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Siemens to deliver wastewater treatment system for propylene oxide-styrene monomer plant in China

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Hydrocarbon Engineering,


Siemens Water Solutions has received an order for a complete wastewater treatment system for Tianjin Bohua Chemical Development’s (a subsidiary of Bohai Chemical Group) new propylene oxide-styrene monomer (POSM) plant.

The plant, located at the Nangang Industrial Zone in northern China’s Tianjin, will have a production capacity of 200 000 tpy of propylene oxide (PO) and 450 000 tpy of styrene monomer (SM).

Tianjin Bohua Chemical is building the grassroots petrochemical plant using technology licensed from REPSOL in Spain, for which Siemens Water Solutions previously provided a complete wastewater treatment system that included a Zimpro® wet air oxidation (WAO) system; and PACT® and wet air regeneration (WAR) systems.

Siemens will supply two Zimpro WAO systems; a true 2-stage (T2S) PACT membrane bioreactor (MBR); ozone oxidation; and WAR systems on the Nangang Industrial Zone project.

Effluent from the wastewater treatment system will be discharged into Bohai Bay, which is the subject of water quality improvement initiatives by the Chinese government, limiting the allowable chemical oxygen demand (COD) concentration in the discharge to less than 30 ppm.

Read the article online at: https://www.hydrocarbonengineering.com/petrochemicals/03102018/siemens-to-deliver-wastewater-treatment-system-for-propylene-oxide-styrene-monomer-plant-in-china/

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