-
公开(公告)号:WO2013108233A3
公开(公告)日:2013-10-24
申请号:PCT/IB2013050492
申请日:2013-01-18
Applicant: SAINT GOBAIN CT RECHERCHES
Inventor: JORGE ERIC , FRANCY OLIVIER , PANAGIOTIS OLIVIER
IPC: C25C3/08 , C04B35/101 , C04B35/107 , C25C3/18
CPC classification number: C25C7/00 , C04B35/1015 , C04B35/107 , C04B35/62665 , C04B35/63488 , C04B2235/3201 , C04B2235/3203 , C04B2235/3206 , C04B2235/3208 , C04B2235/3217 , C04B2235/3222 , C04B2235/3229 , C04B2235/3232 , C04B2235/3236 , C04B2235/3241 , C04B2235/3244 , C04B2235/3272 , C04B2235/3281 , C04B2235/3284 , C04B2235/3293 , C04B2235/3409 , C04B2235/3418 , C04B2235/3427 , C04B2235/3821 , C04B2235/442 , C04B2235/445 , C04B2235/5427 , C04B2235/5436 , C04B2235/5445 , C04B2235/5472 , C04B2235/662 , C04B2235/72 , C04B2235/727 , C04B2235/77 , C04B2235/80 , C04B2235/95 , C04B2235/9607 , C04B2235/9692 , C25C1/02 , C25C3/085 , C25C3/18 , C25C3/24
Abstract: The invention relates to an electrolytic cell for the production of aluminium by reducing alumina, said cell comprising a sidewall including at least one side block, said side block comprising an aluminous material having an apparent porosity of less than 10% and a composition, as a weight percentage on the basis of the aluminous material and for a total of 100%, such that: Al2O3 > 50%, beta-alumina being less than 20% of the weight of the aluminous material, oxides that are less reducible than alumina at 1000°C
Abstract translation: 本发明涉及用于通过还原氧化铝生产铝的电解池,所述电解池包括具有至少一个侧块的侧壁,所述侧块包含具有小于10%的表观孔隙率的铝材料和作为 以铝质材料为基准的重量百分比和总计100%,使得:Al 2 O 3> 50%,β-氧化铝小于铝材料重量的20%,在1000的情况下比氧化铝还原性更小的氧化物 °C <50%,Na2O <3.9%,其他成分<5%。