Industrial wastewater (effluent) is treated in a number of ways; the level of treatment decides which is appropriate. Basically there are four steps: Preliminary, Primary, Secondary and Tertiary. Preliminary Treatment: Screening, grit and oil removal are done at preliminary treatment process.Primary Treatment: Primary treatment involves removal of suspended solids up to 50% and reducing BOD level up to 30%.Secondary Treatment: This is sometimes referred to Biological Treatment. Through biological processes, dissolved and suspended organic wastes are converted to more stable solids and removed by settling.Tertiary Treatment: It is the final stage which involves physical, chemical and biological processes to remove residual suspended solids and dissolved solids.
Write a Review
Bionics Advanced Filtration Systems Pvt. Ltd (Bionics Advanced Filtration Systems Pvt. Ltd)
316 Vardhman Capital Mall LSC 10, Sidora Kalan, Sidora Kalan, Sidora Kalan Village, Shastri Nagar, Delhi, 110052, India
Share us via
