wastewater treatment plants Articles

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Water and wastewater treatment for Solar industry

by EnviroChemie GmbH Technology for Water  (Jan. 16, 2015)

Solar cells arc manufactured in a complex process thai requires enormous know-how. The objective is to produce panels with a high level of efficiency at low cost. To achieve this, different production processes are used. A fundamental distinction is made between solar cells on the basis of silicon wafers and thin-film cells, in which a special ...

Elimination of pharmaceuticals from the wastewater of a pharmaceutical plant

by EnviroChemie GmbH Technology for Water  (Jan. 13, 2015)

Efficient decomposition of pharmaceuticals through ozonisation Roche AG had commissioned the company Envi-roChemie to develop a new procedure for a new production facility in Mexico, which prevents the undesired release of ecotoxicologically contaminating drugs into the environment and eliminates pharmaceuticals in the wastewater directly at the ...

A Guide to Gas Detector Tubes. Your Questions Answered

by a1-cbiss  (Jan. 9, 2015)

Gas detector tubes are easy to use, are low cost, and the method is intrinsically safe, allowing it to be deployed in all industries. Because detector tubes don’t require calibration, users see the benefits of this technology over electronic gas detectors due to their ease of ...

Basis for the development of sustainable optimisation indicators for activated sludge wastewater treatment plants in the Republic of Ireland

by IWA Publishing  (Jan. 21, 2015)

This paper describes the basis of a stakeholder-based sustainable optimisation indicator (SOI) system to be developed for small-to-medium sized activated sludge (AS) wastewater treatment plants (WwTPs) in the Republic of Ireland (ROI). Key technical publications relating to best practice plant operation, performance audits and optimisation, and ...

Integrated assessment of wastewater treatment plant effluent estrogenicity in the Upper Murray River, Australia, using the native Murray rainbowfish (Melanotaenia fluviatilis)

by John Wiley & Sons, Ltd.  (Jan. 23, 2015)

The contamination of major continental‐river systems by endocrine‐active chemicals (EACs) derived from the discharge of wastewater treatment plant (WWTP) effluents can impact human and ecosystem health. As part of a long‐term effort to develop a native fish model organism for assessment of endocrine disruption in Australia's largest watershed, ...

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 ...

Wastewater Treatment Plant Optimisation PLANT B - Case Study

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

Site Details: PLANT B, Co. Cavan, Ireland. Operator details: Undisclosed Description of Wastewater Treatment Facility: PLANT B is a Municipal wastewater treatment plant which has primary clarification followed by a splitter chamber where the flow is split between 2 trickling filters with plastic media and an RBC. These operate in ...

Wastewater Treatment Plant Optimisation PLANT C - Case Study

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

Site Details:: PLANT C Wastewater Treatment Works, Co. Cavan, Ireland. Operator details: Undisclosed Description of Wastewater Treatment Facility: PLANT C is a Municipal Wastewater Treatment Facility which uses a trickling filter and RBC for treatment of the wastewater and has tertiary treatment using a reed bed before final ...

Continuous Monitoring of Odorous compounds in WWTP Sensory approach or Physico-chemical solution?

In WWTP site managers are familiar with odor & chemical profile as they are exclusively focused on sulfur compounds measurement. These molecules are used as process drift indicators and offer a good criteria of process performance. Hydrogen Sulfide (H2S), Methyl Mercaptan (MM), Ethyl Mercaptan (EM), dimethyl sulfur (DMS) or Di-Methyl-di sulfur ...

Estimating odour impact range of a selected wastewater treatment plant for winter and summer seasons in Polish conditions using CALPUFF model

by Inderscience Publishers  (Oct. 16, 2014)

Odour emission from wastewater treatment plants (WWTP) is a common cause of odour nuisance to neighbouring areas. The analysed object was mechanical biological WWTP designed for 1,200,000 population equivalent. Collection of the samples was carried out in accordance with the methodology described in VDI 3880 and PN-EN 13725 during the rainless ...

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