Tag Archives: Efficient energy use

WaterEnergyFood by ANOVA

logo_sfondo_trasparente_effetto_scolpito  www.anovastudi.com

The company ANOVA Studies & Interdisciplinary Research is a private laboratory dealing in knowledge engineering and development of innovation in the context of Data IntelligenceKnowledge Modeling and real-time Process Control, with particular reference to the water industry and to energy sustainability and agribusiness.


ANOVA Studies & Interdisciplinary Research  is a small Italian company dealing with Business Development and Process Control, mainly in market of Water Industry, Energy Efficiency and Food Processing. Since 1997 located in Naples, ANOVA was born as spin-off of SESPIM R&D Consortium (1990, ALENIA – Italimpianti). After having operated in Knowledge Engineering & ICT applications for more than 15 years as a R&D Laboratory (complied to National Minister of Research Register), in the actual market scenario, ANOVA is now focused on value and on innovation development: its main strength is  an Interdisciplinary Approach  and a Knowledge Modeling Ability toward problem solving in business service. ANOVA has carried out more than 30 R&D Projects for SMEs in National (MIUR, MISE, PON, etc..) and European (LIFE CRAFT, etc.) context; more than 35 Advanced Process Control Systems (SCADA, DSS, Expert Systems), in the field of water management, environment and energy; tens of Engineering Projects in hydraulics, environmental, and about the ‘energy efficiency.  http://www.youtube.com/watch?v=0JwxurlBzC0
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[EN] WWTP/check: Checking Procedure for Biological Nutrient Removal Processes with evaluation of possible Energy/Cost Saving in pre-Denitrification/Nitrification scheme

WWTPWWTPcheck – Math Model 

Nitrogen Removal and Control Strategy in Continuous-Flow-Aeration 

WWTPcheck Model is based on typical Mathematical Models referring in the field (ASM 1/2/3, WPRC), but it supplemented with Performance Indicators (KPIs), which also provide information on the Residual Depurative Capacity. The predenitrification process was first developed and proposed by Ludzack and Ettinger (1962) and later modified by Barnard (1973), who completely separated the anoxic and aerobic reactors, recycling the settler underflow to the anoxic reactor, and providing an additional recycle from the aerobic to the anoxic reactor, see Figure below:


WWTPcheck Flow scheme:  Modified Ludzack-Ettinger process (Denitro/Nitro)

Main Functionalities of Evaluation of WWTPcheck  procedure:

  • Percentage of Performance of Biological Nutrient Removal Process.
  • Min/Max values of Dissolved Oxygen required to avoid process problems (bulking, etc.).
  • Characterization of Functional Parameters of the Aeration System.
  • Percentage of possible Energy Saving in the Aeration System (variable DO setpoint calculation on the base of min/max biological need…).
  • Energy required for Aeration System.
  • Percentage of Electrical Energy Cost Saving.
  • Percentage of Sludge/Waste produced and their Cost.
  • Customized Input/Output Reporting.

The WWTP/check procedure is  available in MS-Excel file (.xls or .xlsx – MS Office-Excel 2007 or compatibles) to be better used as a checking tool and test.


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