Collaborative Research: Ethanol Plants to Produce Animal Feeds --- Whole Conversion of Corn and Residue to Support Biofuel and Feed Production

合作研究:生产动物饲料的乙醇工厂——玉米和残渣的整体转化以支持生物燃料和饲料生产

基本信息

  • 批准号:
    1804702
  • 负责人:
  • 金额:
    $ 50万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2018
  • 资助国家:
    美国
  • 起止时间:
    2018-09-01 至 2022-08-31
  • 项目状态:
    已结题

项目摘要

The Food-Energy-Water (FEW) Nexus, from a global perspective, can be described as the interconnected resource systems of food, energy, and water. As the world's population expands to the expected 9 billion by 2050, there will be a need to balance difference resources across these three systems to obtain different user goals without putting undue strain on the ecosystems that provide these resources. The goal of this project is to develop FEW Nexus solutions for regions where bioenergy crop production competes with animal feed production for land, water, and energy sources. Due to the increased demand for ethanol from corn production, there is less land for animal feed production. Farmers will often use distiller's dried grains with other grain waste products to supplement animal diets. However, this feed is not digested efficiently by swine and poultry, leading to wasted nutrients and nutrient run-off to surface waters. The Hu research group at the University of Minnesota - Twin Cities, in collaboration with Chinese partners at the Dalian University of Technology, Guangxi University, Beijing Technology and Business University, and Beijing Normal University, propose to develop a fungal fermentation step during corn-ethanol processing to convert corn stillage, along with other agricultural residues, to animal feed that can be better utilized by swine and poultry. This step will ultimately reduce energy costs for the corn-ethanol production process and mitigate impacts to the interconnected FEW systems of bioenergy production and animal feed production. By testing various agricultural residues, the researchers will identify different opportunities for nutrient enhancement for swine and poultry feed which will lead to more efficient digestion by these animals and reduce nutrient run-off from incompletely digested feed.Through the whole conversion of corn and selected agricultural residues, the principal investigator's research group, in collaboration with 4 Chinese universities, will support both the biofuel and feed production industries in interconnected food-energy-water (FEW) systems. Livestock with monogastric diets are typically fed with corn stillage, a by-product of the corn-ethanol fermentation process to reduce the cost of ethanol production. While suitable as feed for monogastric livestock, this stillage is not easy to digest. The inefficiency of stillage digestion leads lower nutrient uptake by livestock and, subsequently, the increase of nutrient run-off from animal waste. The researchers plan to study methods to improve the digestibility of this feed through fungal fermentation of this stillage, along with other residues such as rapeseed meal, during integration with corn ethanol production. First, they will evaluate the digestion efficiency of these co-products in comparison to traditional diets of corn-soybean meal and untreated corn-stillage diets to determine the best combinations of stillage and residues. Once the optimized feed mixture(s) is/are identified, life cycle analyses and techno-economic analyses will be used to identify the potential economic and environmental impacts of the new diets from synthesis to digestion and waste treatment. The research could benefit bioenergy production in both the US and China by lowering the cost and the environmental impact of corn ethanol production through the development of a higher-value byproduct of corn ethanol fermentation. The researchers plan to engage the Hmong community, an underrepresented Asian community, through community outreach, high school programs, and summer camps designed to inform these stakeholders of ways to increase their corn ethanol production income while benefiting the environment and reducing strain on the local FEW Nexus.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
从全球角度来看,粮食-能源-水(FEW)关系可以被描述为粮食、能源和水的相互关联的资源系统。 随着世界人口到2050年预计将增至90亿,将需要平衡这三个系统的不同资源,以实现不同的用户目标,同时又不对提供这些资源的生态系统造成过度压力。该项目的目标是为生物能源作物生产与动物饲料生产竞争土地,水和能源的地区开发FEW Nexus解决方案。由于玉米生产对乙醇的需求增加,用于动物饲料生产的土地减少。农民经常使用干酒糟和其他谷物废料来补充动物饲料。然而,这种饲料不能被猪和家禽有效消化,导致营养物浪费和营养物流失到地表沃茨。明尼苏达大学双城分校的Hu研究小组与大连理工大学、广西大学、北京工商大学和北京师范大学的中国合作伙伴合作,提出在玉米乙醇加工过程中开发真菌发酵步骤,将玉米酒糟沿着其他农业残留物转化为动物饲料,可以更好地被猪和家禽利用。这一步骤将最终降低玉米乙醇生产过程的能源成本,并减轻对生物能源生产和动物饲料生产相互关联的FEW系统的影响。通过测试各种农业残留物,研究人员将确定猪和家禽饲料营养增强的不同机会,这将导致这些动物更有效地消化,并减少不完全消化饲料的营养流失。通过玉米和选定的农业残留物的整体转化,首席研究员的研究小组与四所中国大学合作,将在相互关联的食品-能源-水(FEW)系统中支持生物燃料和饲料生产行业。单胃饲料的牲畜通常用玉米酒糟喂养,玉米酒糟是玉米乙醇发酵过程的副产品,以降低乙醇生产的成本。虽然适合作为单胃牲畜的饲料,但这种酒糟不容易消化。酒糟消化的效率低下导致牲畜对营养物质的吸收降低,从而增加了动物粪便中营养物质的流失。 研究人员计划研究通过真菌发酵这种酒糟,沿着其他残留物如菜籽粕,在与玉米乙醇生产的整合过程中提高这种饲料的消化率的方法。首先,他们将评估这些副产品的消化效率,与传统的玉米-豆粕饮食和未处理的玉米-酒糟饮食进行比较,以确定酒糟和残留物的最佳组合。一旦确定了优化的饲料混合物,将使用生命周期分析和技术经济分析来确定新饲料从合成到消化和废物处理的潜在经济和环境影响。 这项研究可以通过开发玉米乙醇发酵的高价值副产品来降低玉米乙醇生产的成本和环境影响,从而使美国和中国的生物能源生产受益。 研究人员计划通过社区外展、高中项目,该奖项反映了NSF的法定使命,并通过使用基金会的知识产权进行评估,被认为是值得支持的。优点和更广泛的影响审查标准。

