Open AccessON THE INFLUENCE ORGANIC COMPONENTS OF THE EXTRACT OF HERACLEUMON FLOTATION OF GOLD-BEARING SULPHIDES
Author(s) -
Иванова Татьяна Анатольевна,
Гетман Виктория Валерьевна,
Копорулина Елизавета Владимировна
Publication year - 2018
Publication title -
himiâ rastitelʹnogo syrʹâ
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.2
H-Index - 6
eISSN - 1029-5151
pISSN - 1029-5143
DOI - 10.14258/jcprm.2019024287
Subject(s) - chalcopyrite , sorption , pyrite , sulfide minerals , chemistry , scanning electron microscope , sulfide , extraction (chemistry) , reagent , nuclear chemistry , materials science , mineralogy , adsorption , chromatography , copper , organic chemistry , composite material
The complexing, sorption and flotation properties of the organic extract of the green mass of Heracleum Sosnovsky (BO) containing sulphide gold-bearing minerals were investigated. The sorption and elemental composition of the surface of the minerals before and after contact with the reagent BO were studied on polished sections using an LEO 1420VP analytical scanning electron microscope (ASEM) equipped with an X-ray energy dispersive microarray analyzer INCA 350 and a KEYNCE laser microscope with VK-9700. The sorption of furocoumarines on the surface of chalcopyrite and gold particles after their contact with the organic extract of BO was determined by a spectrophotometric method and thin-layer chromatography (TLC). By flotation studies using monomineralic powders FeS2 and CuFeS2, as well as minerals with artificially deposited gold (FeS2Au and CuFeS2Au), the flotation activity of the BO extract with respect to the gold-bearing pyrite and chalcopyrite was revealed. When flotation gold-bearing sulphide ore with the use of BO as an additional collector, an increase in the quality of the concentrate with respect to gold content up to 10.8 g / t and gold recovery into concentrate to 82.69% was found, which is 3% higher than in the base experiment. The obtained results give grounds to talk about the possibility of using the flotation of a poisonous species of Heracleum after isolation from it of natural chemical compounds possessing surface-active properties with respect to gold-bearing sulfide minerals. The extraction of an extract containing furocoumarines from the Heracleum is not a problem.