recovering aluminum contact time to reach equilibrium
Recycling

Recovering Aluminum from Copper Leach Liquor by Ion Exchange

Table of ContentsSingle-Contact TestsEquilibrium Characteristics of the Resin-Leach Liquor SystemContact TimesDistribution IsothermsLoading CharacteristicsStripping CharacteristicsMultiple-Cycle TestsHydrogen-Form Resin—H2SO4 EluantSodium-Form Resin—NaCl EluantEstablished Conditions with Dump Leach LiquorSelectivity Tests

Read More »
chalcopyrite concentrate ferric chloride leaching
Hydrometallurgy

Ferric Chloride Leaching of Chalcopyrite Concentrate

Table of ContentsProcess DescriptionLeachingCopper PrecipitationFerric Chloride RegenerationSulfur RecoveryEconomicsCapital CostsOperating CostsProfitabilityTechnical Evaluation Most copper is produced from chalcopyrite concentrates by smelting. While smelting is both simple

Read More »
Environment & Tailings

Water in Mining

Table of ContentsWhy Mining needs Water & How is Water UsedWhat are the Sources of Water for MiningMine Water Treatment Processes Why Mining needs Water

Read More »
Environment & Tailings

We’re in Compliance, but the Fishes are Dead

Table of ContentsBAM Tailings Pond ChemistryBAM Flowsheet DescriptionReagentsEcotoxicologyAction PlanStudy ObjectivesTask and DeliverablesReceiving Water Aquatic ResourcesMitigation MeasuresDownstream EnvironmentMitigation MeasuresWater Quality Limits and Parameters Assessment The Water

Read More »

How to Read a Water Report

Here is the importance of understanding your water report, this applies to well water, lake water and of course city water quality report. You don’t

Read More »
Environment & Tailings

Mining Company Stops Killing Fishes

Table of ContentsBAM Tailings Pond ChemistryBAM Flowsheet DescriptionReagentsEcotoxicologyAction PlanStudy ObjectivesTask and DeliverablesMitigation MeasuresMitigation MeasuresResultsData ReviewStandards AnalysisEcotoxicology TestingFindings and RecommendationsMitigation and MonitoringLessons Background: As we learned

Read More »
Environment & Tailings

World Bank & Extractive Industries – Mining

Table of ContentsWorld Bank BackgroundMakeupRoles of the five World Bank Group InstitutionsExtractive Industries Review ProcessInitiationMakeupObjectiveFindings and Recommendations of the Extractive Industries ReviewPrefaceExecutive SummaryPro-poor GovernanceEnvironmental and

Read More »
Environment & Tailings

Zeolites to Remove Heavy Metals from Water

Table of ContentsFormColorRefractive IndexRing MembersCrystal StructureCrystal SizeCrystallinityEffective Pore DiameterCrystal Void Volume (cc/cc)Packing DensitySiO2/Al2O3 RatioMOH’s HardnessMoisture as PackagedpH of 1 % DispersionStabilityIon Exchange CapacityAmmonia Exchange CapacityTypical

Read More »