February 17,2026
How to Choose Activated Carbon for H2S Removal
Activated carbon is one of the most effective and widely used solutions for hydrogen sulfide (H2S) removal in industrial gas treatment systems. This guide explains how activated carbon removes H2S through physical adsorption and chemical reactions, and how to choose the right type for different operating conditions.
The article compares impregnated activated carbons such as KI, NaOH, KOH, and catalytic carbon, along with iron oxide desulfurizers for high-concentration desulfurization. It also analyzes critical influencing factors including relative humidity, oxygen levels, temperature, gas concentration, particle size, and CTC value.
Common application scenarios such as biogas purification, oil and gas processing, wastewater treatment plants, landfill gas treatment, and odor control systems are covered in detail.
By understanding removal mechanisms, environmental parameters, and supplier selection criteria, businesses can improve H2S removal efficiency, extend equipment life, and reduce long-term operational costs.