The development of China's nitrogen fertilizer is ammonium sulfate started 60 years ago in the 20th century, ammonium sulfate is the main nitrogen species, to provide crop nutrients is a major source of sulfur. But since the 20th century, 60 years, because of the rapid development of high concentrations of nitrogen fertilizers, resulting in the proportion of ammonium sulfate in a gradual reduction in nitrogen. Recently with the state environmental protection, energy conservation and the acceleration of ammonia desulfurization technology and the economic rationality of the export growth of demand for sulfur fertilizer, ammonium sulfate industry of China will celebrate the history of the best opportunities for development.

       Green circle as boosters 

        Ammonium sulfate production in China was first with sulfuric acid and ammonia, and obtained, but later an increasing proportion of by-product ammonium sulfate, ammonium sulfate is basically all of the domestic industry by-product from other, such as coking industry, caprolactam, sulfuric acid emission desulfurization, desulfurization plant, acrylonitrile and methyl methacrylate, zinc oxide byproduct. By-product ammonium sulfate followed "by Waste" in principle, realize comprehensive utilization of waste, to the energy saving purpose. Especially with the ammonia desulfurization project technical breakthroughs, the future power plant desulfurization by-product ammonium sulfate production will be increased significantly.

        In order to encourage environmental protection and recycling economy as one of the products of green ammonium sulfate, the State has given a series of incentive policies: in 2008 the Ministry of Finance, State Administration of Taxation issued the "other products on the comprehensive utilization of resources and value-added tax policy notice" , provides for power-product ammonium sulfate 50% is to be used to implement VAT policy; as a fertilizer distribution, the ammonium sulfate fertilizer industries also enjoy some preferential policies, such as tariff concessions; in import and export policies , ammonium sulfate are not subject to "restrictions on fertilizer exports, the implementation of seasonal export policy" restrictions, the export tariff of zero, which greatly supported the ammonium sulfate industry. 
 

      Steady growth in export markets 

       Ammonium sulfate containing nitrogen, sulfur and two kinds of nutrients, mainly for fertilizer, but also the world's one of the important sulfur fertilizer. Ammonium sulfate commonly used in countries around the world, international trade accounted for 48% of production. With the growth of domestic production of ammonium sulfate, and good zero-tariff policy, the Chinese export of ammonium sulfate will maintain stable growth.

       Exports, Southeast Asia is the world's largest consumer of ammonium sulfate zone, 2008, total world consumption of 20.8%; area is Latin America's second-largest consumer, accounting for 18.5%. Southeast Asia can not be self-sufficient in terms of ammonium sulfate, about 25% of apparent consumption is imported, the import volume of the next few years will continue to grow. Because of the geographic advantage and many years down the brand, Southeast Asia, China is still a major exporter of ammonium sulfate.

       Affect China's exports of ammonium sulfate is the main factor of national policies and domestic production. In recent years, China's exports have been ammonium sulfate at 100 million tons, mainly due to China's overall less ammonium sulfate production, quality, good shapes yield less ammonium sulfate particles. With the increase in production, China is expected to further increase exports of ammonium sulfate. Change in national policies as well as increasing domestic production of ammonium sulfate, it is expected by 2015, China's export potential of ammonium sulfate will increase to 2 million tons market. 

       Promising domestic market 

        Present a larger percentage of the international application of ammonium sulfate, ammonium sulfate fertilizer, such as Western Europe, the proportion of total demand accounted for 6.4% of nitrogen, accounting for 22.2% of ASEAN, while China's current total amount of ammonium nitrogen fertilizer accounts for only about 1%, significantly lower than developed countries and neighboring countries. If the accounting for 4% to calculate 2015, China ammonium sulfate as a potential demand for fertilizer will reach 1,000 tons, and then consider the industrial application and export, the total potential market of China ammonium sulfate at 1000 tons.


        Ammonium consumption potential in China is the agricultural center of gravity. Chinese Academy of Agricultural Sciences Professor Zhao Bingqiang that ammonium sulfate in the sulfur has a great advantage. The future, China will be greater demand for sulfur, while sulfur crop yield will be taken away, to add; on the other hand, less and less sulfur into the atmosphere. It is reported that the South accounted for 30% of the soil sulfur deficiency, sulfur deficiency in northern soil accounted for 15% to 20%, now with the grain depot north, north sulfur deficiency has become increasingly serious. With ammonium sulfate can be their own advantages to the direct squeeze ammonium bicarbonate fertilizer market. 

        In addition to the direct application of a small, China is mainly used for agricultural production of low concentrations of ammonium sulfate fertilizer. Mostly of ammonium sulfate powder, compared to other species such as urea nitrogen as nitrogen source, the advantages of good performance with granulation, without chloride ions, is chlorine-free compound (co) main raw material for fertilizer. Fertilizer compound fertilizer industry of China will be the development direction of China's current rate of compound fertilizer, only 30% of the expected compound in China by 2015 (co-) production will reach 68 million tons of fat, low-concentration compound fertilizer production is 30 million t, if 30% of the nitrogen from the ammonium sulfate to provide, a conservative estimated 4.3 million tons of ammonium sulfate.


        In addition, the industrial development of related industries demand for ammonium sulfate will maintain moderate growth. Overall, with the increase in domestic production and the accelerated process of market development, the Chinese are good prospects for ammonium sulfate, and speed up market development is a direct fertilizer ammonium sulfate market in the next priority. (HU)