CN103007893A - Production method of positive ion type adsorption material of quaternary ammonium salt in bamboo powder - Google Patents
Production method of positive ion type adsorption material of quaternary ammonium salt in bamboo powder Download PDFInfo
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- CN103007893A CN103007893A CN2012105374793A CN201210537479A CN103007893A CN 103007893 A CN103007893 A CN 103007893A CN 2012105374793 A CN2012105374793 A CN 2012105374793A CN 201210537479 A CN201210537479 A CN 201210537479A CN 103007893 A CN103007893 A CN 103007893A
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Abstract
The invention provides a production method of a positive ion type adsorption material of quaternary ammonium salt in bamboo powder. The production method is carried out by the following four steps: I, crashing a residual material machined by the bamboo powder into bamboo powder with 60-80 meshes, and carrying out alkali treatment on the bamboo powder; II, modifying the bamboo powder after the alkali treatment by using epoxy chloropropane; III, modifying a prepared material treated by the step II with organic amine; and IV, finally preparing a yellow powder-like positive ion type adsorbent of the quaternary ammonium salt in the bamboo powder for treating sewage. The positive ion type adsorbent of the quaternary ammonium salt provided by the invention has the advantages of simple process, low raw material cost and large adsorption amount; and the adsorbent is adsorbed and can be directly subjected to incineration disposal. The positive ion type adsorbent of the quaternary ammonium salt prepared by the invention can be applied to adsorption treatment of waste water with phosphate radicals, and has good treatment effect. With the adoption of the production method of the positive ion type adsorption material of the quaternary ammonium salt in the bamboo powder provided by the invention, not only can the recycle of residual resources machined by a bamboo material be realized, but also the cheap and efficient novel adsorbent can be obtained, so that the development of the environmental friendliness is prompted.
Description
Technical field
The present invention relates to a kind of production method that chemical process prepares sorbing material of carrying out take the bamboo powder as main material, specifically the production method of bamboo powder quaternary ammonium salt cationic type sorbing material.
Background technology
The whole nation the 6th forest assessment statistics shows, 484.26 ten thousand hectares of the existing bamboo grove areas of China, producing the bamboo wood total amount per year is 1,800 ten thousand tons, almost account for half of world's bamboo wood output, be that maximum in the world bamboo resource has state and artificial bamboo board producing country, occupying world lead level aspect the development and use of bamboo timber resource.But the utilization rate of China's bamboo timber resource is on the low side at present, and a utilization rate is 20%-50%, and a large amount of bamboo surplus material of processing such as bamboo bits, sawdust, leftover pieces etc. are arranged every year, and the assorted bamboo and the dwarf bamboo that not yet utilize more than 1,180 ten thousand tons.Utilize bamboo surplus material of processing, by chemical modification, be prepared into various ion adsorbents, be used for the absorption poisonous and harmful substance.Both realize the agricultural wastes recycling, alleviated inadequate resource, met the green circulation economy development strategy, solved again problem of environmental pollution, undoubtedly, had very great social economy's usefulness.
The quaternary ammonium type adsorbent can be applicable to the processing of various waste water, such as anionic dye waste water, dichromate ion waste water, phosphate anion waste water etc., therefore prepare quaternary ammonium salt bamboo powder sorbing material, widened the surcharge of the bamboo class industrial wood waste of once once doing the discarded object processing, solved the waste of a large amount of bamboo processing waste materials or dealt with the problem of environmental pollution that brings improperly, the improvement that is applied to pollutant effluents for biological adsorption agent simultaneously provides technical support.
CN1011091906A, CN102580689A and CN102553538A disclose the quaternary ammonium cation sorbing material preparation method of agricultural wastes, these methods use a large amount of toxic solvents (such as pyridine, N, the solution such as dinethylformamide), production cost is higher, the solvent wastewater flow rate is large, easily causes secondary pollution.The primary solvent that the present invention uses is water, and cost is low, and is different from above-mentioned patent documentation synthetic method.Not yet find the report of relevant bamboo powder quaternary ammonium cation sorbing material production method both at home and abroad through retrieval.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of production method of bamboo powder ammonium type cation adsorbing material.
