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Reforming

Reforming is a critical step in the production of hydrogen. The type of reforming, and therefore the catalyst required, varies with the specific conditions at the plant including: configuration of the unit, feedstocks used, and the product and purity required. Clariant offers several catalyst sin the ReforMax® series that are optimized for various reaction schemes, as described in detail below.

Pre-Reforming
A pre-reformer is an adiabatic fixed-bed reactor upstream of the primary (steam) reformer. It allows greater flexibility in the choice of feedstock, increased lifetime of the steam reforming catalyst and tubes, and the option of boosting the overall plant capacity. Furthermore it allows operation at lower steam/carbon ratios. ReforMax 100 is a pre-reforming catalyst designed to handle the entire range of hydrocarbon feedstocks, from natural gas up to and including LPGs and naphthas.

Steam Reforming
Steam reforming, also called primary reforming, is at the heart of the reforming process. The selection of the optimal catalysts depends on several factors including furnace design, severity of service and the type of hydrocarbon processed. Common catalysts for this process are the ReforMax 200 and 300 series.

Autothermal Reforming
Oxygen-fed autothermal reformers require a mixed loading of catalysts, comprising an active heat shield and a reforming catalyst of excellent physical stability and thermal shock resistance. The standard catalyst loading is approx. 5 – 10 % of ReforMax 420 on top of ReforMax 330 LDP catalyst.

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