Microbiological Factors of Iron Biominerals Formation
L. M. KONDRATYEVA1, E. M. GOLUBEVA2, Z. N. LITVINENKO3
1Institute of Water аnd Ecological Problems, FEB RAS, 680000, Khabarovsk, Kim Yu Chen str., 65
2Institute of Tectonics аnd Geophysics, FEB RAS, 680000, Khabarovsk, Dikopoltseva str., 56
3Municiрal Unitary Enterprise “Vodocanаl”, 680003, Khabarovsk, Pionerskaya str., 8
Keywords: подземные воды, органические вещества, биопленка, биоминерал, гетит, groundwater, organic substances, biofilm, biomineral, goethite
Abstract
The article considers the peculiarities of biofilm formation in iron-bearing groundwater in the presence of organic substances with different degrees of bioavailability (yeast extract, peptone, humic substances). Scanning electron microscopy and X-ray analysis helped to identify a biomineral in the crystal structure - goethite (a-FeOOH). It was supposed that admission of surface water with organic substances into the iron groundwater creates a risk of colmatage of aquifer pore space with iron minerals of biogenic origin.
|
