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Demineralized water plant in oil refinery


Industry

Oil Refining and Petrochemical

Type

Water treatment plant for process water production

Task

To design, manufacture, supervision of the erection and commissioning of the new water treatment plant

Water source

Surface (river) water

About the project


The water treatment unit is designed to produce demineralized and softened water for technological needs. After evaluation of operating cost and water quality requirements, the decision was made to implement membrane technologies for this project.


Technologies

Self-cleaning filters -> Ultrafiltration -> Ion Exchange filters -> Reverse Osmosis


Water treatment plant capacity

268 m3 /h demineralized water

200 m3 /h softened water










Water parameters

Parameter

Feed water

Demineralized water

pH

<7.7

5.0 – 6.0

Chlorides, mg/l

<94

<5.0

Total Hardness, meq/l

<5.48

<0.03

Oil products, mg/l

0.536

<0.01


Summarise


The turbidity, suspended solids, iron, and organic compounds were decreased during the water treatment process. The water treatment process was optimized, and the consumption of chemical reagents was reduced.


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