wastewater treatment plants Articles

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GTI Helps Dairy Plant Keep Treatment System Operating Successfully for 25 Years

by Geomembrane Technologies Inc. (GTI)  (Apr. 27, 2015)

The Customer: A large milk processing plant located in the United States with global distribution. The Customer’s Needs: The plant is located in an urban setting, surrounded by residences and businesses. Odor from the treatment system is a prime concern for the milk processor. When the milk processor acquired the plant, the biogas ...

Automotive Manufacturer Drives Cost Reduction and Increases Profitability Through Wastewater Treatment

by PRAB, Inc  (Apr. 23, 2015)

An engine manufacturing plant in Slovakia needed to improve their operations. The company sought continuous improvement through operating efficiencies, cost reduction, and recycling and reuse of waste. The plant produces 300,000 gasoline engines annually with five manufacturing lines. Consisting of four metal cutting lines and one assembly line. ...

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 ...

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 ...

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 ...

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 ...

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 ...

Fat, oil and grease waste from municipal wastewater: characterization, activation and sustainable conversion into biofuel

by IWA Publishing  (Apr. 27, 2015)

Fat, oil and grease (FOG) recovered by the oil/water separator of a wastewater treatment plant (WWTP) were sampled, characterized, activated and converted into biofuel. Free acids (50–55%) and fatty soaps (26–32%) not only composed the main components, but they were also easily separable from the starting waste. The ...

Wastewater Treatment Plant Optimisation PLANT A - Case Study

by Combined Environmental Technologies Ltd (Ireland)  (Dec. 16, 2014)

Site Details: PLANT A, Co. Cavan, Ireland. Operator details: Undisclosed Description of Wastewater Treatment Facility: PLANT A is an activated sludge Municipal Wastewater Treatment Facility which has inlet works followed by an oxidation ditch, secondary clarifier and a tertiary clarifier. Difficulties encountered on the WWTP ...

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