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Wwtp Management Articles & Analysis
22 articles found
The main objective of wastewater treatment plant (WWTP) management is to achieve the required standards of treated water quality at the lowest possible operating cost and with the minimum environmental impact. This challenge is particularly important in a context in which WWTP operators must be able to process and transform the immense amount of ...
ByIdrica
The water sector is set to play a pivotal role in combating climate change, with enhanced water management benefiting a whole host of areas such as health, energy, agriculture, food security and people’s livelihoods in general (UNESCO). Process automation is one of the most important trends for 2023 and is one of the promising alternatives hailed to improve the current water scenario. ...
ByIdrica
Issues such as climate change and population growth will encourage the implementation of new technologies. Pre-emption and prevention, security, reuse, process automation, optimization and planning are the main technological challenges ahead for water management in 2023, according to Idrica. In 2025, around 3.5 billion people will be living in water-scarce areas, while water demand is set ...
ByIdrica
These events impact normal plant operations, and are known to cause treatment process problems, increased operational costs and in some cases, deteriorated effluent water quality. To manage shock loading events, WWTP may be operating with a buffer to minimize the impacts on water quality, however this tends to result in high operational costs. A better and more ...
The presence of microorganisms in wastewater causes a decrease in dissolved oxygen as it is consumed in their metabolism. The greater the number of microorganisms, the greater the biological demand for oxygen. When this demand exceeds that which can be provided by air exchange, then an anaerobic process begins, creating a reducing environment that favors the release of odor-causing compounds in ...
Bioconservacion, together with the Greek engineering company DIMTECH, is carrying out a biogas desulfurization project that aims to promote the use of energy from sludge digestion at the Chania WWTP, a wastewater treatment plant in a semi-arid area of the island of Crete, located near residential areas. ...
Controlling odor emissions at wastewater treatment plants (WWTPs) is a priority objective for management entities, in order to ensure the well-being of workers and minimize the impact these facilities have on the environment. ...
With the Filter Press we get to dehydrate the sludge, even reaching dryness of 35-40%. Taking into account that in a WWTP, the costs of sludge management, account for almost 70% of the total expenditure, it is important to have an equipment that achieves the maximum degree of dryness of the sludge, with consequent savings in the cost of ...
To meet challenges of the future in regard to energy purchase and to participate in and contribute to such a volatile energy market, WWTPs have to reveal their energetic potential as a flexible service provider. Based on the evaluated literature and a detailed analysis of aggregates on a pilot WWTP an aggregate management has been developed to ...
After rain events in densely populated areas, combined sewer overflows (CSOs) can have severe health-related effects upon surface water quality, as well as diffuse overland runoff and wastewater treatment plants (WWTPs). All of these sources emit pathogens and fecal indicator bacteria into the surface water, which the EU Bathing Water Directive addresses by giving threshold ...
Its waste water treatment plant is composed of primary and secondary settlers, two biological reactors and four anaerobic digesters to produce biogas. The WWTP facility has been designed to optimize energy integration by using the combustion of the produced biogas in a CHP (combined heat and power) engine. ...
When this demand exceeds that which can be provided by the exchange of air, an anaerobic process begins, thus creating a reducing environment that favours the release of odour-causing compounds at the WWTP: Sulphur derivative (H2S and mercaptans) Nitrogen derivatives (NH3 and amines) Acid derivatives (acetic) Aldehyde, ketone and ester derivatives For these reasons, it ...
In partnership with Greek engineering firm DIMTECH, Bioconservacion is conducting a biogas desulphurisation project that aims to drive the harnessing of energy from the digestion of slurry at the WWTP in Chania - the plant where wastewater is treated within a semi-arid zone of Crete, located near residential areas. This facility will be going into operation soon and will use the ...
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 indicator and benchmarking ...
One of the problems which can still be found in the WWTPs is that evaluations of the WWTPs are sometimes conducted only based on the effluent concentrations, e.g. 20 mg l-1 biological/biochemical oxygen demand (BOD), 10 mg l-1 total nitrogen (TN) or 1 mg l-1 total phosphorus (TP). However, even an advanced WWTP has been constructed, under the ...
Furthermore, the study showed that the use of chemical treatment for phosphorous removal could reduce the chlorine dose required for the treated effluent disinfection.Keywords: simultaneous nitrification denitrification, oxidation ditch, carousel process upgrading, chemical phosphorus removal, chlorine demand, wastewater treatment, WWTP, waste management, low ...
Primary operating data were collected from forty-six wastewater treatment plants (WWTPs) located across three states within Australia. The size range of plants was indicatively from 500 to 900,000 person equivalents. ...
Struvite’s chemical formula is NH4MgPO4·6H2O. WWTP managers have used a number of different products and techniques for Struvite removal, and to prevent Struvite formation. Most text books on Struvite control talk about the use of ferric chloride (FeCl3) to control Struvite formation, however it can cause many more problems including corrosion, and ...
The evaluation of centralised wastewater treatment plants (WWTPs) in planning and management is sometimes based solely on effluent pollutant concentrations or pollutant loads. For sanitation purposes, the effluent pollutant concentrations/loads of WWTPs are important; of course, but from the point of view of wastewater treatment, the pollutant ...
Activated sludge models can be very useful for designing and managing wastewater treatment plants (WWTPs). However, as with every model, they need to be calibrated for correct and reliable application. ...