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INTENSIFICATION OF UNDERGROUND WATER TREATMENT PROCESSES FOR OIL REFINERIES IN HIGH-LATER AREAS
Table 1 - The STK-A sorbent characteristics
Bulk density, kg/m3 | 18…25 |
Flakes (granulated material), mm | 1.4…5 |
Oil sorption capacity, kg of oil / specimen, kg | 30…60 |
Flotation capacity for a month, % | 90…100 |
Reduction of interfacial tension (water – oil), erg/cm2 | 2.5…3.5 |
The share of processed oil by microorganisms after 7-14 days | |
а) biodestructable activity under aerobic conditions, % | |
More than 10 ºС | 50…70 |
At 0 ... +10 ºС | 25…40 |
b) biodestructive activity under anaerobic conditions, % | |
More than 10 ºС | 20…35 |
at 0 ... +10 ºС | 10…15 |
Decrease in the activity after three years of storage, % | 30…40 |