CN103433001A - Preparation method of biomass arsenic adsorbing material - Google Patents
Preparation method of biomass arsenic adsorbing material Download PDFInfo
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- CN103433001A CN103433001A CN2013103670231A CN201310367023A CN103433001A CN 103433001 A CN103433001 A CN 103433001A CN 2013103670231 A CN2013103670231 A CN 2013103670231A CN 201310367023 A CN201310367023 A CN 201310367023A CN 103433001 A CN103433001 A CN 103433001A
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Abstract
The invention belongs to the field of water treatment material and relates to a preparation method of biomass arsenic adsorbing material. The preparation method provided by the invention is as follows: peanut vine containing protein is modified, and the specific process comprises peanut vine cleaning, smashing, saccharomycetes treatment, cyclodextrin composition and the like. The biomass arsenic adsorbing material prepared by the invention has the following advantages: (1), chemical treatment is not involved, and the manufacturing process is green and environment-friendly; (2), the prepared biomass arsenic adsorbing material is purely natural and degradable; (3), saccharomycetes and cyclodextrin are fully used for playing the effects of chelating and absorbing pentavalent arsenic ions, and the adsorbing capacity of the pentavalent arsenic ions is promoted to 156 mg/g, that is, each gram adsorbing material can absorb 156 mg pentavalent arsenic ions, which is 8.5 times of activated carbon. The biomass arsenic adsorbing material prepared by the invention can be used for treating waste water containing arsenic ions, can be used for a drinking water device, and has a wide market prospect.
Description
Technical field
The invention belongs to the material for water treatment technical field, be specifically related to a kind of preparation method of living beings arsenic adsorbent material.
Background technology
Be subject to the reparation problem of arsenic polluted underground water body to cause worldwide broad research and concern.The removal method of Arsenic in Drinking Water mainly contains coagulation, absorption, ion-exchange and film method etc. at present.Wherein absorption method is because of simple, the reliable for effect prefered method that becomes Removal of Arsenic in Drinking Water of method.Common adsorbent has containing iron adsorbent, contains aluminium adsorbent etc. at present, the advantages such as adsorption capacity is large, effect of removing arsenic is good that they have, but because cost is higher, be difficult to promote (water for industrial use and waste water, 2005,36 (6), 35-38).China is large agricultural country, and the region drinking water type arsenic poisoning lesion of China mostly is economy and (does not owe) developed regions, the resident disperses relatively, be unfavorable for central water supply, therefore cheap, the abundant biological material of originating of applied cost carrys out remediation of high As drinking water (the Agriculture of Anhui science that has broad prospects in China, 2008,36 (20), 8801-8802).
Biomass cellulose is the abundantest polymeric biomaterial of nature (ion-exchange and absorption, 2010,26 (2), 187-192), can with many metal ion-chelants, therefore be widely used in water treatment industry, arsenic ion in adsorbed water, have that specific area greatly, easily forms hydrophilic environments, sorption and desorption speed is fast, power of regeneration strong, purify the advantages such as thorough.
Microorganism (as bacterium, saccharomycete, algae, fungi etc.) is also the environmentally friendly sorbing material of a class, and material is cheap and easy to get, aspect arsenic-adsorbing, has a wide range of applications.Before use material is carried out to physical or chemical treatment and can improve its absorption property, physical method generally has heat treatment, autoclaving, freeze drying etc., and chemical method comprises acid adding, adds alkali or organic reagent etc.Utilize the existence of the activity change arsenic of microorganism, trivalent As (III) ionic oxide formation become to pentavalent As (V) ion, then in conjunction with other chemical reagent (as active carbon etc.) to reach the effective absorption to arsenic.
Nutrition content in the peanut tendril is abundant, measures according to one's analysis, contains 12.9% thick protein, 2% crude fat, 46.8% carbohydrate in the peanut vine viticula leaf of sprawl growth, and wherein the gross protein value in the peanut leaf is up to 20%.
