Changes in the level of alkaline and acid phosphatase activities during green wastes and sewage sludge co-composting

Details

Serval ID
serval:BIB_3E30C1202BC8
Type
Article: article from journal or magazin.
Collection
Publications
Title
Changes in the level of alkaline and acid phosphatase activities during green wastes and sewage sludge co-composting
Journal
Bioresource Technology
Author(s)
Albrecht R., Le Petit J., Calvert V., Terrom G., Perissol C.
ISSN-L
0960-8524
Publication state
Published
Issued date
2010
Peer-reviewed
Oui
Volume
101
Pages
228-233
Language
english
Abstract
The aim of this work was to study the activity level of alkaline and acid phosphatases during the composting of green wastes and sewage sludge and to determine relationships between biotic and abiotic properties of compost and phosphatase activities. This study has revealed a noticeable separation of phosphomonoesterase activities into two distinct phases during composting. Alkaline and acid phosphatase activities were high during the first month of composting and then declined up to the end of the process. Both phosphatase activities were significantly correlated with a group of variables which are clearly related to advancement Of Maturity during the composting process: C/N, respiration, cellulase, protease, phenoloxidase activities, HA and Global Index of Composting Evolution (GICE) resulting from 14 biological and chemical parameters. This study has also revealed the complexity of factors regulating turnover of P in compost process since phosphatase activities appeared constrained across two thresholds: 60170 and 100 mu g of inorganic P g(-1) DM for activation and repression, respectively. Crown Copyright (C) 2009 Published by Elsevier Ltd. All rights reserved,
Create date
13/09/2011 13:34
Last modification date
20/08/2019 13:34
Usage data