Liquid Humic Acid Extract for High-Conductivity Fertilizer Mixing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing liquid humic acid extracts form precipitates when combined with high-concentration liquid fertilizers containing metals like Mg, Fe, Zn, and Mo, limiting their effective use in concentrated form.
Innovation Solution
A liquid humic acid extract with a mass-average molecular weight of 100 to 1,200, total organic carbon concentration of 15,000 to 25,000 mg/L, and pH of 0.5 to 4.0, produced through specific extraction steps involving nitric acid oxidation and controlled pH and solid-liquid ratios, preventing precipitate formation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If liquid humic acid extract is combined with high-concentration liquid fertilizer containing metals (Mg, Fe, Zn, Mo), then fertilizer effectiveness is improved, but precipitate formation occurs
Solution Approach 1:
The patent applies parameter changes by controlling the molecular weight (100-1,200), pH (0.5-4.0), and total organic carbon concentration (15,000-25,000 mg/L) of the humic acid extract to prevent precipitate formation while maintaining fertilizer effectiveness
Solution Approach 2:
The patent uses a specific type of humic acid extract as an intermediary substance that bridges the fertilizer components and plant nutrients, enabling effective combination without harmful precipitate formation through its controlled molecular structure and chemical properties
2Productivity
If humic acid extract concentration is increased, then crop yield enhancement is improved, but precipitate formation increases
Solution Approach 1:
The patent optimizes the concentration parameters (total organic carbon: 15,000-25,000 mg/L) and molecular weight (100-1,200) to achieve high crop yield enhancement while maintaining solubility and preventing precipitate formation even at elevated concentrations
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution enables the humic acid extract to be mixed with high-concentration fertilizers without precipitating, enhancing crop yield and facilitating efficient agricultural applications.
Implementation Method 1
A step of addling 10 to 40 parts by mass, on dry basis, of nitric acid to 20 parts by mass of low rank coal, (2) A step of reacting the mixture obtained in (1) under the condition of 70 to 95° C. for 1 to 6 hours to prepare a crude humic acid product
Implementation Method 2
A step of adding water and an alkali to the crude humic acid product, (4) A step of extraction under the condition of a liquid temperature of 40 to 95° C. for 0.5 to 24.0 hours
Data Source
AI summary
A liquid humic acid extract that does not form precipitates when combined with a liquid fertilizer containing at least one of Mg, Fe, Zn and Mo and having an electric conductivity of 90 ms/cm or more. A liquid humic acid extract containing humic acid that has a mass-average molecular weight of 100 to 1,200, and having a total organic carbon concentration of 15,000 to 25,000 mg/L and a pH of 0.5 to 4.0. Preferably, the liquid humic acid extract contains a humic acid having a mass-average molecular weight of 100 to 1,200, and has a total organic carbon concentration of 15,000 to 25,000 mg/L and a pH of 0.5 to 4.0. A liquid humic acid extract that hardly forms precipitates and realizes an increase in the crop yield.