General products information
Ballast water treatment on Alaskan coastline - Case Study
An Alaskan oil terminal had to deal with contaminated ballast water that needed to be collected and treated before discharge. They had a biological treatment process on site, but it was difficult to operate in the temperature and contaminant loading extremes the site experiences and they struggled to get it to work consistently. The plant is also required to treat spring snowmelt and rain that falls within the site boundaries, creating extremes of liquid temperatures and contaminant concentrations. QED ran...
Using Air Strippers for Off-gas Treatment - Case Study
Two pharmaceutical plants in Puerto Rico used large sequencing batch reactor (SBR) systems to treat their wastewater. The primary treatment was an aerobic bio breakdown of the waste. The were forced to change their treament process because of change in treatment regulations. The new regulations required them to treat off-gas that was coming from the SBRs. They were faced with installing a very large catalytic thermal oxidizer (CATOX) to treat the off-gas. They came up with the idea that if they could pretreat the...
Case study - MBT Wrexham
Planning, delivery, installation, commissioning, testing and turnkey delivery of a plant for mechanical-biological treatment of municipal waste.Customer:FCC EnvironmentThroughput:(50,000 Mg/a): 33,500 Mg/a Household waste and 16,500 Mg/a Commercial wasteCommissioning:March/April 2015Mechanical treatment: Shredder Screendrum Ballistic separator Ferrous-separator Non-ferrous-separator NIR-devices Recycling materials: Plastic, films Paper Cardboard Hard plastic (PET/HDPE etc.) Wood Textiles Fuel:...
Case study - Sludge digestion/thickening optimizes treatment
Overview: Big Park Domestic Wastewater Improvements District in Arizona had constructed a new 500,000 gallonsper day biological wastewater treatment system in 1997. As time passed, the aging plant was unable tokeep up with increasing demands. Challenge: In 2012, the District started working with Sunrise Engineering to find a solution that would work in theirexisting plant. Sunrise Engineering partnered with Aeration Industries International to upgrade theequalization basin, as well as the sludge digester/thicken...
Strategies for the reduction of Legionella in biological treatment systems
A community-wide outbreak of Legionnaire's disease occurred in Warstein, Germany, in August 2013. The epidemic strain, Legionella pneumophila Serogruppe 1, was isolated from an industrial wastewater stream entering the municipal wastewater treatment plant (WWTP) in Wartein, the WWTP itself, the river Wäster and air/water samples from an industrial cooling system 3 km downstream of the WWTP. The present study investigated the effect of physical–chemical disinfection methods on the reduction of the concentration of...