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:2007333e2mail:xyzhang@home.ipe.ac.cn3(100080),,,,,,,:TK6;S21612:A:10052281X(2007)07P821177208TheModeofCycleEconomyUtilizationofStalktheTechniqueSystemofCleanProductionbytheCo2ProductionofPulpandOrganicFertilizerZhangXiaoyong3MoHaitaoJiangQipeiLiZuohu(StateKeyLaboratoryofBiochemicalEngineering,InstituteofProcessEngineering,ChineseAcademyofSciences,Beijing100080,China)AbstractCo2productionofpulpandorganicfertilizerisaneffectivemethodtorealizecleanutilizationofstalk.Inthispaper,theevolutionofstalkutilizationandcleanpulptechniquearereviewedindetail.Thecontentofthiscycleeconomicmodeandtheprospectinfutureareintroduced.ThemodeappliesthemelthydrolyzationtechnologytoprepareKOHandphosphorusfertilizerinordertoreducethematerialcost,andusesKOHtocookthestrawtoproducepulp.Theblackliquorrichwithpotassiumcanbeusedtoproducetheliquidfertilizer,solidorganicfertilizerandirrigationwater,andtheliquorcanbeentirelyusedtoachieveresourceutilization,thereforenowasteswouldbereleasedoutofthewholesystem.Thestrawcomesfromthecrops,andthefertilizermadefromthestrawreturntoservethefarming.Atthesametimethepulpforpaperindustryisprepared.Sothetechniquesystemofcleanproductionbytheco2productionofpulpandfertilizeristhewaytorealizethecleanandeffectiveutilizationofstrawresource.Keywordsstalks;organicfertilizer;co2production;melthydrolyzationtechnology;potassiumcooking,cycleeconomy1,21,197P820078PROGRESSINCHEMISTRYVol.19No.7P8Aug.,2007,,3R(reduce,reuseandrecycle),[14],,,,,,,,,KOHNaOH,,,,,,,,217,7,213,212,110,110[5],,,,,,,,[6],,,,,,,,4154000,,,,3,4000,,,33kg,[7],,:(1),13192%,11337,0112,1P6,144107[8],15%,83%;,5%[9](2),,,11025,9838,50009141,3130[10],;15P,6P,30,10P[11](3),,,,,,,,,3513,1816%,CODCr28717,CODCr4410%,90%[12]10%(),,,,871119,,,,,,,,,,,,,,,,,,,,117,;117,,,,,,,,,[14],4[13]:(1),;(2),;(3),,,,,:4111974,Loffe[14,15],600atm,6h,65%,417%,2716%,BODCOD,1989Deineko[16],112%,1403h,5516%,[17,18],:KOH5%,25%,61()81(),155,60min,45min,,85%,38112%()49165%(),;,,4121970,,,1,22[19],,,,4133pH,pH()30,:,,,,3,:18%,NH4HCO3215%3%,165,215h,80%97117P8,60%,,,,414[2022],,Arbokem,,,K2SO4K2CO3,100,K2SO4K2CO320gP100g154gP100g,K2SO4,K2CO3KOH,Na2SO4Na2CO3(10045gP100g),Arbokem,K2SO4,,77,63,14415,[23]KOHK2SKraftNaOHNa2S,,,[24],,,[25,26],H3PO4HNO3,;pH,[19]2,:KOH9%,16%,AQ0105%,20min,61,150:1712,3712%,2417%SBD13148gPL,0116gPL,,34,,416,,(white2rot2fungi)[27]:,,,;,[28],,,,,21%48%,[29],1%,30min,4113%,2416%,3212%[30],Scott[31],1m313,68%,,1615%4413%,,22%27%;,30kg30%[32],[33],HBT,,,,19%,,,Jujop[34],2090pH210,081119