אסיף מאגר המחקר החקלאי

A flexible control system designed for lab-scale simulations and optimization of composting processes

Year:

2017

Source of publication :

Authors :

Volume :

72

Co-Authors:

Oazana, S., Institute of Soil, Water and Environmental Sciences, Newe Ya'ar Research Center, Agricultural Research Organization (ARO), Ramat Yishay 30095, Israel, Department of Environmental Hydrology and Microbiology, Zuckerberg Institute for Water Research, Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, 84990, Israel
Naor, M., Institute of Soil, Water and Environmental Sciences, Newe Ya'ar Research Center, Agricultural Research Organization (ARO), Ramat Yishay 30095, Israel, Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Israel
Grinshpun, J., Precision livestock farming (PLF) Lab., Institute of Agricultural Engineering, Agricultural Research Organization - the Volcani Center (ARO), 68 HaMacabim Road, Rishon LeZion, 7505101 Israel
Halachmi, I., Precision livestock farming (PLF) Lab., Institute of Agricultural Engineering, Agricultural Research Organization - the Volcani Center (ARO), 68 HaMacabim Road, Rishon LeZion, 7505101 Israel
Raviv, M., Institute of Plant Sciences, Newe Ya'ar Research Center, Agricultural Research Organization (ARO), Ramat Yishay 30095, Israel
Saadi, I., Institute of Soil, Water and Environmental Sciences, Newe Ya'ar Research Center, Agricultural Research Organization (ARO), Ramat Yishay 30095, Israel
Avidov, R., Institute of Soil, Water and Environmental Sciences, Newe Ya'ar Research Center, Agricultural Research Organization (ARO), Ramat Yishay 30095, Israel, Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Israel
Varma, V.S., Institute of Soil, Water and Environmental Sciences, Newe Ya'ar Research Center, Agricultural Research Organization (ARO), Ramat Yishay 30095, Israel
Rosenfeld, L., Precision livestock farming (PLF) Lab., Institute of Agricultural Engineering, Agricultural Research Organization - the Volcani Center (ARO), 68 HaMacabim Road, Rishon LeZion, 7505101 Israel
Gross, A., Department of Environmental Hydrology and Microbiology, Zuckerberg Institute for Water Research, Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, 84990, Israel
Laor, Y., Institute of Soil, Water and Environmental Sciences, Newe Ya'ar Research Center, Agricultural Research Organization (ARO), Ramat Yishay 30095, Israel

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Abstract:

Understanding and optimization of composting processes can benefit from the use of controlled simulators of various scales. The Agricultural Research Organization Composting Simulator (ARO-CS) was recently built and it is flexibly automated by means of a programmable logic controller (PLC). Temperature, carbon dioxide, oxygen and airflow are monitored and controlled in seven 9-l reactors that are mounted into separate 80-l water baths. The PLC program includes three basic heating modes (pre-determined temperature profile, temperature-feedback ("self-heating"), and carbon dioxide-dependent temperature), three basic aeration modes (airflow dependence on temperature, carbon dioxide, or oxygen) and enables all possible combinations among them. This unique high flexibility provides a robust and valuable research tool to explore a wide range of research questions related to the science and engineering of composting. In this article the logic and flexibility of the control system is presented and demonstrated and its potential applications are discussed. © 2017 Elsevier Ltd.

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