Services
Mechanical strength calculations, pressure equipment design, technical consulting, and 7-step delivery workflow.
Explore AllMechanical, strength, and FEA simulations
ASME VIII Div.1, EN 13445, and TEMA compliance
Standards evaluation and technical reporting
End-to-end flow from inquiry to technical support
Pressure vessels, reactors, tanks, piping, and columns
ASME & EN compliant vessel and nozzle calculations
Thermal and mechanical optimized exchanger designs
Advanced structural, stress, and thermal simulations
Pressure, temperature, and corrosion allowance
Industries
Cross-disciplinary engineering solutions tailored to the dynamics and process conditions of diverse sectors.
Explore AllCustom machine design and structural stress verification
Process tanks, dye kettles, and heat recovery exchangers
Thermal, biomass, geothermal, and cogeneration plants
API 650 / API 620 storage tanks and refinery systems
Heavy industrial furnaces, cooling towers, and steel structures
Waste heat recovery and green energy integration
3D CAD modeling and innovative prototype development
End-to-end plant layout, piping flexibility, and layout design
Standards
Engineering standards guide fully compliant with ASME, EN, API, and TEMA international codes.
Explore AllPressure vessel mechanical sizing and FEA criteria
CE & PED 2014/68/EU compliant calculations
Welded storage tanks for petroleum and chemicals
Shell & tube heat exchanger thermal & mechanical sizing
About Us
10+ years of engineering experience, 3P philosophy, vision, mission, corporate values, and commitments.
Explore AllExpert engineering team founded on shared excellence
Precision, Performance, Professionalism + EN
Engineering beyond standards mindset
Reliability, technical excellence, and continuous growth
Our differentiators and engineering commitments
Environment & Sustainability
Waste Heat Recovery, Flue Gas Scrubbers & Green Energy
To lower industrial carbon emissions and energy consumption, waste heat recovery and emission scrubbing are essential. POLIEN Engineering designs waste heat recovery exchangers (WHR), flue gas scrubbers, and biogas digesters.
Fully Compliant with International Standards
Applicable Design Codes & Standards
Key Equipment & Applications
- Industrial Flue Gas Heat Recovery Plants
- Biogas and Biomass Renewable Energy Stations
- Chemical Emission Treatment & Scrubbing Facilities
- Textile & Food Processing Thermal Recovery Lines
Polien / Core Disciplines
Engineering & Analysis Scope
Industrial Flue Gas Waste Heat Recovery (WHR)
Exchanger sizing recovering waste thermal energy from furnace, kiln, or engine exhausts to preheat boiler feed water.
Flue Gas Scrubbers & Cyclone Separators
Wet and dry acid gas absorption towers, mist eliminators, and particulate cyclone separators.
Biogas Digester Reactors & Fermentation Vessels
Corrosion-resistant, insulated, and agitated anaerobic digester tanks designed for biomass energy plants.
Thermal Efficiency & Lifecycle Cost Optimization
Plant-wide heat balance modeling, low pressure drop exchanger design, and energy payback calculation.
Polien / Deliverables