Abstract: A method for producing synthesis natural gas using a straw gas, includes the steps of: pressurizing and heating a conventional straw gas, conveying the straw gas to a converter containing carbon monoxide and hydrogen to react therewith in the presence of nickel-based catalyst, so as to result in conversion gas mixture with main components of methane, carbon dioxide, water and impurity; and cooling, gas-liquid separating and purifying to obtain a synthesis natural gas with methane content of over 90%. The synthesis natural gas obtained according to the method of present invention has high energy utilization efficiency, and can not only be used for civilian by a conventional natural gas infrastructure, but also serve as an energy supply for a combustion engine or a small gas turbine.

Abstract: A method for producing synthesis natural gas using a straw gas, includes the steps of: pressurizing and heating a conventional straw gas, conveying the straw gas to a converter containing carbon monoxide and hydrogen to react therewith in the presence of nickel-based catalyst, so as to result in conversion gas mixture with main components of methane, carbon dioxide, water and impurity; and cooling, gas-liquid separating and purifying to obtain a synthesis natural gas with methane content of over 90%. The synthesis natural gas obtained according to the method of present invention has high energy utilization efficiency, and can not only be used for civilian by a conventional natural gas infrastructure, but also serve as an energy supply for a combustion engine or a small gas turbine.

Abstract: A method is provided for electrochemically depositing a polysaccharide mass having a selected physical state. According to an embodiment, an electrically conductive support of a substrate is contacted with an aqueous solution including a selectively insolubilizable polysaccharide, and the selectively insolubilizable polysaccharide is electrochemically deposited on the electrically conductive support while controlling deposition conditions to form the polysaccharide mass having the selected physical state, such as that of a hydrogel. Deposition may be performed in a spatially and/or temporally controlled manner.

Abstract: A method is provided for electrochemically depositing a polysaccharide mass having a selected physical state. According to an embodiment, an electrically conductive support of a substrate is contacted with an aqueous solution including a selectively insolubilizable polysaccharide, and the selectively insolubilizable polysaccharide is electrochemically deposited on the electrically conductive support while controlling deposition conditions to form the polysaccharide mass having the selected physical state, such as that of a hydrogel. Deposition may be performed in a spatially and/or temporally controlled manner.

Abstract: Gels and polymers comprising a polypeptide bound to a polysaccharide are disclosed. Specific polypeptides include, but are not limited to, polypeptides that comprise glutamine or tyrosine residues. Specific polysaccharides include, but are not limited to, chitosan. Gels and polymers of the invention can be used for the in vitro and in situ formation of protein-polysaccharide conjugates. Methods of making polypeptide/polysaccharide gels and polymers are also disclosed.

Abstract: Gels and polymers comprising a polypeptide bound to a polysaccharide are disclosed. Specific polypeptides include, but are not limited to, polypeptides that comprise glutamine or tyrosine residues. Specific polysaccharides include, but are not limited to, chitosan. Gels and polymers of the invention can be used for the in vitro and in situ formation of protein-polysaccharide conjugates. Methods of making polypeptide/polysaccharide gels and polymers are also disclosed.