The use of "ditch oil" to manufacture biodiesel is an important manifestation of the circular economy. In the past, discarded edible oils such as “roasted duck oil†flowed into chaos, and some were processed and returned to the table, causing food safety problems that were criticized. However, these "garbage" on the kitchen side and the "hazardous substances" on the table can be processed into "there is almost no difference between ordinary and ordinary diesel" after being processed in multiple processes such as impurities, chemical reaction, and distillation. Diesel, which is effectively recycled and reused, shows the bright future of “turning waste into treasureâ€. This fully demonstrates the strong "positive externalities" of the circular economy. On the one hand, the people do not have to worry about the "ditch oil" on the table; on the other hand, people have acquired new renewable energy in the field of production and life. It is a good thing to do both.
The problem is that such a circular economy does not always produce considerable economic benefits. Especially in the early stage of promotion and application, factors such as the maturity and stability of market products and the acceptance of consumers all affect the promotion progress of new resources. This is very obvious in the process of "ditch oil" to biodiesel. In the upstream of the chain, due to the lack of standardized and uniform recycling channels for the waste oil in the kitchen, the production enterprises are suffering from “satisfactionâ€. The oils recovered from the whole day are not enough for the machine to turn for half a day, and the stable mass production of biodiesel cannot be guaranteed. Down to the chain, if the market can not correctly understand and accept biodiesel, it may bring "can not sell" trouble. Coupled with the continued low price of international oil prices in recent years, the situation of multiple trapped backs of the abdomen means that relying solely on the “invisible hand†under the market economy, it is difficult to “turn waste into treasure†and “circular economyâ€. The beautiful ideas and vision will be lost.
Promote biodiesel transformed from “ditch oil†to promote circular economy. Although it is necessary to take enterprises as the main body, it is required to continuously improve the technical level and enhance the market competitiveness of products, but at the same time, it cannot ignore the guiding role of the government. Combining the experience of Shanghai to promote “ditch oil†from “table†to “on the carâ€, “visible hand†played an important role. In response to the problem of “not enough foodâ€, the local authorities started with the important nodes such as food business approval and approval, waste oil flow management, and established a whole process supervision system for edible oil utilization, which not only ensures the supply of raw materials for biodiesel production enterprises. At the same time, it cut off the passage of waste oil to the table. In order to solve the problem of “can’t sellâ€, the local government promoted public transportation, sanitation and other public utilities to take the lead in trial and promotion, opening up the path of biodiesel from processing to market.
Saving resources is the primary policy to break the bottleneck of resources and protect the ecological environment. Fully implement the "Opinions of the CPC Central Committee and the State Council on Accelerating the Construction of Ecological Civilization", deepen the promotion of energy conservation and emission reduction in the whole society, vigorously develop circular economy in all aspects of production, circulation and consumption, and demonstrate the experience of Shanghai to promote "digooil" to biodiesel. It is the key to play the role of "two hands" rationally. Undoubtedly, the full use of market-based operation of biodiesel is the most ideal mode. However, as the relevant person in charge of the local regulatory authorities pointed out, the bio-diesel produced by the kitchen waste is not a purely market-oriented product, but a public product related to food safety and urban operation security. The government should be at a critical moment. Help one.
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