Recovery and Enrichment of Platinum from Spent Al<sub>2</sub>O<sub>3</sub> Carrier Catalysts by Matte Smelting-Acid Leaching Process

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Material name</td><td class="align_center">FeS<sub>2</sub></td><td class="align_center">FeS<sub>2</sub></td><td class="align_center">S<sub>2</sub></td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left"><svg height="15.8638pt" id="M7" style="vertical-align:-3.9436pt" version="1.1" viewbox="-0.0498162 -11.9202 28.4007 15.8638" width="28.4007pt" 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="M600 0V24L339 665L311 657L43 24V0H600ZM497 50H107L303 539L497 50Z"></path></g><g transform="matrix(.013,0,0,-0.013,8.327,0)"><path d="M449 634C442 637 425 643 405 650C376 660 341 666 307 666C181 666 98 590 98 485C98 400 170 343 215 310L246 288C307 243 343 204 343 147C343 67 291 18 219 18C104 18 61 124 51 202L23 199C28 124 27 71 27 47C47 22 122 -16 204 -16C324 -16 428 60 428 174C428 256 379 309 307 360L276 382C223 419 179 455 179 516C179 576 221 632 293 632C379 632 410 564 418 487L448 490C446 536 446 592 449 634Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,14.463,-5.741)"><path d="M381 665C169 665 46 493 46 316C46 125 186 -15 367 -15C552 -15 701 117 701 333C701 534 551 665 381 665ZM359 626C493 626 596 514 596 304C596 113 499 26 389 26C251 26 151 159 151 345C151 532 249 626 359 626ZM506 223V443H470C463 376 458 370 410 370H336C287 368 282 374 275 443H239V223H275C282 290 287 297 335 297H410C458 297 463 290 470 223H506Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,14.398,3.784)"><path d="M414 144C384 79 371 75 317 75H135L276 221C367 316 408 376 408 465C408 570 327 635 237 635C179 635 131 609 100 575L42 494L67 471C94 510 138 565 205 565C277 565 321 517 321 435C321 348 258 270 195 195C146 137 88 81 33 26V0H411C423 44 433 88 446 135L414 144Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,18.83,3.784)"><path d="M247 635C116 635 39 518 39 421C39 315 113 237 221 237C239 237 258 241 281 253L349 289C315 140 204 42 60 19L66 -15C90 -15 153 -5 207 16C344 70 447 199 447 385C447 521 373 635 247 635ZM231 598C329 598 356 478 356 390C356 371 355 347 352 325C330 309 297 297 262 297C179 297 127 369 127 456C127 515 156 598 231 598Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,23.262,3.784)"><path d="M253 635C142 635 71 555 71 471C71 401 113 353 178 316C144 294 106 267 91 252C70 231 46 202 46 157C46 51 132 -12 241 -12C328 -12 442 52 442 168C442 257 379 305 311 343C354 373 380 398 388 407C406 428 417 458 417 487C417 568 348 635 253 635ZM240 600C288 600 340 563 340 481C340 423 313 387 279 360C207 394 148 427 148 499C148 549 182 600 240 600ZM252 23C188 23 129 73 129 163C129 217 162 266 211 298C289 260 360 217 360 144C360 69 312 23 252 23Z"></path></g></svg>/J. K <sup>−1</sup></td><td class="align_center">52.928</td><td class="align_center">60.291</td><td class="align_center">228.028</td></tr><tr><td class="align_left"><svg height="15.8638pt" id="M8" style="vertical-align:-3.9436pt" version="1.1" viewbox="-0.0498162 -11.9202 32.4197 15.8638" width="32.4197pt" 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="M600 0V24L339 665L311 657L43 24V0H600ZM497 50H107L303 539L497 50Z"></path></g><g transform="matrix(.013,0,0,-0.013,8.327,0)"><path d="M828 650H570L564 622C646 614 650 609 634 524L604 366H253L281 524C296 608 308 615 382 622L388 650H132L126 622C211 615 214 609 198 524L121 122C106 42 102 35 23 28L17 0H276L282 28C196 35 191 40 206 122L243 324H597L559 123C544 42 537 35 452 28L446 0H710L716 28C632 35 628 43 643 122L719 524C735 610 741 615 822 622L828 650Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,19.25,-5.741)"><path d="M381 665C169 665 46 493 46 316C46 125 186 -15 367 -15C552 -15 701 117 701 333C701 534 551 665 381 665ZM359 626C493 626 596 514 596 304C596 113 499 26 389 26C251 26 151 159 151 345C151 532 249 626 359 626ZM506 223V443H470C463 376 458 370 410 370H336C287 368 282 374 275 443H239V223H275C282 290 287 297 335 297H410C458 297 463 290 470 223H506Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,18.402,3.784)"><path d="M414 144C384 79 371 75 317 75H135L276 221C367 316 408 376 408 465C408 570 327 635 237 635C179 635 131 609 100 575L42 494L67 471C94 510 138 565 205 565C277 565 321 517 321 435C321 348 258 270 195 195C146 137 88 81 33 26V0H411C423 44 433 88 446 135L414 144Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,22.834,3.784)"><path d="M247 635C116 635 39 518 39 421C39 315 113 237 221 237C239 237 258 241 281 253L349 289C315 140 204 42 60 19L66 -15C90 -15 153 -5 207 16C344 70 447 199 447 385C447 521 373 635 247 635ZM231 598C329 598 356 478 356 390C356 371 355 347 352 325C330 309 297 297 262 297C179 297 127 369 127 456C127 515 156 598 231 598Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,27.266,3.784)"><path d="M253 635C142 635 71 555 71 471C71 401 113 353 178 316C144 294 106 267 91 252C70 231 46 202 46 157C46 51 132 -12 241 -12C328 -12 442 52 442 168C442 257 379 305 311 343C354 373 380 398 388 407C406 428 417 458 417 487C417 568 348 635 253 635ZM240 600C288 600 340 563 340 481C340 423 313 387 279 360C207 394 148 427 148 499C148 549 182 600 240 600ZM252 23C188 23 129 73 129 163C129 217 162 266 211 298C289 260 360 217 360 144C360 69 312 23 252 23Z"></path></g></svg>/J</td><td class="align_center">−171544</td><td class="align_center">−100416</td><td class="align_center">−128658</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Materials Science and Engineering

tab1

Table 1

Table 1: Recovery and Enrichment of Platinum from Spent Al<sub>2</sub>O<sub>3</sub> Carrier Catalysts by Matte Smelting-Acid Leaching Process 

Advances in Materials Science and Engineering

Recovery and Enrichment of Platinum from Spent Al2O3 Carrier Catalysts by Matte Smelting-Acid Leaching Process

Table 1

Recovery and Enrichment of Platinum from Spent Al₂O₃ Carrier Catalysts by Matte Smelting-Acid Leaching Process