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Exploring the: Water Zone
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- Do We Have a Large Load?
- We have a captive metal finishing operation and are looking at a process that will have a waste stream with 10,000 ppm Chemical Oxygen Demand at an average flow rate of 4 gal/min that will be discharging into our city’s wastewater treatment facility...
Ask an Expert Published: 1/11/2011
- Iron Phosphate-Contaminated Rinsewater Disposal/Recycle
- Could you provide us readers with some advice as to the potential to recycle or reuse our waste iron phosphate?
Ask an Expert Published: 1/10/2011
- Centrifugal Pump Versus Air-Operated Diaphragm Pump
- We have an old wastewater pretreatment system for our metal finishing operation. The system contains two large air diaphragm pumps that transfer the wastewater from a holding tank to the flocculation tank before the clarifier. Since we are renovatin...
Ask an Expert Published: 9/1/2010
- Molybdenum Removal from Wastewater Revisited
- I have been working for 15 years in the field of water treatment and the problem with molybdenum in wastewater is getting more and more prevalent. We’ve found the following treatment scheme to be successful.
Ask an Expert Published: 3/1/2010
- Remove that Bleach Smell
- In our scrubber system for chlorination, we use caustic soda as the oxidation agent. This produces sodium hypochlorite, and unfortunately, sodium hypochlorite has an unpleasant smell.
Ask an Expert Published: 1/1/2010
- Difficulty in Getting Required Permits
- How difficult is it to get the required wastewater permits for our discharge? How long does this permitting usually take? Can we start installation of equipment before permits are issued?
Ask an Expert Published: 1/1/2006
- Does Discharge Need a Permit
- We are planning to install an anodizing system at our facility.
Ask an Expert Published: 1/1/2005