Due to the lower prices of international LNG and the weakening demand, domestic LNG prices have continued to decline in recent days. The drop in demand directly brought pressure on the upstream LNG plants and also affected the related logistics and transportation industry. In order to make up for the losses, some unscrupulous carriers actually compensated for their losses through adulteration. Some transporters add liquid nitrogen According to the China New Energy Channel, liquefied natural gas (LNG) is an energy form that is compressed and cooled to its boiling point and then turned into a liquid. Its main component is methane, which is transported on a special ship or tanker. Re-evaporate. At present, China's LNG is mainly industrial and automotive. In recent years, liquefied petroleum gas in China, that is, adulteration of liquefied gas has occurred frequently, but incidents of adulteration of LNG occur rarely. However, the China-Singapore Energy Channel recently learned that LNG in some parts of China is also adulterated. According to market news, some merchants add liquid nitrogen to LNG to obtain considerable economic profits. According to Zhu Yingxin, an analyst at Treasure Island, liquid nitrogen is originally used to adjust the fixed calorific value of LNG, but due to its considerable profits, it has gradually become a method for unscrupulous merchants to profit. “The price of liquid nitrogen in the northern market is around 1,500 yuan/ton, while the current recovery price of liquefied natural gas is around 4,000 yuan/ton, and the difference between one ton is 2500 yuan/ton, and the current 20 tons of liquefied natural gas are used to transport vehicles. Calculated, the general blending ratio can not exceed 10%, a vehicle cargo difference can reach 5,000 yuan, if the extraction of recycled 2 tons of liquefied natural gas two sales, that profit 8,000 yuan, which is a car profit reached 13,000 yuan This can be described as "significant benefits" in the LNG market in recent years, said Zhu Yingxin. According to Zhu Yingxin’s introduction, incidents of adulteration of liquefied natural gas are rare in China. Currently known is the incorporation of liquid nitrogen. This adulteration incident is more serious in Hubei and Shaanxi. China's LNG quality supervision is still blank So what impact does this substance have on LNG? How should we discern? According to Zhu Yingxin’s introduction, after liquid nitrogen is blended into natural gas, it will not affect the physical properties of LNG. However, for users, there are still various aspects of damage. For example, if a heavy-duty vehicle is added to natural gas as a fuel, the vehicle may stop during driving, or there may be different levels of sound from the shot. In addition, for natural gas with high industrial heat value requirements, if the blended calorific value will not reach the standard, it will also cause certain economic losses to industrial users. It is reported that at present, China has no legislation to control this illegal phenomenon, and the government security inspection, technical supervision and other departments have no enforcement power over the current phenomenon. Although individual users have problems in the use of timely warning, but due to the existence of high profits, it still caused the current phenomenon of this kind of situation has been expanding. In order to resist the chaos in the industry, a LNG transportation company in Zhangzhou has also paid special attention to the golden reward report, with a bonus of RMB 10,000. The company’s Huang Zong said in an interview with the China New Energy Channel that due to lack of relevant legal restrictions, many customers do not even know which department to go to when encountering such problems, and industry associations are powerless to do so. Speaking of a heavy reward, Huang Zong said: "If everyone does this, no one will manage it, and the whole industry will become more and more chaotic." According to Huang, the LNG would have been fevered at 9,000 kcal, and after adding liquid nitrogen, it would have been only 7,000 kcal, and the addition of this adulterated LNG would immediately result in the armpits. Zhu Yingxin stated on the China New Energy Network Channel: “At present, apart from industry self-regulation, there is no good solution to this doping phenomenon. 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