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Recent advances on ammonia-based pretreatments of lignocellulosic biomass

Open access
Zhao, Chao, Shao, Qianjun, Chundawat, Shishir P.S.·2020·Bioresource Technology

Abstract

Ammonia-based pretreatments have been extensively studied in the last decade as one of the leading pretreatment technologies for lignocellulose biorefining. Here, we discuss the key features and compare performances of several leading ammonia-based pretreatments (e.g., soaking in aqueous ammonia or SAA, ammonia recycled percolation or ARP, ammonia fiber expansion or AFEX, and extractive ammonia or EA). We provide detailed insight into the distinct physicochemical mechanisms employed during ammonia-based pretreatments and its impact on downstream bioprocesses (e.g., enzymatic saccharification); such as modification of cellulose crystallinity, lignin/hemicellulose structure, and other ultrastructural changes such as cell wall porosity. Lastly, a brief overview of process technoeconomics and environmental impacts are discussed, along with recommendations for future areas of research on ammonia-based pretreatments.

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Crossref · 10.1016/j.biortech.2019.122446

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Metadata

Authors
Zhao, C., Shao, Q., & Chundawat, S. P. S.
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2020-02
Volume
298
Pages
122446
ISSN
0960-8524 (ISSN-L)
OpenAlex
W2990704317
Cited by
197
References
7
FWCI
6.97
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Recent advances on ammonia-based pretreatments of lignocellulosic biomass. https://app.cochat.ai/papers/10.1016/j.biortech.2019.122446
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Zhao, C., Shao, Q., & Chundawat, S. P. S. (2020). Recent advances on ammonia-based pretreatments of lignocellulosic biomass. Bioresource Technology. https://doi.org/10.1016/j.biortech.2019.122446

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