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1、5A分子筛吸附分离溶剂油重组分中正己烷的试验研究Experimentalstudyontheabsorptionandseparationofn-hexaneinsolventoilby5Amolecularsieve摘要：采用5A分子筛吸附分离溶剂油中重组分得到高纯度正己烷。考察不同厂家的5A分子筛、吸附温度、空速等对吸附的影响。结果表明，国药分子筛对溶剂油重组分中的正己烷有着更强的吸附作用和更大的饱和吸附量，吸附温度80°C、吸附空速3h-1时效果最佳，吸余油中的正构烷烃含量显著减少，其异构烷烃含量不变，脱附液中正己烷含量超过99%。Abstract:Using5Amolecularsieveabsorbingandseparatingthehighpurityofn-hexaneinsolventoil.Theinfluenceof5Amolecularsievefromdifferentmanufactures，adsorptiontemperatureandvelocityonadsorptionwereinvestigated.Theresultsshowthat5AmolecularsievefromSinopharmChemicalReagentCo.，Ltd.hasastrongabsorptionandgreateramountofn-hexane，thebiggestbreakthroughcapacitywasobtainedat80Candthevelocityof3h—1.Inconclusion，normalparaffininthesolventoilincreasinglydecreasedandisoparaffincontentunchanged，andthecontentinthedesorptionliquidwasmorethan99%.2、邻苯二甲醛消毒液浓度快速检测试纸研究Studyonarapidteststripofo—phthalaldehydeconcentrationindisinfectants摘要目的为检测邻苯二甲醛(OPA)消毒液中浓度是否满足使用要求，制备一种快速检测试纸。方法采用对比试纸颜色的方法，对影响试纸显色反应的多种因素进行研究。结果制备试纸的母液中Na2SO3、甘氨酸、KH2PO4和亚甲基蓝的浓度分别为8、80、40和0.04g/L，且检测时间为2min时效果最佳；KH2PO4的加入能极大地提高显色速率；将试纸染成蓝色基底更有利于对颜色的识别。结论制备的试纸对单方OPA产品有较好的检测效果，且试纸稳定性、重现性良好。该方法操作简单，快速可行。关键词邻苯二甲醛；试纸法；快速检测AbstractObjective:ToprepareakindofteststripsoastodetectwhethertheconcentrationofOPAindisinfectantscanmeettherequirementsofuse.MethodsColorcontrastingmehtodwasusedtostudyvariesfactorsinfluencingthecolorreactionontestpaper.ResultsTheresultsshowedbestwhentheconcentrationofNa2SO3,glycine,KH2PO4andmethylenebluewere8,80,40and0.04g/Linthemotherliquor,andthedetectiontimewasselectedfor2min.TheadditionofKH2PO4cangreatlyincreasethecolorationrate.Thepaperdyedbluewasmoreconducivetotheidentificationofcolor.ConclusionThetestpaperwithgoodstabilityandreproducibilityhasagooddetectioneffectonunilateralOPAdisinfect-ant,andthepaper—detection—methodissimpleandfast.Keywordso—phthalaldehyde;teststrip;rapiddetection3、人造沸石对氨氮废水的吸附及其电化学再生研究Researchontheartificialzeoliteadsorptionforammonianitrogenwastewateranditselectrochemicalregeneration［摘要］采用人造沸石对模拟氨氮废水进行吸附，并对其进行电化学再生，探讨了吸附及再生的影响因素。结果表明，最佳吸附条件：吸附时间为90min,pH为中性或弱酸性，人造沸石投加量为120g/L,在此条件下，氨氮去除率可达84%；最佳再生条件：电解时间为40min,NaCl浓度为0.1mol/L,温度为50°C,pH为10,在此条件下，人造沸石再生率可达到97.48%。人造沸石重复使用6次后，再生率仍可达到88%以上。［关键词］氨氮废水；人造沸石；吸附；电化学再生Abstract：Artificialzeolitehasbeenusedfortheadsorptionofsimulatedammonianitrogenwastewaterandforitselectrochemicalregeneration.Theinfluencingfactorsofitsadsorptionandregenerationareinvestigated.Theresultsshowthattheoptimaladsorptionconditionsareasfollows:theadsorptiontimeis90min,pHneutralorweaklyacidic,andthedosageofartificialzeolite120g/L.Undertheseconditions,theremovingrateofammonianitrogencanreach84%.Theoptimalregenerationconditionsareasfollows：theelectrolysistimeis40min,concentrationofNaClsolution0.1mol/L,temperature50CandpH=10.Undertheseconditions,theregenerationrateofartificialzeolitecanreach97.48%.Theregenerationrateofartificialzeolitecanstillreach88%afterhavingbeenreused6times.Keywords:ammonianitrogenwastewater；artificialzeolite；adsorption；electrochemicalregeneration4、絮凝-微滤处理洗煤废水及膜污染机理研究Researchontheflocculation-microfiltrationforthetreatmentofcoalwashingwastewaterandmembranefoulingmechanism［摘要］采用聚合氯化铝铁(PAFC)预处理+微滤工艺处理电厂的洗煤废水，研究了混凝对水质的影响，考察了絮凝减缓膜污染的效果。结果表明，当PAFC的投加质量浓度为50mg/L时，废水中COD、悬浮固体、浊度的去除率分别为68%、98%、95%。PAFC混凝处理将过滤过程中的总阻力降低了39.2%，其中滤饼层阻力降低了68.7%，膜孔阻塞阻力降低了59.1%，但是浓差极化阻力升高了138.4%。PAFC混凝处理减轻了膜孔阻塞和滤饼层污染。［关键词］混凝；微滤；膜污染Abstract：Theprocesspoly-aluminumferrouschloride(PAFC)pretreatment+microfiltrationhasbeenusedfortreatingthecoal-washingwastewaterinpowergenerationplants.Theinfluencesofcoagulationonwaterqualityarestudied，andtheeffectofflocculationontheslowingdownofmembranefoulingareinvestigated.TheresultsshowthattheremovingratesoftheCOD，suspendedsolidsandturbidityfromwastewaterare68%，98%，and95%，respectively，whenthemassconcentrationofPAFCaddedis50mg/L.39.2%oftotalresistanceisreducedbyPAFCcoagulationtreatment，amongwhich68.7%ofcakelayerresistanceisreduced，and59.1%ofmembraneporeblockingresistanceisreduced，but138.4%ofconcentrationpolarizationresistanceisincreased.PAFCcoagulationtreatmenthasalleviatedtheblockingofmembraneporesandthepollutionoffiltercakes.Keywords：coagulation；microiltration；membranefouling5、模拟变压器工作环境下的丁腈橡胶老化研究及寿命预测LifetimePredictionandResearchonAgingofNBRUnderOperatingEnvironmentofTransformer摘要：本文中作者根据变压器的实际工作环境，设计了在四种条件下丁腊胶的加速老化试验，分析了对橡胶老化的影响，并进行了寿命预测。关键词：丁腊橡胶；老化；寿命预测Ab