CN105271452A - Water purifying agent production method - Google Patents
Water purifying agent production method Download PDFInfo
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- CN105271452A CN105271452A CN201410341777.4A CN201410341777A CN105271452A CN 105271452 A CN105271452 A CN 105271452A CN 201410341777 A CN201410341777 A CN 201410341777A CN 105271452 A CN105271452 A CN 105271452A
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Abstract
The present invention relates to a method for production of drinking water by acid-base method from crustacean shell as a raw material and an industrial and domestic sewage purification treatment method. The specific method is as follows: calcium in the shell is removed by acid treatment, protein in the shell is removed by alkali treatment, and finally chitin is prepared by decoloration with potassium permanganate; chitosan is prepared by alkali leaching and acid treatment of the chitin, and pH adjustment, filtration and drying; then the chitosan is dissolved in acetic acid, and added with activated carbon to prepare a complexe, and artificial bentonite is added into the complexe to prepare the water purifying agent. The method is simple, material is extensive, cost is low, and the obtained product can effectively adsorb heavy metals and harmful substances in water, and can also pre-reserve components useful to the human body.
Description
technical field:invention relates to a kind of application acid-base method, with the shell of Crustacean, as: shrimp shell, crab shell etc. prepare the method for water purification agent of tap water and industry, purifying domestic sewage process for raw material.
background technology:along with the raising of people's health care consciousness, the depuration quality of tap water is subject to people's attention day by day, but, the water purification agent of present common use is that break and have the wilkinite that catches heavy metal function etc. with adsorbent activity formulated mostly, some purifying water effects are not good, some filter membrane making pure water purification, but often there is dechlorination excessively, make water not easily stored for a long time, and the shortcoming also making iron, zinc, calcium needed by human body element lose in a large number while removing heavy metals relation by marriage, lead.
The present invention in view of the foregoing, and provides a kind of to people and will extract from shrimp shell, crab shell and the chitosan of preparation and the preparation method selling phenol sodium and the formulated water purification agent of wilkinite again.
summary of the invention:for achieving the above object, present invention employs following technical scheme: the preparation method of water purification agent is the calcium removed with acid treatment in shell, then removes the protein in shell with alkaline purification, makes chitin finally by potassium permanganate decolouring.Chitin alkali is soaked, acetic acid process, adjust pH value, through suction filtration, dry obtained chitosan.Then chitosan is dissolved in acetic acid, adds multiple pin phenol sodium, obtained complex body, in complex body, add artificial wilkinite just obtained water purification agent.Its its preparation is as described below: shrimp shell, crab shell water are cleaned up,
Pulverize after drying, more than 20 hours are soaked with the HCL of 2 mol/L, after use filter paper filtering, abandon filtrate, by the cleaning of filter residue use water to neutral, use the Na0H aqueous solution soaking more than 4 hours of 10% afterwards, the temperature of the aqueous solution is 90-96 DEG C, again filters, and washes with water to neutrality, rear repetition aforesaid operations, i.e. acid-alkali treatment.Potassium permanganate with 1% does not have bubble more than 1 hour, then washes with water to neutrality, chitin is dipped in the Na2HS0 of 1%
3solution in more than the 1 hour purple to potassium permanganate all disappear, filter, by white plates, i.e. chitin, immerses in 60%NaOH, react more than 18 hours in 60-70 DEG C, be washed till neutrality, after to be put in the acetic acid of 10% more than 24 hours, be then placed on whizzer and carry out centrifugal treating, abandon throw out, get supernatant liquor 40%N
aoH adjusts pH value to 8, by throw out suction filtration, dry in an oven in, obtained chitosan, chitosan is added in the acetic acid of 10% and stirs companion, after add multiple pin phenol sodium 40%NaOH and adjust pH value to 8, obtained complex body, add artificial wilkinite again, complex body and artificial bentonitic weight ratio are that 8-12:1-4 just can obtain water purification agent.
Chitin is a kind of nitrogenous sugar compounds, and formal name used at school is acetylglucosamine, is white-amorphous material, it is a kind of water insoluble, and the alkaline polysaccharide of diluted alkaline is the polymer of hexose, polymerization amount can reach 1000 to 3000, and molecular weight is more than 1,000,000.Chitin is converted into the soluble chitin of crystalline powder shape after the long-time deacetylation of highly basic; also known as chitosan; chitosan; formal name used at school is poly glucosamine; chitosan is chitin is the most also most widely used derivative; it is dissolved in the acidic solutions such as dilute acetic acid, and the number of its amino content and the size of molecular weight determine the viscosity of chitosan, and the viscosity of chitosan height determines the effect purified water.
