CN103691408B - Succinic anhydride modified wild reed stem adsorbent as well as preparation and application thereof - Google Patents
Succinic anhydride modified wild reed stem adsorbent as well as preparation and application thereof Download PDFInfo
- Publication number
- CN103691408B CN103691408B CN201310737816.8A CN201310737816A CN103691408B CN 103691408 B CN103691408 B CN 103691408B CN 201310737816 A CN201310737816 A CN 201310737816A CN 103691408 B CN103691408 B CN 103691408B
- Authority
- CN
- China
- Prior art keywords
- succinic anhydride
- solution
- concentration
- crystal violet
- dye
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to a succinic anhydride modified wild reed stem adsorbent as well as preparation and an application thereof. The preparation comprises steps as follows: 1) reed stem powder is added into a round-bottom flask, then succinic anhydride is added, pyridine is taken as a solvent, condensation and backflow is performed by an air condenser under the condition of constant temperature oil bath, a Buchner funnel is used for suction filtration after cooling, distilled water and ethanol are used respectively for alternate clean washing, a product is placed into an air dry oven, dried and placed into a dryer for standby application; and 2) the reed stem obtained in the step 1) is stirred in a saturated sodium bicarbonate solution, then subjected to suction filtration by the Buchner funnel and alternate clean washing by the distilled water and ethanol, is dried continuously, packed into a bag and stored in the dryer. A novel adsorbing material obtained by the invention has better adsorption for cationic dye, metal ions and the like, a better method is provided for comprehensive utilization of the reed stem, and certain application prospect is provided.
Description
Technical field
The invention belongs to technical field of water pollution control, be specifically related to preparation method and application that succinic anhydride modifies wild reed straw new adsorbent.
Background technology
Dyeing waste water is that a class COD is high, and colourity is high, and biochemical is poor, and discharge capacity is large and be difficult to one of industrial wastewater of administering, and wherein decolouring is the key of administering.2007, China Dyestuffs, organic pigment output added up to 95.32 ten thousand tons, and in DYE PRODUCTION process, the dyestuff of nearly 10 ~ 15% directly can enter in environment with waste water and produce a large amount of waste water from dyestuff, to environment and healthy generation major hidden danger.The method of industrial dye wastewater treatment has: absorption method, chemical coagulation method, oxidizing process, filtration method and biological treatment.Wherein, the method for absorption is disposed of sewage, and has easy to operate, and equipment is simple, efficient and with low cost, and adsorbent can the feature such as recycling utilization.The modification reed straw new adsorbent that this research is selected, just to an expansion of Handling Waste Water by Absorbing Way research field.
Reed is a kind of wide adaptability, strong stress resistance, plant that biomass is high, all has growth all over the world.Except containing except necessary various high nutrient amino acids, crude protein and carbohydrate in reed, content of cellulose is higher, is one of suitable raw material as biological substance adsorbent.Cellulose and many polymer substances have good affinity, thus certain absorption property is shown, the lignin contained in its structure, cellulose and hemicellulose itself can be applied to wastewater treatment as active group, but it is limited to make it apply because its absorption property is lower.At present, apply succinic anhydride to modify wild reed straw and have not been reported for the treatment of waste water as adsorbent.
Summary of the invention
The object of this invention is to provide a kind of operating procedure wild reed straw new adsorbent with succinic anhydride modification simple, with low cost and its preparation method and application, improve the absorption property of wild reed straw, strengthen its utilization ratio.
The present invention solves the problems of the technologies described above adopted technical scheme: succinic anhydride modifies wild reed rod adsorbent, and it is following preparation method's products therefrom, includes following steps:
1) getting 2.0g reed straw powder joins in round-bottomed flask, add the 3.0g succinic anhydride of accurate weighing again, using 40mL pyridine as solvent, with air set pipe condensing reflux 5h under the constant temperature oil bath condition of 120 DEG C, uses Buchner funnel suction filtration after cooling, then be that 95% ethanol is alternately rinsed well by distilled water and volume fraction respectively, put in air dry oven, at 60 DEG C, dry 24h, is placed in drier for subsequent use;
2) step 1) gained reed straw is stirred 0.5h in saturated sodium bicarbonate solution, then use Buchner funnel suction filtration, alternately rinse well with distilled water and volume fraction 95% ethanol respectively, continue dry 24h at 60 DEG C of temperature, load in bag, be placed in drier and store.
