PDS脱硫技术的应用(2)

地址:南京大厂葛关路699号《化学工业与工程技术》,编辑部;邮编:210048;电话:025-7057410。

粗煤气湿法脱硫净化

Ⅱ

JournalofChemicalIndustry&Engineering2003Vol124No.4　

Extractionprocessofarachidonicacidfromalgae

BIANJin2fa,YANGWei2ben

(DepartmentofChemicalEngineering,NanjingCollgeof

ChemicalTechnology,Nanjing210048,China)

　　Abstract:Arachidonicacidisattractingincreasingatten2tionduetoitsimportanceinhumanhealthandnutrition.Asanessentialfattyacid,itplaysanimportantroleinthephysiologi2calactivity.Arachidonicacidmaybeobtainedfromfishoil,fungalandmicroalgae,buteachprocesshasobviousshortcom2ing.Anewprocessforextractingarachidonicacidfromalgaeisdesigned.

　　Keywords:Arachidonicacid;Fattyacid;Process

Summaryofhigh2sulfurpetroleumcokeanditsLU　　Abstract:Thetanningextractsprocesswasadoptedinthepre2removingofsulfideforaceticacidsynthesisgas(crudegas)originally,andexistedsomeproblemssuchashighresistanceofthecolumn,andpluggingofthecolumnetc.ReplacedbyPDSassulfideremovinga2gent,theabove2mentionedproblemsaresolved,andthecontentofH2Softheoutletdecreasesto40×10-6afteroptimizingthemassconcentrationoftanningextracts,vanadium,andalkali.

　　Keywords:Pre2removingofsulfide;Resistanceoftower;PDS

Tinnovationofthesystemof

-1,4unit

NGL,2bin2

(IndustryInstituteofSinopec,,China;2.SyntheticRubberPlantofBalingPetrochemicalCo,Yueyang414014,China)

(ResearchInstituteGroup,

,)

　　Abstract:Thecharacteristics,composition,applicationandtreatingtechnologiesofhigh2sulfurpetroleumcokearesum2marized,andtherelevantsuggestionsforthetreatingtechnolo2giesareputforward.

　　Keywords:High2sulfurpetroleumcoke;Treatingtech2nologies

Researchprogressoncatalyticsynthesisofbutyraldehyde

1,2-propanediolacetal

YANGShui2jin

　　Abstract:Withacis-1,4-polybutadienerubberunitofcertainrubberplantasexample,theinnovationstatusofthecondensationsystemofcis-1,4-polybutadienerubberunitisdescribed,theinfluencesofoperatingconditionsandstructureofcondensationpotontheproductionyieldandtheproductsquali2tyarediscussed,andthemeasuresforincreasingtheefficiencyofthesystemareputforward.

　　Keywords:Cis-1,4-polybutadienerubber;Condensa2tionpot;Ratioofwatertocolloid;Stirrer

Experimentalresearchoftheinfluenceofplasticdeformation

onthestrengthofausteniticstainlesssteel

LIYue,WANGShu2lan

(DepartmentofChemistryandEnvironmentalEngineering,HubeiNormalUniversity,Huangshi435002,China)

　　Abstract:Theexperimentalresultsofsynthesisofbu2tyraldehyde1,2-propanediolacetalinthepresenceof13kindsofcatalystssuchasFeCl3 6H2O,Fe2(SO4)3 xH2O,NH4Fe(SO4)2,SnO,CuSO4,PVC-SO3H,polyvinylchlorideferricchloride(PVC-FeCl3),macroporousionexchangeresin,Vita2

-minC,solidsuper2acidSO24/TiO2,tungstensilicicacid,TiSiW12O40/TiO2andHY-typemolecularsieveetcarere2viewed.TheresultsshowthatCuSO4,PVC-SO3H,polyvinylchlorideferricchloride(PVC-FeCl3),macroporousionex2changeresin,andTiSiW12O40/TiO2areexcellentcatalyststosynthesizebutyraldehyde1,2-propanediolacetalwithhighyield.

　　Keywords:　Butyraldehyde1,2-propanediolacetal;Catalyst;Acetalization;Synthesis

Researchprogressofthewastewatertreatmentofdyeindustry

WANGXue2jun,XULi,WANGPei2wen

1

2

3

(InstituteofChemicalEngineering,DalianUniversity

ofTechnology,Dalian116012,China)

　　Abstract:Thestrengthencharacteristicofstrainfor304stainlesssteelisstudiedinexperimentbasedonthestretchintwodirections.Thespecificpropertiesofburstingpressurechangeofdifferentplasticdeformationdisksareobtainedunder250℃,meanwhile,theinfluenceofplasticdeformationtemper2atureonthestrainstrengthenandthetemperatureofeliminat2ingstrainstrengthenareinspected.

　　Keywords:304Stainlesssteel;Stretchintwo2direction;Plasticdeformation;Strainstrengthen

Applicationandresearchoffillingsinpackedflotationcolumn

ZHANGMin,LIUJiong2tian

(SchoolofChemicalEngineeringandTechnology,ChinaUniversityofMiningandTechnology,Xuzhou221008,China)

(1.CollegeofChemicalEngineering,QingdaoUniversity,Qingdao

266071,China;2.LuyuanCoLtdofShandongLukangMedicineGroup,Jining272041,China;3.QingdaoUniversityofScienceandTechnology,Qingdao266042,China)

　　Abstract:Theapplicationandresearchstatusofthechem2icalfillingsintheflotationcolumnisdescribed,thefunctionsofthefillingsintheflotationcolumnarediscussed,andthere2searchmethodanddirectionarepointedout.

　　Keywords:Flotationcolumn;Filling;Packedflotationcolumn

Rapiddeterminationofthecontentofsilicon,manganese,phosphorus,nickel,chromiumandcuprumincommonsteel

ZHOUJu2hua

　　Abstract:Theresearchprogressofthewastewatertreat2mentofdyeindustryisreviewed.Thecharacteristics,principlesofthetreatingtechnologiesofphysicalmethod,chemicalmethod,electrochemicalmethodandbiochemicalmethod,andthenewtechnologiesandresearchprogressoftheirapplicationsaredescribedmostly.

　　Keywords:Dyeindustry;Wastewatertreatment;Physi2calmethod;Chemicalmethod;Electrochemicalmethod;Bio2chemicalmethod

ApplicationofPDStechnologyforsulfideremoval

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