Case study

Petroleum Refinery

This case study was based on a real case.

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Challenge
Opportunity


An oil refinery plant used over 180 tons/year of metallic inorganic coagulant to reduce COD and Oils & Greases in the WWTP. The results were satisfactory, but with some negative interference with the secondary biological treatment due to the pH and metal residues derived from the use of inorganic coagulant.

Flox®-QT was tested in order to improve the removal of COD and Oils & Greases, reduce treatment costs, replace the inorganic coagulant by an organic coagulant favorable to the environment and eliminate the use of hazardous products. Given the good results obtained on laboratory and industrial scale, Flox®-QT was approved for permanent use the WWTP.

Wastewater characteristics


graph_WWC_refinery_en

Cost
analysis


Total operation cost reduction: 16% (€/m3 treated effluent + sludge)

Application
Flowchart


infographic_refinary_en

Effluent
after treatment


graph_EAT_refinery_en

Treatment
comparison


graph_TC_refinery_en

Removal
percentage


graph_RP_refinery_en

BENEFITS OF THE application
of Flox®-QT


Reduced amount of coagulant in 70%

Rationalization of manpower

Production of smaller sludge volume and better quality sludge

Improved health and operational safety of the operators through the use of a product not classified as dangerous on the UN list
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