项目成果

期刊论文数量(8)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Mixotrophic growth regime of novel strain Scenedesmus sp. DDVG I in municipal wastewater for concomitant bioremediation and valorization of biomass
  • DOI:
    10.1016/j.jclepro.2022.132834
  • 发表时间:
    2022-09-10
  • 期刊:
  • 影响因子:
    11.1
  • 作者:
    Devi, Nongmaithem Debeni;Sun, Xiao;Hu, Bo
  • 通讯作者:
    Hu, Bo
Feeding value improvement by co-fermentation of corn-ethanol co-product and agro-industrial residues with Rhizopus oryzae
  • DOI:
    10.1016/j.procbio.2021.10.029
  • 发表时间:
    2021-10-30
  • 期刊:
  • 影响因子:
    4.4
  • 作者:
    Sun, Xiao;Chen, Yan;Hu, Bo
  • 通讯作者:
    Hu, Bo
La mejora del valor nutricional de los subproductos de soja y maíz
大豆和玉米副产品的营养价值
Feeding value improvement of corn-ethanol co-product and soybean hull by fungal fermentation: Fiber degradation and digestibility improvement
  • DOI:
    10.1016/j.fbp.2021.09.013
  • 发表时间:
    2021-11
  • 期刊:
  • 影响因子:
    4.6
  • 作者:
    Xiao Sun;Nongmaithem Debeni Devi;P. Urriola;D. Tiffany;Jae-Cheol Jang;Gerald G. Shurson;Bo Hu
  • 通讯作者:
    Xiao Sun;Nongmaithem Debeni Devi;P. Urriola;D. Tiffany;Jae-Cheol Jang;Gerald G. Shurson;Bo Hu
Nutrition upgrading of corn-ethanol co-product by fungal fermentation: Amino acids enrichment and anti-nutritional factors degradation
  • DOI:
    10.1016/j.fbp.2021.09.004
  • 发表时间:
    2021-09
  • 期刊:
  • 影响因子:
    4.6
  • 作者:
    Xiao Sun;D. Tiffany;P. Urriola;Gerald G. Shurson;Bo Hu
  • 通讯作者:
    Xiao Sun;D. Tiffany;P. Urriola;Gerald G. Shurson;Bo Hu
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Bo Hu其他文献

Numerical simulation of flow instability in a circular tube under pulse heating condition
脉冲加热条件下圆管内流动不稳定性数值模拟
Event-based Fast Visual-Inertial Odometry by Adaptive Slicing of Time Surface
基于时间表面自适应切片的基于事件的快速视觉惯性里程计
Arbuscular mycorrhizal symbiosis in constructed wetlands with different substrates: Effects on the phytoremediation of ibuprofen and diclofenac.
不同基质人工湿地中丛枝菌根共生:对布洛芬和双氯芬酸植物修复的影响。
A novel nonhomologous recombination-mediated mechanism forem Escherichia col/emi unilateral flagellar phase variation
一种新颖的非同源重组介导机制
  • DOI:
  • 发表时间:
    2012
  • 期刊:
  • 影响因子:
    14.9
  • 作者:
    Bin Liu;Bo Hu;Zhemin Zhou;Dan Guo;Xi Guo;Peng Ding;Lu Feng;Lei Wang
  • 通讯作者:
    Lei Wang
The Information Flow Foundation for Fusing Inferences
融合推理的信息流基础
  • DOI:
  • 发表时间:
    2006
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Bo Hu
  • 通讯作者:
    Bo Hu

Bo Hu的其他文献

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