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Method for preparing fertilizer additive using parastilbite

A technology of staphite and additives, applied in chemical instruments and methods, applications, inorganic chemistry, etc., to achieve the effects of improving physical properties, reducing production costs, and expanding application fields

Inactive Publication Date: 2007-04-25
GUILIN UNIVERSITY OF TECHNOLOGY
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  • Summary
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AI Technical Summary

Problems solved by technology

But the method that utilizes stilbite to prepare fertilizer additives has not been reported at present

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0015] The main raw material for preparing mandilite fertilizer additives is natural mandilite mineral; NH 4 Cl solution; NaCl solution.

[0016] The chemical composition and process conditions for preparing hematilite fertilizer additives: use the natural hematilite ore of Guangxi resources as raw material, wash the raw ore, crush and process it to 60-120 mesh; use 10 grams of hematite, 1 mole of NH 4 100 moles of Cl solution; 10 grams of hematilite and 1 mole of NaCl solution of 100 moles were used to prepare ammonium and sodium hematilite, placed at room temperature for 8 hours, and washed until there was no chloride ion. The modified stilbene is added in a proportion of 10% and processed into chemical fertilizer.

[0017] Manufacturing process: washing → crushing → modification → finished product packaging

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Abstract

The invention discloses a preparation method for chemical fertilizers addition agent with red stilbite, which comprises steps: 1. elutriating and smashing raw material to 60-120 items; 2. preparing separately ammonium-type and natrium-type stilbite with 10g stilbite and 100 mol 1M NH4Cl solution, and 10g stilbite and 100mol 1M NaCl solution; placing for eight hours at room temperature; clearing to remove chloride ion. The adsorption ability of the modified product to kalium increases 3~4 times. As addition agent, it can realize the fixing and release slowly to nitrogen, phosphor and kalium, improves fertilizer performance and soil environment.

Description

technical field [0001] The invention relates to a method for preparing chemical fertilizer additives by using stilbite. Background technique [0002] Stellerite is a mineral species in the pyroxene group, its chemical composition (%): SiO 2 58.76、Al 2 o 3 14.13, CaO8.80, K 2 O0.11, Na 2 O0.18, Fe 2 o 3 0.44, H 2 o + 16.87, H 2 O-1.25, its calculated chemical formula is (K 0.017 Na 0.042 Ca 1.73 ) 1.189 [Al 1.997Si7. 5i 7.0.5018 ]6.75H 2 O. Natural stilbene is a hydrous alkali metal or alkaline earth metal aluminosilicate mineral, a framework silicate composed of silicon-oxygen tetrahedrons and aluminum-oxygen tetrahedrons. The oxygen atom in the aluminum oxygen tetrahedron has a valency and is not saturated, and the entire aluminum oxygen tetrahedron is negatively charged, and the nearby positively charged cations such as K + 、Na + , Ca 2+ , Mg 2+ Such as alkali metal or alkaline earth metal ions to compensate for the balance. The open structure is con...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/32B01J20/18C01B39/00C05G3/00
Inventor 陈南春崔天顺
Owner GUILIN UNIVERSITY OF TECHNOLOGY
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