Pilot scale treatment of chromite ore processing residue using sodium sulfide in single reduction and coupled reduction/stabilization processes

Journal of Hazardous Materials

Volumn 207-208, Issue , 2012, Pages 97-102

  Velasco, Antonio ^a   Ramírez, Martha ^a   Hernández, Sergio ^b   Schmidt, Winfried ^c   Revah, Sergio ^d  

^a Instituto Nacional de Ecologia   (Mexico)

^b DEPARTAMENTO DE QUÍMICA   (Mexico)

^c Secretaria de Medio Ambiente y Recursos Naturales Mexico   (Mexico)

^d DEPARTAMENTO DE PROCESOS Y TECNOLOGÍA   (Mexico)

Author keywords

Chromite ore processing residue; Hexavalent chromium; Sodium sulfide; Stabilization

Indexed keywords

CHROMITE ORE PROCESSING; CR REDUCTIONS; HELICAL RIBBONS; HEXAVALENT CHROMIUM; MASS RATIO; MIXING TIME; PILOT EXPERIMENT; PILOT SCALE; REDUCTION PROCESS; REGULATORY LIMIT; REMOVAL EFFICIENCIES; SINGLE-AGENT; SODIUM SULFIDE; SODIUM SULFIDES; STABILIZING AGENTS;

CEMENTS; CHROMITE DEPOSITS; CHROMIUM; GYPSUM; LIME; MIXERS (MACHINERY); RATING; SODIUM; SODIUM COMPOUNDS; STABILIZATION;

CHROMITE;

CALCIUM OXIDE; CALCIUM SULFATE; CEMENT; CHROMIC ACID; CHROMIUM; SODIUM SULFIDE; STABILIZING AGENT;

CEMENT; CHROMITE; CONCENTRATION (COMPOSITION); EXPERIMENTAL STUDY; GYPSUM; LIME; ORE BODY; POLLUTANT REMOVAL; REDUCTION; SODIUM; STABILIZATION; SULFIDE (INORGANIC); WASTE TREATMENT;

ARTICLE; CHROMITE ORE PROCESSING RESIDUE; CONCENTRATION (PARAMETERS); CONTROLLED STUDY; IMMOBILIZATION; MOLECULAR WEIGHT; PILOT STUDY; REDUCTION; SLUDGE STABILIZATION; WASTE WATER;

CHROMIUM; HYDROGEN-ION CONCENTRATION; OXIDATION-REDUCTION; PILOT PROJECTS; SULFIDES;

EID: 84857234055     PISSN: 03043894     EISSN: 18733336     Source Type: Journal    
DOI: 10.1016/j.jhazmat.2011.04.012     Document Type: Article

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