Feature of the present invention is that preparation method is simple, material source is extensive, cost is low, the water purification agent purifying water effect prepared in this way is good, there is the effect of sterilization, desinsection, especially more remarkable to the performance of heavy metal in trapping water, water purification amount is large, and to needed by human body elements such as the iron in water, zinc, calcium not by filtering, not only to tap water, there is good cleaning action, its meet the requirement of environmental protection is made to industry, sanitary sewage also total good cleaning action.
case study on implementation:
Embodiment 1
Shrimp shell or 100 grams, crab shell are cleaned up with water, oven temperature is adjusted to 105 DEG C and is dried, then pulverize, by 1:10W/V, with the HCL soaking pit 24 hours of 2 mol/L, rear strainer filtering, abandon filtrate, by the cleaning of filter residue use water to neutral, by 1:8.W/V, the NaOH aqueous solution soaking of 10% 4 hours, the temperature of the aqueous solution is 90-96 DEG C, again filters, and washes with water to neutrality, rear repetition aforesaid operations, i.e. acid-alkali treatment.Potassium permanganate with 1% soaks 1 hour, then washes with water to neutrality, chitin is dipped in the Na2HSO of 1%
3solution in 1 hour purple to potassium permanganate all disappear, filter, by white plates, i.e. chitin, immerse in 60%NaOH, react 18 hours in 60-70 DEG C, be washed till neutrality, after to be put in the acetic acid of 10% more than 24 hours, then be placed on whizzer and carry out centrifugal treating, abandon throw out, get supernatant liquor 40%Na0H and adjust pH value to 8, by throw out suction filtration, dry in an oven, the temperature of drying is 100 DEG C of obtained chitosans, the chitosan getting 20 parts is added in 10% acetic acid 60 parts to stir to block to be mixed, after add 80 parts and sell phenol sodium 40%NaOH again and adjust pH values to 8, obtained complex body, add artificial wilkinite again, complex body and artificial bentonitic weight ratio are that 10:2 just can obtain water purification agent.
Embodiment 2
With complex body prepared by the method in embodiment 1, its complex body and artificial bentonitic weight ratio are 8:1.
Embodiment 3
With complex body prepared by the method in embodiment 1, its complex body and artificial bentonitic weight ratio are 12:4.
Claims (4)
1. the preparation method of a water purification agent, it is characterized in that: shrimp shell, crab shell water are cleaned up, pulverize after drying, with the HCL soaking pit more than 20 hours of 2 moles 1 liter, after use filter paper filtering, abandon filtrate, by the cleaning of filter residue use water to neutral, the NaOH aqueous solution soaking of rear use 10% more than 4 hours, the temperature of the aqueous solution is 90-95 DEG C, again filter, wash with water to neutrality, rear repetition aforesaid operations, i.e. acid-alkali treatment, potassium permanganate soaking pit with 1% more than 1 hour, then wash with water to neutrality, chitin is dipped in the Na2HSO of 1%
3solution in more than the 1 hour purple to potassium permanganate all disappear, filter, by white plates, i.e. chitin, immerse in 50%NaOH, react more than 18 hours in 60-70 DEG C, be washed till neutrality, after to be put in the acetic acid of 10% more than 24 hours, then be placed on whizzer and carry out centrifugal treating, abandon throw out, get supernatant liquor 40%NaOH and adjust pH value to 8, by throw out suction filtration, dry in an oven, its temperature is 100 DEG C of obtained chitosans, chitosan is added in the acetic acid of 10% and stirs well, after add active broken 40%NaOH and adjust pH value to 8, obtained complex body, add artificial wilkinite again, complex body and artificial bentonitic weight ratio are that 8-12:1-4 just can obtain water purification agent.
2. the preparation method of water purification agent according to claim 1, is characterized in that: complex body and artificial bentonitic weight ratio are 10:2.
3. the preparation method of water purification agent according to claim 1, is characterized in that: complex body and artificial bentonitic weight ratio are 8:1.
4. the preparation method of water purification agent according to claim 1, is characterized in that: complex body and artificial bentonitic weight ratio are 12:4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410341777.4A CN105271452A (en) | 2014-07-18 | 2014-07-18 | Water purifying agent production method |
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| CN201410341777.4A CN105271452A (en) | 2014-07-18 | 2014-07-18 | Water purifying agent production method |
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| CN105271452A true CN105271452A (en) | 2016-01-27 |
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| CN201410341777.4A Pending CN105271452A (en) | 2014-07-18 | 2014-07-18 | Water purifying agent production method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106810623A (en) * | 2016-12-02 | 2017-06-09 | 马卡穆罕默德 | A kind of chitin and its shitosan and application |
| CN108675365A (en) * | 2018-05-30 | 2018-10-19 | 佛山市航祥千安科技有限公司 | A kind of preparation method of water purification agent |
| CN108773863A (en) * | 2018-05-30 | 2018-11-09 | 佛山市航祥千安科技有限公司 | A kind of preparation method of natural water purification agent |
| CN109287634A (en) * | 2018-11-23 | 2019-02-01 | 四川月天抗菌制剂有限公司 | A kind of Antibacterial agent preparation method |
-
2014
- 2014-07-18 CN CN201410341777.4A patent/CN105271452A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106810623A (en) * | 2016-12-02 | 2017-06-09 | 马卡穆罕默德 | A kind of chitin and its shitosan and application |
| CN108675365A (en) * | 2018-05-30 | 2018-10-19 | 佛山市航祥千安科技有限公司 | A kind of preparation method of water purification agent |
| CN108773863A (en) * | 2018-05-30 | 2018-11-09 | 佛山市航祥千安科技有限公司 | A kind of preparation method of natural water purification agent |
| CN109287634A (en) * | 2018-11-23 | 2019-02-01 | 四川月天抗菌制剂有限公司 | A kind of Antibacterial agent preparation method |
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Application publication date: 20160127 |