

Evaluation of sweet potato for fuel bioethanol production

Sep 30 2013A higher ratio than that for fresh sweet potato (1:2 2) did not improve the final ethanol concentration (100 g/L) and yields High ethanol yields were found for VHG (very high gravity) conditions The sweet potato used is an attractive raw matter for fuel ethanol since up to 4800 L ethanol per hectare can be obtained

Energy crop

Energy crops can also be grown to boost gas yields where feedstocks have a low energy content such as manures and spoiled grain It is estimated that the energy yield presently of bioenergy crops converted via silage to methane is about 2 GWh/km 2 (1 8 10 10 BTU/sq mi) annually Small mixed cropping enterprises with animals can use a

Sweet potato crop shows promise as fuel feed

"The CX-1 roots have higher starch content and thus higher potential for fuel ethanol yields than the table varieties " Mussoline said The study demonstrated CX-1's value as animal feed and promotes the industrial sweet potato crop as a dual-purpose crop that could be used for both fuel ethanol — from the starchy roots — and

Energy and budget balances for sweet potato

The sweet potato crop was sown in February 2012 under irrigated conditions considering that the average rainfall from March to October in Lavras a nearby municipality in the same state is 476 mm (Dantas et al 2007) and that the average water use in the crop

Ethanol study: Sweet potatoes can out

Sweet potato carbohydrate yields approach the lower limits of those produced by sugarcane the highest-yielding ethanol crop Another advantage for sweet potatoes and cassava is that they require less fertilizer and pesticide than corn according to lead researcher Lew Ziska a plant physiologist at the ARS Crops Systems and Global Change

Ethanol Crops

7 Sweet potato: Sweet potato (Ipomoea batatas) is a crop plant whose large starchy sweet-tasting tuberous roots are an important root vegetable The young leaves and shoots are sometimes eaten as greens The sweet potato is only distantly related to the potato (Solanum tuberosum) The sweet potatoes are sometimes called "yams"

An environmentally friendly and productive process for

Mar 02 2016China is the largest sweet potato producer and exporter in the world Sweet potato residues (SPRs) separated after extracting starch account for more than 10nbsp % of the total dry matter of sweet potatoes In China more than 2 million tons of SPRs cannot be utilized and the unutilized SPRs are perishable and result in environmental pollution Thus an environmentally friendly

An Environmental and Economic Evaluation of Pyrolysis for

Baldos found that the direct lifecycle GHG emissions of corn ethanol fuel can exceed the 20% GHG reduction requirement in the USA renewable fuel multiplied by an assumed crop (sweet potato) density of 38% 640 is a conversion factor for the number of acres The study also shows that when multiple bioenergy techniques such as ethanol

Research Finds Sweet Potato Potential as Food Fuel

Aug 08 2016The study demonstrated CX-1's value as animal feed and promotes the industrial sweet potato crop as a dual-purpose crop that could be used for both fuel ethanol — from the starchy roots — and nutritious animal feed — from the vines Although the use of sweet potatoes in the U S would be new it's already being used as a feedstock in

Acid hydrolysis of sweet potato for ethanol production

Studies were conducted to establish optimal conditions for the acid hydrolysis of sweet potato for maximal ethanol yield The starch contents of two sweet potato cultivars (Georgia Red and TG‐4) based on fresh weight were 21 1 0 6% and 27 5 1 6% respectively

Evaluation of sweet potato for fuel bioethanol production

The enzymatic starch hydrolysis and bioethanol production from a variety of sweet potato developed for bioenergy purposes (K 9807 1) on the basis of its high starch yields was studied Drying at 55C and 95C of sweet potato neither affected the sugar content nor the starch enzymatic hydrolysis efficiency Simultaneous saccharification and ethanol fermentations for dry matter ratio of sweet

Evaluation of sweet potato for fuel bioethanol production

The enzymatic starch hydrolysis and bioethanol production from a variety of sweet potato developed for bioenergy purposes (K 9807 1) on the basis of its high starch yields was studied Drying at 55C and 95C of sweet potato neither affected the sugar content nor the starch enzymatic hydrolysis efficiency Simultaneous saccharification and ethanol fermentations for dry matter ratio of sweet

