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Method utilizing sloanea sinensis leaves for green synthesis of water-soluble nano-iron

A green synthesis and water-soluble technology, which is applied in the field of green synthesis of water-soluble nano-iron using the leaves of Monkey Joy Tree, can solve problems such as food shortages, achieve low cost, excellent catalytic effect, and promote sustainable development.

Active Publication Date: 2015-04-08
HUNAN AGRICULTURAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these substances are all foods, and their wide industrial application will inevitably cause a shortage of related foods

Method used

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  • Method utilizing sloanea sinensis leaves for green synthesis of water-soluble nano-iron
  • Method utilizing sloanea sinensis leaves for green synthesis of water-soluble nano-iron

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] 1. Put the collected monkey happy leaves at 60 o C dried for 144 hours, and obtained monkey joy leaf powder after crushing.

[0018] 2. Weigh 1.00 g of monkey joy leaf powder, add it to a conical flask, add 100.0mL deoxygenated ultrapure water to obtain monkey joy leaf solution, seal the bottle mouth, and bathe in hot water at 70°C for 30 minutes.

[0019] 3. Centrifuge the heated monkey joy leaf solution at a speed of 4000 r / min for 5 minutes, and the obtained supernatant is monkey joy leaf extract.

[0020] 4. Take 40ml of monkey joy tree leaf extract, add 2.0 mL of 0.10mol / L ferric nitrate solution to remove oxygen, mix well, and get a black gel, that is, water-soluble nano-iron.

Embodiment 2

[0022] 1. Put the collected monkey happy leaves at 60 o C dried for 144 hours, and obtained monkey joy leaf powder after crushing.

[0023] 2. Weigh 2.00 g of monkey joy leaf powder, add it to a conical flask, add 100.0mL deoxygenated ultrapure water to obtain monkey joy leaf solution, seal the bottle mouth, and bathe in hot water at 70°C for 30 minutes.

[0024] 3. Centrifuge the heated monkey joy leaf solution at 6000 r / min for 5 minutes, and the obtained supernatant is monkey joy leaf extract.

[0025] 4. Take 40ml of monkey joy tree leaf extract, add 4.0 mL of 0.10mol / L ferrous sulfate aqueous solution to remove oxygen, mix well, and get a black gel, that is, water-soluble nano-iron.

Embodiment 3

[0027] 1. Put the collected monkey happy leaves at 60 o C dried for 144 hours, and obtained monkey joy leaf powder after crushing.

[0028] 2. Weigh 4.00 g of monkey joy leaf powder, put it into a conical flask, add 100.0mL deoxygenated ultrapure water to obtain monkey joy leaf solution, seal the bottle mouth, and bathe in hot water at 70°C for 30 minutes.

[0029] 3. Centrifuge the heated monkey joy leaf solution at a speed of 4000 r / min for 7 minutes, and the obtained supernatant is monkey joy leaf extract.

[0030] 4. Take 40ml of monkey joy tree leaf extract, add 8.0 mL of 0.10mol / L ferric nitrate aqueous solution to remove oxygen, mix well, and get a black gel, that is, water-soluble nano-iron.

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Abstract

A method utilizing sloanea sinensis leaves for green synthesis of water-soluble nano-iron includes the steps: firstly, preparing sloanea sinensis leaf solution according to the standard of adding 1.00-5.00g of sloanea sinensis leaf powder into 100.0mL of deoxygenated water, and subjecting the sloanea sinensis leaf solution to water bath in hot water at the temperature of 50-70 DEG C for 30-120 minutes; centrifuging the heated sloanea sinensis leaf solution via a centrifugal machine at the rotating speed of 3000-6000r / min for 5-10min to obtain supernatant liquor, namely sloanea sinensis leaf extract; and according to the standard of adding 2mL-10.0mL of deoxygenated iron salt water solution with the molar concentration of 0.10mol / L into 40.0mL of sloanea sinensis leaf extract, and uniformly shaking to obtain the water-soluble nano-iron. The method is simple in operation and low in cost, and the prepared nano-iron has excellent catalytic performance and has good application value in the aspect of catalyzing and degrading organic matters difficult to degrade.

Description

technical field [0001] The invention relates to a preparation method of water-soluble nano-iron, in particular to a method for synthesizing water-soluble nano-iron by utilizing the green leaves of monkey joy tree. Background technique [0002] Due to its strong reducibility and excellent catalytic performance, nano-iron plays an important role in the fields of wastewater treatment, soil remediation, and catalytic degradation. Therefore, the preparation method of nano-iron has attracted people's attention. The commonly used method for preparing nano-iron is the reduction method using a strong reducing agent. [0003] NaBH is commonly used in strong reducing agent reduction method 4 , N 2 h 4 Prepare iron nanoparticles by reducing iron salts. NaBH 4 , N 2 h 4 It is inflammable and explosive, and its transportation and preparation process have a great impact on the environment, and the cost is relatively high. Toda Kogyo Ltd. started using hydrogen gas as a reducing age...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F9/24
Inventor 彭亮杨万鑫熊勇超曾清如邵继海
Owner HUNAN AGRICULTURAL UNIV
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