Basic Definition of Hydrolysis Catalyst
As an important industrial functional catalytic material and a key fine chemical purification auxiliary, the hydrolysis catalyst is designed to accelerate the hydrolysis and decomposition of organic impurities under mild operating conditions. It breaks the energy barrier of conventional reactions and enables the rapid and efficient hydrolysis of organic sulfur substances that cannot be easily carried out under normal temperature and pressure.
In industrial scenarios including petrochemical, coal chemical, power and gas processing industries, raw material gas, raw material oil and industrial waste gas commonly contain stable and hard-to-remove organic sulfur substances such as carbonyl sulfide COS and CS₂. Conventional desulfurization technologies are ineffective in removing these impurities. Undeleted organic sulfur will cause environmental pollution and equipment corrosion, and lead to poisoning and deactivation of precious metal catalysts in subsequent production processes, greatly increasing enterprise production costs. Targeting this common industrial pain point, hydrolysis catalysts have become indispensable core materials for industrial fine desulfurization, tail gas purification and raw material purification processes.
Core Working Principle
The hydrolysis catalyst features a dual working mechanism of catalytic hydrolysis conversion and in-depth impurity adsorption and purification. On one hand, abundant active sites on the catalyst surface adsorb organic sulfur molecules and water molecules from raw materials, weaken the internal chemical bonds of organic sulfur, reduce the activation energy of hydrolysis reactions, and promote the chemical reaction between stable organic sulfur compounds and water. It converts macromolecular, difficult-to-remove organic sulfur into small-molecule, easily removable hydrogen sulfide (H₂S), which can be completely eliminated with supporting zinc oxide desulfurizers to achieve thorough desulfurization and purification. On the other hand, the unique porous structure and active components of the catalyst can physically adsorb and chemically lock residual sulfides, chlorides, cyanides and other impurities in materials, further improving the overall purity of industrial materials.
Introduction of A911 Hydrolysis Catalyst

The A911 hydrolysis catalyst is a room-temperature high-efficiency organic sulfur purification catalyst independently developed by Shandong Xunda Chemical Industrial Group Co., Ltd., specially tailored for industrial raw materials and waste gas. It solves the inherent defects of traditional catalysts such as low activity, easy deactivation and pulverization, and single function. With strong adaptability to diverse scenarios and media, it is widely used in gas, petrochemical, power generation and chemical tail gas treatment industries.
Prepared with high-activity alumina as the carrier and special active components, the A911 catalyst boasts excellent pore structure and stable structural performance. Modified with professional anti-sulfur and anti-chlorine auxiliary agents, it delivers outstanding organic sulfur catalytic activity and superior anti-poisoning and anti-attenuation capabilities, enabling long-term stable operation under complex impurity working conditions.
Desulfurization reaction principles of A911 room-temperature organic sulfur hydrolysis catalyst:
COS+H₂O=H₂S+CO₂
CS₂+2H₂O=2H₂S+CO₂
Breaking the limitation of single desulfurization function, the A911 hydrolysis catalyst supports simultaneous purification of multiple impurities and is applicable to both gaseous and liquid industrial media. It can efficiently hydrolyze and convert organic sulfur in various raw materials to realize deep desulfurization in combination with desulfurizers, and simultaneously remove harmful impurities such as sulfides and chlorides, simplifying the industrial purification process. Capable of operating at room temperature, it achieves high organic sulfur conversion efficiency with purification accuracy far exceeding industry standards, meeting the requirements of high-end raw material purification and ultra-low emission. Featuring stable performance, low consumption, high mechanical strength and non-pulverization, it avoids equipment blockage, adapts to continuous industrial production, and effectively reduces enterprise operation and maintenance costs.

