Safe and legal neutralisation of wastewater

Last updated: 23rd May 2016

Caustic soda, magnesium hydroxide or liquid lime?

Caustic soda is the most widely used alkaline neutralisation reagent, effective for strong and weak acids. However, are there significant advantages for using liquid lime?
As part of wide ranging treatment requirements an effluent stream has historically undergone several process steps before being compliant.  
When upgrading an existing plant or building a new facility, have there have been any genuine developments over the past 10 years in reagent selection?

•    How about performance – is it safe and legal?  
•    Does it do what I need it to do?  
•    Can it be done better?

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