---
title: Commercial Bulletin - Sulshine CR Series
description: Axens experience in Claus catalyst development dates back to the 1970s. Since then, a continuous commitment to R&D and improvements to the manufacturing processes have led to a complete range of sulfur recovery catalysts including CR-3S, the most advanced alumina Claus catalyst available.
image: https://resources.axens.net/hubfs/Landing%20Pages/Resources/Commercial%20Bulletin/Thumbnails%20CB/Thumb_Axens_CB_SulShine_CR-Series_2022_EN.jpg
---

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 Commercial Bulletin

# Alumina-Based Catalysts for Sulfur Recovery Units

## SulShine® CR Series

![Thumb\_Axens\_CB\_SulShine\_CR-Series\_2022\_EN](https://resources.axens.net/hubfs/Landing%20Pages/Resources/Commercial%20Bulletin/Thumbnails%20CB/Thumb_Axens_CB_SulShine_CR-Series_2022_EN.jpg)

Axens, the world leading premium Claus catalyst supplier, offers the most effective sulfur recovery alumina-based catalysts of the market for meeting the needs of every Claus system.

Catalysts exhibiting a macroporosity mode (high pore volume for pore diameters greater than 0.1 µm) are considered to be efficient, but a second mode, ultra-macroporosity, (high pore volume for pore diameters greater than 1 µm), makes the excellent catalyst.

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