What They Don’t Tell You: Nitrogen Needs a Process. Without anoxic + nitrification, nitrogen stays
On paper, the STP looked fine. But the effluent told another story
Turns out, the problem wasn’t equipment. It was a design flaw. Compact STPs often skip denitrification steps to cut costs and that’s what broke this one.
Our Fix: Compliance-First, Not Cost-First Diagnosis before anything
- High nitrogen from urine and cleaning agents
- No anoxic or nitrification stages
Brought Back Compliance with Smart Process Tweaks.
Added anoxic tank: Converts NH₄⁺ to NO₂⁻/NO₃⁻
- Added nitrification tank: Converts NO₃⁻ to N₂ gas
- Installed recirculation loop for continuous microbial action
- Upgraded blowers (4x O₂ needed for nitrogen vs BOD
removal) - Eliminated need for chemical dosing
- Stabilized pH naturally And the Results?
Nitrogen brought within CPCB compliance
- Biological treatment resumed effectively
- pH stable, no correction needed
- Lower OPEX: reduced chemical use
- No system replacement required
This wasn’t just a fix. It was a redesign where others avoided responsibility.
- We addressed a common oversight in STP design.
- Focused on restoring biology instead of selling hardware.
- Solved for compliance, efficiency, and cost in one shot.
What’s the one issue your STP keeps facing?
- pH instability?
- Repeated nitrogen breaches?
- Costly dosing or 24×7 blower dependency?
Let’s rethink your system
Talk to Inovar
Why Settle for “Acceptable” When Better Exists?
What’s the one issue your STP keeps facing?
pH instability?
Repeated nitrogen breaches?
Costly dosing or 24×7 blower dependency?
The Challenge
- Nitrogen >100 ppm
- pH dropping below 4 -
- System failing biological treatment
Outcome
- Optimized dosing with orthophosphoric acid & NaOH
- Customized filtration upgrade delivered in 2 weeks
- 90% improvement in membrane life (over a month)
- Next-gen continuous filtration system in progress