Recovery of cleaning agents from clean-in-place (CIP) wastewater using nanofiltration (NF) and forward osmosis (FO)

Kim, Wooju; Huellemeier, Holly; Heldman, Dennis R.

doi:10.1016/j.jwpe.2023.103617

Cited by 7 publications

(2 citation statements)

References 26 publications

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“…It was reported that, nearly 60% of the total water consumption of a dairy factory is related to the on-site cleaning process, and a high share of wastewater from dairy factories is related to this process 16 . All initial, intermediate, and final water rinse steps, as well as alkaline and acid washes, are related to the on-site cleaning process.…”

Section: Introductionmentioning

confidence: 99%

“…However, those processes were pressure driven and energy-intensive technologies, and the presence of the aforementioned compounds caused fouling. Ju Kim et al 16 integrated the nano-filtration and forward osmosis processes for recovery of cleaning agents from on-site cleaning dairy wastewater. Form the results, the nano-filtration steps were found to eliminate remarkable amounts of lactose and protein contents.…”

Section: Introductionmentioning

confidence: 99%

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Technical and financial feasibility of a chemicals recovery and energy and water production from a dairy wastewater treatment plant

Basem,

Jasim,

Ghodratallah

et al. 2024

Sci Rep

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Due to the high volume of wastewater produced from dairy factories, it is necessary to integrate a water recovery process with the treatment plant. Today, bipolar membrane electrodialysis units (BMEUs) are increasingly developed for wastewater treatment and reutilizing. This article aims to develop and evaluate (technical and cost analyses) a combined BMEU/batch reverse osmosis unit (BROU) process for the recovery of chemicals and water from the dairy wastewater plant. The combined BROU/BMEU process is able to simultaneously produce water and strong base-acid, and reduce power consumption due to the injection of concentrated feed flow into the BMEU. A comprehensive comparative analysis on the performances of two combined and stand-alone BMEU configurations are developed. The proposed combined technology for dairy factory wastewater treatment is designed on a new structure and configuration that can address superior cost analysis compared to similar technologies. Further, the optimal values of permeate flux and current density as two vital and influencing parameters on the performance of the studied dairy wastewater treatment process were calculated and discussed. From the outcomes, the total cost of production in the combined configuration has been reduced by approximately 26% compared to the stand-alone configuration. Increasing the feed concentration rate using the batch reverse osmosis process for the dairy wastewater treatment process can be an ideal solution from an economic point of view. Moreover, point (current density, feed concentration rate, total unit cost) = $$\left(328.9, 7, 14.37\right)$$ 328.9 , 7 , 14.37 can be considered as an optimal point for the economic performance of the studied wastewater treatment process.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%