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Aerospace Complex WWTP

Client
Northern Aerospace Group
Location
Capacity
1,500 m³/day
Type
Status
Completed (2023)

PROJECT DESCRIPTION

Treatment Engineering for Highly Complex Aerospace Effluents.

This project involved the design, fabrication, assembly, and commissioning of a wastewater treatment plant (WWTP) for a major aerospace manufacturing complex in the city of Tijuana, B.C. The main challenge lay in treating a heterogeneous flow consisting of combined sanitary wastewater and process effluents containing high concentrations of heavy metals, synthetic oils, and residues from chemical washing operations.

The implemented solution incorporates a rigorous preliminary physicochemical treatment system followed by a continuous MBBR biological system. Thanks to this comprehensive approach, the plant operates at optimal efficiency, discharging water that far exceeds Mexican environmental regulations and enabling significant water reuse in cooling towers and secondary services.

Project Specifications

Design Flow Rate
1.73 L/s
Core Technology
MBBR + DAF Flotation
Discharge Policy
NOM-001-SEMARNAT-2021
Automation
SCADA integrated with Siemens PLC
Water Reuse
Suitable for irrigation and services (65%)
OPERATIONAL EVIDENCE

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ADVANCED SYSTEMS

Applied Technology

SCADA Systems

Comprehensive real-time monitoring of parameters using a telemetry system and automatic operational alarms.

UV Disinfection

Microbial inactivation using ultraviolet light without the addition of residual chemicals.

Multimedia Filtration

Effective removal of suspended solids and turbidity using beds of gravel, sand, and anthracite.

DAF Flotation

Effective removal of fats, emulsified oils, and suspended solids using microbubbles of dissolved air.

Chemical Dosing

Precise, proportional dosing of coagulants, flocculants, and pH regulators to optimize precipitation.

COMPLIANCE WITH PARAMETERS

Results: Before and After

UNTREATED INFLUENT (BEFORE)
Critical
Biochemical Oxygen Demand (BOD)
850 mg/L
(Outside the norm)
Total Suspended Solids (TSS)
600 mg/L
(Outside the norm)
Fats and Oils
120 mg/L
(Very High)
Hydrogen Ion Concentration (pH)
4.2
(Acid)
Color / Turbidity
Dark, turbid
(Severo)
TREATED EFFLUENT (AFTER)
NOM-001 Compliant
Biochemical Oxygen Demand (BOD)
15 mg/L
98% Reduction
Suspended Solids (SST)
10 mg/L
98% Reduction
Fats and Oils
5 mg/L
96% Reduction
Hydrogen Ion Concentration (pH)
7.1
Stable Neutral
Color / Turbidity
Clear Water
Excellent
Continuous Flow
1500 m³/day
Operational Capacity
Organic Removal
98%
Overall Efficiency
Delivery Timeframe
12 Months
Construction and Assembly
Process Reuse
Suitable for irrigation and services (65%)
Utility Savings
IQEA PORTFOLIO

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“A key partner for compliance with CONAGUA. Their guidance during the transition to NOM-001-SEMARNAT was impeccable and professional at all times.”

Eng. Carlos Valenzuela
Sustainability Manager —
Consorcio Desarrollador Occidental

Do you need high-precision hydraulic engineering?

Our team of specialist engineers is ready to evaluate your plant’s effluent, design a customized project, and ensure full compliance with current federal regulations.

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