公开(公告)号：WO2007035978A1

公开(公告)日：2007-04-05

申请号：PCT/AU2005/001497

申请日：2005-09-30

Applicant: BHP BILLITON INNOVATION PTY LTD ,  LIU, Houyuan ,  ROCHE, Eric, Girvan ,  PRASAD, Jaidev

Inventor： LIU, Houyuan ,  ROCHE, Eric, Girvan ,  PRASAD, Jaidev

IPC: C22B3/06 ,  C22B3/08 ,  C22B26/22 ,  C22B23/00

CPC classification number: C22B23/0461 ,  C22B23/043 ,  C22B26/22 ,  Y02P10/234

Abstract: An atmospheric leaching process in the recovery of nickel and cobalt from a lateritic ore, said lateritic ore including a low magnesium ore fraction and a high magnesium ore fraction, said process including the steps of: (a) forming an aqueous pulp of said lateritic ore, (b) leaching said aqueous pulp with a concentrated mineral acid at atmospheric pressure to produce a slurry containing a pregnant leach liquor and a leach residue, (c) treating the pregnant leach liquor either separately or as part of said slurry to recover dissolved nickel and cobalt therefrom, leaving a magnesium containing barren solution, (d) treating said magnesium containing solution to recover a magnesium containing salt therefrom.

Abstract translation: 该方法包括以下步骤：（a）形成所述红土矿石的水浆，其中所述红土矿含有低镁矿石馏分和高镁矿石馏分， ，（b）在大气压下用浓缩的无机酸浸出所述含水纸浆以产生含有怀孕浸提液和浸出残渣的浆料，（c）单独或作为所述浆料的一部分处理所述浸出液，以回收溶解的镍 和钴，留下含镁贫水溶液，（d）处理所述含镁溶液以从其中回收含镁盐。

公开(公告)号：WO2007070973A1

公开(公告)日：2007-06-28

申请号：PCT/AU2006/001983

申请日：2006-12-21

Applicant: BHP BILLITON SSM DEVELOPMENT PTY LTD ,  ROCHE, Eric, Girvan ,  PRASAD, Jaidev

Inventor： ROCHE, Eric, Girvan ,  PRASAD, Jaidev

IPC: C22B3/00 ,  C22B3/44 ,  C22B3/08 ,  C22B26/22

CPC classification number: C22B5/08 ,  C01B17/501 ,  C01B17/74 ,  C01F5/12 ,  C22B3/44 ,  C22B7/006 ,  C22B23/0461 ,  C22B26/22 ,  Y02P10/234

Abstract: A process of recovering magnesium oxide from a source of magnesium sulfate, said process including the steps of: (a) providing a source of magnesium sulfate in solution that is derived from part of a process that is associated with the leaching of a metal containing ore or concentrate; (b) converting the magnesium sulfate in solution to solid magnesium sulfate; (c) contacting the solid magnesium sulfate with elemental sulfur in a reducing atmosphere; and (d) recovering the magnesium as magnesium oxide, and the sulfur as sulfur dioxide gas.

Abstract translation: 一种从硫酸镁源回收氧化镁的方法，所述方法包括以下步骤：（a）提供溶液中的硫酸镁源，其来自与含金属矿石的浸出相关的方法的一部分 或浓缩; （b）将溶液中的硫酸镁转化成固体硫酸镁; （c）在还原气氛中使固体硫酸镁与元素硫接触; 和（d）将镁作为氧化镁回收，硫作为二氧化硫气体回收。

公开(公告)号：WO2009039579A1

公开(公告)日：2009-04-02

申请号：PCT/AU2008/001430

申请日：2008-09-26

Applicant: BHP BILLITON SSM DEVELOPMENT PTY LTD ,  ROCHE, Eric, Girvan ,  PRASAD, Jaidev

Inventor： ROCHE, Eric, Girvan ,  PRASAD, Jaidev

IPC: C01B17/74 ,  C01G51/04 ,  C01B17/69 ,  C01G53/04

CPC classification number: C01B17/745 ,  C01B17/501 ,  C01B17/775 ,  C01F5/12 ,  C01G51/04 ,  C01G51/30 ,  C01G53/04 ,  C01G53/11 ,  C22B3/44 ,  C22B23/043 ,  C22B23/0461 ,  C22B26/22 ,  Y02P10/234 ,  Y02P20/129

Abstract: A process for the recovery of sulfuric acid from a metal sulfate in solution, including the steps of : a) providing a source of metal sulfate in solution; b) converting the metal sulfate in solution into a crystallised metal sulfate salt; c) calcining the crystallised metal sulfate salt to produce the corresponding metal oxide and sulfur dioxide gas; and d) generating sulfuric acid.

Abstract translation: 一种从溶液中硫酸金属中回收硫酸的方法，包括以下步骤：a）在溶液中提供硫酸金属源; b）将溶液中的金属硫酸盐转化成结晶的金属硫酸盐; c）煅烧结晶的金属硫酸盐以产生相应的金属氧化物和二氧化硫气体; 和d）产生硫酸。

公开(公告)号：WO2008028245A1

公开(公告)日：2008-03-13

申请号：PCT/AU2007/001321

申请日：2007-09-06

Applicant: BHP BILLITON INNOVATION PTY LTD ,  ROCHE, Eric, Girvan ,  PRASAD, Jaidev ,  GRAZIER, Philip, E. ,  STUART, Alan, David

Inventor： ROCHE, Eric, Girvan ,  PRASAD, Jaidev ,  GRAZIER, Philip, E. ,  STUART, Alan, David

IPC: C22B3/08 ,  C22B3/46 ,  C22B3/44 ,  C22B34/12

CPC classification number: C22B3/44 ,  C01G23/04 ,  C01G23/0532 ,  C01G49/14 ,  C01P2004/61 ,  C22B3/22 ,  C22B34/125 ,  C22B34/1259 ,  Y02P10/234

Abstract: A sulfate process for producing titania from a titaniferous material (such as an iron-containing titaniferous material; such as ilmenite) is disclosed. The process includes precipitating titanyl sulfate from a process solution produced in the process. The titanyl sulfate precipitation step includes subjecting the precipitated titanyl sulfate to a shearing action during the course of precipitating titanyl sulfate from the process solution or after precipitation has been completed.

Abstract translation: 公开了一种由含钛材料制成二氧化钛的硫酸盐工艺（例如含铁含钛材料，如钛铁矿）。 该方法包括从该方法中生产的工艺溶液中沉淀硫酸氧钛。 硫酸氧钛沉淀步骤包括使沉淀的硫酸氧钛在从工艺溶液中沉淀硫酸氧钛的过程中或在沉淀完成之后进行剪切作用。