Provided is a method for preparing a diol. In the method, a saccharide and hydrogen as raw materials are contacted with a catalyst in water to prepare the diol. The employed catalyst is a composite catalyst comprised of a main catalyst and a cocatalyst, wherein the main catalyst is a water-insoluble acid-resistant alloy; and the cocatalyst is a soluble tungstate and/or soluble tungsten compound. The method uses an acid-resistant, inexpensive and stable alloy needless of a support as a main catalyst, and can guarantee a high yield of the diol in the case where the production cost is relatively low.

Provided is a method for preparing a diol. In the method, a saccharide and hydrogen as raw materials are contacted with a catalyst in water to prepare the diol. The employed catalyst is a composite catalyst comprised of a main catalyst and a cocatalyst, wherein the main catalyst is a water-insoluble acid-resistant alloy; and the cocatalyst is a soluble tungstate and/or soluble tungsten compound. The method uses an acid-resistant, inexpensive and stable alloy needless of a support as a main catalyst, and can guarantee a high yield of the diol in the case where the production cost is relatively low.

A modular device for generating hydrogen gas from a hydrogen liquid carrier may include a housing; an inlet for receiving the hydrogen liquid carrier; and at least one cartridge arranged within the housing. The cartridge may include at least one catalyst configured to cause a release of hydrogen gas when exposed to the hydrogen liquid carrier. The modular device may include a gas outlet for expelling the hydrogen gas released in the modular device and a liquid outlet for expelling spent hydrogen liquid carrier.

The invention relates to a catalyst comprising a support, at least one noble metal M, tin, phosphorus and ytterbium, the content of phosphorus element being greater than or equal to 0.2% by weight and less than 0.4% by weight, and the content of ytterbium being less than or equal to 1% by weight relative to the mass of the catalyst. The invention also relates to the process for preparing the catalyst and to the use thereof in reforming.

The invention relates to a catalyst comprising a support, at least one noble metal M, tin, phosphorus and ytterbium, the content of phosphorus element being greater than or equal to 0.2% by weight and less than 0.4% by weight, and the content of ytterbium being less than or equal to 1% by weight relative to the mass of the catalyst. The invention also relates to the process for preparing the catalyst and to the use thereof in reforming.

A method for upgrading pyrolysis oil includes contacting a pyrolysis oil feed with hydrogen in the presence of a mixed metal oxide catalyst in a slurry reactor to produce an intermediate stream comprising light aromatic compounds comprising mono-aromatic compounds, di-aromatic compounds, or both, passing the intermediate stream to a hydrocracking reactor, contacting the intermediate stream with hydrogen in the presence of a hydrocracking catalyst in a hydrocracking reactor to produce a hydrocracking effluent comprising aromatic compounds having six to nine carbon atoms, passing the hydrocracking effluent to a transalkylation reactor, and contacting the hydrocracking effluent with hydrogen in the presence of a transalkylation catalyst in the transalkylation reactor to produce a transalkylation effluent comprising xylenes.

A method for upgrading pyrolysis oil includes contacting a pyrolysis oil feed with hydrogen in the presence of a mixed metal oxide catalyst in a slurry reactor to produce an intermediate stream comprising light aromatic compounds comprising mono-aromatic compounds, di-aromatic compounds, or both, passing the intermediate stream to a hydrocracking reactor, contacting the intermediate stream with hydrogen in the presence of a hydrocracking catalyst in a hydrocracking reactor to produce a hydrocracking effluent comprising aromatic compounds having six to nine carbon atoms, passing the hydrocracking effluent to a transalkylation reactor, and contacting the hydrocracking effluent with hydrogen in the presence of a transalkylation catalyst in the transalkylation reactor to produce a transalkylation effluent comprising xylenes.

The invention relates to a catalyst comprising a support, at least one noble metal M, tin, phosphorus and yttrium, the content of phosphorus element being less than or equal to 1% by weight, and the content of yttrium being less than or equal to 1% by weight relative to the mass of the catalyst. The invention also relates to the process for preparing the catalyst and to the use thereof in reforming.

The invention relates to a catalyst comprising a support, at least one noble metal M, tin, phosphorus and yttrium, the content of phosphorus element being less than or equal to 1% by weight, and the content of yttrium being less than or equal to 1% by weight relative to the mass of the catalyst. The invention also relates to the process for preparing the catalyst and to the use thereof in reforming.

The present invention relates to processes for the preparation of biofuel from biomass by fast hydropyrolysis or fast pyrolysis, using hydrogen generated by sorption enhanced steam reforming. The present invention also relates to fixed bed tandem catalytic-upgrading processes, and reactors and hydrodeoxygenation (HDO) catalysts useful in those processes.