NDLI: Green Hydrolysis as an Emerging Technology to Turn Wool Waste into Organic Nitrogen Fertilizer

Content Provider	Springer Nature Link
Author	Zoccola, M. Montarsolo, A. Mossotti, R. Patrucco, A. Tonin, C.
Copyright Year	2015
Abstract	Management of waste wool is a problem related to sheep farming and butchery in Europe. Since the primary role of European flock is meat production, sheep are crossbreds not graded for fine wool production. Their wool is very coarse and contains a lot of kemps (dead fibres), so that it is practically unserviceable for textile uses, and represents a by-product which is mostly disposed off. Green hydrolysis using superheated water is an emerging technology to turn waste wool into amendment-fertilizers for the management of grasslands and other cultivation purposes. In this way wool keratin (the wool protein) is degraded into simpler compounds, tailoring the release speed of nutrients to plants. Wool, when added to the soil, increases the yield of grass grown, absorbs and retains moisture very effectively and reduces run off of contaminants such as pesticides. Moreover, the closed-loop cycle grass–wool–grass is an efficient form of recycling, because the wool-grass step is solar powered and grazing sheep increases soil carbon sequestration on grasslands and fertilisation, if not over-used, can enhance the carbon sequestration rate. Economical results of using hydrolysed wool as a fertilizer are expected from the increase of the management yield and the extension of the pasture lands that may contribute to employment and profit of sheep farming, increase European sheep population, and reduce European dependency of imported meat which is forecast to rise in the next years.
Starting Page	891
Ending Page	897
Page Count	7
File Format	PDF
ISSN	18772641
Journal	Waste and Biomass Valorization
Volume Number	6
Issue Number	5
e-ISSN	1877265X
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-06-23
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Wool waste Management Hydrolysis Fertilisers Industrial symbiosis Engineering Environment Renewable and Green Energy Industrial Pollution Prevention Waste Management/Waste Technology Environmental Engineering/Biotechnology
Content Type	Text
Resource Type	Article
Subject	Waste Management and Disposal Environmental Engineering Renewable Energy, Sustainability and the Environment

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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