septage receiving station spiraltec case study · 2 inclined cylindrical screen case studies...

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Septage Receiving Station Spiraltec Case Study

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Inclined Cylindrical Screen

Case studies

Langley, WA

Septage

Receiving

Station

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City of Langley (WA) Septage Receiving Station’ Upgrade

Scope of work

Previous installation

Installation of the Spiraltec in tank unit

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• * All biosolids (including septage) or sewage sludge must be treated by a

process such as physical screening (3/8’’) to significantly remove

manufactured inerts prior to final disposition.

(Department of Ecology – State of Washington)

Scope of Work

Replace the current manual screen

City has to comply with the Biosolids rule*



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Scope of work



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WASTEWATER TREATMENT EQUIPENT Previous Installation

Septage receiving station with a manual screen



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WASTEWATER TREATMENT EQUIPENT

Previous Installation

Issues

Have to comply with the Biosolids rule

Current screen: half inch spacing

Manual labor



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Scope of work




Aqualitec’s R&D suggested the Spiraltec in tank unit, in order to comply with the biosolids rule using at their septage receiving station.

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Pivotable feet for easy brushes replacement

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Easy brushes replacement (1 foot section)

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Previous Current



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WASTEWATER TREATMENT EQUIPENT Installation of the Spiraltec in tank unit

Benefits

Biosolids rule City complies

Manual labor Automatic system



City of Langley Technical ID



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HYDRAULIC CONDITIONS

Influent: Raw Municipal

Average flow: 0.2 mgd

Peak flow: 0.63 mgd

SPACE REQUIREMENTS - FOOTPRINT

Equipment Width: 1’ – 7’’ (500 mm)

Equipment Height: 7’ – 10’’ (2,400 mm)

Perforated Plate: 3/8’’ (10mm) Weight: 880 lbs (400 kg)

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Conclusion

Main Benefits of the Spiraltec in tank unit:

Septage receiving station solution

Requires minimal maintenance

Easy brushes replacements

Easy to install

Contact Informations

Erwan Ouattara, (310) 926-3118 – [email protected]

Olivier Monfort, (310) 703-2174 – [email protected]



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septage receiving station spiraltec case study · 2 inclined cylindrical screen case studies...

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