秸秆生物转化燃料乙醇关键技术及生产-陈洪章

秸秆生物转化燃料乙醇关键技术及生产Keytechniquesforbio-conversionofstrawandfuelethanolproduction陈洪章徐建HongzhangChenandJianXu中国科学院过程工程研究所生化工程国家重点实验室StateKeyLaboratoryofBiochemicalEngineering,InstituteofProcessEngineering,ChineseAcademyofSciencesCONTENTS内容BackgroundsforindustrialutilizationofstrawBackgroundsforindustrialutilizationofstraw秸秆产业化应用的背景秸秆产业化应用的背景NewtechnologyoffractionationofstrawNewtechnologyoffractionationofstraw秸秆组分分离新技术秸秆组分分离新技术Newsolidstatefermentation(SSF)systemforNewsolidstatefermentation(SSF)systemforcellulasecellulaseproductionproduction新型固态发酵纤维素酶体系新型固态发酵纤维素酶体系Fuelethanolproductionbysolid-statehydrolysisandliquidfermentation固相酶解固相酶解--液相发酵生产燃料乙醇液相发酵生产燃料乙醇Developmentofecologicalindustryofstraw秸秆生态生化工程研究进展秸秆生态生化工程研究进展●●●●●●●●3IntroductionIntroduction7hundredmilliontonsperyearinChina年产量7亿吨Presentstatus现状Ouraim目标Waste,animalfeedandpaperproduction废弃物，饲料和造纸材料Industrialmaterials工业原料CO24Effects¾Solvingtheenvironmentalpollutionandconvertingwastestrawintousefulmaterials解决环境污染，变废为宝¾Increasingfarmer’sincomeandsolving“SANNONG”question(Agriculture-Country-Farmers)增加农民收入，解决“三农”问题¾DemandsforstrategicdevelopmentofenergyinChina中国能源战略发展的需要5Problemswithindustrialization产业化过程中的难题Cellulose30-49%lignin20—30%Hemicellulose20-35%Ash0—15%Intheory——feasibletoconvert理论上是可行的Problemsofengineeringscience(technicaleconomy)工程科学问题Industrialization产业化Componentseparation组分分离Multilevelutilization多级利用Systematicintegration系统集成6Strategiestosolvetheproblems解决问题的策略Newideasoffractionationofstraw秸秆组份分离新思想New-typesolidstatefermentationstyle新型固态发酵发式Twokeytechniques两个关键技术Integrationofmulti-techniques多技术整合BreakthroughsinbothareasFullutilizationofstraw秸秆全利用Formationofecologicalindustryofstraw生态工业Goals目标CONTENTS内容BackgroundsforindustrialutilizationofstrawBackgroundsforindustrialutilizationofstraw秸秆产业化应用的背景秸秆产业化应用的背景NewtechnologyoffractionationofstrawNewtechnologyoffractionationofstraw秸秆组分分离新技术秸秆组分分离新技术Newsolidstatefermentation(SSF)systemforNewsolidstatefermentation(SSF)systemforcellulasecellulaseproductionproduction新型固态发酵纤维素酶体系新型固态发酵纤维素酶体系Fuelethanolproductionbysolid-statehydrolysisandliquidfermentation固相酶解固相酶解--液相发酵生产燃料乙醇液相发酵生产燃料乙醇Developmentofecologicalindustryofstraw秸秆生态生化工程研究进展秸秆生态生化工程研究进展8Presentfractionationproblems目前组份分离存在的问题Beingshortofeffectivepretreatmenttechnique缺少有效的预处理技术Aimingatindividualcomponent以单一组份利用为目标Difficulttoseparatetheindividualcomponent单一组分分离困难Pretreatmentcostishigh,reactionconditionissevere预处理成本高,反应条件剧烈Environmentalproblemscausedbychemicalreagents化学试剂带来环境问题9Strategicconsiderationsoffractioation组份分离的策略考虑Cellulose38%hemicellulose32%lignin17%ash13%cellulose50%hemicellulose26%lignin24%Basedonthedifferenceincomponentandstructurebetweenstrawandlumber基于秸秆与木材组分、结构的不同Developanewtechnology建立新工艺10Technicalpathoffractionation组分分离的技术路线Establishmentofecologicalindustryparkofstraw建立秸秆生态工业园Fractionationplatformofnaturalmaterials建立天然物质组分分离平台Exploitingapplicationfields拓展应用领域FoodprocessingHempprocessingFruitprocessingLignin木质素Steamexplosionwithoutpollution无污染汽爆Ethanolextraction乙醇提取Fractionationsystem组分分离体系Waterextraction水提Hemicellulose半纤维素Cellulose纤维素Correspondingconversionsystem相应转化系统Strawimmersedinwater水预浸11Technicalcharacteristics技术特点Controlinitialwatercontentinstrawmaterials控制秸秆初始含水量Nopollution(noanychemicalreagent)无污染（不添加任何化学试剂）12Treatingeffectofthenewtechnology处理效果RawstrawExplodedstraw(SES)Water-extractSES天然原料汽爆麦草水浸提汽爆麦草Equipmentforsteamexplosion汽爆设备13ApplicationofIonicliquidinstrawfractionation离子液体在秸秆组份分离中的应用2030405060708020406080100120Rateofenzymehydrolysis(%)Enzymehydrolysistime(h)OWSTOWSS-EWSTS-EWSWSPTWSPFig.2Enzymatichydrolysisratesofsufficientlywashedtreatedmaterials图充分水洗经处理材料的酶解率OWS:originalwheatstraw(原小麦秸);TOWS:treatedoriginalwheatstraw(处理的原小麦秸);S-EWS:steamexplodedwheatstraw(汽爆小麦秸);TS-EWS:treatedsteamexplodedwheatstraw(经处理的汽爆小麦秸);WSP:wheatstrawpulp(小麦秸浆);TWSP:treatedwheatstrawpulp(经处理的小麦秸浆)14AchievementsandcooperationOwning12itemsofChinesepatent获12项中国专利CONTENTS内容BackgroundsforindustrialutilizationofstrawBackgroundsforindustrialutilizationofstraw秸秆产业化应用的背景秸秆产业化应用的背景Newtechnologyoffractionationofstraw秸秆组分分离新技术秸秆组分分离新技术Newsolidstatefermentation(SSF)systemforNewsolidstatefermentation(SSF)systemforcellulasecellulaseproductionproduction新型固态发酵纤维素酶体系新型固态发酵纤维素酶体系Fuelethanolproductionbysolid-statehydrolysisandliquidfermentation固相酶解固相酶解--液相发酵生产燃料乙醇液相发酵生产燃料乙醇Developmentofecologicalindustryofstraw秸秆生态生化工程研究进展秸秆生态生化工程研究进展16Probleminpresentfermentationtechnology现有发酵工艺的问题SubmergedFermentationTraditionalSolidStateFermentationEasytorealizePurecultureGoodapplicabilityMuchwastewaterproducedHighenergycostHighproductioncostDifficulttorealizepureculturelimitedfermentationsystemsLittlewastewaterproducedLowenergycostLowcostsofproduction17Strategicconsiderationsoffermentationtechnology发酵工艺的战略考虑SpecialadvantageofSSF固态发酵的特殊优点Problems存在的问题ModernSSF现代固态发酵Pureculture纯培养Scaleup放大18StructuraldiagramofnewSSF结构示意图Newfermentorwithdoublechangesofairphase气相双动新型固态发酵反应器01000501004321Relativepressure(%)Periodictimeofpressurepulsation01000501004321Relativepressure(%)Periodictimeo