Industrial uses Metallurgy and Petroleum industry for metallurgical industry and metal processing industry in the metallurgical sector, especially non-ferrous metal production process requires the use of sulfuric acid. Basic necessities for the people to solve production of chemical fibers for the people familiar viscose rayon, which requires the use of sulfuric acid, a mixture of zinc sulfate, sodium sulfate as viscose spinning coagulation bath. Production of viscose fibers per 1t need to consume sulfate 1.2 ~ 1.5t, each producing 1t vinylon short fiber, will consume 98% sulfuric acid 230kg, 1t kapron each monomer production, need 1.6t20% fuming sulfuric acid. Further, nylon, cellulose acetate, polyacrylonitrile fibers and other chemical fiber production, but also a considerable amount of sulfuric acid used. Some developing countries to strengthen national defense sulfuric acid industry, once and military explosives production closely tied together. Whether military explosive (propellant, explosive) or industrial explosives, mostly based on nitro or nitrate as its main ingredient. The main ones are nitrocellulose, trinitrotoluene (TNT), nitroglycerin, picric acid and the like. While the preparation of these compounds is to rely on nitric acid, but must use concentrated sulfuric acid or fuming sulfuric acid. Preparation of the nuclear industry and rocket technology nuclear-reactor nuclear fuel production, reactor with titanium and aluminum alloys, and titanium alloy rockets, supersonic jets and satellites of the material used, and sulfuric acid are directly or indirectly relationship. Borax from the process for preparing large amounts of sulfuric acid required borane. Borane derivatives are the most important type of high-energy fuel. Borane and borohydride is used as preparation for the separation of uranium as a raw material of uranium 235. Thus, sulfuric acid and the defense industry and cutting-edge science and technology have a close relationship. Soil improvement for agricultural purposes, fertilizer production everyday household use most of the world Acidic drainage supplies through the country are containing concentrated sulfuric acid. This type of pass on the canal supplies and basic supplies through the canal, as can dissolve blockages in the channel in the oil and food debris and the like. However, due to the concentrated sulfuric acid will be highly exothermic reaction with water, it is recommended to try to keep the channels dry before using, and slowly pour the relevant chemicals, another need to wear gloves. 

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