Catalyst

① Carbon build-up mechanism. The alkaline additives of the steam reforming catalyst generally adopt alkaline minerals and alkaline earth oxides and other additives to jointly resist carbon to achieve

1) The catalyst should be fully dried before use. 2) In normal production, temperature, pressure, water-carbon ratio should be strictly controlled, following the principle of fine-tuning and preventin

Any substance retained on the catalyst may be deposited on the catalyst in the form of a solid, thus reducing the effectiveness of the steam reforming catalyst . Generally speaking, sulfur, chlorine a

When the surface of the reforming catalyst is slightly carbonized, because of the carbon covering the active centre, the activity decreases and the heat absorption decreases, and there are spots, hot

The effective component of the steam reforming catalyst, nickel (Ni),  is supported on alumina or silica alumina carriers.  These porous materials have strong water-absorbing properties, up to 35%.

In a hydrogen plant with saturated refinery gas or naphtha as feedstock, the steam reformer is the heart of the entire hydrogen production process. At high temperatures and pressures, hydrocarbons are

After purified by hydrodesulfurization, the raw gas enters into the reformer, mixes with steam according to the water to carbon ratio of 3.2~4.0, and then enters into the reformer tube through the res

Methanol, also known as wood alcohol or wood sperm, is a volatile liquid with a colourless, slightly ethanolic aroma, which is highly toxic and easily combustible. Methanol is second only to synthetic

The selectivity of hydrogenation catalyst is directly related to the adsorption form of intermediate products on the catalyst surface. By studying the adsorption characteristics of Pd sites, the relat

At present, the methods to reduce automobile exhaust pollution are mainly divided into in-engine purification and off-engine purification. In-engine cleaning is mainly to improve the quality of fuel a

Most of the metal-organic compounds are found in heavy petroleum fractions, especially residual oils. During the hydrorefining process, all metal-organic compounds undergo hydrogenolysis and the resul

The ammonia industry is of great significance for the development of agricultural production in the world and for the progress of human material civilization as a whole. Ammonia is one of the world's