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="tab5"><tr><td><table class="table"><colgroup><col style="width:2.67em"/><col style="width:5.18em"/><col style="width:5.19em"/></colgroup><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">Before</td><td class="align_center">After</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left"><span style="width: 18.3649ptpx;"><svg height="11.9218pt" id="M59" style="vertical-align:-3.181499pt" version="1.1" viewbox="-0.0498162 -8.7403 18.3649 11.9218" width="18.3649pt" 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="M41 650V615C111 608 121 602 121 516V134C121 48 111 42 32 35V0H289C413 0 518 27 592 83C668 141 717 229 717 351C717 446 678 517 628 564C564 625 467 650 341 650H41ZM255 540C255 569 257 586 265 595C272 602 292 609 328 609C397 609 450 589 491 547C537 502 566 426 566 331C566 152 474 43 340 43C270 43 255 68 255 140V540Z" id="g13-66"></path></g><g transform="matrix(.0091,0,0,-0.0091,9.893,3.132)"><path d="M839 0V38C786 46 781 50 781 104V295C781 397 732 457 643 457C614 457 585 444 564 429C539 412 516 397 492 378C473 424 433 457 376 457C346 457 319 445 289 426C266 413 246 398 223 382V459C160 442 91 428 43 421V386C91 380 95 369 95 316V107C95 48 90 45 32 38V0H271V38C232 44 226 49 226 104V342C255 365 280 375 304 375C340 375 373 353 373 281V104C373 47 369 44 322 38V0H557V38C511 44 504 49 504 104V302C504 316 503 330 502 341C535 368 561 374 580 374C610 374 650 360 650 278V107C650 48 641 44 598 38V0H839Z" id="g22-107"></path></g></svg></span></td><td class="align_center"><b>5.9 x 10</b><sup>-<b>5</b></sup></td><td class="align_center"><b>3.3 x 10</b><sup>-<b>5</b></sup></td></tr><tr><td class="align_left"><span style="width: 10.0297ptpx;"><svg height="12.0784pt" id="M60" style="vertical-align:-0.04979992pt" version="1.1" viewbox="-0.0498162 -12.0286 10.0297 12.0784" width="10.0297pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,.672,-3.001)"><path d="M658 624L641 649C599 612 554 595 493 595C444 595 402 603 342 615C268 634 232 641 184 641C129 641 57 621 0 557L17 532C67 566 113 586 176 586C230 586 265 577 316 565C380 550 430 540 482 540C540 540 611 558 658 624Z" id="g119-113"></path></g><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M41 650V615C111 608 121 602 121 516V134C121 48 111 42 32 35V0H289C413 0 518 27 592 83C668 141 717 229 717 351C717 446 678 517 628 564C564 625 467 650 341 650H41ZM255 540C255 569 257 586 265 595C272 602 292 609 328 609C397 609 450 589 491 547C537 502 566 426 566 331C566 152 474 43 340 43C270 43 255 68 255 140V540Z" id="g13-66"></path></g></svg></span></td><td class="align_center"><b>8.3 x 10</b><sup>-<b>6</b></sup></td><td class="align_center"><b>5.9 x 10</b><sup>-<b>6</b></sup></td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Diffusion coefficient of mobility and water vapor (cm<sup>2</sup>/s) in Z5A-2 before and after CO<sub>2</sub> adsorption at 373 K.</div>

Advances in Mathematical Physics

tab5

Table 5

Table 5: 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 5 | 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 