CASE STUDY
OIL & GAS - refinery
BMB Purification photocatalytic filters can be applied to all cases requiring the abatement of odours and pollutant substances coming from vents in the oil & gas production process, just as those produced by hydrocarbon storage tanks. More in general, photocatalytic filters can be used for sink tank coverings, sludge thickening, float units and sewage treatment plant tanks in refineries.
CLIENT’S NEED
Odour and pollutant substances (VOC) containment
TECHNOLOGY EMPLOYED
Photocatalytic filtering
POLLUTANTS ABATEMENT
Odour removal efficiency ≥ 98%
VOC abatement >90%
VOC abatement >90%
STRENGTHS
High abatement performances with no use of electricity
High energy saving and no environmental impact
High energy saving and no environmental impact
CHALLANGES
ELIMINATE RISKS, OPTIMISE PERFORMANCES
The realisation of the plant required custom-made solutions so as to eliminate explosivity risks. Another problem typology was represented by the management of the proper inlet and outlet air flux in the tank. More in general, among the challenges BMB faced and overcame during the design phase, the seek for a solution to minimise the necessary maintenance and optimise the plant’s performances.
THE PLANT
THE PLANT
CONTEXT AND SOLUTION NR. 1
PRFV STRUCTURE WITH BFF FILTERS
The tank collecting water coming from production processes in refineries (Intake Tank) presents environmental issues related to the creation of odours and highly dangerous pollutant organic compounds (VOC). The typology of entrance-wastewater varies and presents highly concentrated traces of substances with high risk of explosiveness.
The tank to treat has been closed with a PRFV-covered (fiberglass) structure where BFF 1200/150 photocatalytic filters have been strategically placed on. Under the tank’s covering the air gets pumped through dedicated fans, regulated by 3 explosiveness gauges placed under the covering. The insufflated air reduces the explosiveness coefficient in the area under the cover and exits through BFF photocatalytic filters, where pollutant substances and odours get eliminated.
The tank to treat has been closed with a PRFV-covered (fiberglass) structure where BFF 1200/150 photocatalytic filters have been strategically placed on. Under the tank’s covering the air gets pumped through dedicated fans, regulated by 3 explosiveness gauges placed under the covering. The insufflated air reduces the explosiveness coefficient in the area under the cover and exits through BFF photocatalytic filters, where pollutant substances and odours get eliminated.
CONTEXT AND SOLUTION NR. 2
SOLAR POWERED PHOTOCATALYTIC FILTERS
The tanks containing hydrocarbons and heavy oils reach high temperatures, a condition in which the hydrocarbon evaporates and creates pressure that must be discharged through proper relief valves. The vent is rich in pollutant substances (VOC) at high odorous impact. It is therefore necessary to intercept the air coming out of the valves to reduce both the VOC and the odorous impact, yet avoiding an excessive vacuum.
The valve of the tank to treat has been funnelled through a series of solar powered BFF 1200/150 photocatalytic filters (activated by Uv radiations) preceded by a mist eliminator. The air adduction pipeline for filters has been regulated so as to minimise pressure losses, to allow both the discharge and the influx of the air when the tank gets emptied.
The valve of the tank to treat has been funnelled through a series of solar powered BFF 1200/150 photocatalytic filters (activated by Uv radiations) preceded by a mist eliminator. The air adduction pipeline for filters has been regulated so as to minimise pressure losses, to allow both the discharge and the influx of the air when the tank gets emptied.
TURNKEY PLANT
Each industrial air purification plant with scrubber tower realised by BMB is custom-designed after an accurate field study phase. The initial study of conditions, context and problems to solve allows our technicians to recommend targeted and personalised solutions, dedicated plants and specific technologies for each kind of problem.
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