A method and device for simultaneously producing hydrogen and liquid fuel
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A liquid fuel and fuel reactor technology, which is applied to chemical instruments and methods, preparation of liquid hydrocarbon mixtures, and hydrogen production, etc. The effect of hydrocarbon selectivity, reduction of carbon deposition, and reasonable heat distribution
Active Publication Date: 2018-04-10
CHINA PETROLEUM & CHEM CORP +1
View PDF3 Cites 0 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
Fischer-Tropsch synthesis is a strongly exothermic reaction, and the accumulated heat not only reduces the selectivity of hydrocarbons, but also causes carbon deposition and crushing of the catalyst, and the bed temperature rises rapidly.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
preparation example Construction
[0029] The preparation method of catalyst in the embodiment:
[0030] Weigh 40g Fe(NO 3 ) 3 9H 2 O was dissolved in 200mL of distilled water, stirred evenly, 130g of zirconia powder was taken, evaporated to dryness at 50°C with a rotary evaporator, and then o C drying 12h, at 900 o C was roasted for 4h to obtain Fe 2 o 3 / ZrO 2 Oxygen carrier, where Fe 2 o 3 The mass content is 15%.
[0031] Weigh 29g Ni(NO 3 )2 ·6H 2 O was dissolved in 200mL of distilled water, stirred evenly, 130g of silicon oxide was taken, evaporated to dryness at 50°C with a rotary evaporator, and then o C drying 12h, at 900 o C roasting for 4h to obtain NiO / SiO 2 Oxygen carrier, in which the mass content of NiO is 10%.
Embodiment 1
[0033] Place 15gFe in the upper part of the fuel reactor 2 o 3 / ZrO 2 Catalyst, place 25gNiO / SiO in the lower section 2 Catalyst, separated by a screen to allow CO, H 2 and CH 4 pass. The start-up temperature of the lower section of the fuel reactor is 800°C, the upper section has only the heat preservation part and no heating part, and the pressure of the upper section is controlled at 2MPa. The air reactor temperature was controlled at 500°C. The temperature of the hydrogen production reactor is controlled at 750°C. The methane gas flow rate is 100 mL / min, the air flow rate is 50 mL / min, and the water flow rate is 10 mL / min.
Embodiment 2
[0035] Place 15gFe in the upper part of the fuel reactor 2 o 3 / ZrO 2 Catalyst, place 25gNiO / SiO in the lower section 2 Catalyst, separated by a screen to allow CO, H 2 and CH 4 pass. The start-up temperature of the lower section of the fuel reactor is 950°C, the upper section has only the heat preservation part and no heating part, and the pressure of the upper section is controlled at 2MPa. The air reactor temperature was controlled at 500°C. The temperature of the hydrogen production reactor is controlled at 750°C. The methane gas flow rate is 100 mL / min, the air flow rate is 50 mL / min, and the water flow rate is 10 mL / min.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
PUM
Property
Measurement
Unit
particle size
aaaaa
aaaaa
size
aaaaa
aaaaa
size
aaaaa
aaaaa
Login to view more
Abstract
The present invention discloses a method and an apparatus for simultaneously preparing hydrogen and a liquid-state fuel. The method comprises that air enters an air reactor, and reacts with Ni to generate NiO and oxygen-less gas, wherein the high-temperature oxygen-less gas is discharged from the top portion of the reactor so as to be directly used for electricity generation; the NiO enters a fuel reactor, and the NiO and methane introduced from the bottom portion are subjected to an oxidation reduction reaction on the lower portion of the fuel reactor to generate CO, H2 and Ni, wherein the Ni is recycled back to the air in the reactor; the CO, the H2 and the unconverted CH4 enter the upper portion of the reactor through a screen mesh arranged on the middle portion of the reactor, and the CO, the H2, the unconverted CH4 and a Fe2O3 catalyst are subjected to a Fischer-Tropsch synthesis reaction to generate a liquid-state fuel and Fe; and the liquid-state fuel outflows from the top portion of the reactor, and the Fe enters a hydrogen production reactor, and reacts with water vapor introduced from the bottom portion of the reactor to generate hydrogen and Fe3O4, wherein the hydrogen is discharged from the top portion of the reactor so as to be collected, and the Fe3O4 returns to the upper portion of the fuel reactor so as to be subjected to a Fischer-Tropsch synthesis reaction. With the method of the present invention, the self-thermal equilibrium of the whole system can be achieved, the gas separation device can be eliminated, the catalyst can achieve the two purposes, and the high-purity hydrogen can be directly produced.
Description
technical field [0001] The invention relates to a method and device for simultaneously producing hydrogen and liquid fuel. Background technique [0002] With the rapid development of social economy and the enhancement of people's awareness of environmental protection, the society's demand for hydrogen energy is increasing, and natural gas is rich in a large amount of methane gas. It has become a worldwide research to directly convert methane into more valuable hydrogen. hotspot. The future hydrogen production technology not only requires high hydrogen production efficiency and high hydrogen purity, but also has the characteristics of reducing greenhouse gas emissions. At present, most of the hydrogen in the world is provided by the hydrogen production process of methane steam reforming. After the reforming, the hydrogen is purified through water gas shift, pressure swing adsorption and other processes. The whole process is long, and the pressure swing adsorption can enrich ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to view more