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The production methods of ammonium sulfate mainly include: 1. Neutralization method: ammonia and sulfuric acid react in a saturated crystallizer (under vacuum or normal pressure) to generate ammonium sulfate crystals, which are separated by a centrifuge, the filter cake is dried to obtain the ... Read More
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Liquid Phase Process 1. Liquid Phase Process Description The liquid phase process uses a 37% formaldehyde solution and ammonium. The hexamine solution is then dewatered by evaporator and enters the centrifugation and drying device in order to obtain hexamine. This is an advanced, easy process. ... Read More
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Anhydrous calcium chloride has an unpleasant smell because it contains high impurities, especially calcium chloride made of calcium carbonate and hydrochloric acid, because the by-product acid will have organic impurities or the final adjustment of pH is not enough, there may be hydrochloric acid. ... Read More
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Calcium Chloride Powder Left Side: Our product, it with clearer solution when dissolved in water. Right Side: Other product, its aqueous solution is cloudy and contains impurities. Read More
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The industrial methods for preparing solid anhydrous ferric chloride include Chlorination Method and Titanium Tetrachloride By-product Method. 1. Chlorination Method: Uses waste iron wire or iron flakes as raw materials, and reacts with chlorine gas flowing upstream in the reaction furnace to obtain ... Read More
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1. Production principle It can be prepared by the reaction of limestone and hydrochloric acid. The main chemical reactions are as follows: CaCO3+2HCl→CaCl2+H2O+CO2↑ 2. Operation process 1) Calcium chloride dihydrate (CaCl2· 2H2O): Put hydrochloric acid (31%) and limestone powder into the reaction ... Read More
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The price trend of calcium chloride products began to increase in early October. In early September, the market was temporarily supported by the annual peak season demand and showed a slight increase. As the price of coal products rose, the cost of calcium chloride became significantly higher. Under ... Read More
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Recent “dual control of energy consumption”policy of the Chinese government, which has serious impact on the production capacity. In addition, the China Ministry of Ecology and Environment has issued the draft of “2021-2022 Autumn and Winter Action Plan Air Pollution Management” in September. During ... Read More
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