,,30%,,,,5,20024339,30%[35],:(1),,,,,1kg,15000kcal31800L,32[36],1P3,116[35],,30%35%10%25%30%40%[37,38],50%60%[39],,,,,,(2),,,,,,,,,,,,,;,,,,,(3),,,,,,(),,,,50%,90%,6611,65%70%,[40]CC,,,,,,,,,[4143][44,45][4648](LCU),,,,12149%,,,,,,,KOH,,,,,34,18117P8,,,612,,,,;KClHClK2CO3,,800,,,,,,:2KCl+CO2+H2O=K2CO3+2HCl(1),A(1):2KCl+A+H2O800K2OA+2HCl(2)K2OA+CO230K2CO3+A(3)K2CO3+Ca(OH)2KOH+CaCO3(4)(2)KClA800,,(200),Cl-HClHCl,,(3)K2OA,,,CO2K2CO3(800gPL),A,,K2CO3(4)KOH,NaOH1KClHClK2CO3,,,,,,,400PKOHNaOH,,KOH,,HCl;KCl,3,60%KClmelthydrolyzationseparationwithsolutioncarbonationCO2AAcrystallizationformationofpotashKOHHClphosphorusfertilizerproductionphosphoritephosphorusfertilizer1Fig.1TechniqueflowchartofproductionofKOHandphosphorusfertilizerbymelthydrolyzationtechnology,,7,,,,,,,,,,,,,,,,,,281119,,,,(2)cropplantingagricultureproductionstrawpaper2makingmaterialpotassiumcookingKOHmelthydrolyzationtechnologyKClpulpblackliquororganicfertilizeragriculturepaper2makingindustryfertilizerindustry2Fig.2Themodeofco2productionoffertilizerandpulp33Fig.3Threemodesofcycleeconomyutilizationofstalkblackliquordirectproductionliquidfertilizerliquidfertilizermodeharmlesstreatmentirrigationwaterirrigationmodeevaporationsolidfertilizersolidfertilizermode8,3,,,,(),,,,,(),,,,,9,,,1000,,3000,4500,,,,,,,;,,,,,,,,,,10,,,,[1]AnnstasPT,WarnerJC.GreenChemistry:TheoryandPractice.Oxford:OxfordUniversityPress,1998.11038117P8[2](XuHZ),(WangDY),(ZhaoM).(TheTechnologyofResourcesUtilizationofSolidWastes).:(Beijing:ChemicalIndustryPress),2004.116[3](ZhangY).(TheChineseJournalofProcessEngineering),2001,134[4](ZhangY).(RecycleofWastesandControlofSourcePollution).:(Beijing:ChinaTextileIndustryPress),2001,358368[5](BianYS).(TreatmentandRe2utilizationofWastesinEcologicalAgriculture).:(Beijing:ChemicalIndustryPress),200015[6]KuwatsukaS,WatanabeA.SoilSci.PlantNutr.,1992,38(1):2330[7](ChinaPaper2makingAssociation).(ZhejiangPaper2Making),2004,2:26[8](ZhaoLY).(JournalofPuyangCollegeofEducation),2001,14(2):3334[9](ed.bySci.Tech.Dept.StateEnviro.Prot.Adminis.).(TheGuideofPreventionandCureTechnologyofWasteWaterintheStrawPaperIndustry).:(Beijing:ChinaEnvironmentSciencePress),2000[10](ChenSL).(ChinaPulp&PaperMaking),1997,4:13[11]KathyJP().(ChemicalTechnologyofPulpandPaperMaking).:(Beijing:ChinaLightIndustryPress),1998[12](LinQY).(ChinaPaperMaking),2003,22(9):62[13](LiZZ).(InternationalPaperMaking),2000,18(3):1416[14]LoffeLO.Khim.,1975,(5):6065[15]LoffeLO.Bum.Prom-st.,1974,(7):810[16]DeinekoIP.Khim.Drev.,1989,(3):7683[17]HuangGL,ChenZS,ZhangCF.(Chemica