2results about How to "High value-added utilization" patented technology

The application relates to the hydrogen energy preparation technical field, in particular to a methanol cracking hydrogen production carbon process and system, the methanol cracking hydrogen production carbon process comprises the following steps: a, preparing methanol gas; b, methanol cracking is carried out through a catalyst system: under an argon atmosphere, the catalyst system is heated to a predetermined temperature, the methanol gas is introduced, and methanol cracking hydrogen production carbon is carried out; the catalyst system comprises an alloy catalyst and a modified metal oxide catalyst; c, product collection: collecting hydrogen and carbon material obtained by cracking. The application provides a methanol cracking hydrogen production carbon process and system, so as to solve the problems of insufficient catalyst activity and selectivity, large reactor energy consumption and high investment.

The application discloses a kind of gradient hierarchical utilization garbage incineration bottom ash preparation's zero clinker ultra-high performance concrete and its preparation method, including following weight parts raw materials: garbage incineration bottom ash 660-700 parts;Mineral powder 460-500 parts;Silica fume 35-45 parts;Fine quartz sand 380-420 parts;Activator 370-380 parts;Modifier 15-17 parts;Steel fiber 110-130 parts.Garbage incineration bottom ash includes following particle size and weight parts garbage incineration bottom ash: 8 μm below garbage incineration bottom ash 35-45 parts;8-40 μm garbage incineration bottom ash 75-85 parts;40-150 μm garbage incineration bottom ash 150-170 parts;150-500 μm garbage incineration bottom ash 380-420 parts.The application cooperates and utilizes garbage incineration bottom ash, mineral powder and silica fume, and does not use Portland cement as UHPC cementing material raw material, and UHPC preparation cost and carbon emission are greatly reduced.