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首页> 外文期刊>Renewable energy >Synergies from co-digesting grass or clover silages with cattle slurry in in vitro batch anaerobic digestion
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Synergies from co-digesting grass or clover silages with cattle slurry in in vitro batch anaerobic digestion

机译：在体外分批厌氧消化中共同消化草或三叶草青贮饲料与牛粪浆的协同作用

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摘要

Co-digestion of forage silage with cattle slurry can greatly extend the stability of methanogenesis as compared to mono-digestion of the silage. Biogas and methane yields of the mixtures of perennial ryegrass silage (grass harvested at two growth stages i.e. stem elongation vs. floral development) with cattle slurry and of red clover silage (clover harvested at two growth stages i.e. mid-vegetative vs. early seed-pod development) with cattle slurry were measured, and synergistic effects were investigated. Silage and slurry were incubated as sole substrates or as part of binary mixtures (forage silage:cattle slurry ratios of 1:0, 0.75:0.25, 0.5:0.5, 0.25:0.75 and 0:1 on a volatile solid basis). The maximum measured synergistic effects for perennial ryegrass silages with cattle slurry and red clover silages with cattle slurry were observed at 0.75:0.25 and 0.5:0.5 (forage silge:cattle slurry), respectively. The forage silage:cattle slurry ratio to produce the maximum synergistic effects differed with the forage species ensiled and its growth stage when harvested. (C) 2018 Elsevier Ltd. All rights reserved.
机译：与单消化青贮饲料相比，饲料青贮饲料与牛粪便的共消化可以大大延长产甲烷的稳定性。多年生黑麦草青贮饲料（在两个生长阶段收获的草，即茎伸长vs.花发育）与牛粪和红三叶草青贮饲料（三叶草收获在两个生长阶段，即中营养vs.早期种子）的混合物的沼气和甲烷产量测量了牛粪的豆荚发育），并研究了协同效应。将青贮饲料和淤浆作为唯一的底物或作为二元混合物的一部分进行孵育（青贮饲料：牛的淤浆比例以挥发性固体计为1：0、0.75：0.25、0.5：0.5、0.25：0.75和0：1）。分别在0.75：0.25和0.5：0.5（草料残渣：牛粪浆）下观察到了多年生黑麦草青贮牛浆和红三叶草青贮牛的最大协同效应。产生最大协同效应的青贮饲料：牛粪的比率随青贮饲料的种类及其收获时的生长阶段而不同。 （C）2018 Elsevier Ltd.保留所有权利。

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  • 来源
    《Renewable energy》 |2018年第11期|474-480|共7页
  • 作者

    Himanshu H.; Murphy J. D.; Grant J.; OKiely P.;

  • 作者单位

    TEAGASC, Anim & Grassland Res & Innovat Ctr, Dunsany, Meath, Ireland;

    Univ Coll Cork, Environm Res Inst, Sci Fdn Ireland SFI MaREI Ctr, Cork, Ireland;

    Teagasc Food Res Ctr, Dublin 15, Ireland;

    TEAGASC, Anim & Grassland Res & Innovat Ctr, Dunsany, Meath, Ireland;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Co-digestion; Synergy; Silage; Slurry;

    机译：共消化协同淤浆泥浆;

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