Fliteway TechnologiesFlitewayTechnologies

Design Services

Process Treatment System Design

Fliteway designs complete environmental treatment systems that combine the right unit processes to reliably meet your discharge requirements. From single-technology systems to complex multi-process treatment trains, our engineering team delivers process designs backed by 40+ years of real-world performance data.

Discuss Your Treatment NeedsGroundwater Treatment

Treatment Engineering That Works in the Field

Selecting the right treatment technology is only the first step. Successful environmental treatment systems require careful process engineering that accounts for real-world variability in influent quality, seasonal temperature changes, flow rate fluctuations, competing water chemistry, and long-term operational sustainability.

Fliteway's process engineers have designed treatment systems for VOCs, petroleum hydrocarbons, PFAS, dissolved metals, total suspended solids, oil and grease, and other regulated parameters across hundreds of remediation projects. We understand the practical realities of treatment system operation — carbon change-out schedules, chemical consumption rates, sludge disposal costs, and operator accessibility — and factor these into every design.

Every treatment system we design is built on sound process engineering fundamentals: accurate mass balance calculations, appropriate safety factors, proven equipment selection, and clear operating procedures. The result is equipment that performs reliably from day one and continues to meet discharge requirements throughout the project life cycle.

Treatment Technologies

We design systems using proven treatment technologies, individually or combined into multi-process treatment trains for complex waste streams.

Air Stripping

Packed-tower, low-profile tray, and diffused-air strippers for removing volatile organic compounds from groundwater. We design tower internals, air-to-water ratios, and off-gas treatment to achieve target removal efficiencies for chlorinated solvents, BTEX, MTBE, and other VOCs.

GAC Adsorption

Granular activated carbon systems for vapor-phase and liquid-phase contaminant removal. We size carbon vessels for the required contact time, select the appropriate carbon type, and design lead-lag configurations for continuous operation during change-outs. Carbon usage rate projections guide life-cycle cost estimates.

Metals Precipitation

Chemical precipitation systems for dissolved metals including iron, manganese, arsenic, lead, zinc, and chromium. Our designs include chemical feed systems (caustic, lime, ferric chloride, polymer), rapid mix tanks, flocculation chambers, clarifiers or plate settlers, and sludge dewatering.

Oil-Water Separation

Gravity separators, coalescing plate separators, and dissolved air flotation (DAF) systems for removing free-phase and emulsified petroleum hydrocarbons from extracted groundwater. Properly sized for Stokes' Law settling rates and peak flow conditions.

Oxidation & Reduction

Chemical oxidation (Fenton's reagent, permanganate, persulfate, ozone) and reduction systems for destroying or transforming contaminants in situ or ex situ. We design chemical storage, metering, injection, and mixing systems with appropriate materials of construction and safety controls.

Filtration & Polishing

Bag filtration, cartridge filtration, sand filtration, and multimedia filtration for removing total suspended solids, precipitated metals, and other particulate matter. Designed as pre-treatment or polishing steps in multi-process treatment trains.

Process Design Approach

  • 1

    Data Review & Process Selection

    We review influent characterization data, discharge requirements, flow rates, and site constraints to identify the most effective and cost-efficient treatment approach. When data is limited, we design pilot testing programs to fill knowledge gaps.

  • 2

    Mass Balance & Process Modeling

    Detailed mass balance calculations and process modeling establish design parameters for each unit process: flow rates, residence times, chemical dosing rates, removal efficiencies, and waste stream volumes.

  • 3

    Equipment Sizing & Specification

    Process equipment is sized with appropriate safety factors and specified with complete data sheets. Equipment selections are based on performance, reliability, availability, and life-cycle cost.

  • 4

    Integrated System Design

    Process, mechanical, electrical, and controls designs are developed together to produce a fully integrated treatment system on a single skid, trailer, or within a containerized enclosure.

Related Services

Groundwater Treatment

Complete groundwater treatment systems for VOCs, metals, petroleum, and PFAS.

PFAS Treatment

Specialized treatment for per- and polyfluoroalkyl substances using GAC, IX, and membrane technologies.

Soil Vapor Extraction

SVE systems with integrated vapor treatment for VOC-contaminated soils.

Frequently Asked Questions

What types of treatment processes does Fliteway design?
Fliteway designs treatment systems for air, water, and vapor-phase contaminants using a wide range of unit processes. For water treatment, we design air strippers (packed-tower, low-profile, and tray-type), granular activated carbon (GAC) adsorption systems, metals precipitation and flocculation systems, oil-water separators, bag and cartridge filtration, ion exchange resin systems, and chemical feed systems. For vapor treatment, we design GAC adsorption, catalytic oxidation, and thermal oxidation systems. Many of our projects require multi-process treatment trains combining several of these technologies on a single platform.
How does Fliteway determine the right treatment process for a site?
Treatment process selection starts with a thorough review of the influent water or vapor characterization data, target discharge limits, flow rates, and site-specific constraints. We evaluate the contaminant type, concentration, competing chemistry (hardness, iron, dissolved solids), required removal efficiency, waste stream volumes, and life-cycle cost for each viable technology. For complex or mixed-waste sites, we design bench-scale or pilot-scale testing programs to validate treatment performance before committing to full-scale design. Our goal is always the most cost-effective treatment approach that reliably meets discharge requirements.
Can Fliteway design treatment systems for multiple contaminant types?
Yes. Many remediation sites have multiple contaminant types that require sequential treatment steps. For example, a groundwater extraction system may produce water containing both dissolved petroleum hydrocarbons and dissolved metals. This requires an oil-water separator followed by metals precipitation and filtration, then GAC polishing before discharge. Fliteway designs multi-process treatment trains that sequence the appropriate unit processes to address each contaminant in the correct order, all integrated on a single skid or within a containerized enclosure.
What discharge standards do Fliteway treatment systems meet?
Our treatment systems are designed to meet the specific discharge limits for each project, which may include NPDES permit limits for surface water discharge, POTW pretreatment requirements for sewer discharge, state groundwater reinjection standards, or air quality permit limits for vapor discharge. Common target parameters include VOCs (BTEX, chlorinated solvents), PFAS, dissolved metals (iron, manganese, arsenic, lead), TSS, pH, and oil and grease. We design treatment systems with appropriate safety margins and monitoring instrumentation to ensure consistent compliance.

Discuss Your Treatment System Requirements

Send us your water quality data and discharge requirements. Our process engineers will evaluate the treatment options and recommend the most effective and cost-efficient approach for your site.

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