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Most food processing companies generally use 2% NaOH for process equipment cleaning.
The use of lye is directly discharged resulting in food processing wastewater treatment costs increase.
Most cleaning lye is discharged or downshifted (for example, as a non-main process equipment flushing)after using a certain amount of time and frequency .
Effluent waste alkali contains a large amount of organic matter, protein, impurities, etc., will inevitably lead to costs increase of downstream sewage treatment.
These particulate contaminants are treated by ceramic membrane technology, lye can be returned to the chemical cleaning tank for reuse, conserving base usage and reducing costs.
1.Generally lye PH is greater than 12, the use of membrane filtration can only choose inorganic ceramic membrane
2.Lye contains a large number of pollutants particles, such as pulp, fiber, protein and other difficult to filter, choose a high mechanical strength ceramic membrane to filter is needed.
3.More than 90% of the lye will be recycled, particulate matter can be concentrated to 50% or more
4.energy-saving , low maintenance costs