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What is the difference between the amino acid method and ammoniation granulation?
Features of amino acid method granulated compound fertilizer: 1. It is produced using a liquid amino acid spraying and drum granulation process. 1. Low moisture content results in good particle strength. 2. Long-term storage without caking is suitable. Ammoniated slurry granulated compound fertilizer is produced by processing raw materials such as phosphate rock powder, sulfuric acid, phosphoric acid, liquid ammonia, and potassium chloride through multiple chemical reactions. Its notable features are as follows: 1. It is a potassium sulfate-type compound fertilizer that contains no chloride ions, and is suitable for all crops and cash crops. 2. The particles have high hardness, an irregular shape, a form similar to that of diammonium compounds, low moisture content, and do not clump together. 3. It has significant fertilizer efficiency; once it enters the soil, it dissolves quickly and is rapidly absorbed by crops. 4. It has a long-lasting fertilizer effect, with an utilization rate of up to 50%, and leaves no residues. Disadvantage: The feeding ratio is single
Ammoniation: This generally involves using a slightly excess amount of sulfuric acid together with the product of the low-temperature dechlorination reaction of potassium chloride (hydrogen chloride gas, which is absorbed by water to produce hydrochloric acid), along with an ammonium phosphate solution or phosphoric acid, to create a mixed acid. This mixed acid is then reacted with gaseous ammonia in a tubular reactor; the resulting mixture is directly sprayed into a drum granulator where it binds with some additional feed materials and recycled material to form granules. . . The particles are irregular in shape. Amino acids: From a technical perspective, amino acids can be divided into two types. The first is the amino acid slurry method (ammonolysis of amino acids), which draws on the aforementioned process by using an ammonium phosphate solution to which some sulfuric acid is added to form a mixed acid; the other steps are the same as those in ammonia synthesis, and the particles produced are irregular in shape. Secondly, granulation is achieved by using dilute sulfuric acid to react with liquid ammonia or gaseous ammonia, steam, and washing water through tube-in-layer contact within a drum granulator; the resulting particles are round in shape.
Ammoniation in a tubular reactor with drum granulation: This process involves using an excess of sulfuric acid together with the product of the low-temperature dechlorination reaction of potassium chloride (hydrogen chloride gas, which is absorbed by water to produce hydrochloric acid), along with an ammonium phosphate solution or phosphoric acid, to create a mixed acid. This mixed acid is then reacted with ammonia in a tubular reactor; the resulting mixture is directly sprayed into a drum granulator where it binds with some additional feed materials and recycled material to form granules. . . Particles can be regular or irregular. Amino acid method drum: Granulation is achieved through a contact reaction between dilute sulfuric acid and liquid ammonia or gaseous ammonia, steam, and washing water, using pipes embedded in the material layer inside a drum granulator; the resulting particles are regular in shape and round.
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Twins born from the same mother differ only in what they eat; their clothes are more or less the same