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Stockholm wastewater treatment plant makes a clean

2018-6-27  The Käppalaverket (Käppala Wastewater Treatment Plant) in Lidingö, Stockholm treats the wastewater of 650,000 residents all day, every day. Wastewater from 11 municipalities arrives via an underground network of pipes that stretches tens of kilometers.

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In English - kappala.se

The Käppala Association treats wastewater from over 500 000 inhabitants in eleven municipalities located north and east of Stockholm. Our treatment plant, the Käppala wastewater treatment plant, is Sweden’s third-largest, and employs a very effective treatment process.

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Energy optimization of the aeration process at Käppala ...

2017-11-9  Energy optimization of the aeration process at Käppala wastewater treatment plant . A. Thunberg*, A-M. Sundin* and B. Carlsson** *Käppala Association, Box 3095, SE-181 03

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A third digester in the Käppala wastewater treatment

The Käppala plant in Lidingö receives wastewater from 1.5 million people in eleven municipalities to the north and east of Stockholm. The plant is to be equipped with a third digester in order to create redundancy in the process and enable planned maintenance, as well

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Käppala - an efficient water treatment plant

Käppala – an efficient water treatment plant Käppalaverket is one of the world’s most efficient water treatment installations, with the entire northern Stockholm as a catchment area. Apart from the fact that the installation treats water for over 500 000 people, it also produces biogas, running 100 busses.

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Modeling of Käppala Waste Water Treatment Plant

Master’s thesis by Mr. Maberana Moses Bashide: Modelling of Käppala wastewater treat- ment plant – evaluation of the influence of storm water to the treatment process. This master’s thesis is the culmination of a two year master’s program (2013 – 2015) in

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Influence of excessive water on wastewater treatment ...

2015-10-6  Influence of excessive water on wastewater treatment performance ... Influence of excessive water on wastewater treatment performance An analysis using key performance indicators ... and Käppala had the largest variation in flow during the years included in the study. As a consequence of the large variations in flow, Gryaab bypassed the

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Relocation of Sha Tin Sewage Treatment Works to

Name of wastewater treatment plant : Käppala Wastewater Treatment Plant: ... Distance between wastewater treatment plant and residential area. Aeration Tank : Home. What's New. The Project. Background of Project. Scope of Investigation and Design Works. Latest Progress of Project.

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Removal of pharmaceuticals and unspecified

Consequently, the conventional wastewater treatment in Käppala seems to be efficient in removing estrogenic contaminants, but differences in experimental design, e.g. exposure time, hampers direct comparison between our results and those from Henriksdal STP.

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Ögländ System AB delivers to Sweden's third largest ...

2018-10-6  The Käppala wastewater treatment plant outside of Stockholm is in the process of constructing a new sludge-digestion compartment to deal with increasing amounts of wastewater. At the same time, a new facility for high-flow wastewater is constructed to keep up with future treatment

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A third digester in the Käppala wastewater treatment

The Käppala plant in Lidingö receives wastewater from 1.5 million people in eleven municipalities to the north and east of Stockholm. The plant is to be equipped with a third digester in order to create redundancy in the process and enable planned maintenance, as well

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Käppala - an efficient water treatment plant

Koholmen Wastewater Treatment Plant in The Municipality of Karlskrona Koholmens Wastwater Treatment Plant is designed for 57,000 inhabitants and is the heart of Karlskrona system for the resort’s sewage management.

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Energy optimization of the aeration process at

2016-2-29  Background Wastewater treatment is a resource-intensive process that utilises several inputs, such as energy, chemicals and water, to produce

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Wastewater treatment - cowi

Wastewater treatment Detailed knowledge of wastewater treatment processes, combined with automatic on-line control, improves the chances of increasing the efficiency of treatment processes. We offer consultancy services on the treatment and handling of municipal and industrial wastewater

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Removal of pharmaceuticals and unspecified

Consequently, the conventional wastewater treatment in Käppala seems to be efficient in removing estrogenic contaminants, but differences in experimental design, e.g. exposure time, hampers direct comparison between our results and those from Henriksdal STP.

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(PDF) Aeration Control with Gain Scheduling in...

2001-10-17  control at the Käppala wastewater treatment plant in full-scale operation and by simulation using a calibrated model of the plant. T he ai m was to vary the controller settings based on the ...

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Waste Treatment in Sweden Sewage Treatment

The Good Small Wastewater Treatment Project The Stockholm Water Co (utility) carried out an interesting evaluation of small wastewater treatment systems in 2000-2002.g. • Sub-soil filters can eventually become saturated with phosphate s and get blocked giving a poorer purification function (can even apply to infiltration systems).

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Modeling of Käppala Waste Water Treatment Plant ...

2015-10-7  The Käppala WWTP data is modelled by using WEST software to evaluate how the storm water affects the treatment plant process and to use the flow data from Ryaverket WWTP to the Käppala WWTP model in order to model. The flow estimation method which gives best results for the flow data over a long period on the low flow occurrence is 95 percentile flow estimation method.

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Diagnosis Problems in Wastewater Settling - Lund

2015-10-7  Diagnosis Problems in Wastewater Settling Abstract Solids-liquid separation is of crucial importance in wastewater treatment systems, in particular in activated sludge systems. This is true in a wide spectrum of operating conditions. During severe hydraulic loading the clarifier becomes the bottle-neck. ... Käppala WWT works have shared their

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Laboratory-scale assessment of vacuum-degassed

2016-11-3  Vacuum degassing of activated sludge was tested at eight different Swedish wastewater treatment plants with laboratory-scale equipment in batch mode in order to evaluate its efficiency on improvement of sludge compaction and settling properties. The results show that the efficiency of

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Energy Optimization of the Aeration Process at

As a part of making Käppala wastewater treatment plant (WWTP) in Stockholm Sweden more energy efficient a full-scale optimization experiment of the dissolved oxygen (DO) control in the aerobic tanks have been performed.