Novelty of the present invention is: (1) utilizes the peanut tendril to be rich in the characteristics of protein, and it is processed with saccharomycete, and the protein of peanut tendril is being entrusted one's child to the care of sb. a large amount of saccharomycete, and the arsenic adsorption capacity that improves the peanut tendril is had to facilitation; (2) cyclodextrin molecular and pentavalent As (V) ion have extremely strong compatibility, utilize the space of peanut tendril cell membrane and the characteristics that cyclodextrin is complementary, cyclodextrin molecular is embedded in the peanut tendril, has further improved the adsorption capacity of peanut tendril to arsenic; (3) peanut vine prepared overgrow the material sorbing material to the adsorbance of pentavalent arsenic ion up to 156mg/g, i.e. the adsorbable 156mg pentavalent arsenic of every gram sorbing material ion, be 8.5 times of active carbon.
Summary of the invention
The invention belongs to the material for water treatment field, relate to a kind of preparation method of living beings arsenic adsorbent material.The preparation method that the present invention proposes is by the modification of proteinaceous peanut tendril, and concrete technology comprises that the peanut tendril is cleaned, pulverizing, saccharomycete is processed and cyclodextrin is compound etc.Living beings arsenic adsorbent material prepared by the present invention has the following advantages: (1) does not relate to chemical treatment, and technical process is green, environmental protection; (2) the living beings arsenic adsorbent material pure natural prepared, degradable; (3) take full advantage of chelating, the suction-operated to the pentavalent arsenic ion of saccharomycete and cyclodextrin, the adsorbance of pentavalent arsenic ion is promoted to 156mg/g, i.e. the adsorbable 156mg pentavalent arsenic of every gram sorbing material ion, be 8.5 times of active carbon.Living beings arsenic adsorbent material prepared by the present invention both can be used for industrial enterprise containing the arsenic ion wastewater treatment, also can be used for drinking water apparatus, and produce market has a extensive future.
The preparation method of the living beings arsenic adsorbent material that the present invention proposes is characterized in that:
1) clean peanut tendril: by the rinsing of peanut tendril, oven dry;
2) the peanut tendril is pulverized: the peanut tendril after cleaning is placed in to pulverizer, and being ground into particle diameter is 20～60 purpose particles;
3) saccharomycete is processed: the peanut tendril after pulverizing and saccharomycete (specification: 200U/mg) and deionized water mixes, stir 1 hour, in 20～40 ℃ of placements 48～64 hours, filtration, drying, obtain the peanut tendril of saccharomycete processing; Wherein the weight ratio of saccharomycete/peanut tendril/deionized water is 1/1000/2000;
4) cyclodextrin is compound: the peanut tendril that saccharomycete is processed is placed in cyclodextrin aqueous solution 60～90 minutes, takes out, and filters, and is placed in drying box, in 20～40 ℃ of dryings 4～8 hours, obtains the living beings arsenic adsorbent material; Wherein, the mass concentration of cyclodextrin aqueous solution is 0.3%～1.5%.
The living beings arsenic adsorbent material is placed in to arsenic-containing waste water, and regulator solution pH value was 5～6, in 20 ℃ of absorption 6 hours, the concentration of arsenic in waste water ion is 50～1000mg/L, adsorbs completely, filters, by detecting residual arsenic ionic weight in solution, draw the arsenic ion adsorbance of living beings arsenic adsorbent material.
The biological material of above-mentioned arsenic-adsorbing ion is placed in to the phosphoric acid solution 1 hour that concentration is 0.1M, filters, clean, dry, complete desorption technique, obtain the living beings arsenic adsorbent material of regeneration; Again above-mentioned regrown material is placed in to arsenic-containing waste water, carries out arsenic ion absorption.A plurality of circulation like this, until the arsenic ion adsorbance of living beings arsenic adsorbent material is less than 75% of first adsorbance.
The accompanying drawing explanation
The stereoscan photograph that Fig. 1 is the living beings arsenic adsorbent material.
