Proven Success Stories
See how Spans Envirotech has delivered measurable results for leading companies across diverse industries. Our case studies demonstrate real-world performance, technical innovation, and commitment to environmental sustainability.
500+
Projects Completed
100%
Client Satisfaction
15+
Industries Served
30+
Years Experience
Client Success
Featured Case Studies
Explore detailed case studies showcasing our engineering expertise, implementation methodology, and measurable environmental impact.
Britannia Industries Limited
The Challenge
High-strength bakery wastewater with elevated organic matter, fats, oils, and grease causing inconsistent treatment performance and regulatory compliance issues.
95%
BOD Removal
40%
Water Reuse
60%
Footprint Reduction
Lotte India Corporation Limited
The Challenge
Complex confectionery wastewater with high sugar content and variable loading requiring robust treatment with water reclamation capabilities.
92%
COD Removal
35%
Water Recycled
100%
Compliance
Hindustan Unilever & GSK Consumer Healthcare
The Challenge
Pharmaceutical and healthcare product manufacturing wastewater requiring stringent quality control and trace contaminant removal.
98%
Contaminant Removal
Zero
Discharge Violations
50%
Water Savings
KRBL Limited
The Challenge
Existing treatment system upgrade needed to handle increased capacity while meeting stricter discharge standards for rice mill effluent.
3x
Capacity Increase
90%
BOD Removal
30%
Energy Savings
Devyani Food Industries Ltd.
The Challenge
Greenfield biscuit manufacturing facility requiring zero-discharge WWTP design for extremely high-strength process wastewater with COD up to 20,000 mg/L.
99%+
BOD Removal
100%
Water Reuse
261 m³/d
Treatment Capacity
Punjab Effluent Treatment Society for Tanneries (PETS)
The Challenge
5 MLD CETP for a tannery cluster generating extreme COD, chromium, sulphides, and TDS — requiring a five-stage design from chrome precipitation through to Zero Liquid Discharge.
5 MLD
Design Capacity
5 Stages
Treatment Architecture
ZLD
Design Objective
IFFCO International
The Challenge
Multi-stage ETP serving a large food manufacturing facility experiencing treated effluent TDS exceedances, elevated chemical consumption, and DAF floatation overload — requiring a systematic process audit and value engineering assessment.
7 Stages
Audit Coverage
Root Cause
TDS Identified
Dubai Mun.
Compliance Standard
London Dairy (IFFCO International)
The Challenge
Simultaneous ETP failures at a premium ice cream manufacturing facility — H₂S odour at 54–69 ppm from anaerobic equalization tanks and MBR flux reduced from 75 to 55 LMH by emulsified dairy fat fouling.
7 Stages
Diagnosis Coverage
H₂S 54–69 ppm
Odour Quantified
5 Technologies
Options Evaluated
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