Depending on the application, such as for potable water, the treated effluent may require pH correction or disinfection prior to the distribution. OPL offers a variety of post-treatment system modules for chlorination, pH adjustment and others dosing system which may be desirable to achieve final water quality. Also if there is any specific requirement by the customer of demineralization units to produce water of ultra-low conductivity for HP boilers we can offer multi stage ROs as well as EDI units with supreme efficiencies.