Dairy Success Story
Background:
A cheese producer was looking for a reliable way to separate the high strength waste from the low strength waste entering their wastewater facility. They were using an optical reflectometer to catch when the cheese production plant was sending milk concentrate, whey, cow water, or milk into the wastewater plant. The wastewater plant calculated that it cost approximately 6 cents per gallon to treat the cheese production waste at a maximum rate of 20,000 per hour. If the low strength waste can be separated from the high strength they can simply spray the low strength waste on a field or send it to the municipal wastewater plant providing large saving in wastewater treatment.
Problem:
The effluent from the chemical plant is discharged into the city sewer and a permit from the city controls the COD concentration. When the permit value is exceeded a surcharge is enforced.
Solution:
The LAR QuickTOC was chosen for a number of reasons. These are because of the high concentrations of salt in the process, along with a large reaction chamber and the necessity of a very high temperature. The LAR reaction chamber is the largest of any on-line TOC systems; coupled with the 1200°C furnace made this the ideal choice. At 1200°C Sodium Chloride (salt) passes through the reaction chamber reducing the maintenance time required.
Conclusion:
It was concluded after a 5-month evaluation that the QuickTOC was the best solution and the reflectometer has been replaced. Over the 5 month period, the only maintenance was that of changing a set of pump tubing and cleaning of the sample vial for a total of 15 minutes. The QuickTOC was designed from the ground up to be a robust on-line system not a converted lab unit and has proven itself in application after application.
After installing the LAR QuickTOC analyzer, this cheese producer has been able to save time and energy by treating unnecessary waste, and reducing labor costs.
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