CN103044720B - Preparation method of magnetic peach gum - Google Patents
Preparation method of magnetic peach gum Download PDFInfo
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- CN103044720B CN103044720B CN201310018981.8A CN201310018981A CN103044720B CN 103044720 B CN103044720 B CN 103044720B CN 201310018981 A CN201310018981 A CN 201310018981A CN 103044720 B CN103044720 B CN 103044720B
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- peach gum
- peach
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- iron salt
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Abstract
The invention discloses a preparation method of magnetic peach gum, which comprises the following steps: cleaning the original peach gum, removing impurities, adding into deionized water, soaking until the peach gum is sufficiently swollen, beating into pulp through a beating machine, heating, and stirring to obtain a peach gum water solution; adding ferric iron salt and ferrous iron salt into the peach gum water solution, and stirring to obtain the peach gum water solution containing the iron salt; and adding the peach gum water solution containing the iron salt into alkali liquor to obtain the magnetic peach gum. The magnetic peach gum prepared by the invention has favorable magnetic property and adsorbability, and can be conveniently recovered from water by means of a magnet; the preparation process of the magnetic peach gum is very simple, and raw materials are accessible, thereby being suitable for large-scale preparation; and the magnetic peach gum has favorable application prospects in the aspects of dye and heavy metal adsorption, biological separation, magnetic catalysts and the like.
Description
Technical field
What the present invention relates to is functional natural macromolecular material field, particularly a kind of preparation method of magnetic peach gum.
Background technology
Peach gum is the gluey vitrina of one be secreted by rosaceous plant trunks such as peach, mountain peach, Kiwifruit, cherries; There is very abundant peach gum resource in China; The main component of peach gum is polysaccharide, and its polysaccharide is made up of monose such as semi-lactosi, rhamnosyl, pectinose, glucuronic acids, and peach gum, to the equal toxicological harmless effect of people and animals, has higher edible and pharmaceutical use; Processed peach gum is also widely used in the industries such as chemical industry, makeup, printing and dyeing, electronics.At present about the correlative study of peach gum, be also in the starting stage, the research of magnetic peach gum has had not yet to see report; In addition, magnetic polymer gelatinous material shows good application prospect in Industrial Wastewater Treatment, bioseparation, catalyzer etc.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of magnetic peach gum, prepare peach gum base functional materials, what expand peach gum utilizes scope.
Concrete steps are:
(1) 0.5 ~ 5 gram of former peach gum is cleaned, join in 20 ~ 100 ml deionized water after removing impurity and soak, make it fully swelling, then pulpous state is broken into hollander, be be heated to 70 ~ 95 DEG C under the condition of 9 ~ 14 again at pH by it, stir 0.5 ~ 6 hour, obtained peach glue solution;
(2) in the obtained peach glue solution of step (1), trivalent iron salt and divalent iron salt is added, the concentration of trivalent iron salt is made to be 0.1 ~ 1 mol/L, make the concentration of divalent iron salt be 0.05 ~ 1 mol/L, stir 2 ~ 120 minutes, the obtained peach glue solution containing molysite;
(3) the peach glue solution containing molysite obtained for step (2) being added dropwise to 5 ~ 50 ml concns is in the alkali lye of 0.2 ~ 10 mol/L, i.e. obtained magnetic peach gum.
Described former peach gum is the secretion of rosaceous plant trunk and solid matter air-dry on trunk.
Described trivalent iron salt is iron(ic) chloride, ferric sulfate, iron nitrate, Iron triperchlorate or ironic citrate.
Described divalent iron salt is iron protochloride, Ferrous Gluconate or ferrous sulfate.
Described alkali lye is the aqueous solution of ammoniacal liquor, sodium hydroxide or potassium hydroxide.
Magnetic peach gum prepared by the present invention has good magnetic property and absorption property, can magnet be utilized very easily it to be reclaimed from water; And its preparation process is very simple, and raw material is easy to get, suitable a large amount of preparation; This magnetic peach gum has good application prospect in dyestuff and heavy metal adsorption, bioseparation and magnetic catalyst etc.
