Chakraborty, Tulip

Presented at WEFTEC 2023.

Titles from this speaker

Description: Coupling MBR with PAC at Minnesota's Largest Oil Refinery: Effects on Clarifier...

Coupling MBR with PAC at Minnesota's Largest Oil Refinery: Effects on Clarifier Performance, Water Quality, and Reuse

Abstract

FHR, which is the largest refinery in Minnesota, processes not just oil, but propane, asphalt, and oil to produce transportation fuels. Such unit operations, especially during crude oil processing, generate millions of gallons of raw wastewater. The waste stream is first processed for oil and solids removal before an activated sludge process with the addition of powdered activated carbon (PAC). Due to challenges in capacity, operability, and effluent quality with the existing clarifiers, FHR decided to install MBR trains from Koch Separation Solutions (KSS) and portioned the incoming flow into two streams, with the MBR fully utilized and the remainder processed by the clarifiers. The focus of this case study is on providing an in-depth analysis of how an MBR system performs when compared to conventional clarification in this challenging environment. Effluent turbidity, total suspended solids, and membrane permeability trends are presented, along with footprint and labor comparisons.

The Flint Hills Resources Pine Bend Refinery (FHR) generates a combined waste stream from its daily oil processing. Overloaded secondary clarifiers pushed FHR to seek an upgrade for their existing system. A membrane bioreactor system (MBR) by Koch Separation Solutions was installed to reduce the load on the clarifiers. The effects of the inclusion of the MBR trains on the conventional system were evaluated. The MBR was seen to outperform the clarifiers in meeting stringent guidelines. The easy o

SpeakerChakraborty, Tulip

Presentation time

16:00:00

16:30:00

Session time

15:30:00

17:00:00

SessionThe A to Z's of Refinery Wastewater Treatment

Session locationRoom S501d - Level 5

TopicFacility Operations and Maintenance, Intermediate Level, Sustainability and Climate Change, Water Reuse and Reclamation

Author(s)

Chakraborty, Tulip

Author(s)T. Chakraborty 1; C. Buresh 2 ; B. Antrim 1; Q. Zhang 1; T. Chakraborty 1;

Author affiliation(s)Koch Separation Solutions 1; Flint Hills Resources 2 ; Koch Separation Solutions 1; Koch Separation Solution 1; Koch Separation Solutions 1;

SourceProceedings of the Water Environment Federation

Document typeConference Paper

PublisherWater Environment Federation

Print publication date Oct 2023

DOI10.2175/193864718825159141

Volume / Issue

Content sourceWEFTEC

Word count18