The market price of thiourea has soared recently. With the increase of raw material prices and the increase of downstream demand, the price of thiourea products will continue to increase. In recent years, although the thiourea industry in China has developed rapidly, the annual production capacity is less than 80,000 tons, and there are only 10 production enterprises, and only one production company is above 10,000 tons. Due to the strong demand for thiourea in the domestic and foreign markets in recent years, the products are in short supply.
According to the latest forecast by experts, the annual demand for thiourea in the world is expected to increase to 200,000 tons in 10 years, two times higher than in 2005. With the increase of environmental protection pressure in Western developed countries, the production capacity of thiourea has not only not expanded in recent years, but has been reduced, resulting in an increasingly tight supply of thiourea globally. Because China has a raw material advantage in the production of thiourea and has a very broad development prospect, it has become an urgent task for the thiourea industry in China to accelerate the expansion of production scale, improve product quality and achieve clean production.
At present, China's thiourea enterprises have a small scale of production, low output, and lagging technology. The product variety structure is single, and high-grade products are almost blank. With the rapid development of the domestic chemical industry, printing and dyeing industry, pharmaceutical industry, and papermaking industry, as well as the continuous expansion of new uses of thiourea, the downstream industry has put forward higher requirements for the chemical and physical properties of thiourea. This prompted the domestic thiourea production must be scaled, specialized, refined, green, and modern development.
Thiourea is a non-toxic, non-polluting green chemical product, with high reduction potential, good thermal stability, new environmental protection, convenient transportation, etc., widely used in chemical, pharmaceutical, printing and dyeing, papermaking, photography, electroplating, pesticides, Metal mineral processing and other industries. Thiourea can be divided into ordinary grade, high purity grade, ultra high purity grade, nano grade and so on. China's industrial thiourea, only the chemical industry standard (HG/T3266-2002), is only divided into qualified products, first-class products, excellent products, has not introduced national standards, high-grade, ultra-high-grade, nano-level is not yet National standards for reference.
The current preparation process and outdated equipment technology has become a key factor affecting the development of China's thiourea industry. How to intensify scientific and technological research and reduce the gap with developed countries as soon as possible is an important issue for companies and scientific researchers.
The main raw materials for the production of thiourea are calcium cyanide and hydrogen sulfide. Hydrogen sulfide is a toxic and harmful gas, and it is not easy to store and transport. It is one of the world's most scarce chemical raw materials, and China's use of "three wastes" to control advanced technology Recycling of hydrogen sulfide gas has achieved a recycling economy and sustainable development.
However, at present, 99% of thiourea producers in China have never applied for patents. Most enterprises lack autonomous technologies, especially autonomous core technologies. SMEs have low R&D investment, 3/4 do not have R&D institutions, 2/3 have no technology research and development activities, and more than 70% do not have their own brands. In addition, the annual output of SMEs is generally only 2,000 to 5,000 tons, and the resource allocation is unreasonable and the production efficiency is low. It is difficult to adapt to the increasingly fierce market competition. Therefore, it is imperative to increase the level of science and technology, expand the scale of production, and meet market demands.
Although China has been able to produce superior grade thiourea, which occupies a certain position in the international market, the overall preparation process and equipment technology are relatively backward. The resulting environmental pollution problems and safety production issues have also become an important factor that restricts the development of the industry. Some high-quality, high-value-added products still need a lot of imports, and there is a big gap between product competitiveness and foreign companies.
Experts believe that the development of thiourea industry depends on the support of scientific and technological forces. The most promising varieties of thiourea in the next few years are high-grade thiourea and nano-scale thiourea. Therefore, this type of product is the main direction of upgrading of domestic thiourea products.
The general idea of ​​the development of the thiourea industry in China should be to establish a safe, clean, green, efficient, and sustainable development security system, and to achieve a high level of industry concentration so as to give full play to the advantages of large-scale competition. The specific approach is:
One must speed up to scale. The thiourea production enterprises should form scale advantages as soon as possible, and adopt the methods of combining strengths, mergers, and equity participation according to the characteristics of resource and market distribution and the degree of industrial linkages, and establish the integration of production, supply and sales across regions, across ownership, cross-industry, and even multinational operations. Large or large group companies to optimize resource allocation, increase industrial concentration, and enhance competitiveness in the international market.
Second, we must accelerate the pace of technological transformation of enterprises, improve scientific and technological content, and promote industrial upgrading. The thiourea production enterprises should actively adopt new technologies, new processes, and new methods to reduce the consumption of raw materials, develop and produce new products with high added value, strengthen the joint research and development of various companies, form scientific and technological achievements, promote industrial upgrading, and improve products. Quality, grade and added value to better meet user needs and improve the competitiveness of China's thiourea industry in domestic and foreign markets.
Third, we must strengthen ecological construction and environmental protection and implement clean production. To further strengthen the awareness of corporate social responsibility, we must vigorously develop and promote the clean production technology of thiourea, and strengthen ecological construction and environmental protection. Process transformation towards the direction of closed loop systems should be the strategic choice for the sustainable development of China's thiourea industry.
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