Accompanying drawing explanation
Fig. 1 is that magnetic peach gum prepared by the embodiment of the present invention 1 shows the photo of magnetic property under magnetic field condition.
Fig. 2 is the x-ray diffraction pattern of magnetic peach gum prepared by the embodiment of the present invention 1.
Fig. 3 is the scanning electron microscope diagram sheet of magnetic peach gum prepared by the embodiment of the present invention 1.
Fig. 4 is the energy spectrogram of magnetic peach gum prepared by the embodiment of the present invention 1.
Embodiment
embodiment 1:
(1) 5 grams of former peach gums are cleaned, join in 100 ml deionized water after removing impurity and soak, make it fully swelling, then pulpous state is broken into hollander, be be heated to 85 DEG C under the condition of 11 again at pH by it, stir 5 hours, obtained peach glue solution;
(2) in the obtained peach glue solution of step (1), add iron(ic) chloride and iron protochloride, the concentration making iron(ic) chloride is 1 mol/L, makes the concentration of iron protochloride be 0.5 mol/L, stirs 30 minutes, the obtained peach glue solution containing molysite;
(3) the peach glue solution containing molysite obtained for step (2) being added dropwise to 50 ml concns is in the ammonia aqueous solution of 8 mol/L, i.e. obtained magnetic peach gum.
embodiment 2:
(1) 0.5 gram of former peach gum is cleaned, join in 20 ml deionized water after removing impurity and soak, make it fully swelling, then pulpous state is broken into hollander, be be heated to 95 DEG C under the condition of 14 again at pH by it, stir 0.5 hour, obtained peach glue solution;
(2) in the obtained peach glue solution of step (1), iron trichloride and ferrous sulfate is added, the concentration of iron trichloride is made to be 0.1 mol/L, make the concentration of iron protochloride be 0.05 mol/L, stir 2 minutes, the obtained peach glue solution containing molysite;
(3) the peach glue solution containing molysite obtained for step (2) being added dropwise to 5 ml concns is in the aqueous sodium hydroxide solution of 10 mol/L, i.e. obtained magnetic peach gum.
embodiment 3:
(1) 4 grams of former peach gums are cleaned, join in 100 ml deionized water after removing impurity and soak, make it fully swelling, then pulpous state is broken into hollander, be be heated to 70 DEG C under the condition of 9 again at pH by it, stir 6 hours, obtained peach glue solution;
(2) in the obtained peach glue solution of step (1), iron nitrate and Ferrous Gluconate is added, the concentration of iron nitrate is made to be 1 mol/L, make the concentration of Ferrous Gluconate be 0.05 mol/L, stir 120 minutes, the obtained peach glue solution containing molysite;
(3) the peach glue solution containing molysite obtained for step (2) being added dropwise to 40 ml concns is in the potassium hydroxide aqueous solution of 0.2 mol/L, i.e. obtained magnetic peach gum.
embodiment 4:
(1) 2 grams of former peach gums are cleaned, join in 80 ml deionized water after removing impurity and soak, make it fully swelling, then pulpous state is broken into hollander, be be heated to 85 DEG C under the condition of 12 again at pH by it, stir 3 hours, obtained peach glue solution;
(2) in the obtained peach glue solution of step (1), ironic citrate and iron protochloride is added, the concentration of ironic citrate is made to be 0.7 mol/L, make the concentration of iron protochloride be 0.4 mol/L, stir 120 minutes, the obtained peach glue solution containing molysite;
(3) the peach glue solution containing molysite obtained for step (2) being added dropwise to 30 ml concns is in the ammonia aqueous solution of 9 mol/L, i.e. obtained magnetic peach gum.
embodiment 5:
(1) 3 grams of former peach gums are cleaned, join in 60 ml deionized water after removing impurity and soak, make it fully swelling, then pulpous state is broken into hollander, be be heated to 90 DEG C under the condition of 13 again at pH by it, stir 3 hours, obtained peach glue solution;
(2) in the obtained peach glue solution of step (1), Iron triperchlorate and iron protochloride is added, the concentration of Iron triperchlorate is made to be 0.8 mol/L, make the concentration of iron protochloride be 0.3 mol/L, stir 60 minutes, the obtained peach glue solution containing molysite;
(3) the peach glue solution containing molysite obtained for step (2) being added dropwise to 40 ml concns is in the potassium hydroxide aqueous solution of 10 mol/L, i.e. obtained magnetic peach gum.