The specific embodiment
The invention is further illustrated by the following examples
Embodiment 1
By the harvesting of peanut tendril, with running water, clean, dry, the peanut tendril after clean is placed in to pulverizer, being ground into particle diameter is 20～60 purpose particles; By the peanut tendril after pulverizing and saccharomycete (specification: 200U/mg) and deionized water mixes, stir 1 hour, place 48 hours in 20 ℃, filtration, drying, obtain the peanut tendril of saccharomycete processing; Wherein the weight ratio of saccharomycete/peanut tendril/deionized water is 1/1000/2000; The peanut tendril that saccharomycete is processed is placed in cyclodextrin aqueous solution 60 minutes, takes out, and filters, and is placed in drying box, in 20 ℃ of dryings 4 hours, obtains the living beings arsenic adsorbent material; Wherein, the mass concentration of cyclodextrin aqueous solution is 0.8%.
0.2g living beings arsenic adsorbent material is placed in to 150mL containing arsenic ion waste water, regulator solution pH value is 5～6, in 20 ℃ of absorption 6 hours, the concentration of arsenic in waste water ion is 50～1000mg/L, adsorb completely, filter, by detecting residual arsenic ionic weight in solution, the arsenic ion adsorbance that draws the living beings arsenic adsorbent material is 129mg/g, i.e. the adsorbable 129mg arsenic ion of every gram sorbing material.
The sorbing material of above-mentioned arsenic-adsorbing ion is placed in to the phosphoric acid solution 1 hour that concentration is 0.1M, filters, clean, dry, complete desorption technique, obtain the living beings arsenic adsorbent material of regeneration; Again above-mentioned regrown material is placed in to arsenic-containing waste water, carries out arsenic ion absorption.10 circulations like this, the arsenic ion adsorbance of living beings arsenic adsorbent material still reaches 98mg/g, is greater than 75% of first adsorbance.
Embodiment 2
By the harvesting of peanut tendril, with running water, clean, dry, the peanut tendril after clean is placed in to pulverizer, being ground into particle diameter is 20～60 purpose particles; By the peanut tendril after pulverizing and saccharomycete (specification: 200U/mg) and deionized water mixes, stir 1 hour, place 64 hours in 40 ℃, filtration, drying, obtain the peanut tendril of saccharomycete processing; Wherein the weight ratio of saccharomycete/peanut tendril/deionized water is 1/1000/2000; The peanut tendril that saccharomycete is processed is placed in cyclodextrin aqueous solution 90 minutes, takes out, and filters, and is placed in drying box, in 40 ℃ of dryings 8 hours, obtains the living beings arsenic adsorbent material; Wherein, the mass concentration of cyclodextrin aqueous solution is 0.3%.
0.2g living beings arsenic adsorbent material is placed in to 150mL containing arsenic ion waste water, regulator solution pH value is 5～6, in 20 ℃ of absorption 6 hours, the concentration of arsenic in waste water ion is 50～1000mg/L, adsorb completely, filter, by detecting residual arsenic ionic weight in solution, the arsenic ion adsorbance that draws the living beings arsenic adsorbent material is 156mg/g, i.e. the adsorbable 156mg arsenic ion of every gram sorbing material.
The sorbing material of above-mentioned arsenic-adsorbing ion is placed in to the phosphoric acid solution 1 hour that concentration is 0.1M, filters, clean, dry, complete desorption technique, obtain the living beings arsenic adsorbent material of regeneration; Again above-mentioned regrown material is placed in to arsenic-containing waste water, carries out arsenic ion absorption.10 circulations like this, the arsenic ion adsorbance of living beings arsenic adsorbent material still reaches 124mg/g, is greater than 75% of first adsorbance.
Embodiment 3
By the harvesting of peanut tendril, with running water, clean, dry, the peanut tendril after clean is placed in to pulverizer, being ground into particle diameter is 20～60 purpose particles; By the peanut tendril after pulverizing and saccharomycete (specification: 200U/mg) and deionized water mixes, stir 1 hour, place 56 hours in 30 ℃, filtration, drying, obtain the peanut tendril of saccharomycete processing; Wherein the weight ratio of saccharomycete/peanut tendril/deionized water is 1/1000/2000; The peanut tendril that saccharomycete is processed is placed in cyclodextrin aqueous solution 70 minutes, takes out, and filters, and is placed in drying box, in 30 ℃ of dryings 6 hours, obtains the living beings arsenic adsorbent material; Wherein, the mass concentration of cyclodextrin aqueous solution is 1.5%.
