aerator system Articles
-
Key Design Parameters for a Jet Aeration System
Three Questions To Answer When Adding A New Aeration System Installing an aeration system for your industrial wastewater treatment plant can be a complex process. To make it more efficient, it is important to provide the correct information to your aeration system supplier from the very beginning. Here are three simple questions you should be able to answer when your aeration supplier arrives. ...
-
Energy, cost and design aspects of coarse- and fine-bubble aeration systems in the MBBR IFAS process
With the MBBR IFAS (moving bed biofilm reactor integrated fixed-film activated sludge) process, the biomass required for biological wastewater treatment is either suspended or fixed on free-moving plastic carriers in the reactor. Coarse- or fine-bubble aeration systems are used in the MBBR IFAS process. In this study, the oxygen transfer efficiency (OTE) of a coarse-bubble aeration system was ...
-
Development of a model for activated sludge aeration systems: linking air supply, distribution, and demand
During the design of a water resource recovery facility, it is becoming industry practice to use simulation software to assist with process design. Aeration is one of the key components of the activated sludge process, and is one of the most important aspects of modelling wastewater treatment systems. However, aeration systems are typically not modelled in detail in most wastewater treatment ...
-
Development of a model for activated sludge aeration systems: Linking air supply, distribution, and demand. Water Science & Technology
Abstract: During the design of a water resource recovery facility, it is becoming industry practice to use simulation software to assist with process design. Aeration is one of the key components of the activated sludge process, and is one of the most important aspects of modelling wastewater treatment systems. However, aeration systems are typically not modelled in detail in most wastewater ...
-
Aquarius Provides Customizable, Retrievable Aeration Systems
One of the advantages of working with a smaller U.S.-based provider like Aquarius Technologies is its ability to tailor solutions to your needs. A case in point is an industrial plant that required an aeration system that would be easy to service. Aquarius routinely provides fine-bubble retrievable aeration grids for both industrial and municipal applications. However, some industrial wastewater ...
-
A Comprehensive Aeration System Model for WRRF Design and Control. Proceedings WEFTEC.15
Abstract: During the design of a water resource recovery facility (WRRF), it is becoming industry practice for process engineers to use simulation software to assist with the design of the plant and its aeration system. The aeration process is one of the key components of the activated sludge process, and as such, is one of the most important aspects of modeling wastewater treatment systems. A ...
-
Case study - Mazzei airjection aeration system installed in Alabama Field Erected WWTP
Activated Sludge Treatment in a Municipal Sewage Treatment Plant. Huntsville, AL The Problem: A design/build contractor needed a quiet, efficient aeration system for a 250,000 GPD field erected WWTP. This plant was to be located adjacent to a school. A restriction on ambient noise at the location of the proposed WWTP required a quiet aeration process. The Solution: The project engineer selected ...
-
Deep Thoughts
In viewing a presentation for a conventional jet aeration system or a Slot Injector™ aeration system, typically there will be a list of life cycle benefits which include energy savings, capital cost savings, and small plant footprint to name a few. These claims are of interest to both industry and municipalities but many people do not know how inter-related they are. On a recent industrial ...
-
Over 40% Energy Savings per Month: Jet Aeration Upgraded to EDI Fixed Grid Fine Bubble System
Conversion of jet aeration to EDI diffuser aeration system Contract wastewater operators Alliance Water Resources (AWR) for the City of Bowling Green, MO desired to reduce overall operating costs at the facility. The existing positive displacement blowers, jet aeration system and motive mixing pumps were targeted for energy and operation evaluation and potential upgrade. To achieve these goals, ...
-
Development of a model for activated sludge aeration systems: Linking air supply, distribution, and demand. Proceedings WWTmod2016
Abstract: During the design of a wastewater treatment plant (WWTP), it is becoming industry practice for engineers to use simulation software to assist with process design. Aeration is one of the key components of the activated sludge process, and is one of the most important aspects of modelling wastewater treatment systems. A comprehensive dynamic aeration system model has been developed that ...
