| abstract |
The present invention relates to a method for producing liquid fertilizer using organic industrial waste and its apparatus. Alkali such as KOH [NaOH, Mg (OH) 2, etc.] is filled with organic industrial waste sewage sludge into the extracting device of the present invention, and 0.01N to 1.00. After adding N solution, the fertilizer was extracted while stirring under the conditions maintained at 50-120 ° C, and the nutrients were nitrogen (N), phosphorus (P), calorie (K) substances and trace elements iron. A method of developing fertilizers by adding (Fe), copper (Cu), manganese (Mn), molybdenum (Mo), zinc (Zn), and boron (B) to improve soil quality and improve crop growth. It is very effective in providing environmentally friendly liquid fertilizer and its manufacturing technology. |