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Ferrous Salt Demand for Sulfide Control in Rising Main Sewers: Tests on a Laboratory-Scale Sewer System
Publisher: American Society of Civil Engineers
Abstract: The addition of ferrous salts is a commonly used strategy for sulfide control in sewer networks. The
Real-Time Multistep Prediction of Sewer Flow for Online Chemical Dosing Control
Publisher: American Society of Civil Engineers
Abstract: Chemical dosing is the most common strategy for sulfide control in sewers. Recent research has shown that online control of chemical dosing can significantly reduce dosing costs, while achieving better control performance. ...
Dynamic Response of Sulfate-Reducing and Methanogenic Activities of Anaerobic Sewer Biofilms to Ferric Dosing
Publisher: American Society of Civil Engineers
Abstract: A recent study showed that, in addition to precipitating sulfides,
Integrated Project Risk Management for Residential Recycled-Water Schemes in Australia
Publisher: American Society of Civil Engineers
Abstract: In recent years, the Australian water sector has been criticized for inadequate project risk management and overinvestment in inefficient water services, such as large desalination plants and recycled-water schemes. To aid ...
Online Control of Magnesium Hydroxide Dosing for Sulfide Mitigation in Sewers: Algorithm Development, Simulation Analysis, and Field Validation
Publisher: American Society of Civil Engineers
Impact of Iron Salt Dosage to Sewers on Downstream Anaerobic Sludge Digesters: Sulfide Control and Methane Production
Publisher: American Society of Civil Engineers
Abstract: The addition of iron salts to sewers for sulfide control has a significant impact on downstream wastewater-treatment performance, in which iron ions can be resolubilized from iron sulfide precipitates in aeration tanks to ...
Control of External Carbon Addition to Predenitrifying Systems
Publisher: American Society of Civil Engineers
Abstract: The external carbon dosage control is studied for the predenitrification processes without the on-line controllability of the nitrate recirculation flow. The control objective is to minimize the external carbon use while ...
New Sensor Based on pH Effect of Denitrification Process
Publisher: American Society of Civil Engineers
Abstract: By observing the acid/base addition rate of a pH controller that controls the pH in a sample of activated sludge mixed liquor at a set point, the proton dynamics of the reactions taking place in the sample can be monitored. ...
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