embodiment 6:
(1) 1 gram of former peach gum is cleaned, join in 40 ml deionized water after removing impurity and soak, make it fully swelling, then pulpous state is broken into hollander, be be heated to 90 DEG C under the condition of 12 again at pH by it, stir 4 hours, obtained peach glue solution;
(2) in the obtained peach glue solution of step (1), add ferric sulfate and ferrous sulfate, the concentration making ferric sulfate is 0.1 mol/L, makes the concentration of ferrous sulfate be 0.3 mol/L, stirs 60 minutes, the obtained peach glue solution containing molysite;
(3) the peach glue solution containing molysite obtained for step (2) being added dropwise to 50 ml concns is in the aqueous sodium hydroxide solution of 1 mol/L, i.e. obtained magnetic peach gum.
Claims (1)
1. a preparation method for magnetic peach gum, is characterized in that concrete steps are:
(1) 0.5 ~ 5 gram of former peach gum is cleaned, join in 20 ~ 100 ml deionized water after removing impurity and soak, make it fully swelling, then pulpous state is broken into hollander, be be heated to 70 ~ 95 DEG C under the condition of 9 ~ 14 again at pH by it, stir 0.5 ~ 6 hour, obtained peach glue solution;
(2) in the obtained peach glue solution of step (1), trivalent iron salt and divalent iron salt is added, the concentration of trivalent iron salt is made to be 0.1 ~ 1 mol/L, make the concentration of divalent iron salt be 0.05 ~ 1 mol/L, stir 2 ~ 120 minutes, the obtained peach glue solution containing molysite;
(3) the peach glue solution containing molysite obtained for step (2) being added dropwise to 5 ~ 50 ml concns is in the alkali lye of 0.2 ~ 10 mol/L, i.e. obtained magnetic peach gum;
Described former peach gum is the secretion of rosaceous plant trunk and solid matter air-dry on trunk;
Described trivalent iron salt is iron(ic) chloride, ferric sulfate, iron nitrate, Iron triperchlorate or ironic citrate;
Described divalent iron salt is iron protochloride, Ferrous Gluconate or ferrous sulfate;
Described alkali lye is the aqueous solution of ammoniacal liquor, sodium hydroxide or potassium hydroxide.
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| CN201310018981.8A CN103044720B (en) | 2013-01-19 | 2013-01-19 | Preparation method of magnetic peach gum |
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| CN201310018981.8A CN103044720B (en) | 2013-01-19 | 2013-01-19 | Preparation method of magnetic peach gum |
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| CN103044720B true CN103044720B (en) | 2015-05-20 |
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| CN106925217A (en) * | 2017-04-08 | 2017-07-07 | 桂林理工大学 | A kind of preparation method of the magnetic porous carbon of peach gum base |
| CN109126684B (en) * | 2018-10-30 | 2021-03-19 | 常熟理工学院 | Preparation method of base iron-loaded mixed ash adsorbent |
| CN112958053B (en) * | 2021-03-29 | 2023-09-15 | 郑州轻工业大学 | Preparation method and application of PG/PAA composite aerogel |
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| CN1107495A (en) * | 1994-12-29 | 1995-08-30 | 泰安市泰山区三美罐头桃胶社会福利厂 | Solid peach gum preparing method and its product |
| CN102258981B (en) * | 2011-05-27 | 2012-12-26 | 清华大学 | Method for preparing magnetic chitosan nano particles and processing heavy metal wastewater |
| CN102266750B (en) * | 2011-08-01 | 2013-05-15 | 武汉工程大学 | In situ preparation method of magnetic bio-absorbent |
| CN102755879B (en) * | 2012-08-13 | 2014-03-12 | 常州大学 | Preparation method of magnetic mineralized refuse for water treatment |
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