Described succinic anhydride modifies the preparation method of wild reed rod adsorbent, includes following steps:
1) getting 2.0g reed straw powder joins in round-bottomed flask, add the 3.0g succinic anhydride of accurate weighing again, using 40mL pyridine as solvent, with air set pipe condensing reflux 5h under the constant temperature oil bath condition of 120 DEG C, uses Buchner funnel suction filtration after cooling, then be that 95% ethanol is alternately rinsed well by distilled water and volume fraction respectively, put in air dry oven, at 60 DEG C, dry 24h, is placed in drier for subsequent use;
2) step 1) gained reed straw is stirred 0.5h in saturated sodium bicarbonate solution, then use Buchner funnel suction filtration, alternately rinse well with distilled water and volume fraction 95% ethanol respectively, continue dry 24h at 60 DEG C of temperature, load in bag, be placed in drier and store.
Succinic anhydride modify wild reed rod adsorbent industrial dye waste water or containing metal ion cadmium waste water or containing the plumbous waste water of metal ion in as the application of adsorbent.
By such scheme, described industrial dye waste water is Crystal Violet Dye waste water or methylene blue dye wastewater.
By such scheme, application process is: take 0.01-0.10g succinic anhydride and modify wild reed rod adsorbent, and joining concentration is 100-1000mg L
-1crystal violet or methylene blue dye wastewater in, with acid or alkali adjust ph for after 2-10.00, the water bath chader being placed in 15-70 DEG C shakes 1-24 hour, centrifugation measures the concentration of crystal violet in supernatant, according to the concentration difference of crystal violet or methylene blue in water before and after absorption, determine its adsorption effect to crystal violet in water or methylene blue.
By such scheme, the alkali of adjust ph is NaOH, and acid is hydrochloric acid.
By such scheme, the concussion speed of water-bath constant temperature oscillator is 50-300rpm.
Wild reed planting of the present invention is widely distributed, strong adaptability, material is easy to get and cheap, containing the composition such as a large amount of celluloses and hemicellulose in its stalk institutional framework, finishing can be carried out with polyfunctional group Small molecular succinic anhydride to its surface, increase stalk to the absorption property of the pollutant such as the dye of positive ion, metal ion.The chemical modification method of this invention is simple, and reaction unit is easy to get, and method of operating is easy, and the novel absorption material obtained has good absorption property to the dye of positive ion, metal ion etc.The comprehensive utilization that the present invention is reed straw provides good method, has certain application prospect.
Accompanying drawing explanation
Fig. 1 is the scanning electron microscope diagram (× 4000) of wild reed straw.
Detailed description of the invention
Further illustrate the present invention below by specific embodiment, instead of limit the scope of the invention.
Embodiment 1
Succinic anhydride modifies the preparation method of wild reed rod adsorbent, includes following steps:
1) physical treatment of material:
It is about 1cm segment that wild reed stalk is cut into length, washes away dust, dries 24h, then clayed into power with mixer under the condition of 55 DEG C, and cross 80 mesh sieves with running water after soaking, and leaves and takes the lower reed straw powder of sieve, is placed in drier for subsequent use.
2) getting 2.0g reed straw powder joins in round-bottomed flask, add the 3.0g succinic anhydride of accurate weighing again, using 40mL pyridine as solvent, with air set pipe condensing reflux 5h under the constant temperature oil bath condition of 120 DEG C, uses Buchner funnel suction filtration after cooling, then be that 95% ethanol is alternately rinsed well by distilled water and volume fraction respectively, put in air dry oven, at 60 DEG C, dry 24h, is placed in drier for subsequent use;
3) step 1) gained reed straw is stirred 0.5h in saturated sodium bicarbonate solution, then use Buchner funnel suction filtration, alternately rinse well with distilled water and volume fraction 95% ethanol respectively, continue dry 24h at 60 DEG C of temperature, load in bag, be placed in drier and store.
Embodiment 2
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 100mg L
-1the Crystal Violet Dye aqueous solution, the pH value of dye solution is 6.1, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (588nm) of crystal violet, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining Crystal Violet is 99.26%.
Embodiment 3
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 200mg L
-1the Crystal Violet Dye aqueous solution, the pH value of dye solution is 6.1, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (588nm) of crystal violet, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining Crystal Violet is 99.83%.
Embodiment 4
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 300mg L
-1the Crystal Violet Dye aqueous solution, the pH value of dye solution is 6.1, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (588nm) of crystal violet, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining Crystal Violet is 99.87%.
