有機無機復混肥成套設備

1-20萬噸/年
腐殖酸工藝及成套設備
10000-200000t/y
Humic acid process & complete set equipments

■ 工藝介紹
◎ 采用化學方法萃取風化煤或褐煤中的腐殖質成為商品腐殖酸鹽,并可作為高端有機肥的原料。
■ 工藝特點
◎ 采用堿溶酸析工藝即堿抽提劑法生產腐殖酸。工藝過程如下:經過粉碎后的風化煤或褐煤與一定量的氫氧化鉀或氫氧化鈉溶液充分混合反應后生成腐殖酸鹽懸濁液,再利用離心機或自然沉淀分離出漿渣與清液;漿渣可作為有機肥的原料繼續使用,清液經酸析、濃縮、噴霧干燥后形成產品即為腐殖酸鹽。
■ 產品亮點
◎ 使用堿溶酸析法生產的腐殖酸有機質含量較高,分子中芳香環和脂肪鏈上的羥基以及羥基中存在可離解的氫離子使得腐殖質有酸度和交換容量,從而使其與許多有機物、無機物有發生螯合的潛在能力。
■ Process Introduce
◎ Use chemical method to extract humus from weathered coal or lignite, make it to be commodity humic acid salt, and also can be used as raw material of .high-end organic fertilizer.
 
■ Process Characteristics
◎ Use alkali solution acid out process (that is alkali extraction agent) to produce humic acid. Technological process is as follows: weathered coal or lignite after being pulverized, mix and react with a certain amount of potassium hydroxide or sodium hydroxide solution, generate humic acid salt suspension liquid, then separate slag and clear liquid through centrifuge or natural precipitation; Slags can be continuously used as raw materials of organic fertilizer, clear liquid form the products through acid out, concentration and spray drying, it is the humic acid salt.
 
■ Product Highlights
◎ Produce the humic acid by  alkali soluble acid method, its organic matter content is high, the aromatic ring of molecules and hydroxyl on the aliphatic chain and  dissociate hydrogen ions in hydroxyl make humus have acidity and exchange capacity, thus to make it have potential chelating ability with many organic matter and inorganic matter .
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