資料庫(kù)
儀器網(wǎng)>
資料庫(kù)>Interactions control領(lǐng) biopolymer fou領(lǐng) of reverse osmosis membranes
Interactions control領(lǐng) biopolymer fou領(lǐng) of reverse osmosis membranes
-
本文由 美國(guó)布魯克海文儀器公司 整理匯編
2024-09-14 01:20 936閱讀次數(shù)
文檔僅可預(yù)覽首頁(yè)內(nèi)容,請(qǐng)下載后查看全文信息!
-
立即下載
Interactions control領(lǐng) biopolymer fou領(lǐng) of reverse osmosis membranes
登錄或新用戶(hù)注冊(cè)
請(qǐng)用手機(jī)微信掃描下方二維碼
快速登錄或注冊(cè)新賬號(hào)
微信掃碼,手機(jī)電腦聯(lián)動(dòng)
更多資料
-
Interactions control領(lǐng) biopolymer fou領(lǐng) of reverse osmosis membranes
- Interactions control領(lǐng) biopolymer fou領(lǐng) of reverse osmosis membranes[詳細(xì)]
-
2024-09-14 01:20
課件
-
Interfacial polymerization of thin film nanocomposites: A new concept for reverse osmosis membranes
- 作者:AlbertoTiraferria,KaiLoonChenb,RajandreaSethia,MenachemElimelechb ?。╝DITAGDipartimentodiIngegneriadelTerritorio,dell’AmbienteedelleGeotecnologie,PolitecnicodiTorino,CorsoDucadegliAbruzzi,24,10129,Torino,Italy bDepartmentofChemicalEngineering,EnvironmentalEngineeringProgram,YaleUniversity,NewHaven,CT06520-8286,USA) 摘要:Injectionofnanoscalezero-valentiron(NZVI)ispotentiallyapromisingtechnologyforremediationofcontaminatedgroundwaters.However,theefficiencyofthisprocessissignificantlyhinderedbytherapidaggregationoftheironnanoparticles.Theaimofthisstudywastoenhancethecolloidalstabilityofthenanoparticlesthroughtheadditionofthe“green”polymerguargum.Weevaluatedthepropertiesofguargumanditsinfluenceonthesurfaceproperties,particlesize,aggregation,andsedimentationofironnanoparticles.Commercialironnanoparticlesweredispersedinguargumsolutions,andtheiraggregationandsedimentationbehaviorswerecomparedtothoseofbareironnanoparticlesandcommercialnanoparticlesmodifiedwithabiodegradablepolymer(polyaspartate).Highperformancesizeexclusionchromatography,chargetitration,andviscosityassessmentshowedthatguargumisahighmolecularweightpolymerwhichisnearlyneutrallycharged,renderingitsuitableforstericstabilizationoftheironnanoparticles.Electrophoreticmobilitymeasurementsdemonstratedtheabilityofguargumtoadsorbonthenanoparticles,formingaslightlynegativelychargedlayer.Dynamiclightscatteringexperimentswereconductedtoestimatetheparticlesizeofthedifferentnanoparticlesuspensionsandtodeterminetheaggregationbehavioratdifferentionicstrengths.Guargumeffectivelyreducedthehydrodynamicradiusofthebarenanoparticlesfrom500nmtolessthan200nmandpreventedaggregationofthenanoparticlesevenatveryhighsaltconcentrations(0.5MNaCland3mMCaCl2).Sedimentationprofilesofthedifferentnanoparticlesuspensionsconfirmedtheimprovedstabilityoftheironnanoparticlesinthepresenceofguargum.Theresultsstronglysuggestthatguargumcanbeusedtoeffectivelydeliverstabilizedzero-valentironnanoparticlesforremediationofcontaminatedgroundwateraquifers. 關(guān)鍵詞:Zero-valentironnanoparticles;Guargum;Greenpolymers;Aggregation;Stericstabilization;Groundwaterremediation;DLS;Particlesize[詳細(xì)]
-
2018-08-31 10:11
產(chǎn)品樣冊(cè)
-
Interfacial polymerization of thin film nanocomposites:A new concept for reverse osmosis membranes
- Interfacial polymerization of thin film nanocomposites:A new concept for reverse osmosis membranes[詳細(xì)]
-
2024-09-13 03:21
操作手冊(cè)
-
Control領(lǐng) of Degradation Effects in Radiation Proc
