229910052748 manganese Inorganic materials 0.000 claims description 15.PWHULOQIROXLJO-UHFFFAOYSA-N manganese Chemical compound PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 15.229910052749 magnesium Inorganic materials 0.000 claims description 17.FYYHWMGAXLPEAU-UHFFFAOYSA-N magnesium Chemical compound FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 17.229910001861 calcium hydroxide Inorganic materials 0.000 claims description 18.239000000920 calcium hydroxide Substances 0.000 claims description 18.AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 18 AXCZMVOFGPJBDE-UHFFFAOYSA-L Calcium hydroxide Chemical compound.230000001376 precipitating Effects 0.000 claims abstract description 9.238000000926 separation method Methods 0.000 claims abstract description 20.230000002378 acidificating Effects 0.000 claims abstract description 20.239000002245 particle Substances 0.000 claims abstract description 22.239000000292 calcium oxide Substances 0.000 claims abstract description 22.239000002244 precipitate Substances 0.000 claims abstract description 28.238000000034 method Methods 0.000 claims abstract description 43.229910052602 gypsum Inorganic materials 0.000 claims abstract description 44.239000010440 gypsum Substances 0.000 claims abstract description 44.ODINCKMPIJJUCX-UHFFFAOYSA-N calcium monoxide Chemical compound =O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 45.229910052725 zinc Inorganic materials 0.000 claims abstract description 162.HCHKCACWOHOZIP-UHFFFAOYSA-N zinc Chemical compound HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 163.239000011701 zinc Substances 0.000 claims abstract description 171.239000012141 concentrate Substances 0.000 title description 2.238000004519 manufacturing process Methods 0.000 title description 9.235000009529 zinc sulphate Nutrition 0.000 title claims abstract description 83.239000011686 zinc sulphate Substances 0.000 title claims abstract description 84.S()(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 title claims abstract description 92 NWONKYPBYAMBJT-UHFFFAOYSA-L Zinc sulfate Chemical compound.Assignors: CHOI, YEONUK Publication of US20110165059A1 publication Critical patent/US20110165059A1/en Application granted granted Critical Publication of US8900535B2 publication Critical patent/US8900535B2/en Status Active legal-status Critical Current Adjusted expiration legal-status Critical Links Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from US29310010P external-priority Application filed by Barrick Gold Corp filed Critical Barrick Gold Corp Priority to US12/986,898 priority Critical patent/US8900535B2/en Assigned to BARRICK GOLD CORPORATION reassignment BARRICK GOLD CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee Barrick Gold Corp Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor Yeonuk Choi Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number US12/986,898 Other versions US8900535B2 Google Patents Production of zinc sulphate concentrates from a dilute zinc sulphate solutionÄownload PDF Info Publication number US20110165059A1 US20110165059A1 US12/986,898 US98689811A US2011165059A1 US 20110165059 A1 US20110165059 A1 US 20110165059A1 US 98689811 A US98689811 A US 98689811A US 2011165059 A1 US2011165059 A1 US 2011165059A1 Authority US United States Prior art keywords zinc sulphate gypsum solution rich product Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US20110165059A1 - Production of zinc sulphate concentrates from a dilute zinc sulphate solution US20110165059A1 - Production of zinc sulphate concentrates from a dilute zinc sulphate solution
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