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SAYRG

金虫 (小有名气)

[求助] 怎麼確保DSLF或DSL參數估計值是唯一的?

?????Dual site Langmuir-Freundlich (DSLF)??????????M??
????????298 K ????????w??????????????????
?????DSLF?????????Щ????? Q=qm1+qm2?????
??Q=10????qm1??qm2?????к??N?M???????9+1??8+2??7+3......???
?????Dual site Langmuir (DSL) ?? Langmuir-Freundlich (LF)?r??????
?ЙC?????l?????????r??
??????f?п?????к??M???????????????M??ú???
????????????Ψ?????identifiable??

????????Origin??1stOpt?M????????????
?????????????????????w??????@???????????
????????????DSL??DSLF??LF?M?ДM???????????
??????????????????
?K??????????M???r??
????????????????0??????????????l?????
????????????Ⅲ????????Ψ?????identifiable??

??????J??????@Щ???M?????????????@?????
?K???????????????н??????????????@?N???ζ????
?e?^???????????t???????

?????????Щ??????????·????
1. ???е?????????0
2. ?? Single site??????e??b=b0 exp(E/RT) ;  ln(b)=ln(b0)+E/RT
    E????????????????????w????w??r???????????(zero-coverage isosteric heat of gas adsorption)??
    ?? Dual site??????e??
    b1=b10 exp(E1/RT) ;  ln(b1)=ln(b10)+E1/RT
    b2=b20 exp(E1/RT) ;  ln(b2)=ln(b20)+E2/RT
    b1b2=b10b20 exp((E1+E2)/RT) ; ln(b1b2)=ln(b10b20)+(E1+E2)/RT
    E1+E2????????????????????w????w??r???????????(zero-coverage isosteric heat of gas adsorption)??
    E1??E2???????N??????
3. q ???? q1, q2????????S??????????????
    a. q1, q2????????????????????????????N???
    b. ?????M???^??????q1, q2????????????M????^Global fitting?????


LF
Q = (q*b*x^n)/(1 + b*x^n)
??
Q = (q*b*x^(1/n))/(1 + b*x^(1/n))

b=b0 exp(E/RT) ;  ln(b)=ln(b0)+E/RT

DSLF
Q = (qm1*b1*x^n1)/(1 + b1*x^n1) + (qm2*b2*x^n2)/(1 + b2*x^n2)
??
Q = (qm1*b1*x^(1/n1))/(1 + b1*x^(1/n1)) + (qm2*b2*x^(1/n2))/(1 + b2*x^(1/n2))

    b1=b10 exp(E1/RT) ;  ln(b1)=ln(b10)+E1/RT
    b2=b20 exp(E1/RT) ;  ln(b2)=ln(b20)+E2/RT
    b1b2=b10b20 exp((E1+E2)/RT) ; ln(b1b2)=ln(b10b20)+(E1+E2)/RT

DSL
Q = (qm1*b1*x)/(1 + b1*x) + (qm2*b2*x)/(1 + b2*x)

    b1=b10 exp(E1/RT) ;  ln(b1)=ln(b10)+E1/RT
    b2=b20 exp(E1/RT) ;  ln(b2)=ln(b20)+E2/RT
    b1b2=b10b20 exp((E1+E2)/RT) ; ln(b1b2)=ln(b10b20)+(E1+E2)/RT

[ Last edited by SAYRG on 2012-11-22 at 17:17 ]
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SAYRG

金虫 (小有名气)

???·?????īI?e?^?????f?????^?????????^??????M??????c?^???(?????a???Y???4~12???B?Y??t??????·???)
???????īI?c?????????w?{??????????????

*1
High-Throughput Analytical Model to Evaluate Materials for Temperature Swing Adsorption Processes
Adv. Mater. 2013
Article first published online: 25 APR 2013
Julian P. Sculley, Wolfgang M. Verdegaal, Weigang Lu, Mario Wriedt, Hong-Cai Zhou*
????a???Y????B?Y
http://onlinelibrary.wiley.com/d ... .201204695/suppinfo
8楼2013-05-07 16:28:19
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SAYRG

金虫 (小有名气)

希望對於這方面擬合有經驗或是熟稔的人能給予提點與建議!
2楼2012-11-22 17:19:50
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SAYRG

金虫 (小有名气)

SAYRG: 回帖置顶 2013-01-03 17:53:29
??????Л]???????*1???е?????M??????
???J???@?N?????????(?????·??????D**)???U????????????????????????x?????????????????????Ψ???(identifiable)??
?????????????S????????????????????d?????????ΔM?????????????????????Origin????1stOpt?e??????????????M??????????????????]?@?N???Ρ?
?????????????????????????o?????c?c???h??
**???*1?a???Y???е?Fig. S10.???Table. S6.




*1
Mason, J.A., Sumida, K., Herm, Z.R., Krishna, R., Long, J.R., Evaluating Metal-Organic Frameworks for Post-Combustion Carbon Dioxide Capture via Temperature Swing Adsorption, Energy Environ. Sci. 4 (2011) 3030-3040.
???????W?
http://pubs.rsc.org/en/Content/ArticleLanding/2011/EE/C1EE01720A
???????n?B?Y
http://www.science.uva.nl/resear ... EnvironSci_2011.pdf
?a???Y?????dλ??
http://www.rsc.org/suppdata/ee/c1/c1ee01720a/c1ee01720a.pdf
3楼2013-01-03 17:49:37
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SAYRG

金虫 (小有名气)

???????:
3?: Originally posted by SAYRG at 2013-01-03 17:49:37
??????Л]???????*1???е?????M??????
???J???@?N?????????(?????·??????D**)???U????????????????????????x???????????????????Ψ???(identifiable)??
?????????????S??????????????????? ...

Krishna Group List of Publications
http://www.science.uva.nl/research/cr/pdf/

*2
Xiang, S.C., He, Y., Zhang, Z., Wu, H., Zhou, W., Krishna, R., Chen, B., Microporous Metal-Organic Framework with Potential for Carbon Dioxide Capture at Ambient Conditions, Nature Communications 3: 954 http://dx.doi.org/doi:10.1038/ncomms1956 (2012)
?????c?a???Y??????????B?Y???d
http://www.science.uva.nl/resear ... ons_3_954(2012).pdf
*3
He, Y., Zhang, Z., Xiang, S., Fronczek, F.R., Krishna, R., Chen B., A robust doubly interpenetrated metal-organic framework constructed from a novel aromatic tricarboxylate for highly selective separation of small hydrocarbons, Chem. Commun. 48 (2012) 6493-6495.
?????c?a???Y??????????B?Y???d
http://www.science.uva.nl/resear ... mmn_2012_withSI.pdf
4楼2013-01-04 20:01:17
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