Food/bev.: KanPak, Arkansas City, USA

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Project Name:
KanPak

Location:
Arkansas City, KS, USA

Type of Plant:
Industrial

Technology Used:
Biowater CMFF® Process

Biomedia Used:
Biowater BWT-X®

Operational Since:
2011

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The Challenge

KanPak’s existing wastewater treatment plant had unique challenges associated with fluctuating temperatures, flow and pollutant load. The biofilm followed by activated sludge system was loaded beyond its capacity, and operators were challenged to balance solids. Design criteria for average and peak conditions are exceeded due to production volume increase.

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The Design 
KanPak selected Biowater’s CMFF® biofilm process to retrofit the second-stage activated sludge reactor to remove organics prior to sewer discharge. The overall process is a two-stage aerobic biofilm system followed by dissolved air flotation (DAF) as shown.

Parameter    Influent Criteria     Effluent Criteria
Design Flow, gpd 259,200 n/a
COD, mg/L (kg/day) 6,975 (6,848) n/a
BOD5, mg/L (kg/day) 5,580 (5,479) 300
TSS, mg/L (kg/day) 350 (344) 350


Achievements

The pretreatment system was started up in 2009 with Biowater’s CMFF® retrofit operating in 2011. The system meets the effluent design criteria:

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The BioWater CMFF® biological process - a concept where moving plastic carriers with fixed biofilm remove organic and inorganic substances in the water.

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