Diapositiva 1

SAMPLE PREPARATION
Equipment: Crusher, pulverizer, mill,
oven, weights, scales, sieves, quarters,
briquetting press, cutter, polisher.
Techniques:
Crushing, grinding, homogenization,
classification and sampling.
Briquettes preparation, thin laminate,
polished surfaces.
MINERAL CHARACTERIZATION
• Studies: Megascopic, microscopic, and petrographic.
• Mineralogical analysis and reconstruction.
• Mineral phase’s identification.
• Thermo gravimetric Study
Equipment:
• Stereoscopic Microscope
• Polarizing microscope (transmitted light and reflected light)
Confocal microscope
• Scanning electronic microscope SEM-EDS
• x-ray diffractometer
• TGA / DTA
Techniques:
Megascopic and microscopic observation,
x-ray diffraction, petrography, mineralogy,
thermal analysis, reconstruction, Rietveld
method (metallo), chemical identification and
mineral phase’s quantification.
CHEMICAL ANALYSIS
OBJECTIVE
Support the sustainable development of
enterprises oriented to the processing of
metallic and non-metallic minerals
through applied research and technology
development, human resource training,
and specialized services
AREAS OF INTEREST
Processing of metallic and non-metallic minerals.
Profit and recycling of waste materials.
Area: Refractory Mineral Bioleaching
Bioleaching development process as pretreatment for recovery of gold
and silver or refractory minerals.
BIOLEACHING OF CHALCOPYRITE
.
B A C TE R IA A C ID ITH IO B A C ILLU S
FE R R O O X ID A N S (A .f)
Area: development of oxidative leaching processes
SPHALERITE DIRECT LEACH (ZnS) -. Development
of an alternative to roasting process for the
recovery of zinc.
N úcleo no
reaccionado
de Z nS
C apa de
azufre
elem ental
50 μ m
Area: development of new products from minerals
APPLICATION OF MATERIAL FOR THE PRODUCTION ZEOLITIC GEOPOLYMER
Area: Concentration of sulphide minerals and flotation
• METALLURGICAL EXPERIMENTATION AND CHARACTERIZATION
STUDY OF A RUSTY MINERAL LEAD AND ZINC SULFIDE.
• BASIC ENGINEERING FOR PLANT DESIGN.
Area: Non- metallic minerals
• CHARACTERIZATION AND EVALUATION STUDY OF A ZEOLITIC
MINERAL FOR ITS APPLICATION AS A CONCRETE
AGGREGATE
•
APPLICATION OF THERMOPHILIC BACTERIA OF THE SULFOLOBUS GROUP TO THE GOLD
REFRACTORY MINERAL PROCESSING. PROJECT FOMIX-CHIHUAHUA 2006. CODE: CHIH2006-C02-58452. 2007-DATE.
•
“RELEVANT PROCESSES STUDY ASSOCIATED WITH SELECTIVE BIOFLOTATION OF
COMPLEX SULPHIDE MINERALS ". CYT-SEP 07. CODE: 48639-R. 2007-DATE.
•
“ARSENIC BIOLEACHING OF LEAD CONCENTRATE". SEP-CYT. CODE: 34223-B.
COMPLETED.
•
“ANTIMONY AND ARSENIC BIOLEACHING OF COPPER CONCENTRATE". FOSIVILLA-CYT.
CODE: 20,000,405,002. COMPLETED.
Personal
DR. ERASMO ORRANTIA BORUNDA
erasmo.orrantia@cimav.edu.mx
ING. PEDRO CASTILLO CASTILLO
pedro.castillo@cimav.edu.mx
M.C. Enrique Torres Moye
enrique.torres@cimav.edu.mx
www.cimav.edu.mx
Miguel de Cervantes 120 Compl. Ind. Chihuahua, C.P. 31109
Chih., Chihuahua.