Loading...

Chemical and Structural Analysis and Testings radioactive materials Laboratory

Fields of activity

  • Current, elements and general analyses from water, soils, rocks, ores, concentrates, wastes, solutions samples and technological ones as well;
  • Quantitative determination of radioactive (U, Th), precious (Au, Ag, Pt), rare metals beside other elements, which are important to the research in the field of processing, recovery, technology, biotechnology and have an important impact on the environment;
  • The elaboration of new physical, chemical and physico­chemical analyses;
  • The elaboration of national standards for characterization of materials and products in mining and ores processing industry;
  • The European standards adoption in the current analytical practice;
  • Studies of the local progresses in the analytical chemistry related to the authorized European laboratories ones;
  • Analyzed samples’ type: rocks, ores, concentrates, wastes, soils and vegetation, wastewaters, surface water, technological effluents, recyclable materials (electronic equipment components).
  • Analyzed species’ type:
    • cations: Na, K, Ca, Ba, Mg, Sb, As, Fe, Pb, Mn, Cu, Zn, Ni, Se, Co, Hg, Al, Si, Ag, Au, Pt, W, Sn, V, Ti, Mo, Cr, U, Th, ∑ TR;
    • anions:  Cl– ,  NO3 –, PO4 3-, SO42-, CN– , HCO3 –,    CO3 2-;
    • other inorganic species: Fe2+/Fe3+,  U4+/U6+.
  • Usual analysis’s type: pH, conductivity, redox potential, hardness, alkalinity/acidity, oxygen chemical consumption, suspended materials ppc, moisture, TDS at 105ºC.

Used methods: gravimetry, volumetry, atomic absorption spectrometry, molecular absorption spectrometry, mass spectrometry

Testing radioactive materials

Testing radioactive materials

  • Environment balance studies level I and II and impact studies on the following fields of activity: Agriculture, Extractive industry, Energetic industry, Mining and building materials industry, Wastes management;

  • Radiological security studies for industries with nuclear and non-nuclear raw materials;

  • Documentation concerning the ceasing /closure of nuclear industry objectives; Mining acid drainage; Rehabilitation of the land excluded from the forestry and agricultural circuit for the mining and ores processing industry requirements;

  • Soil treatment techniques applied to the ones affected by the ores processing and extraction activities;

  • Radioactive decontamination of the land from the mining exploitation affected zones;

  • Ecological reconstruction of the sites affected by ores extraction and processing activities (re-vegetation, foresting, climate changes and landscape reconstruction, etc.);

  • Studies concerning the rehabilitated land reintegration into the agricultural and/or touristy circuit;

  • Computing graphic programs elaboration;

  • Projects and resources management programs elaboration;

  • Physical analyses for radioelements, heavy metals, etc.

Geo-Mining Technics and Technologies Laboratory

Fields of activity:

  • Documentations needed by mining objectives, designing, execution, exploitation and closure;

  • Studies for valorization of the secondary materials from wastes deposits resulted from the extractive activities;

  • Engineering geophysics studies;

  • Studies of the solutions for concerning the application of the geo-synthetic materials to the environment protection and reconstruction;

  • Studies and solutions for the sites affected by the mining activity reclaiming to the economical circuit;

  • Useful mineral substances extraction mining technologies;

  • Prognosis computation in mining activity;

  • Rocks physico-mechanical and rheological properties study;

  • Rocks physico-mechanical and rheological properties study;

Mineral Resources Processing Technologies and Technics Laboratory

Fields of activity

  • Ores preparation; crushing and grinding, classification;

  • Ores concentration and sorting, hydrogravitational, hydrocentrifugal, pneumatic, using flotation magnetic, electrostatic, radiometric, etc.;

  • Mineral substances aglomeration and briquetting, pelettizing;

  • Ores preparation tests and analysis;

  • Control of preparation process and samples prelevation;

  • Complex preparation technologies;

  • The rare, radioactive and precious metals hydrometalurgy, lixiviation, leaching, adsorption, ionic exchange, liquid-liquid extraction, precipitation, crystalization, drying, etc.;

  • The wastes processing technologies;

  • The treatment of wastewaters, mining waters, etc.;

  • The micro-production: precious metals;

  • Methods of intensification for unit operations used in hydrometalurgy.

Environmental Protection  Technics and Technologies Laboratory

Fields of activity:

  • Biotechnological procedures of useful elements lixiviation from rare and radioactive metals ores;

  • Refractory precious metals ores or polymetalic sulfides pretreatment using the bio-oxidation procedure;

  • Industrial wastewaters treatment in order to immobilize the heavy metals using the sulfate-reducing bacteria;

  • Biotechnologies for contaminated wastewaters de­toxification ;

  • Biotechnologies for contaminated wastewaters de­toxification ;

  • Fito-remediation procedures of areas affected by the radioactive, rare metals ores and non-metal-bearing ones extraction and processing.