Integrated production of edible mushroom (Auricularia auricular-judae), fermentable sugar and solid biofuel

Chen, Feng (author): Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Skogens biomaterial och teknologi,Department of Forest Biomaterials and Technology

Grimm, Alejandro (author): Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Skogens biomaterial och teknologi,Department of Forest Biomaterials and Technology

Eilertsen, Lill (author): Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig genetik och växtfysiologi,Skogens biomaterial och teknologi,Department of Forest Genetics and Plant Physiology,Department of Forest Biomaterials and Technology

Arshadi, Mehrdad (author): Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Skogens biomaterial och teknologi,Department of Forest Biomaterials and Technology

Xiong, Shaojun (author): Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Skogens biomaterial och teknologi,Department of Forest Biomaterials and Technology,Beijing Normal University

(creator_code:org_t)

Elsevier, 2021
2021
English.
In: Renewable energy. - : Elsevier. - 0960-1481 .- 1879-0682. ; 170, s. 172-180

Related links:: https://doi.org/10.1...; show more...; https://urn.kb.se/re...; https://doi.org/10.1...; https://res.slu.se/i...; show less...

Abstract Subject headings

This study aimed to develop an energy- and resource-efficient process for the coproduction of edible mushroom, fermentable sugar and solid biofuel from wood residues. A promising potential was revealed for wood ear fungus (Auricularia auricular-judae), which yielded about 200 g mushroom per kg dry birch-based substrate, with concomitant degradation of 76.8 and 85.7% of lignin and xylan, respectively, in the substrate. Substrate pasteurisation by hot-air (85–100 °C) was as effective as by energy intensive autoclaving (121 °C), resulting comparable mushroom growth and degradation of lignocellulose. The spent mushroom substrate (SMS) contained 28–33% glucan, which upon analytical enzymatic saccharification released around 46% of the potentially-achievable glucose, corresponding to a 2.3–fold enzymatic digestibility compared with that of the raw substrate. The solid leftover generated after enzymatic hydrolysis revealed high thermal energy value and promising combustion characteristics, showing a plausibility to be recycled as solid fuel for self-supporting energy system and space heating.

By the author/editor: Chen, Feng; Grimm, Alejandro; Eilertsen, Lill; Martin, Carlos; Arshadi, Mehrdad; Xiong, Shaojun

About the subject

ENGINEERING AND TECHNOLOGY: ENGINEERING AND ...; and Industrial Biote ...; and Bioenergy

AGRICULTURAL SCIENCES: AGRICULTURAL SCI ...; and Other Agricultur ...; and Renewable Bioene ...

By the university: Umeå University; Swedish University of Agricultural Sciences

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