Toxic dissolved and dispersed hydrocarbon removal in industrial wastewater and groundwater treatment and reuse with the Macro Porous Polymer Extraction Technology

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Abstract
The trend to more severe discharge requirements and to polluted groundwater treatment pushed by governments and followed by industries goes together with the development of more advanced water treatment technologies. Nowadays these requirements have gained such high standards that one step further to contaminated water reuse becomes attractive, especially in areas where fresh water is scarce or very expensive. In such cases innovative technologies with high separation performances are particularly attractive.

The Macro Porous Polymer Extraction (MPPE) Technology from Veolia Water is able to remove dissolved and dispersed hydrocarbons with 99.9999% if needed. The MPPE technology is basically a liquid/liquid extraction process where the extraction liquid is immobilized in a macro porous polymer. MPPE is able to remove dissolved and dispersed halogenated / chlorinated hydrocarbons, aromatics (BTEX), aliphatics (dispersed oil), polyaromatic hydrocarbons (PAHs) and other toxic constituents like MTBE, Tetra Hydrothiophene (THT) etc.

Cases will be presented from zero harmful offshore produced water discharge to treatment and reuse of wastewater and polluted groundwater in coal, browncoal, chemical, pharmaceutical, coatings and refinery locations.

Two specific applications will be further highlighted in LNG wastewater reuse and refinery polluted groundwater reuse where toxic constituents like BTEX, MTBE, PAH, Aliphatics (dispersed oil) will be removed with MPPE, followed by other technologies like iron & manganese removal, biotreatment, multimedia and membrane filtration to result into potable water, cooling water and boiler feedwater.

This service is proposed to industries by Veolia Water as a complete package including state of the art technologies design and build to achieve specific requirements, plus operation and maintainance of the assets and performances & process guarantees based on long-term contracts.

Keywords
MPPE, produced water reuse, wastewater reuse, groundwater reuse, dissolved and dispersed hydrocarbons, Zero Harmful discharge (ZHD), Environmental Impact Factor (EIF).

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