Settlers Articles

26 Results found
  • Category: Water & Wastewater ×

  • Subcategory: Settlers ×

Oklahoma City Expands Filtration Capability with Aquastore Tank

by CST Industries Inc  (Oct. 9, 2015)

Things have come a long way since the Land Run of 1889, when settlers got their water from three wells: at the train station, south of the train station and in the vicinity of Santa Fe and Main. Today, the city’s water comes from a network of six man-made lakes—much of it fed by the North Canadian River and from southeastern Oklahoma. ...

Impact on sludge inventory and control strategies using the benchmark simulation model no. 1 with the Bürger-Diehl settler model

by IWA Publishing  (May 18, 2015)

An improved one-dimensional (1-D) model for the secondary clarifier, i.e. the Bürger-Diehl model, was recently presented. The decisive difference to traditional layer models is that every detail of the implementation is in accordance with the theory of partial differential equations. The Bürger-Diehl model allows accounting for ...

Utility reduces DBPs while controlling algae growth - case study

by Geomembrane Technologies Inc. (GTI)  (Dec. 25, 2014)

In the fall of 2004, the Operations Division of the Santa Clara Valley Water District (the District) started a program called the Operations Council on Excellence. The program was created to support the District’s vision of a cleaner, greener, and leaner operation. At the time, two of the District’s three water treatment plants, ...

Innovative use of lamella clarifiers for central stormwater treatment in separate sewer systems

by IWA Publishing  (Apr. 24, 2014)

Lamella settlers have been used in the past few years for the sedimentation of particles in wastewater and stormwater applications. A new and very innovative approach for the treatment of stormwater flows is proposed which extends the portfolio of solutions beyond traditional settling tanks. Surface runoff is stored in a sewer or a basin and ...

Lamella settlers for storm water treatment – performance and design recommendations

by IWA Publishing  (Jan. 29, 2014)

Three lamella settlers were monitored over a period of 4 years. The main objective was to determine removal efficiencies for total suspended solids and associated pollutants. For this purpose a new sampling method based on large volume solid samplers was developed allowing a detailed analysis of solids. With regard to total suspended solids the ...

Evaluation of DEWATS in Java, Indonesia

by IWA Publishing  (Nov. 2, 2012)

Under the Indonesian PPSP (Accelerated Sanitation Development for Human Settlements Program) thousands of new DEWATS (Decentralized Wastewater Treatment Systems) may be realized in the coming five years. Taking the massive scale of planned implementation into consideration an evaluation of the technical and financial-economic aspects and ...

Mumbai Refinery Mahaul (BPCL) API settlers

by Dewaco Ltd  (May 26, 2011)

API Settlers DEWACO deployed a complete sludge removal system consisting of: 16 nos. Chain and Flight type sludge and scum collectors and 28 nos. Scum pipes . 3 nos. 21 x 2,5 3 nos. 21 x 2,5 2 nos. 18 x 4,6 3 nos. 18 x 6,1 5 nos. 18 x 6,1 Project completion: 2008 ...

MOL oil & gas refinery

by Dewaco Ltd  (May 26, 2011)

MOL Hungarian Oil & Gas Plc is the national Oil & Gas company for Hungary, it forms part of the large MOL Group and is by far the largest, in terms of turnover for the Hungarian sector as a whole. The project is a first for the region. API Settlers DEWACO supplied a fully functional sludge removal system comprising of: 6 nos. Chain ...

Shall we upgrade one-dimensional secondary settler models used in WWTP simulators? – An assessment of model structure uncertainty and its propagation

by IWA Publishing  (Jan. 1, 2011)

In WWTP models, the accurate assessment of solids inventory in bioreactors equipped with solid-liquid separators, mostly described using one-dimensional (1-D) secondary settling tank (SST) models, is the most fundamental requirement of any calibration procedure. Scientific knowledge on characterising particulate organics in wastewater and on ...

Enhancement of settling tank capacity using a new type of tube settler

by IWA Publishing  (Sep. 1, 2010)

The effectiveness of a newly developed lamellar settler was confirmed by onsite experiments. The device had inclined parallel plates arranged in a vertical direction in a settling tank. This vertical arrangement method enables many more plates to be set compared to the conventional horizontal arrangement. As an original and distinctive innovation, ...

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