Industrial Water Solutions • Central America Engineering Hub

ODM Hot Products Suppliers & Supplier in Costa Rica

High-Salinity Wastewater, Disc Tube Reverse Osmosis (DTRO), Osmosis-Assisted Reverse Osmosis (OARO), and Zero Liquid Discharge (ZLD) Systems Engineered for High-Standard Free Trade Zones & Central American Industries.

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Featured Deployments • Fast Delivery to Limón & Caldera Ports

Primary High-Pressure Membrane & Desalination Modules

Pre-tested containerized and skid-mounted skids built to handle complex feed waters: high organics, concentrated halides, and stringent discharge requirements under Costa Rica's Decree No. 39887-S-MINAE.

99.2%

Contaminant & Salt Rejection

38+

Patented Membrane Designs

120 Bar

Ultra-High Pressure Limit

< 15 Days

Modular Site Commissioning

Macro-Industrial Overview

The Industrial Water & High-Salinity Wastewater Landscape in Costa Rica

Bridging Latin America's strictest ecological commitments with rapid high-tech manufacturing growth across Coyol, Cartago, and coastal hospitality hubs.

Industrial Drivers: Free Trade Zones, MedTech, and Agricultural Processing

Costa Rica represents Central America's most dynamic industrial ecosystem. Driven by the expansion of designated Free Trade Zones (Zonas Francas) such as Coyol Free Zone (Alajuela), Global Park, and Zeta Free Zone (Cartago), the nation has transitioned into a global manufacturing center for tier-1 medical devices (MedTech), precision electronics, and pharmaceutical formulations. Alongside this, Costa Rica maintains world-renowned agricultural exports, including pineapple processing, coffee wet-milling (beneficios), palm oil extraction, and high-volume dairy processing.

These dual economic pillars generate unique, heavy wastewater burdens:

  • MedTech & Precision Electronics: Surface finishing, micro-machining, passivation, and cleanroom sanitization produce toxic, high-conductivity effluents rich in heavy metal salts, sulfates, and surfactants that exceed municipal sewer absorption thresholds.
  • Agro-Industrial Processing: Wet-milling and fruit concentration streams carry exceptionally high Chemical Oxygen Demand (COD > 8,000–25,000 mg/L) combined with aggressive salinity and organic acidity, rapidly overwhelming conventional biological aeration lagoons.
  • Pacific Coastal Aquifer Vulnerability (Guanacaste & Puntarenas): Massive tourism development, resort properties, and coastal aquaculture are driving over-extraction of coastal groundwater tables, inducing severe seawater intrusion and resulting in brackish groundwater with TDS oscillating between 3,500 and 15,000 mg/L.

Strict Regulatory Baseline: MINAE, AyA, and Decree No. 39887-S

Costa Rica's environmental governance is spearheaded by the Ministerio de Ambiente y Energía (MINAE), Dirección de Agua, and AyA (Instituto Costarricense de Acueductos y Alcantarillados). The country operates under the revised Reglamento de Vertido y Reúso de Aguas Residuales (Decree No. 39887-S-MINAE), setting uncompromising standards on industrial discharges into natural watercourses, sanitary sewers, and infiltration basins:

  • Aquifer Protection: Deep injection or ground absorption of high-salt brines is strictly constrained to protect volcanic aquifers that supply the Great Metropolitan Area (GAM).
  • Direct Surface Water Vertido: Stringent discharge limits on Conductivity, Total Dissolved Solids (TDS), Biochemical Oxygen Demand (BOD5), and Total Suspended Solids (TSS) prevent enterprises from discharging untreated brine concentrate or RO reject.
  • National Decarbonization & Circularity Mandate: The Costa Rican Decarbonization Plan 2018–2050 incentivizes Zero Liquid Discharge (ZLD) architectures and closed-loop water recovery to minimize freshwater extraction.
Engineered Process Train

Technical Roadmap: From High-Pressure Membrane to Thermal Crystallization

Systematic salt concentration, organic oxidation, and thermodynamic recovery designed to lower total cost of ownership (TCO) and ensure continuous regulatory compliance.

Stage 1: Advanced Pretreatment & Softening

Alkaline precipitation, high-density clarification, and ultrafiltration (UF) systematically strip calcium, magnesium, barium, and reactive silica (SiO2), mitigating gypsum and silicate scaling before feeding downstream high-pressure RO trains.

Stage 2: DTRO & STRO Hyper-Concentration

Disc Tube RO (DTRO) and Spacer Tube RO (STRO) utilize open-channel hydrodynamics to eliminate dead zones. Operating up to 90–120 bar, they concentrate brine up to 100,000–140,000 mg/L TDS, slashing thermal evaporator feed volume by over 75%.

