A holistic approach for food waste management towards zero-solid disposal and energy/resource recovery.

Abstract:

:This study developed a holistic approach which was based on the ultra-fast hydrolysis of food waste with the fungal mash rich in various hydrolytic enzymes produced in situ from food waste as well. After the 8-h hydrolytic treatment, the solid residue and liquor were separated. It was found that the produced solid residue can meet all the requirements for biofertilizer in terms of NPK and heavy metal contents, while the separated liquor with high soluble organics concentration was further subject to anaerobic digestion for enhanced biomethane production. The results showed that 0.41kg of biofertilizer with a moisture content of 76.9% and 54.4L of biomethane could be produced from 1kg of food waste. As such, it is expected that this study may lead to the paradigm shift in food waste management with the ultimate target of zero-solid discharge.

journal_name

Bioresour Technol

journal_title

Bioresource technology

authors

Ma Y,Yin Y,Liu Y

doi

10.1016/j.biortech.2016.12.090

subject

Has Abstract

pub_date

2017-03-01 00:00:00

pages

56-61

eissn

0960-8524

issn

1873-2976

pii

S0960-8524(16)31768-0

journal_volume

228

pub_type

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