wastewater treatment plants Articles

2213 Results found
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Deer Island Wastewater Treatment - Case Study

by Diversified Plastics, Inc.  (Apr. 10, 2015)

The Project The Deer Island treatment plant, operated by the Massachusetts Water Resources Authority, is the public wastewater treatment facility for the city of Boston. The plant is undergoing an extensive refurbishment, replacing all of its chain and sprockets. Diversified Plastics, pre-qualified by the independent design engineering firm, ...

HydroThane T&C case study

by HydroThane STP BV  (Apr. 14, 2015)

Application in Dairy Industry Technology & Contracting On January 2011 HydroThane has been awarded with a contract to supply design and the anaerobic hardware but also all auxiliary equipment and project management/supervision services for the dairy of TYRAS in Greece. Having the aim to achieve the required quality standard, the local civil ...

Can saltwater quench our growing thirst?

by Ensia  (Apr. 13, 2015)

An increasingly water-stressed world takes a new look at desalination. It seems simple enough: Take the salt out of water so it’s drinkable. But it’s far more complex than it appears at first glance. It’s also increasingly crucial in a world where freshwater resources are progressively strained by population growth, ...

PPCPs: Preparing for an uncertain regulatory future

by Thermo Fisher Scientific, LIMS & Laboratory Software  (Mar. 25, 2015)

A recent study published in Environmental Pollution* identified 56 active pharmaceutical ingredients (APIs) in effluent samples from 50 large wastewater treatment plants across the U.S. Among the products found in samples were commonly prescribed anti-psychotic and antihypertensive drugs. As more studies continue to fuel public concerns over risks ...

Škvorec WWTP in Czech Republic - Case Study

by AMCON Inc.  (Mar. 5, 2015)

Client's voice Since we had installed VOLUTE Dewatering Press in our waste water treatment plant I realized how much time we were wasting using dewatering bags. VOLUTE doesn´t need my presence and works fully automatically. I don´t sometimes even know that there is a dewatering unit in operation. Dewatering Data Sludge Type: Waste ...

Population balance models: a useful complementary modelling framework for future WWTP modelling

by IWA Publishing  (Jan. 30, 2015)

Population balance models (PBMs) represent a powerful modelling framework for the description of the dynamics of properties that are characterised by distributions. This distribution of properties under transient conditions has been demonstrated in many chemical engineering applications. Modelling efforts of several current and future unit ...

Bioaugmentation/waste water treatment in municipal WWTP - Case Study

by Atlas Seis - Sistemas de Energia para a Industria e Serviços, Lda.  (Mar. 4, 2015)

What is it? The bioaugmentation is an innovative technology which consists in an increase of selected bacteria to help naturally the biological process of organic compounds degradation. It is proper to dose in any effluent type and wastewater treatment system, which no longer has enough capacity or has an inefficient performance. These products ...

Siloxanes reactor - Siloxanes removal in municipal WWTP - Case Study

by Atlas Seis - Sistemas de Energia para a Industria e Serviços, Lda.  (Mar. 4, 2015)

Siloxanes - What are they? Siloxanes are a subgroup of silica compounds containing Si-O bonds with organic radicals attached to the silica molecule including methyl and ethyl groups, among others. These compounds are widely used in various industrial processes and are frequently added to consumer products (shampoos, toothpastes, lotions, paper ...

A simple empirical model for the clarification-thickening process in wastewater treatment plants

by IWA Publishing  (Feb. 26, 2015)

In wastewater treatment plants (WWTPs), activated sludge is thickened in secondary settling tanks and recycled into the biological reactor to maintain enough biomass for wastewater treatment. Accurately estimating the activated sludge concentration in the lower portion of the secondary clarifiers is of great importance for evaluating and ...

Population dynamics of filamentous bacteria identified in Polish full-scale wastewater treatment plants with nutrients removal

by IWA Publishing  (Mar. 16, 2015)

A comprehensive study of the identity and population dynamics of filamentous bacteria in five Polish full-scale municipal wastewater treatment plants (WWTPs) with nutrients removal had been carried out for 2 years. A quantitative culture-independent, molecular method – fluorescence in situ hybridization – was applied to evaluate ...

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