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Ethylene Applications

• Caustic Towers/Amine Units
• Cleaning & Degassing
• Process Gas Compressor
• Dilution Steam
• Furnaces
• Light Ends Recovery
• Primary Fractionator
• Wastewater Treatment

Setting Performance Standards for Ethylene Producers

Nalco has long been the leader in process and water treatment technology that helps ethylene producers remain profitable, reliable and sustainable. Our mission is to provide solutions that improve an ethylene plant’s carbon footprint and bottom line simultaneously. No process treatment provider devotes as many technical resources to improving ethylene plant operations as Nalco. Our proficiency in the ethylene industry gives us unique qualifications to identify, diagnose and treat process-related problems. Our programs combine best-in-class chemistry and monitoring technology to not only deliver benefits but also to monitor the impact on a continuous basis. 

Click here for an overview of Nalco’s capabilities for and expertise in the chemical processing industries.

Our treatment programs include:

ACTRENE® for Light Ends Recovery Units
In an industry breakthrough, Nalco developed ACTRENE technology which improves the efficiency of ethylene plant de-ethanizers and depropanizers by extending the run length to eight years or more. This technology reliably mitigates and controls fouling in light-ends fractionation units.

COMPTRENE™ for Process Gas Compressors
This innovative compressor corrosion and fouling control technology enables up to ten years of continuous operation of pyrolysis gas compressors, setting new industry standards for compressor performance.

PrimAct™ for Primary Fractionators
PrimAct programs provide new technology to improve gasoline fractionator (a.k.a. primary fractionator) operations. Our integrated technology provides innovative monitoring and chemistry that not only mitigates fouling and viscosity control problems but provides a clear window into the tower operation allowing ethylene producers to optimize their operation and realize significant energy and reliability credits.

3D TRASAR® Technology for Cooling Towers and Boiler Systems
This innovative technology is bringing cooling system performance to a new level. The 3D TRASAR program automatically reacts to changing system demands, providing asset reliability even under severe service conditions.

AQUAMAX™ for Dilution Steam Systems
This "best practice" treatment program reduces the cost of sodium-free corrosion control in dilution steam system operations.

ARSENAL™ for Acid Gas Removal Systems (Caustic Towers)
In addition to preventing problems in ethylene plant acid gas removal systems and improving reliability, this technology helps operators achieve five-year continuous operations, removing another obstacle to increasing run length and capacity yield.

COKE-LESS® for Furnaces
Coke formation in pyrolysis furnaces impedes heat transfer and restricts process flow. The accumulation of coke and its periodic removal cause production loss. Coking inhibitors are chemical additives that suppress coke formation. Nalco’s anticoking program, COKE-LESS, has increased capacity, improved ethylene yield, lowered TMT, reduced CO formation, extended run length, reduced fuel consumption, reduced steam to hydrocarbon ratio and eliminated sulfiding agents. These observations are attributed to reduced coke formation, which results in improved heat transfer and lower pressure drop. Potential extension of coil life may also be possible.

ENTERFAST™ for Equipment Cleaning and Degassing
During a plant shutdown, time and safety are of utmost importance. ENTERACT programs help to reduce time required for vessel entry and eliminate concerns about chemical hazards. Technical representatives assist with the application of these programs at the customer site to ensure that the program is a success.

Gasoline Hydrotreating
Nalco provides a wide range of tailored solutions to reduce operating costs in a hydrotreater unit, including product stabilizers, corrosion inhibitors and antifoulants. On-site technical service representatives ensure these technologies provide reliable, cost-effective solutions for your individual plant needs.

Product Stabilization
Nalco provides a wide range of tailored stabilizers for reactive streams that are stored and shipped. We provide best-in-class soluble polymer monitoring techniques to track program performance.

Core Shell® for Wastewater Treatment
CORE SHELL is Nalco’s advanced liquid polymer technology for industrial wastewater treatment. This proprietary liquid polymer line provides improved program performance over conventional liquid and dry polymers.