<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Biodegradable waste is by definition degraded by other living organisms. Every day, meat industry produces large amounts of a specific type of biodegradable waste called slaughterhouse waste. Traditionally in Europe, this waste is recycled in rendering plants which produce meat and bone meal and fat. However, feeding animals with meat and bone meal has been banned since the outbreaks of bovine spongiform encephalopathy (BSE). In consequence, new slaughterhouse waste processing technologies have been developed, and animal wastes have now been used for energy production. Certain parts of this waste, such as brains and spinal cord, are deemed high-risk substances, because they may be infected with prions. Their treatment is therefore possible only in strictly controlled conditions. One of the methods which seems to bear acceptable health risk is alkaline hydrolysis. This paper presents the results of an alkaline hydrolysis efficiency study. It also proposes reuse of the obtained material as organic fertiliser, as is suggested by the analytical comparison between meat and bone meal and hydrolysate.</p></abstract>

Biodegradable waste is by definition degraded by other living organisms. Every day, meat industry produces large amounts of a specific type of biodegradable waste called slaughterhouse waste. Traditionally in Europe, this waste is recycled in rendering plants which produce meat and bone meal and fat. However, feeding animals with meat and bone meal has been banned since the outbreaks of bovine spongiform encephalopathy (BSE). In consequence, new slaughterhouse waste processing technologies have been developed, and animal wastes have now been used for energy production. Certain parts of this waste, such as brains and spinal cord, are deemed high-risk substances, because they may be infected with prions. Their treatment is therefore possible only in strictly controlled conditions. One of the methods which seems to bear acceptable health risk is alkaline hydrolysis. This paper presents the results of an alkaline hydrolysis efficiency study. It also proposes reuse of the obtained material as organic fertiliser, as is suggested by the analytical comparison between meat and bone meal and hydrolysate.

High-Risk Biodegradable Waste Processing By Alkaline Hydrolysis

University of Applied Science Velika Gorica, Zagreb, Croatia

Faculty of Agriculture, University of Zagreb, Zagreb, Croatia

Archives of Industrial Hygiene and Toxicology

{"article-title":"High-Risk Biodegradable Waste Processing By Alkaline Hydrolysis"}

Biodegradable waste is by definition degraded by other living organisms. Every day, meat industry produces large amounts of a specific type of biodegradable...

High-Risk Biodegradable Waste Processing By Alkaline Hydrolysis

Publié en ligne: 04 oct. 2011

Pages: 249 - 253

DOI: https://doi.org/10.2478/10004-1254-62-2011-2104

Mots clés
kafilerije, klaonički otpad, kravlji mozak, leđna moždina, organsko gnojivo

This content is open access.

High-Risk Biodegradable Waste Processing By Alkaline Hydrolysis

Publié en ligne: 04 oct. 2011

Pages: 249 - 253

DOI: https://doi.org/10.2478/10004-1254-62-2011-2104

Mots cléskafilerije, klaonički otpad, kravlji mozak, leđna moždina, organsko gnojivo

This content is open access.

Mots clés
kafilerije, klaonički otpad, kravlji mozak, leđna moždina, organsko gnojivo