Stage 3: Osmosis-Assisted Reverse Osmosis (OARO)

Patented OARO membrane circuits use counter-current sweep solutions to reduce net transmembrane osmotic pressure. This extends membrane dewatering beyond the hydraulic limits of standard RO, driving TDS up to 160,000 mg/L with a fraction of thermal energy.

Stage 4: MVR Mechanical Vapor Recompression

Mechanical Vapor Recompression (MVR) evaporators compress secondary vapor using high-efficiency titanium alloy centrifugal blowers. Sensible heat is completely recycled, achieving an ultra-low energy footprint of 28–45 kWh/m³ of evaporated distillate.

Stage 5: Forced-Circulation Crystallizer

High-velocity axial circulation prevents heating-tube incrustation while precipitating mixed or separated salts (NaCl, Na2SO4). Dewatering via centrifuge yielding dry, cake-form salts for industrial reuse or non-hazardous landfill disposal.

Stage 6: IoT Remote Telemetry & Scada

Integrated Siemens S7-1500 / Allen-Bradley PLC architectures equipped with 4G/LTE cloud gateways. Provides 24/7 autonomous monitoring of flux decay, differential pressure, and automated CIP chemical flushing directly from our Shanghai command hub.

Technology Comparison: Conventional Thermal Evaporation vs. Tongjie Membrane-Enhanced ZLD

Process Parameter Standard Multi-Effect Evaporation (MEE) Traditional RO + Direct Evaporation Tongjie DTRO/OARO + MVR Hybrid ZLD
Final Recovery Rate 80% – 88% 85% – 90% 96% – 99%
Thermal Energy Burden High (Steam intensive: ~0.3–0.4 t steam/t water) Moderate (Significant boiler demand) Zero Live Steam Needed (100% Electric MVR)
Electrical Specific Power 12 – 18 kWh/m³ 35 – 50 kWh/m³ 18 – 28 kWh/m³ (Membrane-thermal blend)
Footprint / Containerization Extremely large field assembly Mixed skid and field erection 100% Modular ISO Containerized Skid
Resistance to Heavy Fouling / Oil Moderate; tube scaling prevalent Poor; frequent spiral RO irreversible fouling Superior (DTRO 1.5mm open flow spacer)
Costa Rica Site Work Time 4 – 7 Months 3 – 5 Months 10 – 20 Days (Plug & Play Handover)
Manufacturing Excellence

China Factory 4.0: Supply Chain Resilience & OEM/ODM Agility

Leveraging world-class manufacturing integration in Shanghai to deliver custom, heavy-duty water treatment skids with reduced lead times and certified precision.

Industrial Metrology, Dual-Duplex Metallurgy, and Digital Twin Testing

Handling hyper-saline wastewater, mining runoffs, and ocean brines in Central America's tropical climate requires premium metallurgy and manufacturing discipline. At Shanghai Tongjie Environmental Protection Technology Co., Ltd. (founded 2010), our Industry 4.0 production framework delivers unparalleled quality assurance for Costa Rican EPCs and industrial end-users:

  • Corrosion-Resistant Metallurgy: Every high-pressure manifold, pump casing, and membrane housing header is fabricated from Duplex 2205, Super Duplex 2507, Titanium Grade 2, or Hastelloy C-276. Orbital TIG welding is conducted in an argon-purged chamber, followed by 100% X-ray radiographic weld inspection and chemical passivation according to ASTM A380 standards.
  • Digital Twin Hydraulic Simulation: Prior to CNC frame fabrication, every fluid circuit undergoes computational fluid dynamics (CFD) modeling to analyze shear distribution across membrane leaves and eliminate stagnation vortices, protecting membranes from fouling.
  • Full Factory Acceptance Testing (FAT) with Raw Water Simulation: Skids are loaded into our test bays, connected to simulated Costa Rican water chemistries (adjusting silica, sulfates, and hardness), and pressurized to 120% of operational design pressure for 72 continuous hours. Control sequences, sensor calibrations, and automated safety interlocks are validated prior to containerization.
Direct Procurement Advantage: By bypassing intermediate regional distributors, our clients in Costa Rica achieve a 30%–45% capital expenditure (CAPEX) reduction, immediate access to OEM spare membrane elements, and direct engineering-to-engineering collaboration from custom P&ID generation to on-site commissioning.
Central America Engineering

Localized Support & Costa Rica Regulatory Safeguards

Engineered to endure tropical humidity, volcanic seismic activity, and coastal salinity without operational downtime.