0.2g living beings arsenic adsorbent material is placed in to 150mL containing arsenic ion waste water, regulator solution pH value is 5～6, in 20 ℃ of absorption 6 hours, the concentration of arsenic in waste water ion is 50～1000mg/L, adsorb completely, filter, by detecting residual arsenic ionic weight in solution, the arsenic ion adsorbance that draws the living beings arsenic adsorbent material is 143mg/g, i.e. the adsorbable 143mg arsenic ion of every gram sorbing material.
The sorbing material of above-mentioned arsenic-adsorbing ion is placed in to the phosphoric acid solution 1 hour that concentration is 0.1M, filters, clean, dry, complete desorption technique, obtain the living beings arsenic adsorbent material of regeneration; Again above-mentioned regrown material is placed in to arsenic-containing waste water, carries out arsenic ion absorption.10 circulations like this, the arsenic ion adsorbance of living beings arsenic adsorbent material still reaches 115mg/g, is greater than 75% of first adsorbance.
Embodiment 4
By the harvesting of peanut tendril, with running water, clean, dry, the peanut tendril after clean is placed in to pulverizer, being ground into particle diameter is 20～60 purpose particles; By the peanut tendril after pulverizing and saccharomycete (specification: 200U/mg) and deionized water mixes, stir 1 hour, place 60 hours in 20 ℃, filtration, drying, obtain the peanut tendril of saccharomycete processing; Wherein the weight ratio of saccharomycete/peanut tendril/deionized water is 1/1000/2000; The peanut tendril that saccharomycete is processed is placed in cyclodextrin aqueous solution 80 minutes, takes out, and filters, and is placed in drying box, in 40 ℃ of dryings 5 hours, obtains the living beings arsenic adsorbent material; Wherein, the mass concentration of cyclodextrin aqueous solution is 1.2%.
0.2g living beings arsenic adsorbent material is placed in to 150mL containing arsenic ion waste water, regulator solution pH value is 5～6, in 20 ℃ of absorption 6 hours, the concentration of arsenic in waste water ion is 50～1000mg/L, adsorb completely, filter, by detecting residual arsenic ionic weight in solution, the arsenic ion adsorbance that draws the living beings arsenic adsorbent material is 153mg/g, i.e. the adsorbable 153mg arsenic ion of every gram sorbing material.
The sorbing material of above-mentioned arsenic-adsorbing ion is placed in to the phosphoric acid solution 1 hour that concentration is 0.1M, filters, clean, dry, complete desorption technique, obtain the living beings arsenic adsorbent material of regeneration; Again above-mentioned regrown material is placed in to arsenic-containing waste water, carries out arsenic ion absorption.10 circulations like this, the arsenic ion adsorbance of living beings arsenic adsorbent material still reaches 122mg/g, is greater than 75% of first adsorbance.
Embodiment 5
By the harvesting of peanut tendril, with running water, clean, dry, the peanut tendril after clean is placed in to pulverizer, being ground into particle diameter is 20～60 purpose particles; By the peanut tendril after pulverizing and saccharomycete (specification: 200U/mg) and deionized water mixes, stir 1 hour, place 50 hours in 40 ℃, filtration, drying, obtain the peanut tendril of saccharomycete processing; Wherein the weight ratio of saccharomycete/peanut tendril/deionized water is 1/1000/2000; The peanut tendril that saccharomycete is processed is placed in cyclodextrin aqueous solution 90 minutes, takes out, and filters, and is placed in drying box, in 40 ℃ of dryings 6 hours, obtains the living beings arsenic adsorbent material; Wherein, the mass concentration of cyclodextrin aqueous solution is 0.8%.
0.2g living beings arsenic adsorbent material is placed in to 150mL containing arsenic ion waste water, regulator solution pH value is 5～6, in 20 ℃ of absorption 6 hours, the concentration of arsenic in waste water ion is 50～1000mg/L, adsorb completely, filter, by detecting residual arsenic ionic weight in solution, the arsenic ion adsorbance that draws the living beings arsenic adsorbent material is 111mg/g, i.e. the adsorbable 111mg arsenic ion of every gram sorbing material.
