好氧堆肥中通风工艺与参数研究进展
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2020-04-07 21:51:18
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AdvancesinventilationsystemsandparameterchoicesduringaerobiccompostingXUPeng-xiang1,WANGYue1,YANGJun-xiang2*,LIJi1(1.CollegeofResourcesandEnvironmentalSciences,ChinaAgriculturalUniversity,Beijing100193,China;2.NationalAnimalHusbandryStationofChina,Beijing100022,China)Abstract:Ventilationisanimportantparameterthataffectsthetemperaturechange,microbialactivity,gascomposition,waterremoval,andproductqualityofaerobiccomposting.Thisarticlereviewscurrentresearchintoventilationsystemsandparameterchoicesduringaerobiccomposting.Aerobiccompostinghasthreeventilationmodes:natural,passive,andforcedventilation.Forcedventilationiswidelyusedbothincompostingresearchandcompostingengineering.Therearethreetypicalventilationcontrolmethodsusedinaerobiccomposting:OUR(oxygenuptakerate)maximizationcontrol,cycliccontrol,andoxygenfeedbackcontrol,wherethelattertwoareconsideredthestandardcontrolmethodsinindustrialcomposting.OURmaximizationcontrolisanewcontrolmethodexhibitinggoodcontroleffects,butithasnotbeenappliedinpracticalcompostingengineering.Theventilationrateofcompostingisdifferentwithrawmaterials.Theresultsindicategoodperformanceunderaventilationrateof0.2~0.6L·min-1·kg-1oforganicmatterincompostingplants.Acombinationofpileturningandnaturalventilationistypicallyusedinthewindrowcompostingsystem,sectionalforcedventilationtechnologyistypicallyusedinthebedcompostingsystem,andintermittentventilationtechnologyistypicallyusedinthereactorcompostingsystem.Thestirringparametersshouldbeonceperdayinwindrowandbedsystems,andtheventilationparametersshouldbe0.05~0.2m3·min-1·m-3oforganicmatterinbedandreactorsystems.Keywords:aerobiccomposting;ventilation;processparameters;researchprogress2018,37(11):2403-24082018年11月农业环境科学学报JournalofAgro⁃EnvironmentScience徐鹏翔,王越,杨军香,等.好氧堆肥中通风工艺与参数研究进展[J].农业环境科学学报,2018,37(11):2403-2408.XUPeng-xiang,WANGYue,YANGJun-xiang,etal.Advancesinventilationsystemsandparameterchoicesduringaerobiccomposting[J].JournalofAgro-EnvironmentScience,2018,37(11):2403-2408.好氧堆肥中通风工艺与参数研究进展徐鹏翔1,王越1,
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