A New Approach to Determine Gas Diffusion Coefficients in Porous Solids by EIS: Application for NH<sub>3</sub> and CO<sub>2</sub> Adsorption on Zirconia and Zeolite Type 5A

<table class="fixed-width table-group" id="tab3"><tr><td><table class="table"><colgroup><col style="width:7.71em"/><col style="width:4.29em"/><col style="width:3.83em"/><col style="width:3.28em"/></colgroup><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center"><svg height="12.4177pt" id="M51" style="vertical-align:-3.18155pt" version="1.1" viewbox="-0.0498162 -9.23615 12.078 12.4177" width="12.078pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M54 437L27 408L31 397H101V103C101 37 94 32 30 26V0H266V25C187 33 180 36 180 110V397H288C299 404 304 428 298 437H180V477C179 562 190 610 203 630C214 647 230 659 256 659C289 659 318 641 337 622C346 612 355 612 364 619C374 627 380 635 383 643C388 655 387 667 378 678C362 697 333 710 299 712C260 707 225 689 189 659C135 613 119 563 112 541S101 490 101 458V437H54Z" id="g121-100"></path></g><g transform="matrix(.0091,0,0,-0.0091,3.848,3.132)"><path d="M810 0V30C751 35 744 40 744 106V296C744 396 694 451 614 451C583 451 558 438 537 425C512 409 485 391 454 368C434 420 390 451 342 451C309 451 285 439 260 424C228 405 206 387 185 372V453C141 434 90 421 43 413V386C102 378 105 373 105 309V106C105 41 96 35 29 30V0H243V30C194 35 185 41 185 106V335C216 360 256 389 297 389C357 389 384 348 384 275V106C384 41 374 35 312 30V0H530V30C475 35 465 41 465 104V294C465 313 464 324 463 336C502 367 539 389 576 389C637 389 663 346 663 274V109C663 41 653 35 593 30V0H810Z" id="g58-107"></path></g></svg> [Hz]</td><td class="align_center">tan(<i>ϕ</i>)</td><td class="align_center"><i>δ</i></td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Before CO<sub>2</sub> ads.</td><td class="align_center">242.93</td><td class="align_center">0.479</td><td class="align_center">0.917</td></tr><tr><td class="align_left">After CO<sub>2</sub> ads.</td><td class="align_center">838.16</td><td class="align_center">0.531</td><td class="align_center">1.128</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Parameters for calculation of CO<sub>2</sub> interaction on zeolite by Bandara-Mellander’s model.</div>

Advances in Mathematical Physics

tab3

Table 3

Table 3: A New Approach to Determine Gas Diffusion Coefficients in Porous Solids by EIS: Application for NH<sub>3</sub> and CO<sub>2</sub> Adsorption on Zirconia and Zeolite Type 5A 

Table 3 | A New Approach to Determine Gas Diffusion Coefficients in Porous Solids by EIS: Application for NH3 and CO2 Adsorption on Zirconia and Zeolite Type 5A 