The sorbing material of above-mentioned arsenic-adsorbing ion is placed in to the phosphoric acid solution 1 hour that concentration is 0.1M, filters, clean, dry, complete desorption technique, obtain the living beings arsenic adsorbent material of regeneration; Again above-mentioned regrown material is placed in to arsenic-containing waste water, carries out arsenic ion absorption.10 circulations like this, the arsenic ion adsorbance of living beings arsenic adsorbent material still reaches 88mg/g, is greater than 75% of first adsorbance.
Claims (1)
1. the preparation method of a living beings arsenic adsorbent material is characterized in that:
1) clean peanut tendril: by the rinsing of peanut tendril, oven dry;
2) the peanut tendril is pulverized: the peanut tendril after cleaning is placed in to pulverizer, and being ground into particle diameter is 20～60 purpose particles;
3) saccharomycete is processed: the peanut tendril after pulverizing and saccharomycete (specification: 200U/mg) and deionized water mixes, stir 1 hour, in 20～40 ℃ of placements 48～64 hours, filtration, drying, obtain the peanut tendril of saccharomycete processing; Wherein the weight ratio of saccharomycete/peanut tendril/deionized water is 1/1000/2000;
4) cyclodextrin is compound: the peanut tendril that saccharomycete is processed is placed in cyclodextrin aqueous solution 60～90 minutes, takes out, and filters, and is placed in drying box, in 20～40 ℃ of dryings 4～8 hours, obtains the living beings arsenic adsorbent material; Wherein, the mass concentration of cyclodextrin aqueous solution is 0.3%～1.5%.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104402148A (en) * | 2014-12-16 | 2015-03-11 | 马鞍山太时芯光科技有限公司 | Secondary utilization device and secondary utilization method for cutting water |
| CN105498711A (en) * | 2015-12-29 | 2016-04-20 | 淄博永辰环境影响评价有限公司 | Heavy metal ion adsorbent for livestock and poultry breeding wastewater, preparation method of heavy metal ion adsorbent and adsorption technology |
| CN106430374A (en) * | 2016-12-22 | 2017-02-22 | 郑州丽福爱生物技术有限公司 | Heavy-metal sewage treating agent |
| CN106492753A (en) * | 2016-02-16 | 2017-03-15 | 朱小平 | A kind of preparation method of arsenic adsorbent material |
| CN106587198A (en) * | 2016-12-22 | 2017-04-26 | 郑州丽福爱生物技术有限公司 | Heavy metal environment-friendly type sewage treating agent and preparing method thereof |
| CN110732310A (en) * | 2019-11-08 | 2020-01-31 | 安徽潜隆机电科技有限公司 | gas mask environment-friendly chromium-free carbon and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104402148A (en) * | 2014-12-16 | 2015-03-11 | 马鞍山太时芯光科技有限公司 | Secondary utilization device and secondary utilization method for cutting water |
| CN105498711A (en) * | 2015-12-29 | 2016-04-20 | 淄博永辰环境影响评价有限公司 | Heavy metal ion adsorbent for livestock and poultry breeding wastewater, preparation method of heavy metal ion adsorbent and adsorption technology |
| CN106492753A (en) * | 2016-02-16 | 2017-03-15 | 朱小平 | A kind of preparation method of arsenic adsorbent material |
| CN106430374A (en) * | 2016-12-22 | 2017-02-22 | 郑州丽福爱生物技术有限公司 | Heavy-metal sewage treating agent |
| CN106587198A (en) * | 2016-12-22 | 2017-04-26 | 郑州丽福爱生物技术有限公司 | Heavy metal environment-friendly type sewage treating agent and preparing method thereof |
| CN110732310A (en) * | 2019-11-08 | 2020-01-31 | 安徽潜隆机电科技有限公司 | gas mask environment-friendly chromium-free carbon and preparation method thereof |
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