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Hospital STP — Sewage Treatment Plant for Hospitals & Healthcare

Hospital sewage carries pathogens, disinfectants, pharmaceutical residues and laboratory chemicals alongside normal sewage. We design STPs with robust biology, membrane or tertiary filtration and reliable disinfection — sized for beds, OPD load and future expansion.

The effluent and the norms

A hospital generates 400–500 litres of sewage per bed per day plus OPD, staff and canteen loads; the stream includes disinfectants that can shock biology, laboratory and radiology waste (handled separately under BMW Rules), and pharmaceutical residues. Norms for hospitals emphasise faecal coliform and disinfection; treated water is commonly reused for flushing, landscaping and cooling towers. Reliability matters — a hospital cannot stop.

Treatment train we design

  1. Segregation at sourceLaboratory, radiology and hazardous liquid wastes kept out of the STP as per Bio-Medical Waste Rules; grease trap on kitchen line.
  2. Screening and equalisationFine screening; 8–12 h equalisation to buffer disinfectant and CIP spikes.
  3. Biological treatmentMBBR or MBR with margin for biocidal loads; nitrification for ammonia where reuse demands.
  4. TertiaryMBR membrane or tube settler + PSF/ACF for clear water.
  5. DisinfectionChlorination with residual monitoring and/or UV; ozone where required.
  6. Reuse and standbyTreated-water storage for flushing/cooling; duplex pumps, blowers and generator connection for uptime.

Where we apply it

Multi-speciality and teaching hospitals
500–2,000 beds; phased capacity; MBR for footprint.
Nursing homes and clinics
Packaged 10–50 KLD units in basements.
Medical colleges and campuses
Hostel plus hospital loads; large reuse potential.
Diagnostic and pharma R&D labs
Segregated lab effluent pre-treatment.

How KK Enviro Engineers delivers

Sampling plan and inlet characterisation → process design (PFD, P&ID, sizing, BOQ) → supply, erection and commissioning → biological stabilisation → handover with O&M manual and training → AMC if you want us to stay. We also audit and upgrade plants built by others.

Frequently asked questions

How is a hospital STP sized?

On beds (400–500 L/bed/day), OPD footfall, staff and canteen, plus a growth margin — we calculate from your occupancy plan, not a rule of thumb alone.

Which technology — MBBR or MBR?

MBR gives the clearest water and smallest footprint, ideal for reuse and basement installations; MBBR is simpler and cheaper to run where space allows. We recommend after seeing site and reuse targets.

What about pharmaceutical residues?

Conventional biology removes part of them; MBR and activated carbon improve removal; advanced oxidation is added only where a specific requirement exists.

Send your effluent data

Flow, inlet analysis and required outlet — we reply with a scheme and budget range within one working day.