{"title":"The composting of tree bark in small reactors—adiabatic and fixed-temperature experiments","authors":"C.D. Campbell, J.F. Darbyshire, J.G. Anderson","doi":"10.1016/0269-7483(90)90157-N","DOIUrl":null,"url":null,"abstract":"<div><p>The effect of temperature on the composting of bark in adiabatic and fixed-temperature reactors was studied with respect to decomposition, loss of phytotoxicity and a reduction in the production of <em>Aspergillus fumigatus</em> spores. High temperatures could be maintained for long periods using an adiabatic reactor and the temperature could be controlled by aeration. In fixed-temperature reactors, the optimal temperature for decomposition was either 40 or 50°C. Phytotoxicity, as determined by an in-vitro seedling assay, was reduced more quickly by 50°C composting than by 40°C. In addition the growth and sporulation of a potential human pathogen, <em>Aspergillus fumigatus</em>, was less at 50°C than at 40°C.</p></div>","PeriodicalId":100177,"journal":{"name":"Biological Wastes","volume":"31 3","pages":"Pages 175-185"},"PeriodicalIF":0.0000,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0269-7483(90)90157-N","citationCount":"23","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Biological Wastes","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/026974839090157N","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 23
Abstract
The effect of temperature on the composting of bark in adiabatic and fixed-temperature reactors was studied with respect to decomposition, loss of phytotoxicity and a reduction in the production of Aspergillus fumigatus spores. High temperatures could be maintained for long periods using an adiabatic reactor and the temperature could be controlled by aeration. In fixed-temperature reactors, the optimal temperature for decomposition was either 40 or 50°C. Phytotoxicity, as determined by an in-vitro seedling assay, was reduced more quickly by 50°C composting than by 40°C. In addition the growth and sporulation of a potential human pathogen, Aspergillus fumigatus, was less at 50°C than at 40°C.