Embodiment 5
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the Crystal Violet Dye aqueous solution, the pH value of dye solution is 6.1, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (588nm) of crystal violet, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining Crystal Violet is 99.51%.
Embodiment 6
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 500mg L
-1the Crystal Violet Dye aqueous solution, the pH value of dye solution is 6.1, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (588nm) of crystal violet, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining Crystal Violet is 96.59%.
Embodiment 7
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the Crystal Violet Dye aqueous solution, the pH value regulating dye solution with hydrochloric acid is 4.0, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (588nm) of crystal violet, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining Crystal Violet is 99.16%.
Embodiment 8
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the Crystal Violet Dye aqueous solution, the pH value regulating dye solution with hydrochloric acid is 5.0, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (588nm) of crystal violet, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining Crystal Violet is 98.17%.
Embodiment 9
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the Crystal Violet Dye aqueous solution, the pH value regulating dye solution is 7, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (588nm) of crystal violet, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining Crystal Violet is 97.35%.
Embodiment 10
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the Crystal Violet Dye aqueous solution, the pH value regulating dye solution with NaOH is 8, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (588nm) of crystal violet, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining Crystal Violet is 99.16%.
Embodiment 11
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the Crystal Violet Dye aqueous solution, the pH value regulating dye solution with NaOH is 9, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (588nm) of crystal violet, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining Crystal Violet is 98.27%.
Embodiment 12
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the Crystal Violet Dye aqueous solution, the pH value regulating dye solution with NaOH is 10, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (588nm) of crystal violet, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining Crystal Violet is 9.32%.
Embodiment 13
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the Crystal Violet Dye aqueous solution, the pH value of dye solution is 6.1, at 20 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (588nm) of crystal violet, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining Crystal Violet is 99.38%.
Embodiment 14
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the Crystal Violet Dye aqueous solution, the pH value of dye solution is 6.1, at 30 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (588nm) of crystal violet, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining Crystal Violet is 99.77%.
Embodiment 15
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the Crystal Violet Dye aqueous solution, the pH value of dye solution is 6.1, at 40 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (588nm) of crystal violet, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining Crystal Violet is 99.75%.
Embodiment 16
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the Crystal Violet Dye aqueous solution, the pH value of dye solution is 6.1, at 50 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (588nm) of crystal violet, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining Crystal Violet is 99.68%.
Embodiment 17
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the Crystal Violet Dye aqueous solution, the pH value of dye solution is 6.1, at 60 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (588nm) of crystal violet, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining Crystal Violet is 99.44%.
Adsorbent prepared by embodiment 1 is applied to the absorption of other common dyes and heavy metal ion:
Embodiment 18
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 100mg L
-1the methylene blue dye aqueous solution, the pH value of dye solution is 6.5, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (670nm) of methylene blue, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining dyestuff methylene blue is 99.85%.
Embodiment 19
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 200mg L
-1the methylene blue dye aqueous solution, the pH value of dye solution is 6.5, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (670nm) of methylene blue, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining dyestuff methylene blue is 99.82%.
Embodiment 20
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 300mg L
-1the methylene blue dye aqueous solution, the pH value of dye solution is 6.5, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (670nm) of methylene blue, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining dyestuff methylene blue is 99.84%.
Embodiment 21
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the methylene blue dye aqueous solution, the pH value of dye solution is 6.5, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (670nm) of methylene blue, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining dyestuff methylene blue is 99.81%.
Embodiment 22
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 500mg L
-1the methylene blue dye aqueous solution, the pH value of dye solution is 6.5, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (670nm) of methylene blue, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining dyestuff methylene blue is 99.51%.
Embodiment 23
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the methylene blue dye aqueous solution, the pH value regulating dye solution with hydrochloric acid is 4.0, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (670nm) of methylene blue, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining dyestuff methylene blue is 99.80%.
Embodiment 24
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the methylene blue dye aqueous solution, the pH value regulating dye solution with hydrochloric acid is 5.0, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (670nm) of methylene blue, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining dyestuff methylene blue is 99.89%.
Embodiment 25
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the methylene blue dye aqueous solution, the pH value regulating dye solution is 6.0, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (670nm) of methylene blue, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining dyestuff methylene blue is 99.89%.
