Technology for production of gasoline and combined production of natural gas and hydrogen through methanol synthesis of coke oven gas

Abstract

A technology for production of gasoline and combined production of natural gas and hydrogen through methanol synthesis of coke oven gas comprises the following steps: carrying out low temperature methanol washing on the coke oven gas to remove sulfur and carbon dioxide, carrying out deep cold methane separation on sulfur and carbon dioxide removed coke oven gas, sending a separated liquid methane product to an LNG storage tank, dividing the remaining coke oven gas into two parts, sending the first part to pressure swing adsorption to remove hydrogen sent to a gas cabinet as a product, mixing a pressure swing adsorption stripped gas with the second part of the coke oven gas going through a lateral line, further desulphurizing, mixing the obtained desulphurized gas mixture with parts of the carbon dioxide gas obtained after the low temperature methanol washing, a circulating gas of a methanol separator and parts of a circulating gas of a circulating gas compressor, carrying out methanol synthesis, carrying out an oil synthesis reaction, and carrying out oil product separation to obtain a fuel gas, liquefied petroleum gas, heavy oil and gasoline. The technology has the advantages of simple process flow, less device investment and low energy consumption.

Description

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AI Technical Summary

Benefits of technology

This patented method offers ways to make better use of coking furnace gases while producing fuel products like diesel or kerosene without generating excess amounts of harmful emissions such as nitrogen oxide (NOx). By combining these two materials into one product instead of just making them separately, this innovation can increase income per share compared to traditional methods that require multiple steps involving different sources of energy.

Problems solved by technology

The present patents discuss various methods for converting crude oil into liquid fuel or gasoline without generating excessive CO2. These techniques involve upgraded hydrocarbon sources like natural bitumen, shale oil, tar sand deposit, etc., while minimizing capital costs associated with these materials. Additionally, there are other ways to achieve this objective: either reduce the cost per kiloil equivalent of coal based fuels or replace them entirely with biofucls derived liquids called biomass; or reformulate some fossils containing heavy metals instead of coking coal. Overall, these approaches aim towards more efficient and economically viable chemical industry solutions involving both methanoxide and biodiesel chemistry.

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