Tertiary Treatment & Filtration Solutions
Krofta’s Tertiary Treatment and Filtration systems provide the final polishing stage in water and wastewater treatment, removing residual suspended solids after primary and secondary treatment. Our range includes Disc Filters, Spray Filters, Continuous Backwash Filters, Pressure Sand Filters, and Activated Carbon Filters, each suited to different flow rates and water quality requirements.
Disc Filter
The Disc Filter, introduced in India by Krofta Engineering Limited,is an advanced polishing unit designed for tertiary treatment applications in wastewater treatment plants and industrial processes.
Spray Filter
The Krofta Spray Filer (SPRF) is designed especially for pulp and paper mill operations for fiber recovery. For best results, it is installed before Krofta DAF clarifiers.
Continous Backwash Filter
Kroftas Continuous Backwash Sand Filter or KS Filter is a tertiary treatment option to reduce total suspended solids after primary and secondary treatment.
Pressure Sand Filter
Krofta Pressure Sand Filter (KPSF) is a cylindrical vessel containing a bed of fine sand or other granular media.
Activated Carbon Filter
Krofta Activated Carbon Filters (KACF) contains activated carbon granules of defined Iodine absorption values, which is determined based on the application.