Tropicalization & Seismic Design Code Compliance

Costa Rica's climate presents challenging environmental parameters: ambient humidity exceeding 90% in coastal zones, persistent maritime salt mist, and active seismic fault lines requiring adherence to the Código Sísmico de Costa Rica (CSCR-2010):

  • C5-M Marine Coastal Coating: Containerized housings and structural skids undergo sandblasting to SA 2.5 standard, followed by a multi-layer epoxy-polyurethane coating system rated for ISO 12944 C5-M marine extreme environments.
  • Electrical Enclosures & Tropicalized Electronics: VFD drives, PLCs, and power distribution busbars are enclosed in IP66 stainless-steel cabinets equipped with industrial thermoelectric dehumidifiers and conformal-coated printed circuit boards (PCBs) to resist fungal growth and corrosive tropical dampness.
  • Structural Seismic Hardening: Piping loops, membrane pressure vessels, and high-pressure boosters are braced with dynamic flexible couplings and reinforced steel saddles calculated for Zone 3 and Zone 4 seismic acceleration profiles.
  • SETENA Permitting Documentation: Full engineering packages—including comprehensive Mass & Water Balance flowcharts, P&ID drawings, noise footprint data, and chemical reagent MSDS profiles—are provided in standardized bilingual (Spanish/English) format to accelerate review by the Secretaría Técnica Nacional Ambiental (SETENA).

Need an Engineered Proposal for a Costa Rica Project?

Share your feed water lab report (TDS, silica, hardness, COD), daily target volume, and discharge constraints. Our Shanghai engineering headquarters will return an optimized mass balance projection and comprehensive scope within 48 hours.

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Knowledge Base

Frequently Asked Questions: Industrial Water Engineering in Costa Rica

Technical, procurement, and compliance answers for plant directors, EPC contractors, and environmental managers.

Why is DTRO preferred over conventional spiral-wound RO for high-salinity wastewater in Costa Rica?
Conventional spiral-wound reverse osmosis modules utilize narrow feed spacers (typically 28 to 34 mil), which become quickly clogged by suspended colloids, bio-slime, and mineral scalants common in agro-industrial and Free Trade Zone wastewater. DTRO (Disc Tube Reverse Osmosis) incorporates an open-channel hydrodynamic design with a wide-spaced disc geometry (1.5mm to 3mm). The high-velocity, turbulent cross-flow sweeps across the membrane cushion surface, minimizing boundary layer concentration polarization and enabling continuous operation at pressures up to 90–120 bar without clogging, even with raw feed COD exceeding 500–1,500 mg/L.
How do your systems comply with Costa Rica Decree No. 39887-S-MINAE?
Decree No. 39887-S imposes strict limits on conductivity, organic load, and specific heavy ions discharged into surface water bodies or sanitary collectors. Our custom ZLD and volume reduction trains separate industrial effluent into two clean streams: high-purity permeate (TDS < 200 mg/L, COD < 20 mg/L) that can be recycled internally for boiler feed, cooling towers, or CIP washdown, and crystallized dry solid salts. This creates a zero liquid discharge loop that eliminates environmental vertido permits, safeguarding plants against regulatory fines and operational shutdowns.
What is the typical shipping lead time and import route to Costa Rica?
Containerized and skid-mounted equipment is manufactured, tested, and pre-commissioned at our Shanghai facility. Ocean freight routes transit directly from Shanghai Port or Ningbo-Zhoushan to either Puerto Caldera (Pacific coast, ideal for San José, Alajuela, and Guanacaste) or Puerto Limón (Caribbean coast). Transit times range from 24 to 32 days. Because all internal interconnecting piping, cabling, and instrumentation are pre-assembled inside ISO intermodal containers, on-site mechanical installation takes only 5 to 15 days following port clearance.
Can Tongjie provide OEM/ODM branding for local Costa Rican engineering contractors?
Yes. We act as an ODM/OEM technology and fabrication partner for numerous regional engineering firms and EPC contractors across Latin America. We support customized stainless steel labeling, localized SCADA interfaces in Spanish, client-specific tag numbers, customized documentation formats for SETENA/MINAE submissions, and white-label container paint schemes.
How does Tongjie support maintenance, spare parts, and remote troubleshooting from China?
Every system is equipped with secure industrial IoT routers linked to our Central SCADA monitoring platform in Shanghai. Our automation engineers perform real-time diagnostic checks on trans-membrane pressure (TMP), flux decline, and pump vibration. In addition, standard wear items (such as cartridge filters, chemical metering pump seals, and sensor probes) are supplied with a 2-year operational contingency pack, and replacement DTRO membrane cushions can be air-freighted via DHL directly to Juan Santamaría International Airport (SJO) within 4 to 6 business days.
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