-
Assessment of diffuser pressure loss on WWTPs in Baden-Württemberg
Aeration of activated sludge is a critical treatment step for the operation of activated sludge plants. To achieve a cost effective treatment process, assessing and benchmarking of aeration system performance are important measures. A simple means of gauging the relative condition of a fine bubble diffused aeration system is to evaluate the pressure loss of the diffusers as oxygen transfer tests ...
-
Modelling of Aeration Systems at Wastewater Treatment Plants
Abstract: A model for the response time of aeration systems at WWTPs is proposed. It includes the delays caused by the air supply system (consisting of blowers, throttles and pipes), the rise time of the air bubbles and all control loops except the master DO controller. Beside a description of the required step-change experiments, different approaches for model calibration are given depending on ...
-
Case study - In-line aeration system provides required level of dissolved oxygen in pressurized effluent line. Hancock County, MS
The Problem: The treated effluent from all wastewater treatment plants across the country must meet local dissolved oxygen (DO) limits before discharging into receiving waters. A new municipal WWTP in southern Mississippi, designed by Carollo Engineers, has a pressurized effluent line to discharge into a local river. Since the line is pressurized, the standard method for increasing DO, a cascade ...
-
Case study - Mazzei implements a reliable and efficient back-up effluent oxygenation system for The Butler County Ohio LeSourdsville WWTP
Post-treatment Aeration Maintains Dissolved Oxygen in Effluent High-Solids Wastewater Prior to River Discharge. Butler County, OH The Problem: The LeSourdsville WWTP in Butler County, Ohio, was required to meet their NPDES permit requirement of 6 mg/l dissolved oxygen at the plants Miami River outfall. During normal operation the dissolved oxygen increase is accomplished in a cascade basin. ...
-
Towards advanced aeration modelling: from blower to bubbles to bulk. Proceedings WWTmod2016
Abstract: The complexity of the whole aeration system (blowers to bubbles to bulk) has been neglected for far too long in the modelling of Water Resource Recovery Facilities (WRRF). We still use simplistic basis models extended with empirical relationships. The reason is that many of the mechanisms are very complex in nature and require significant research efforts. This contribution highlights ...
-
EDI Aeration for Life: Upgrade at Califonia, MO WWTP - Case Study
EDI’s performance-assessed turnkey aeration solution achieved all customer objectives for the new aeration system. The requirements included: Higher O2 transfer and superior mixing throughout basin for increased DO levels Significant reduction in air demand results in 28% less power usage Simplified routine maintenance Enhanced process control allows operators to easily maintain ...
-
Towards advanced aeration modelling: from blower to bubbles to bulk
Aeration is an essential component of aerobic biological wastewater treatment and is the largest energy consumer at most water resource recovery facilities. Most modelling studies neglect the inherent complexity of the aeration systems used. Typically, the blowers, air piping, and diffusers are not modelled in detail, completely mixed reactors in a series are used to represent plug-flow ...
-
BM respirometry study about nitrification inhibition and actual aeration capacity in an activated sludge process case study
Study for municipal WWTP in Spain This study is ordered to SURCIS as a consequence of the low process performance, practical absence of nitrification treatment. By other side, the mixed-liquor presented some abnormal features such as weakness, dark colour and abundant white foaming. Data for study interest Aeration system: fine bubble diffusers + liquid oxygen injection Ammonium ...
By SURCIS, S.L.
-
Towards advanced aeration modelling: from blower to bubbles to bulk
Abstract: Aeration is an essential component of aerobic biological wastewater treatment and is the largest energy consumer at most water resource recovery facilities. Most modelling studies neglect the inherent complexity of the aeration systems used. Typically, the blowers, air piping, and diffusers are not modelled in detail, completely mixed reactors in a series are used to represent plug-flow ...
-
Ely, Nevada; Jet Aeration & Jet Mixing - Case Study
The city of Ely installed a Fluidyne Jet Aeration/Mixing system in May 2012. The City of Ely has a population of around 4,300 and is in White Pine County of Nevada. The city runs an Sequencing Batch Reactor (SBR) system and Fluidyne is responsible for the odor control in the sludge holding tanks. The plant average flow is 1.5 MGD. Client: City of Ely, Nevada Solution: Jet Aeration/Mixing ...
Need help finding the right suppliers? Try XPRT Sourcing. Let the XPRTs do the work for you