Studies on Hydration Swelling and Bound Water Type of Sodium- and Polymer-Modified Calcium Bentonite

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left"></td><td class="align_center">CEC (meq/100 g)</td><td class="align_center">Gs</td><td class="align_center">Liquidity limit (<span class="nowrap"><svg height="9.14241pt" id="M5" style="vertical-align:-3.1815pt" version="1.1" viewbox="-0.0498162 -5.96091 13.5108 9.14241" width="13.5108pt" 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="M615 290C615 392 563 448 529 448C511 448 491 441 484 434L483 425C518 400 546 349 546 273C546 158 504 46 417 46C381 46 356 77 356 142C356 184 380 293 392 334L387 340L307 323C305 288 296 228 287 188C265 94 221 52 180 52C144 52 112 89 112 171C112 278 164 372 241 430L226 454C106 394 23 288 23 155C23 40 79 -12 139 -12C184 -12 245 32 285 85C292 31 322 -12 376 -12C423 -12 470 18 501 45C570 104 615 184 615 290Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,7.969,3.132)"><path d="M495 163C480 117 462 85 444 65C421 39 387 34 332 34C290 34 256 36 236 47C218 57 213 77 213 131V526C213 612 222 616 301 622V650H40V622C122 616 128 611 128 526V126C128 41 120 34 36 28V0H489C498 31 519 126 525 157L495 163Z"></path></g></svg>)</span></td><td class="align_center">Plasticity limit (<span class="nowrap"><svg height="9.14241pt" id="M6" style="vertical-align:-3.1815pt" version="1.1" viewbox="-0.0498162 -5.96091 13.7391 9.14241" width="13.7391pt" 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="M615 290C615 392 563 448 529 448C511 448 491 441 484 434L483 425C518 400 546 349 546 273C546 158 504 46 417 46C381 46 356 77 356 142C356 184 380 293 392 334L387 340L307 323C305 288 296 228 287 188C265 94 221 52 180 52C144 52 112 89 112 171C112 278 164 372 241 430L226 454C106 394 23 288 23 155C23 40 79 -12 139 -12C184 -12 245 32 285 85C292 31 322 -12 376 -12C423 -12 470 18 501 45C570 104 615 184 615 290Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,7.969,3.132)"><path d="M46 650V622C120 617 128 613 128 525V125C128 42 120 34 40 28V0H311V28C221 34 212 39 212 124V281L286 262C297 261 316 261 331 263C429 275 526 338 526 468C526 533 501 579 462 609C422 638 364 650 293 650H46ZM212 559C212 588 215 600 223 606C230 613 251 618 279 618C361 618 430 572 430 464C430 337 350 302 285 302C252 302 225 309 212 314V559Z"></path></g></svg>)</span></td><td class="align_center">SSA (m<sup>2</sup>/g)</td><td class="align_center">FSI (ml/2 g)</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">B1</td><td class="align_center">73.5</td><td class="align_center">2.71</td><td class="align_center">353</td><td class="align_center">86</td><td class="align_center">379</td><td class="align_center">26</td></tr><tr><td class="align_left">B2</td><td class="align_center">65.2</td><td class="align_center">2.63</td><td class="align_center">289</td><td class="align_center">59</td><td class="align_center">267</td><td class="align_center">25</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Physical properties of tested bentonite.</div>

Advances in Polymer Technology

tab2

Table 2

Table 2: Studies on Hydration Swelling and Bound Water Type of Sodium- and Polymer-Modified Calcium Bentonite 