The Synthesis of Lead-Bearing Jarosite and Its Occurrence Characteristic and Leaching Toxicity Evaluation

Lead is the main toxic factor in jarosite residue. It important to study release behavior of lead from simulated lead-bearing (SLBJ) for predicting stability residue and its secondary pollution environment. To identify technical issues limitations associated with safe disposal, a comprehensive analysis chemical, structural, morphological characteristics SLBJ was conducted using various detection techniques including XRF, XRD, SEM-EDS, FTIR, XPS, etc. The environmental assessed through toxicity characteristic leaching procedure (TCLP), Chinese standard tests (CSLT), long-term experiment (LTLE). Phase composition revealed that primary components are sodium sulfate. TCLP CSLT results indicated content surpassed identification limit by more than 47 times. Furthermore, LTLE concentration about 15 times after prolonged contact time. This great significance