- Control領(lǐng) of Degradation Effects in Radiation Proc[詳細(xì)]
-
2024-09-28 01:18
其它
-
Control領(lǐng) of Degradation Effects in Radiation Processing of Starch
- Cornstarchofdifferentphysicalforms(solidandliquid)wasirradiatedwith60Cogammaraysandelectronbeaminthedoserangeof50Gyto100kGytoinvestigatetheeffectofionizingradiationonitsmolecularweight(Mw).Degradationwasobservedforbothsolidandliquidstatesuponradiation.However,degradationofthestarchintheliquidstatewasremarkablygreaterthanthatinthesolidstate.Thefreeradicalsthatformedduringwaterirradiationmustberesponsibleforsuchdegradationintheliquidform.Thermostatedviscometer,rheometerandmulti-anglestaticlaserlightscatteringwereemployedtostudythechangesintheMwofcornstarchthatoccurredduringirradiationatconstanttemperatureanddifferentconcentrations.ItwasobservedthatelectronbeamirradiatedcornstarchhasuniformdecreasinginMwandradiusofgyration(Rg)intherangeof(4.41072.9107gmol21)and(199.385.6nm),respectively.Theinfluenceofgasatmosphereonthedegradationprocessduringgammairradiationwasstudiedtofindthat,theMwandRgvalueswereintherangeof(4.41071.8107gmol21)and(199.3120.4nm)fortheoxygensaturatedsamples,while,theywere(4.41071.05107gmol21)and(199.385.6nm)fortheargonsaturatedsamples.[詳細(xì)]
-
2018-08-31 10:11
產(chǎn)品樣冊(cè)
-
Gel領(lǐng) of an emulsion
- Gel領(lǐng) of an emulsion[詳細(xì)]
-
2024-09-11 17:56
應(yīng)用文章
-
Lipoprotein Density Profi領(lǐng)
- Lipoprotein Density Profi領(lǐng)[詳細(xì)]
-
2024-09-20 03:47
標(biāo)準(zhǔn)
-
Application Note_Raman Samp領(lǐng)
- Application Note_Raman Samp領(lǐng)[詳細(xì)]
-
2024-09-30 01:03
期刊論文
-
3D surface Profi 領(lǐng) applications
- 3D surface Profi 領(lǐng) applications[詳細(xì)]
-
2008-10-17 00:00
課件
-
Kiss領(lǐng) 54.808.101系列資料
- Kiss領(lǐng)54.808.101系列資料,現(xiàn)貨供應(yīng)。[詳細(xì)]
-
2018-11-07 14:16
產(chǎn)品樣冊(cè)
-
kiss領(lǐng) 54系列樣本
- kiss領(lǐng)54系列產(chǎn)品資料[詳細(xì)]
-
2018-11-07 14:16
產(chǎn)品樣冊(cè)
-
Galvanostatic cyc領(lǐng) with potential limitation
- Galvanostatic cyc領(lǐng) with potential limitation[詳細(xì)]
-
2024-09-28 00:47
應(yīng)用文章
-
MSDS for KNO3 fil領(lǐng) solution
- MSDS for KNO3 fil領(lǐng) solution[詳細(xì)]
-
2008-08-25 00:00
其它
-
MSDS for KCl fil領(lǐng) solution
- MSDS for KCl fil領(lǐng) solution[詳細(xì)]
-
2008-08-25 00:00
標(biāo)準(zhǔn)
-
Covalently coup領(lǐng) the antibody on an amine-self-as
- Covalently coup領(lǐng) the antibody on an amine-self-as[詳細(xì)]
-
2024-09-17 19:14
其它
-
An equivalent circuit approach to the model領(lǐng)
- An equivalent circuit approach to the model領(lǐng)[詳細(xì)]
-
2024-09-20 03:00
安裝說(shuō)明
-
Potentiodynamic Cyc領(lǐng) with Galvanostatic Accelerat
- Potentiodynamic Cyc領(lǐng) with Galvanostatic Accelerat[詳細(xì)]
-
2024-09-29 21:12
產(chǎn)品樣冊(cè)
-
AFM-Raman Coup領(lǐng) and Tip-Enhanced Raman (TERS)
- AFM-Raman Coup領(lǐng) and Tip-Enhanced Raman (TERS)[詳細(xì)]
-
2013-01-29 00:00
其它
-
食品質(zhì)量安全領(lǐng)域中的應(yīng)用
- 食品質(zhì)量安全領(lǐng)域中的應(yīng)用[詳細(xì)]
-
2010-03-25 00:00
其它
-
AFM-Raman Coup領(lǐng) and Tip-Enhanced Raman (TERS)
- AFM-Raman Coup領(lǐng) and Tip-Enhanced Raman (TERS)[詳細(xì)]
-
2015-09-22 00:00
報(bào)價(jià)單
Copyright 2004-2026 yiqi.com All Rights Reserved , 未經(jīng)書(shū)面授權(quán) , 頁(yè)面內(nèi)容不得以任何形式進(jìn)行復(fù)制
參與評(píng)論
登錄后參與評(píng)論