wastewater treatment plant Articles

Instrumentation, control and automation (ICA) of wastewater treatment systems and sewer networks have attracted much attention since the early 1970s. The developments during the last four decades in on-line instrumentation, computer technology, process understanding and subsequent model development, and control methods have been powerful driving forces for advanced control making ICA ever more ...

Nov. 11, 2015

By IWA Publishing

While the Biomass Stress Index (BSI) parameter is most often used to reveal when a biological population has been subjected to toxicity, it can also indicate when an upstream change has relieved a stressful condition. In this month’s featured case study, a pulp & paper wastewater treatment plant made a change to its papermaking process that changed the properties of the wastewater ...

Jan. 27, 2014

By LuminUltra Technologies Ltd.

John Dooley, director of utilities and engineering for the City of Columbia (US), talks about a USD40 million project for the city's Metropolitan Wastewater Treatment Plant. The capacity will increase to 150 million gallons/day (now 80 million gallons), and the pumping facility is to be relocated on the property. Requests for quotes are being prepared to be published soon. ...

Jul. 13, 2012

By IWA Publishing

Guangzhou, a city of about 12 million people, is located on the Pearl River Delta in Southern China. The Guangzhou Municipal Government, desiring to improve the environmental quality of the heavily polluted Delta, decided that a wastewater treatment plant should be constructed on the Huadi River in the Fang Cun district. A Public-Private Partnership delivery method was adopted for this project, ...

Oct. 13, 2007

By Water Environment Federation (WEF)

Water is basic to life. It is a precious resource and has become precious commodity now. On going Industrialization, population & urbanization pose pressure on water availability. Utility value of world’s freshwater resources like lakes and rivers are diminishing rapidly due to over exploitation & pollution. Groundwater, an alternative to surface water is also a natural ...

Aug. 1, 2009

By Sugam Paryavaran Vikalp

Single port.- In such a case, we have the next relationships e=0.15H S=0.089 g’1/3 (H-e)5/3 Q-2/3 B=SQ/eUa (*) However, at high velocity values and if B<=0.3H, the approximation is not correct .   Canarina DESCAR software · plant treatment modeling ...

Nov. 25, 2011

By Canarina Environmental Software

A performance assessment system (PAS) is an important instrument to provide a cost-effective and sustainable management of wastewater treatment plants (WWTPs). Despite the fact that many PASs have been developed in recent years, important aspects of WWTP evaluation have not yet been considered. This paper presents the framework and the overall performance indicators of a PAS developed for urban ...

Nov. 1, 2010

By IWA Publishing

This paper presents the results of a measured data-based mass flow and balance study in UluPandan Water Reclamation Plant (WRP), the second largest municipal wastewater treatment plant in Singapore. The results are benchmarked against the Strass wastewater treatment plant in Austria, which has achieved energy self-efficiency. The gaps between the two plants have been identified and areas for ...

Nov. 20, 2013

By IWA Publishing

The Wastewater Treatment Plant Copero, located in the municipality of DosHermanas in Seville, Spain is in operation since 1987. Copero is Seville´s mainWWTP and is designed to treat a flow of 255.000 m3/day and serves a population of1.4 million inhabitants. Population: 1.487.500 Hab/eq (design); 711.000 Hab/eq (current) Capacity: 255.000 m3/day (design); 135.000 m3/day ...

Jun. 12, 2012

By Bioconservacion SA

Wastewater treatment plants, while performing the important function of treating wastewater to meet the prescribed discharge standards, consume energy and a variety of chemicals. This paper analyses the consumption of energy and chemicals by wastewater treatment plants in Oslo over eight years, and their potential environmental impacts. Global warming and acidification were the dominant impacts ...

Mar. 1, 2011

By IWA Publishing

Growing urbanization and industrialization has resulted in water scarcity across the world! For the growing population and scaling living standard consumption of water is rising up. Rising water scarcity does have a negative impact on the industrial productions. This can develop crisis for the industries and would impact on economical development. Several industries even do have noticeable ...

Jul. 9, 2017

By Genesis Water Technologies, Inc.

ABSTRACTWith more than 1,500 pieces of aging equipment at its four wastewater treatment plants and two outfall pipelines, the South Orange County Wastewater Authority retained Tetra Tech, Inc., to develop an Assessment Management Plan. The objective of the assignment was to ensure theaccuracy of long-term financial forecasting for the timely repair and/or replacement of assets constructed and/or ...

Oct. 22, 2006

By Water Environment Federation (WEF)

A detailed characterisation of the influent and the effluent wastewater for one year period and a performance evaluation was carried out for the wastewater treatment plant of Cumhuriyet University (Sivas, Turkey). The objective of this work was to investigate the performance of different units in overall treatment of the plant and particular attention was given to the performance of the extended ...

Sep. 12, 2006

By Inderscience Publishers

Start up of anoxic-oxic process in a full-scale municipal wastewater treatment plant at low temperature was studied in this paper. Bioaugmentation technology was used to accelerate the start up. Aeration rate and feed style of influent were also controlled as associated measure to reduce the negative effect of low temperature on start up. The results showed that the process was successfully ...

May 14, 2009

By Inderscience Publishers

How to decrease costs as an automotive producer at the paint wastewater treatment plant? Our case study 148 gives further insights: https://www.kurita.eu/en/case-studies ...

Feb. 28, 2019

By Kurita

When the City of Rogers designed and specified a new headworks facility at its award-winning wastewater treatment plant, they followed their internal philosophy to “do the very best job we can.” Grit removal had previously caused problems following large flow surges that often overwhelmed the original grit and scum system. True to their philosophy, plant staff undertook a thorough ...

Sep. 7, 2019

By Smith & Loveless Inc.

With AERsmart made by AERZEN Holzkirchen wastewater treatment plant saves about 50,000 kWh every year Holzkirchen wastewater treatment plant has a clearly formulated job: “We purify our wastewater optimally.” With its wastewater treatment plant designed for a population equivalent of 50,000, the municipal enterprise, located 40 kilometres south of Munich, not only pursues this ...

Sep. 20, 2019

By Aerzener Maschinenfabrik GmbH

How to decrease costs as an automotive producer at the paint wastewater treatment plant? Our case study 148 gives further insights: https://www.kurita.eu/en/case-studies ...

Feb. 28, 2019

By Kurita

Project Name Ulker- Ak Gida Karaman Wastewater Treatment Plant Employer Ulker-AkGida Contractor Enta Miihendislik Aritma Taah. San. Ve Tic. Ltd. Sti. Location of the plant Karaman/TURKEY Scope of work Industrial Wastewater Treatment Plant ...

Nov. 3, 2018

By ENTA Treatment Systems Engineering Contracting Corporation

Although wastewater treatment does remove a significant amount of estrogens, some estrogens survive wastewater treatment and enter surface water through wastewater treatment plant effluents. Estrogen concentrations in the ng/L range have been well documented in the effluents of sewage treatment plants all over the world. Estrogens are known to cause estrogenic responses in aquatic species, which ...

Oct. 13, 2007

By Water Environment Federation (WEF)