Solving the problems of the technologies described above the technical scheme that adopts is: the production method of this bamboo powder ammonium type cation adsorbing material follows these steps to carry out:
(1) alkali treatment of bamboo powder: with the water that 60-80 order bamboo powder and the 20-40 weight portion NaOH of 60 weight portions places the 200-400 weight portion, at room temperature stir 1-3 hour, suction filtration, with the watery hydrochloric acid washing to neutral post-drying;
(2) preparation of epoxychloropropane modified bamboo powder: the composite that step (1) is obtained mixes with 160-250 weight portion epoxychloropropane, reaction 4-12 hour, suction filtration, oven dry under 70-90 ℃ of condition;
(3) preparation of organic amine modified bamboo powder: will mix with short-chain fat organic amine and the 65-100 weight parts water of 40-60 weight portion through the composite of step (2) gained, reaction 4-12 hour under 50-70 ℃ of condition, suction filtration, with watery hydrochloric acid washing to neutral post-drying;
(4) preparation of bamboo powder quaternary ammonium cation sorbing material: will mix through step (3) gained composite being warming up to 55-75 ℃ with 200 weight parts waters, 200 weight portion isopropyl alcohols and 1-3 weight portion NaOH, slowly add 90-150 weight portion 2, the 3-epoxypropyltrimethylchloride chloride is dissolved in the aqueous solution of 150 weight portions, joining day is 25-35 minute, added rear continuation reaction after 2-6 hour, suction filtration, with the watery hydrochloric acid washing to neutral post-drying.
Short-chain fat organic amine described in the step (3) be in ethylenediamine, diethylenetriamine, triethylene tetramine, the TEPA any.
The invention has the beneficial effects as follows that the bamboo powder quaternary ammonium salt cationic type sorbing material of producing obviously improves than the adsorption capacity to phosphate anion of bamboo powder through the deep processing processing, quality of adsorption to phosphorus can surpass 475mg/g (calculating with P), and its adsorption capacity is apparently higher than the adsorbent of other agricultural wastes modification.This adsorbent can reach more than 97% the wastewater treatment percent of decolourization of the phosphorus of 50mg/L.To become as residue, the environmental contaminants modification of bamboo processing the high bamboo powder quaternary ammonium salt cationic type sorbing material of adsorption rate, anion all had good absorption property, be conducive to be applied to the fields such as processing of industrial wastewater, and turn waste into wealth, greatly improved the added value of bamboo powder.
Description of drawings
Fig. 1 is that the sample of the embodiment of the invention 1 gained is to the isothermal adsorption line chart of phosphorus.
Fig. 2 is that the sample of the embodiment of the invention 1 gained is to the percent of decolourization figure of phosphorus.
The specific embodiment
The present invention will be further described by the following examples.
First each raw material and weight portion proportioning value thereof are listed in the table below by eight embodiment:
In the table neutralization literary composition, with the short-chain fat organic amine referred to as organic amine.
Embodiment 1 (corresponding embodiment 1 and weight portion proportioning value in showing in the contrast) is prepared by following following these steps to:
(1) alkali treatment of bamboo powder: with the water that 60-80 order bamboo powder and the 30 weight portion NaOH of 60 weight portions place 300 weight portions, at room temperature stir 2 hours, suction filtration, with the watery hydrochloric acid washing to neutral post-drying;
(2) preparation of epoxychloropropane modified bamboo powder: the composite that step (1) is obtained mixes with 200 weight portion epoxychloropropane, reaction 4-12 hour, suction filtration, oven dry under 80 ℃ of conditions;
(3) preparation of organic amine modified bamboo powder: will mix with diethylenetriamine and 80 weight parts waters of 50 weight portions through the composite of step (2) gained, reaction 4-12 hour under 60 ℃ of conditions, suction filtration, with watery hydrochloric acid washing to neutral post-drying;
(4) preparation of bamboo powder quaternary ammonium cation sorbing material: will mix through step (3) gained composite being warming up to 65 ℃ with 200 weight parts waters, 200 weight portion isopropyl alcohols and 1 weight portion NaOH, slowly add 120 weight portions 2, the 3-epoxypropyltrimethylchloride chloride is dissolved in the aqueous solution of 150 weight portions, joining day is 25-35 minute, added rear continuation reaction after 2-6 hour, suction filtration, with the watery hydrochloric acid washing to neutral post-drying.
It should be noted that embodiment 1 is most preferred embodiment, all the other embodiment 2-8 are raw material and the proportioning value of corresponding embodiment in each table of comparisons all, makes by embodiment 1 same procedure.
Now take embodiment 1 gained sample as example, phosphorus absorption situation is seen Fig. 1.Fig. 1 is the at room temperature adsorption capacity of Phosphate Sorption of the embodiment of the invention 1 gained sample, when balance, with adsorption capacity equilibrium concentration is mapped the absorption isotherm that obtains.Fig. 2 be the embodiment of the invention 1 gained sample at room temperature to the percent of decolourization figure of phosphorus, the initial concentration of phosphorus is that 50 mg/litre, volume are 25 milliliters.
The present invention is that the saw bamboo bits, bamboo chip, leftover pieces, bamboo silk of original work offal treatment etc. are ground into 60-80 order powder take the bamboo powder as raw material, both has been conducive to stack, and can make again reaction more abundant, better effects if.
