Effect of depithing on the safety and environmental aspects of bagasse stockpiling |
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| Authors: | T.J. Rainey I.M. O’Hara A.P. Mann C.H. Bakir F. Plaza |
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| Affiliation: | 1. College of Light Industry and Food Engineering, Guangxi University, Nanning, 530004, PR China;2. Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, PR China;1. Cutaneous Allergy Unit, Department of Dermatology, Hospital de la Santa Creu i Sant Pau, Autonomous University of Barcelona, Barcelona, Spain;2. Department of Dermatology, University General Hospital Gregorio Marañón, Madrid, Spain;1. Natural Fibers Advanced Technologies, 42A Blekitna str., 93-322 Lodz, Poland;2. Institute of Technical Biochemistry, Lodz University of Technology, 4/10 Stefanowskiego str., 90-924 Lodz, Poland;3. Faculty of Process and Environmental Engineering, Lodz University of Technology, 213 Wolczanska str., 90-924 Lodz, Poland;4. Faculty Wood Technology, Warsaw University of Life Sciences—SGGW, 159 Nowoursynowska str., 02-787 Warsaw, Poland;1. College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, PR China;2. Department of Chemical Engineering, University of New Brunswick, Fredericton, NB E3B5A3, Canada;1. School of Resource, Environment & Safety Engineering, Hunan University of Science & Technology, Xiangtan, 411201, China;2. Work Safety Key Lab on Prevention and Control of Gas and Roof Disasters for Southern Coal Mines, Hunan University of Science & Technology, Xiangtan, 411201, China;3. Department of Civil and Architectural Engineering and Mechanic, University of Arizona, Tucson, AZ, 8572, USA |
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| Abstract: | Large scale sugarcane bagasse storage in uncovered stockpiles has the potential to result in adverse impacts on the environment and surrounding communities through hazards associated with nuisance dust, groundwater seepage, spontaneous combustion and generation of contaminated leachates. Managing these hazards will assist in improved health and safety outcomes for factory staff and reduced potential environmental impacts on surrounding communities. Removal of the smaller fibres (pith) from bagasse prior to stockpiling reduced the dust number of bagasse by 50% and modelling suggests peak ground level PM10 dust emissions would reduce by 70%. Depithed bagasse has much lower water holding capacity (～43%) than whole bagasse.This experimental and modelling study investigated the physical properties of depithed and whole bagasse. Dust dispersion modelling was undertaken to determine the likely effects associated with storage of whole and depithed sugarcane bagasse. |
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