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nyc dep stormwater regulationsThe Main Objective of Initial Treatment is to eliminate large sized pollutants. The Initial method includes 4 phases screening (removal of drifting solids), sedimentation( removal of suspended solids utilizing gravitational force), grit chamber( removal of crushed rock & steel frames to avoid functional troubles), clarifiers (for Biological waste deposition). 2. Primary Treatment. The Key Treatment consists of both Physical & Chemicals that includes Coagulation (addition of coagulants), Neutralization (establishes the pH Range from 6-9), Key Clarifiers. 3. Concentrate additional strong waste after pre-treatment or along with an evaporator. Eliminate all the leftover trace quantities of put on hold solids and stop fouling, scaling, and/or deterioration down the line of treatment. Remove the bulk of liquified solids from the water stream in the main phases of concentration. Additional concentrate the deny RO stream or turn down from electrodialysis to additionally minimize waste quantity. Vaporizing gain access to water in the final stages of waste concentration prior to crystallizer. Boil off any staying fluid, leaving you with a completely dry, strong cake for disposal.