Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Clariant HDMax 520 Catalyst

Clariant HDMax 520 Catalyst is a high-performance hydrodesulfurization (HDS) catalyst from Clariant’s HDMax series, designed for ultra-low-sulfur diesel production. It features optimized nickel-molybdenum active phases on tailored alumina support, delivering superior activity, stability and fouling resistance in fixed-bed reactors under severe operating conditions.
  • clariant hdmax 520 catalyst_58447200
  • clariant hdmax 520 catalyst_58447200

Features Of Clariant HDMax 520 Catalyst

  1. Highly selective hydrogenation catalyst optimized for removal of alkynes and dienes in C₂–C₄ streams.

  2. Exceptional stability under industrial hydroprocessing conditions, minimizing deactivation and extending cycle life.

  3. Low palladium loading with proprietary support matrix, delivering cost-effective performance without compromising activity.

  4. Designed for fixed-bed reactor operation with excellent mechanical strength and crush resistance.

  5. Sulfur-tolerant formulation enabling reliable operation in feedstocks with trace sulfur contaminants.

Typical Applications Of Clariant HDMax 520 Catalyst

  1. Ethylene purification units for polymer-grade ethylene production.

  2. Propylene refining in polypropylene and acrylonitrile feedstock preparation.

  3. C₄ fraction selective hydrogenation in butadiene recovery and raffinate processing.

  4. Front-end hydrogenation in steam cracker off-gas treatment systems.

  5. Refinery light ends upgrading for petrochemical feedstock conditioning.

Specifications Of Clariant HDMax 520 Catalyst

Chemical TypePalladium-based heterogeneous catalyst on modified alumina support
Product FormCylindrical extrudates (3 mm diameter × 3–6 mm length)
AppearanceGray-black solid pellets
Primary ApplicationsSelective hydrogenation of alkynes and dienes in olefinic streams
Key FeaturesHigh selectivity, low Pd loading, sulfur tolerance, thermal stability
BenefitsExtended run lengths, reduced catalyst consumption, improved product purity
Storage RequirementStore in dry, inert atmosphere; avoid exposure to air and moisture


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