Peiyang Chemical Equipment Co., Ltd.
The Market Demand of China
The Market Demand of China's Cold Energy Utilization Industry

The new pattern of China's energy and organic chemical industry calls for a massive gap

China's CO2 emissions, which account for 69.5% of China's primary energy ratio, are expected to surpass the United States in 2015, ranking first in the world. So the energy conservation and emission reduction tasks are urgent. The project of using oxygen enriched gasification to transform coal into synthetic gas (CO+H2) and to produce power (electricity) simultaneously is developing rapidly. Syngas can be either directly synthesized or converted into pure hydrogen, instead of the valuable light hydrocarbon which is currently being used to make hydrogen. The co-produced CO2 can be recycled for dry ice and other chemicals, or in the later stage of oilfield development, the oil and gas fields can be injected into the stratum, and the oil and gas recovery can be improved by 5-6%, and the nitrogen gas will also have the same function. This is likely to be the best choice for China's CO2 emission reduction and at the same time it solves the problem that organic chemical raw materials are too dependent on oil. The strategic choice of this kind of energy chemical makes the market of air separation product face great expansion space. Of course, traditional industrial development requires a lot of air power. The air separation unit using LNG cold energy to produce liquid products can save about half of the cooling power consumption; The liquid nitrogen or liquid oxygen tank transport can also transport the cold energy to the oil and gas fields, coal plants and other users. This could be the most efficient and economical way to use the cold energy of a large LNG project. But to make full use of the cold energy of LNG, it is necessary to solve the coupling matching and integration optimization of other cold energy users and air separation units at -75 degrees celsius.

Cold energy demand for light hydrocarbon removal

The import of C2+ in the "wet" or "rich" LNG above 10% (W) can directly take advantage of the cold energy of LNG to separate C2+ fully and make ethylene raw materials. The associated gas at onshore or offshore oil and gas fields near the LNG terminal is mostly high in C2 +, the cold energy of LNG can be used to make ethylene. This can provide millions of tons of raw materials for the organic chemical industry in China, it can reduce the dependence on imported oil, and reduce the energy consumption and cost of ethylene industry.

Traditional cold energy utilization industry

Apart from the main means of combining the above air - separation/C2 + separation and cold energy transport, nations in the century have been mature and applied to power generation, waste tyre cold crushing, dry ice, frozen warehouse, seawater desalination, ice, air conditioning, gas turbine inlet air cooling and other traditional LNG cold energy utilization technology. According to different geographical and market conditions of LNG projects, specific optimization arrangements and echelon use are available.

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