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Descriptive Assessment and Industrial Electrical ...

2015-10-7  sources enter the wastewater treatment plants (WWTPs) everyday, which is an ever-increasing ... in cooperation with four Swedish wastewater treatment plants: Ellinge, Käppala, Ryaverket and Sjölunda. ... product at the Division of Industrial Electrical Engineering and Automation (IEA) in the Faculty of Engineering, Lund University. ...

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Biological Wastewater Treatment in Helsingborg ...

Koholmen Wastewater Treatment Plant in The Municipality of Karlskrona Koholmens Wastwater Treatment Plant is designed for 57,000 inhabitants and is the heart of Karlskrona system for the resort’s sewage management.

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Water and Wastewater Industry User Application Guide

2018-3-8  Käppala Wastewater Treatment Plant, Stockholm, Sweden Ulu Pandan Wastewater Reclamation Plant, Singapore Alexandria Sanitation Authority Advanced WWT Facility

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Upgrading and expansion of the Käppala wastewater ...

2016-9-17  Käppala Association has the responsibility to receive and treat wastewater from 11 municipalities situated just north of Stockholm in Sweden. Running a tunnel system, 60 km long, and a treatment plant meets this responsibility. The plant is situated in

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Nordic Investment Bank - NIB finances wastewater

Inside the Käppala wastewater treatment plant. Photo: Björn Leijon. NIB has signed a 25-year loan agreement of SEK 151 million (EUR 16 million) with Swedish wastewater service provider Käppalaförbundet for the upgrade of its sewage treatment plant in Lidingö, northern Stockholm.

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Aeration Control with Gain Scheduling in a Full-Scale ...

2014-7-16  control at the Käppala wastewater treatment plant in full -scale operation and by simulation using a calibrated model of the plant. The aim was to vary the

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Untitled Document [energiomiljo.org]

2017-6-2  Conductivity measurements can be used to control the function of sewage treatment systems. Conductivity is a dependent of the salininity and conductivity measurements gives indirect information of the composition of wastewater, registration of ongoing reaction and precipitation, process control and for alarm.

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Nordic Wastewater Conference - NORDIWA 2018

2015-11-4  Sundet wastewater treatment plant in Växjö, Sweden. Anneli Andersson Chan, Sweden Experiences from five years of receiving external substrates at Himmerfjärden WWTP.

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Giving sludge the treatment - Kemira

Sludge is a major challenge in sewage treatment. There’s a lot of it, it stinks, and handling it is costly. Thanks to Kemira’s KemiCond, Swedish Käppala is now one of the world’s most effective wastewater treatment

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Validation of mercury free methods for analysis of ...

2015-12-14  efficient wastewater treatment. It is vital to test the wastewater based on different parameters. O ne parameter is the Chemical Oxygen Demand (COD), which defines the

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Käppala 2001 – upgrading and expansion of the

Käppala Association has the responsibility to receive and treat wastewater from 11 municipalities situated just north of Stockholm in Sweden. Running a tunnel system, 60 km long, and a treatment plant meet this responsibility.

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Improved methods and practices in life cycle assessment

2016-3-14  performance of wastewater and sludge management systems, e.g., for process development purposes, or to provide guidance in decision-making on sludge management alternatives.

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Loan - Nordic Investment Bank - nibt

The Käppala plant is Sweden’s third largest wastewater treatment facility, processing 55 million m 3 of sewage per year. The construction of the new high-rate clarification process plant will allow Käppalaförbundet to treat rising volumes of effluent water from a

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AGNES – Aerobic Granular sludge – Nutrient removal

AGNES – Aerobic Granular sludge – Nutrient removal and recovery Efficiency in Sweden. The aerobic granular sludge (AGS) technology is an innovative, compact and energy efficient wastewater treatment process that seems to be mature for full-scale implementation around the world.

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Litterature review on control of municipal aeration systems

2011-4-12  municipal wastewater treatment plants (WWTPs) are investigated through modelling and simulation of the processes. A popular tool for this is the IWA/COST Simulation ... An example of a full scale evaluation of a modified cascade controller at Käppala WWTP in Sweden can be found in Thunberg et al. (2009). The goal here was to distribute the

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New System Helps Respected Utility “Keep it Green”

2013-9-8  The Käppala Wastewater Treatment Plant is located just 10 kilometers northeast of central Stockholm, on the island of Lidingö. It is a testament to the clean, “green” work-ings of the plant that the entire island is one of greater Stockholm’s most exclusive places to live.

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Biofilm formation and interactions of bacterial strains ...

Thirteen bacterial strains commonly found in wastewater treatment plants were included in this study . All experiments were performed in sterile-filtered municipal wastewater from Käppala wastewater treatment plant, Sweden (126 mg Chemical Oxygen Demand L −1 , 45 mg N L −1 , 7 mg P L −1 , pH 7.5).

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Biofilm formation and interactions of bacterial strains ...

With increased amounts of wastewater, limited space and stricter regulations and quality controls, the demand for new wastewater treatment processes is growing. This has led to the development of new biofilm-based techniques that have high capacity ( Lazarova Manem, 2000 ).

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