Frequently Asked Questions

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What is amine reclamation, and why does it matter?

Reclamation removes heat stable amine salts (HSAS), and other degradation products (e.g., bicine), all of which drive corrosion, foaming, and result in capacity loss and other operational issues. Reclaiming the solvent restores performance and extends solvent and system life.

Can ElectroSep® electrodialysis remove heat stable amine salts as effectively as ion exchange?

Yes, and we believe our electrodialysis process is actually more effective than ion exchange due to its unique ability for fine tuning of removal rate, and higher reliability of the process. The electrically driven separation of unwanted anions from the amine solvent is consistent and controlled by the applied voltage, while the ion exchange adsorption process is either on or off. Ion exchange can be highly sensitive to many contaminants that can exist in amine solvents, and many sites require frequent resin bed changes.

What are the advantages of ElectroSep electrodialysis compared to ion exchange?

Our proprietary process has multiple advantages over ion exchange, including but not limited to:

    • A continuous process without the typical amine dilution and volume fluctuations caused by ion exchange or downtime related to washing and regenerating the ion exchange resin
    • The ability to remove both cations and anions with a single system as compared to ion exchange’s two system requirement
    • Reduced chemical usage volume by a factor of 2x to 4x; reduced water usage volume and waste generation volume by a factor of 7x to 10x
    • Waste water can often be discharged to standard disposal systems without the need for pre-treatment or neutralization
    • Processing parameters can be easily changed instantaneously to meet customer needs without system shutdown, replacement, or major modification.
Can the ElectroSep process be tuned easily to control HSAS removal rates, or easily modified to increase overall removal capacity?

Our electrodialysis process provides instant, precise control of HSAS removal. By controlling the electrical current to the electrodialysis system, HSAS removal rates adjust instantly and can tightly hold a target HSAS level, even as feed conditions change. If long-term removal capacity needs increase, our modular system can be modified within hours to increase capacity (within certain design limits.)

How does ElectroSep’s process differ from other electrodialysis processes?

ElectroSep is an innovator in the field of amine reclamation via electrodialysis, and we benefit our clients with over 30 years of experience in operating and optimizing our processes. Our patented TL3® process delivers improved performance, higher efficiency, and reduced amine loss relative to other electrodialysis processes. The TL3 process also does not require caustic addition to the amine for neutralization prior to treatment.

How does ElectroSep’s on‑site process work?

We connect a slipstream from the lean amine loop to our electrodialysis unit and return purified solvent continuously. No boiling; minimal amine loss; and no amine unit process adjustments required.

Does a client need to shut down their amine system to connect the ElectroSep reclaimer?

No. We operate online as a side‑stream and can connect to the amine solvent and required utilities without shutting down the amine system. Amine units remain in service while we gradually remove contaminants to meet the client’s target.

What problems will reclamation solve for our amine unit?

By controlling HSAS at the customers’ desired target, we slow corrosion, restore loading capacity, reduce defoamer/antifoam spend, reduce filter change‑out frequency, and improve regenerator efficiency—recovering capacity without a shutdown. The reclaimer can remove cations (Na, K) as well as your heat stable acids (formate, acetate, etc.) and can do so selectively.

Is the equipment safe for hazardous areas?

Yes, our systems are typically engineered for classified service (eg. Class I, Div. 2/ATEX).

What connections and utilities are required?

Two connections on the amine loop (supply/return), a level pad for our trailer/skid, site power (or generator), caustic solution as required, and utilities (e.g instrument air, cooling water, and process water). We provide exact specs in a pre‑job proposal.

How long does a typical mobile unit campaign take?

Typical campaigns can last a few days to a couple of months, depending on amine inventory, baseline HSAS, and removal target. We share frequent updates with our clients to keep everyone informed of progress.

What happens to waste/by‑products?

Contaminants are concentrated into a low-volume waste stream for disposal under your facility’s waste codes. We provide expected volumes before we start our jobs so our clients can coordinate with their environmental teams.

Which solvents and systems are compatible?

MEA, DEA, MDEA (neat or formulated), DGA, DIPA, specialty solvents such as FLEXSORB™ and OASE™, Sulfinol, and hybrid/activated solvents used for H₂S/CO₂ treating in refineries, gas plants, and carbon capture systems, as well as physical solvents such as SELEXOL™.

What do you deliver at job completion?

We deliver full-job lab data (HSAS, cations and anion concentrations), daily process logs, solvent‑loss accounting, and a close‑out report quantifying removal efficiency and performance relative to proposal targets.