厌氧消化
沼气
生物燃料
沼气生产
制浆造纸工业
水解
基质(水族馆)
生物柴油生产
无氧运动
生物柴油
生化工程
生物能源
降级(电信)
化学
甲烷
废物管理
生物化学
计算机科学
工程类
有机化学
生物
催化作用
电信
生理学
生态学
作者
Cristina González‐Fernández,Rudolphus Antonius Timmers,B. Ruíz,Beatriz Molinuevo-Salces
出处
期刊:Biofuels and biorefineries
日期:2014-11-25
卷期号:: 209-242
被引量:7
标识
DOI:10.1007/978-94-017-9624-8_8
摘要
Among the biofuel production processes using different substrates, the biogasBiogas generation process is one of the simplest. Compared with bioethanolBioethanol or biodiesel productionBiodiesel production processes, anaerobic digestionDigestion Anaerobic Anaerobic digestion is a process where all the organic matter (carbohydratesCarbohydrate , lipidsLipids and proteins) can be biologically degraded for methane production. BiologicalBiological degradations of those polymeric substrates are carried out by several enzymes during the first stage of hydrolysis. Nevertheless, due to the substrates physical state, microbial degradation is frequently hampered. Substrate pretreatment enhances the performance of anaerobic digestion by improving the bioavailabilityBioavailability of the substrate for anaerobic digestion and thus accelerating the hydrolysis step. Appropriate methods are currently under development in order to increase accessibilityEnzyme accessibility of the enzymes to the materials and therefore optimise the ultimate methaneMethane production. The present chapter is dedicated to providing a review of ultrasound pretreatment applied to different substrates (lignocelullosic materials, manuresManure , sludgeSludge and microalgae). The advantages and constraints, that ultrasound pretreatment exhibit towards biogas production, are discussed and compared with other pretreatment methods.
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