Claims (2)
1. the production method of a bamboo powder quaternary ammonium salt cationic type sorbing material is characterized in that following these steps to carrying out:
(1) alkali treatment of bamboo powder: with the water that 60-80 order bamboo powder and the 20-40 weight portion NaOH of 60 weight portions places the 200-400 weight portion, at room temperature stir 1-3 hour, suction filtration, with the watery hydrochloric acid washing to neutral post-drying;
(2) preparation of epoxychloropropane modified bamboo powder: the composite that step (1) is obtained mixes with 160-250 weight portion epoxychloropropane, reaction 4-12 hour, suction filtration, oven dry under 70-90 ℃ of condition;
(3) preparation of organic amine modified bamboo powder: will mix with short-chain fat organic amine and the 65-100 weight parts water of 40-60 weight portion through the composite of step (2) gained, reaction 4-12 hour under 50-70 ℃ of condition, suction filtration, with watery hydrochloric acid washing to neutral post-drying;
(4) preparation of bamboo powder quaternary ammonium cation sorbing material: will mix through step (3) gained composite being warming up to 55-75 ℃ with 200 weight parts waters, 200 weight portion isopropyl alcohols and 1-3 weight portion NaOH, slowly add 90-150 weight portion 2, the 3-epoxypropyltrimethylchloride chloride is dissolved in the aqueous solution of 150 weight portions, joining day is 25-35 minute, added rear continuation reaction after 2-6 hour, suction filtration, with the watery hydrochloric acid washing to neutral post-drying.
2. the production method of bamboo powder quaternary ammonium salt cationic type sorbing material as claimed in claim 1, it is characterized in that in the step (3) said short-chain fat organic amine be in ethylenediamine, diethylenetriamine, triethylene tetramine, the TEPA any.
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Cited By (7)
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|---|---|---|---|---|
| CN106334529A (en) * | 2016-10-04 | 2017-01-18 | 青岛大学 | Quaternary ammonium salt cationic kieselguhr and preparation method thereof |
| CN106362695A (en) * | 2016-10-04 | 2017-02-01 | 青岛大学 | Quaternary ammonium salt cationic modifying montmorillonite and preparation method thereof |
| CN106540652A (en) * | 2016-10-04 | 2017-03-29 | 青岛大学 | Modified flying dust of a kind of quaternary ammonium salt cationic and preparation method thereof |
| CN107321320A (en) * | 2017-07-28 | 2017-11-07 | 安徽科浦环保科技有限公司 | A kind of method for preparation of active carbon for purifying indoor formaldehyde |
| CN108996569A (en) * | 2018-08-14 | 2018-12-14 | 成都科衡环保技术有限公司 | A kind of decolorising agent and its preparation method and application |
| CN110668526A (en) * | 2019-10-21 | 2020-01-10 | 浙江工业大学 | Adsorption treatment method for industrial water-soluble charged sewage |
| CN110918065A (en) * | 2019-11-28 | 2020-03-27 | 浙江工业大学 | Bamboo powder-based ion exchange adsorption material and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106334529A (en) * | 2016-10-04 | 2017-01-18 | 青岛大学 | Quaternary ammonium salt cationic kieselguhr and preparation method thereof |
| CN106362695A (en) * | 2016-10-04 | 2017-02-01 | 青岛大学 | Quaternary ammonium salt cationic modifying montmorillonite and preparation method thereof |
| CN106540652A (en) * | 2016-10-04 | 2017-03-29 | 青岛大学 | Modified flying dust of a kind of quaternary ammonium salt cationic and preparation method thereof |
| CN106362695B (en) * | 2016-10-04 | 2018-10-26 | 青岛大学 | A kind of quaternary ammonium salt cationic modified montmorillonoid and preparation method thereof |
| CN106334529B (en) * | 2016-10-04 | 2018-10-26 | 青岛大学 | A kind of quaternary ammonium salt cationic type diatomite and preparation method thereof |
| CN106540652B (en) * | 2016-10-04 | 2018-10-26 | 青岛大学 | A kind of quaternary ammonium salt cationic is modified flying dust and preparation method thereof |
| CN107321320A (en) * | 2017-07-28 | 2017-11-07 | 安徽科浦环保科技有限公司 | A kind of method for preparation of active carbon for purifying indoor formaldehyde |
| CN108996569A (en) * | 2018-08-14 | 2018-12-14 | 成都科衡环保技术有限公司 | A kind of decolorising agent and its preparation method and application |
| CN108996569B (en) * | 2018-08-14 | 2021-05-25 | 成都科衡环保技术有限公司 | Decolorizing agent and preparation method and application thereof |
| CN110668526A (en) * | 2019-10-21 | 2020-01-10 | 浙江工业大学 | Adsorption treatment method for industrial water-soluble charged sewage |
| CN110918065A (en) * | 2019-11-28 | 2020-03-27 | 浙江工业大学 | Bamboo powder-based ion exchange adsorption material and preparation method thereof |
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