Basic research on utilization of stillage for biogas production

FU Shanfei; XU Xiaohui; SHI Xiaoshuang; WANG Chuanshui; QIAO Jiangtao; YANG Zhiman; GUO Rongbo

doi:10.3969/j.issn.0438-1157.2014.05.051

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Basic research on utilization of stillage for biogas production

更新时间：2025-12-10

- Basic research on utilization of stillage for biogas production
- CIESC Journal Issue 5, (2014)
- 作者机构：
  
  1. 中国科学院青岛生物能源与过程研究所,山东,青岛,266101
  2. 中国科学院大学,北京,100049
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.05.051
  CLC： 705
- Online First：05 May 2014，
  
  Published：05 May 2014
- 稿件说明：
移动端阅览
FU Shanfei, XU Xiaohui, SHI Xiaoshuang, et al. Basic research on utilization of stillage for biogas production[J]. CIESC Journal, 2014, (5).
DOI：

FU Shanfei, XU Xiaohui, SHI Xiaoshuang, et al. Basic research on utilization of stillage for biogas production[J]. CIESC Journal, 2014, (5). DOI： 10.3969/j.issn.0438-1157.2014.05.051.

摘要

酒糟是酒精工业和酿酒工业的废弃物，通过厌氧发酵不仅可以解决酒糟废弃物污染的问题，还可以提供能源，并且经厌氧发酵后的沼液、沼渣还可以用作生物肥。开展了中温（37℃）条件下的酒糟厌氧发酵产生沼气研究，并分析了厌氧发酵前后物料组成变化及酒糟沼液作为生物液态肥的可行性。结果表明：四种酒糟的沼气产量从高到低依次为玉米燃料乙醇酒糟、酱香型白酒酒糟、浓香型白酒酒糟、木薯燃料乙醇酒糟，对应的产气量分别为607.4、578.7、434.2、122.3 ml·g-1（以VS计）；各酒糟厌氧发酵产沼气的甲烷体积分数均在60%～70%之间；酒糟的沼气产量与其VS降解率呈正比；酒糟发酵液各元素及离子含量符合生物液态肥标准，是一种很好的生物液态肥原料。

Abstract

Anaerobic digestion of stillage residue from the ethanol and wine industry is a promising method to provide energy and reduce waste. In addition

biogas slurry and biogas residue can be used as biological fertilizer after anaerobic digestion. In this study

anaerobic digestion of stillage was tested at medium temperature

meanwhile

the element changes and the feasibility of biogas slurry used as biological liquid fertilizer were investigated. The cumulative biogas yields from corn ethanol stillage

Maotai-flavor stillage

Luzhou-flavor stillage and cassava fuel ethanol stillage were 607.4

578.7

434.2

122.3 ml·g-1(based on VS)

respectively. The methane contents of biogas ranged from 60% to 70%. The biogas potential of stillage was proportional to degradation of substrates. The ions content of biogas slurry was in the range of the standard of biological liquid fertilizer.

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