---
title: Plant Replaces Modified Dewatering Centrifuges with Sludge Thickening Centrifuges
description: City of Wyoming Clean Water Plant in Wyoming, Michigan replaces modified dewatering centrifuges with sludge thickening centrifuges
---

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# [Plant Replaces Modified Dewatering Centrifuges with Sludge Thickening Centrifuges](https://www.centrisys-cnp.com/case-studies/plant-replaces-modified-dewatering-centrifuges-with-sludge-thickening-centrifuges)

 Written by [Sample HubSpot User](https://www.centrisys-cnp.com/case-studies/author/sample-hubspot-user) | Jul 5, 2022 9:21:23 PM

Location: City of Wyoming Clean Water Plant  |  Wyoming, Michigan  
Plant Size: 90 MGD  
Installation: 2019 (1) THK350 Sludge Thickener

OPERATING DATA

- Feed @ 0.6-1.2% TS
- 240 gpm average
- 95% capture
- <1 lb/ton polymer, active
- <0.12 kW/gpm
- 6.5% TS TWAS

PROBLEM

Two aging Bird 5100 modified dewatering centrifuges were needed to thicken WAS sludge to a total flow of 240 gpm. Each of the older Bird centrifuges operated at 80 kWh with a flow of 120 gpm. The large, accelerated mass and the relatively low flow rate of each unit were the primary sources for the plant’s high power consumption.

<https://www.centrisys-cnp.com/hs/cta/wi/redirect?encryptedPayload=AVxigLI5%2FJ4KlbDVOCvSEEb6CqfdZjC2gEgtkAnvvKTsHNtPuF5eUS3J%2FpEIcrVH67cU3Z%2Byzjg%2BuMoAjsvozCtniwn7lteSjFzp98Rob4Ld2ry%2FczaXa3cKhHZs4ZJCRWl%2FlnalunamKb3n14yLYrx38M3I%2FA4nZTJAR54IoegZ7RcCwVYTnIGxRsdCYxuxBgcM7Z6B3YD%2Bjk6RV5u8cxGdHEbw3l8puvo83PuA0vpsfyNR&webInteractiveContentId=212885590354&portalId=4299619>

RESULTS

- Installation of one THK350 replaced two large Bird 5100 centrifuges
- Awarded an energy reduction grant due to the 75% power reduction, saving up to $88,300/yr ($0.08 kW/h)
- Solids discharge controlled for either off-site or land application via the patented hydro-pneumatic air which further fine-tunes the sludge control 
    - 3.5-4.5% TS for off-site pumping
    - 5.5-6.5% TS for land application

 

[View full post](https://www.centrisys-cnp.com/case-studies/plant-replaces-modified-dewatering-centrifuges-with-sludge-thickening-centrifuges)

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