A Novel Evaluation Method of Hydrogen Production from Coal Based on AHP and GRA-TOPSIS

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Scheme</td><td class="align_center"><span style="width: 14.2298ptpx;"><svg height="14.7403pt" id="M31" style="vertical-align:-3.943601pt" version="1.1" viewbox="-0.0498162 -10.7967 14.2298 14.7403" width="14.2298pt" 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 480C600 590 528 650 384 650H143L137 622C222 614 225 607 210 531L130 127C113 41 106 36 23 28L17 0H294L300 28C204 36 195 42 212 127L243 284L314 263C327 263 339 263 352 264C465 271 600 337 600 480ZM508 481C508 351 402 304 329 304C289 304 265 311 250 317L295 559C302 594 310 606 323 611C335 616 350 619 367 619C455 619 508 573 508 481Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,8.026,-5.741)"><path d="M556 236V289H337V504H275V289H56V236H275V-4H337V236H556Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.656,3.784)"><path d="M250 606C250 634 233 656 203 656C168 656 146 618 146 593C146 564 169 545 192 545C227 545 250 573 250 606ZM227 95L212 119C187 98 152 71 135 71C129 71 128 78 134 102L207 373C219 418 217 451 194 451C165 451 92 411 30 351L44 326C77 353 106 371 114 371C124 371 121 357 117 341L55 97C32 5 46 -12 70 -12C108 -12 191 51 227 95Z"></path></g></svg></span></td><td class="align_center"><span style="width: 14.2298ptpx;"><svg height="14.7403pt" id="M32" style="vertical-align:-3.943601pt" version="1.1" viewbox="-0.0498162 -10.7967 14.2298 14.7403" width="14.2298pt" 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 480C600 590 528 650 384 650H143L137 622C222 614 225 607 210 531L130 127C113 41 106 36 23 28L17 0H294L300 28C204 36 195 42 212 127L243 284L314 263C327 263 339 263 352 264C465 271 600 337 600 480ZM508 481C508 351 402 304 329 304C289 304 265 311 250 317L295 559C302 594 310 606 323 611C335 616 350 619 367 619C455 619 508 573 508 481Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,8.026,-5.741)"><path d="M556 236V289H56V236H556Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.656,3.784)"><path d="M250 606C250 634 233 656 203 656C168 656 146 618 146 593C146 564 169 545 192 545C227 545 250 573 250 606ZM227 95L212 119C187 98 152 71 135 71C129 71 128 78 134 102L207 373C219 418 217 451 194 451C165 451 92 411 30 351L44 326C77 353 106 371 114 371C124 371 121 357 117 341L55 97C32 5 46 -12 70 -12C108 -12 191 51 227 95Z"></path></g></svg></span></td><td class="align_center">Relative closeness</td><td class="align_center">Rank</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Coal gasification</td><td class="align_center">0.9140</td><td class="align_center">0.9024</td><td class="align_center">0.5032</td><td class="align_center">2</td></tr><tr><td class="align_left">Coke oven gas</td><td class="align_center">1.0000</td><td class="align_center">0.6877</td><td class="align_center">0.5925</td><td class="align_center">1</td></tr><tr><td class="align_left">Electrolytic water</td><td class="align_center">0.9422</td><td class="align_center">1.0000</td><td class="align_center">0.4851</td><td class="align_center">4</td></tr><tr><td class="align_left">Solar</td><td class="align_center">0.8973</td><td class="align_center">0.9004</td><td class="align_center">0.4992</td><td class="align_center">3</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comprehensive evaluation and ranking table of hydrogen production technical scheme.</div>

Advances in Civil Engineering

tab5

Table 5

Table 5: A Novel Evaluation Method of Hydrogen Production from Coal Based on AHP and GRA-TOPSIS 