By the end of 2016, the NDRC and the SOA Notice on Issuing the "Thirteenth Five-year Plan for National Seawater Utilization". Since then, calm seawater desalination industry for many years set off waves: as of 2020, the total scale of desalination reached 2.2 million tons / day. The development of the subject and the status quo of the industry contrast, an instant moment to the sea a new round of carnival opportunities. Facing the dual game of cost technology desalination does not change the general trend of growth Since 2016, a series of market mergers and acquisitions have successively broken the silence of the sea water desalination industry. Since July last year, Baan Water rebuked a 100% stake in Swiss Water to acquire its core desalination membrane technology, low-temperature multi-effect desalination technology (MED) and zero-emission wastewater treatment technology. Immediately, the Palestinian water once again high-profile shot to nearly 4 million euros to buy 67.65% stake in ItN in Germany. According to publicly available information, the German environmental company, founded in 2002, is known for its nano-plate ceramic ultrafiltration membrane technology and has desalination technology, deep groundwater treatment technology and MBR wastewater treatment technology. Before in the field of environmental protection is not high degree of attention in the sea water desalination industry, why a sudden fire? Speaking in an interview with the media, Baian Water's relevant chief of staff pointed out that through the integration of leading international desalination technologies, Baan Water will take the development concept of technology-based enterprises and grasp the new round of market opportunities in the seawater desalination industry during the "13th Five-Year Plan" . "The development of this industry is much lower than the goal of policy advocacy and it is a more promising market." Speaking of the industrial prospect of desalination, Shi Fangbiao, director of consultancy research at UEM, has the same expectation. In the "13th Five-year Plan for National Seawater Utilization" issued by the end of 2016, it was clarified that by the year 2020, the total scale of desalination in the country will be 2.2 million tons / day or above. Compared with the total project size of 1 million tons / day by the end of 2015, this goal has apparently doubled. Specifically, by the end of the "Thirteenth Five-Year Plan", the total scale of China's seawater desalination has reached 2.2 million tons / day. Coastal cities to add desalination scale of 1.05 million tons / day, the island area of ​​desalination more than 140,000 tons / day. Seawater desalination equipment independent innovation rate reached 80% and above, the domestic market share of independent technology reached more than 70%, the international market share increased by 10%. "At present, China's seawater desalination industry is in a critical period of large-scale application." A comparison of the target data with the current situation has instantly given a boost to the seawater desalination market. And more urgent than the planning goal, or the thirst for water in industrial provinces and cities. According to the "Daily Economic News" reported that Tianjin, Hebei, Zhejiang and other major industrial provinces (municipalities) desalination planning goals together have exceeded the "13th Five-Year" plan of 2.2 million tons / day. The two superposition, reminders up the market for desalination prospect of high expectations. However, in the face of the upcoming "golden age," the development of the seawater desalination industry is still in full swing. Many insiders pointed out that the reality of desalination is somewhat "skinny," mainly due to the high cost of existing water sources. In general, desalination costs consist of investment costs, operating and maintenance costs, and energy costs. The cost of energy accounts for about 40% of the total cost. The operation and maintenance costs cover maintenance costs, pharmaceutical costs, depreciation, membrane replacement costs and so on. During the period between the two sessions in 2017, the proposal of "Further Promoting the Development of Desalination Industry" submitted by the Jiu San Society made it clear that the average cost per ton of seawater desalination was between RMB5 and RMB8, significantly higher than the cost of advanced overseas projects of RMB3 to RMB4. Even with newer and more advanced processing technologies and technologies, the product-water is not much different from traditional pure water or municipal water processes. "To put it plainly, desalination technology is the technology of changing water sources, turning seawater into fresh water and naturally being affected by fluctuations in energy prices." Unbearable cost, undoubtedly laid the groundwork for the fate of sea desalination. Li Linmei, director of Tianjin Institute of Seawater Desalination and Comprehensive Utilization, State Oceanic Administration, explained: "There are many reasons for the high cost, for example, membrane desalination consumes electricity, but China's energy costs are high and costs are increased." And In the meantime, according to officials from the State Oceanic Administration's Science and Technology Department, "In most coastal areas, seawater desalination is carried out on the basis of industrial electricity prices, resulting in higher prices of seawater desalinated water." Therefore, in most of China's provinces, seawater Degradation of the high cost of this decision is a loss-making business. What worries the above-mentioned people in the industry is that the existing self-reliant technology for seawater desalination lacks verification and needs further engineering application. The most critical technical part also has a gap with developed countries, the key core technology of energy recovery device is the United States, Japan, Switzerland and other countries to master. The relevant person in charge of the State Oceanic Administration pointed out that there is a lack of systematic study on the commonality and key technologies for the 10,000-ton-class and 100,000-ton-scale seawater utilization projects due to the relatively low degree of completeness and scale of technology. Desalination and nuclear energy, ocean energy, wind energy, solar energy and other renewable energy coupled technology is still in its infancy. In addition, "some domestic enterprises still do not have enough trust in domestic technologies and only recognize imported technologies." Users often demand that equipment suppliers have some application performance, which has become an important factor that affects the promotion of China's autonomous products. However, Li Linmei further pointed out that the less daring to use, the more difficult it is for the country to innovate in technology. This is because, as an important supplement to industrial water, it is also a major source of water for coastal cities. The desalination industry made in China has become the subject of water supply during the 13th Five-Year Plan period. After all, "to solve the urban water supply problem, it is necessary to cut costs and open source."
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