Seaweed Bioethanol Production in Japan

bioenergy production potential comparable to that of land plants(Fig 1) farming large amount of seaweed as energy crop means the possessing a lower production rate compared to land crops Nonetheless ethanol production potential is high comparable to that of sugarcane since productivity per area is high Sweet potato 66 1% 31 5% 161

Sweet Potato as a Bioenergy Crop for Fuel Ethanol

Jan 01 2019There are several recent experimental studies of selection of sweet potato varieties as a bioenergy crop for fuel ethanol production In some countries there is a national program of sweet potato genetic improvement for bioenergy production that seeks to obtain varieties with high yields of dry biomass and starch (Vilar et al 2009)

An environmentally friendly and productive process for

Mar 02 2016China is the largest sweet potato producer and exporter in the world Sweet potato residues (SPRs) separated after extracting starch account for more than 10nbsp % of the total dry matter of sweet potatoes In China more than 2 million tons of SPRs cannot be utilized and the unutilized SPRs are perishable and result in environmental pollution Thus an environmentally friendly

Ethanol Crops

7 Sweet potato: Sweet potato (Ipomoea batatas) is a crop plant whose large starchy sweet-tasting tuberous roots are an important root vegetable The young leaves and shoots are sometimes eaten as greens The sweet potato is only distantly related to the potato (Solanum tuberosum) The sweet potatoes are sometimes called "yams"

Ethanol development in China

Sep 20 2016Instead of expanding corn-based ethanol production the focus turned towards encouraging non-grain-based ethanol using feedstock such as cassava and sweet sorghum China National Cereals Oils and Foodstuffs Corporation (COFCO) is one of the pioneering companies in Chinese ethanol industry

Sweet potato crop shows promise as fuel feed

"The CX-1 roots have higher starch content and thus higher potential for fuel ethanol yields than the table varieties " Mussoline said The study demonstrated CX-1's value as animal feed and promotes the industrial sweet potato crop as a dual-purpose crop that could be used for both fuel ethanol — from the starchy roots — and

Production of ethanol from tuberous plant (sweet potato

potentially greater fermentable sugar yields from a sweet potato crop for industrial conversion processes It has been reported that some industrial sweet potatoes breeding lines developed could produce ethanol yields of 4500 to 6500 L/ha compared to 2800 to 3800 L/ha for corn (Duvernay et al 2013 Ziska et al 2009) Sweet

Food and Fuel America: Sweet Potato Ethanol Sweet!

Aug 24 2008The sweet potato carbohydrate yields approached the lower limits of those produced by sugarcane the highest-yielding ethanol crop For the sweet potatoes carbohydrate production was 4 692 tons an acre in Alabama and 6 353 tons an acre in Maryland

Bioethanol Production from Food Crops

Sweet potato is one of the most important food crops which is used mainly to meet human nutritional needs Based on its low requirements for cultivation and high starch content sweet potatoes can be a promising raw material for the production of fuel ethanol

Research Finds Sweet Potato Potential as Food Fuel

Aug 08 2016The study demonstrated CX-1's value as animal feed and promotes the industrial sweet potato crop as a dual-purpose crop that could be used for both fuel ethanol — from the starchy roots — and nutritious animal feed — from the vines Although the use of sweet potatoes in the U S would be new it's already being used as a feedstock in

15 North Carolina bioenergy crop farming projects win

The North Carolina Bioenergy Research Initiative and the New and Emerging Crops Program recently awarded $1 million in grants for 15 projects aimed at boosting bioenergy opportunities and crop production in the state The Bioenergy Research Initiative began in 2013 after the North Carolina General Assembly allocated funding

Biomass Initiative Inventory in China ––

Fuel ethanol production in 2007 Energy Crop Resources in China For Ethanol: Sweet Sorghum Sugarcane Maize Wheat Sweet Potato Cassava For bio-diesel: Jatropha Oil Vegetable Cotton seed Coptistree Yellow horn Sweet sorghum Sweet sorghum stem 60

Evaluation of sweet potato for fuel bioethanol production

The enzymatic starch hydrolysis and bioethanol production from a variety of sweet potato developed for bioenergy purposes (K 9807 1) on the basis of its high starch yields was studied Drying at 55C and 95C of sweet potato neither affected the sugar content nor the starch enzymatic hydrolysis efficiency Simultaneous saccharification and ethanol fermentations for dry matter ratio of sweet