Nalco Water offers a breakthrough technology designed to address the toughest acid gas removal challenges in caustic towers. Arsenal Plus is Nalco Water’s proprietary, patent-pending solution that is transforming ethylene production by driving measurable improvements in reliability, efficiency and flexibility.

Arsenal Plus™ Program for Ethylene Plants
Efficient Carbonyl Scavenging to Optimize Fouling Control in Caustic Towers

Backed by real-world results, Arsenal Plus helps provide the following outcomes*:
Backed by real-world results, Arsenal Plus helps provide the following outcomes*:
- Decreased caustic consumption and spent caustic disposal
- Improved acid gas removal (H2S & CO2)
- Efficient carbonyl scavenging for superior fouling control
- Increased flexibility for processing opportunity feedstocks
Our experienced team provides unparalleled technical expertise and onsite service tailored to meet the unique business drivers and goals of each plant.
*Based on internal data from Ecolab Trials CH-2425 and CH-2426, conducted October 2024, evaluating the caustic consumption, acid gas removal, fouling protection, cost-effective feedstock implications, and carbonyl scavenging of the Arsenal Plus treatment program compared with traditional antifoulant caustic tower treatment programs.
Customer Success Stories

Arsenal Plus Saves Ethylene Plant $540K Annually in Operational Costs
Nalco Water helped a North American ethylene plant significantly reduce caustic consumption and minimize caustic waste, resulting in annual savings of $540K per year.

Caustic Tower Optimization with Arsenal Plus Delivers $368K Annual Savings
A North American ethylene plant partnered with Nalco Water to help enhance CO2 removal efficiency, reduce caustic waste, and lower caustic consumption – resulting in $368K in yearly operational savings.
Consult with a Nalco Water representative to develop a customized treatment program for caustic towers with Arsenal Plus.
Contact us: globalchemical@ecolab.com
Explore Our Water Treatment Solutions
Nalco Water has extensive experience in providing utility solutions for pretreatment, cooling water, steam production, and wastewater to help save energy, conserve water, and reduce total cost of operation. Nalco Water provides water treatment solutions and technical expertise to help ethylene producers overcome operational challenges and drive performance.
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