Embodiment 26
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the methylene blue dye aqueous solution, the pH value regulating dye solution with NaOH is 7.0, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (670nm) of methylene blue, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining dyestuff methylene blue is 99.92%.
Embodiment 27
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the methylene blue dye aqueous solution, the pH value regulating dye solution with NaOH is 8.0, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (670nm) of methylene blue, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining dyestuff methylene blue is 99.92%.
Embodiment 28
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the methylene blue dye aqueous solution, the pH value regulating dye solution with NaOH is 9.0, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (670nm) of methylene blue, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining dyestuff methylene blue is 99.88%.
Embodiment 29
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 400mg L
-1the methylene blue dye aqueous solution, the pH value regulating dye solution with NaOH is 10.0, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 24h.After absorption reaches balance, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant spectrophotometer obtained is surveyed its absorbance under the maximum absorption wavelength (670nm) of methylene blue, detect the concentration of wherein excess dye, thus draw the amount of adsorbing on the sorbent, calculate the adsorption capacity of this new adsorbent.The clearance obtaining dyestuff methylene blue is 99.83%.
Embodiment 30
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 25mg L
-1metal ion cadmium (Cd
+ 2) the aqueous solution, the pH value of metal ion solution is 5.0, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 1h, then, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant atomic absorption spectrophotometer obtained is detected the concentration of wherein residual metallic ion, thus the clearance obtaining metal ion cadmium is 97.70%.
Embodiment 31
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 50mg L
-1metal ion cadmium (Cd
+ 2) the aqueous solution, the pH value of metal ion solution is 5.0, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 1h, then, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant atomic absorption spectrophotometer obtained is detected the concentration of wherein residual metallic ion, thus the clearance obtaining metal ion cadmium is 98.79%.
Embodiment 32
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 100mg L
-1metal ion cadmium (Cd
+ 2) the aqueous solution, the pH value of metal ion solution is 5.0, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 1h, then, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant atomic absorption spectrophotometer obtained is detected the concentration of wherein residual metallic ion, thus the clearance obtaining metal ion cadmium is 94.98%.
Embodiment 33
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 50mg L
-1metal ion lead (Pb
+ 2) the aqueous solution, the pH value of metal ion solution is 6.2, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 1h, then, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant atomic absorption spectrophotometer obtained is detected the concentration of wherein residual metallic ion, thus the clearance obtaining metal ion cadmium is 99.21%.
Embodiment 34
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 100mg L
-1metal ion lead (Pb
+ 2) the aqueous solution, the pH value of metal ion solution is 6.2, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 1h, then, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant atomic absorption spectrophotometer obtained is detected the concentration of wherein residual metallic ion, thus the clearance obtaining metal ion cadmium is 99.61%.
Embodiment 35
50mg embodiment 1 gained succinic anhydride is modified wild reed straw insert in 250mL tool plug conical flask, adding 50mL concentration is 200mg L
-1metal ion lead (Pb
+ 2) the aqueous solution, the pH value of metal ion solution is 6.2, at 25 DEG C of water bath chaders with the speed of 150rpm concussion 1h, then, take out conical flask, incline and the rotating speed of solution with 10000rpm on centrifuge solution is separated with solid, the supernatant atomic absorption spectrophotometer obtained is detected the concentration of wherein residual metallic ion, thus the clearance obtaining metal ion cadmium is 99.77%.
Claims (7)
1. succinic anhydride modifies wild reed rod adsorbent, and it is following preparation method's products therefrom, includes following steps:
1) getting 2.0g reed straw powder joins in round-bottomed flask, add the 3.0g succinic anhydride of accurate weighing again, using 40mL pyridine as solvent, with air set pipe condensing reflux 5h under the constant temperature oil bath condition of 120 DEG C, uses Buchner funnel suction filtration after cooling, then be that 95% ethanol is alternately rinsed well by distilled water and volume fraction respectively, put in air dry oven, at 60 DEG C, dry 24h, is placed in drier for subsequent use;
2) by step 1) gained reed straw stirs 0.5h in saturated sodium bicarbonate solution, then use Buchner funnel suction filtration, alternately rinse well with distilled water and volume fraction 95% ethanol respectively, continue dry 24h at 60 DEG C of temperature, load in bag, be placed in drier and store.
2. succinic anhydride according to claim 1 modifies the preparation method of wild reed rod adsorbent, includes following steps:
1) getting 2.0g reed straw powder joins in round-bottomed flask, add the 3.0g succinic anhydride of accurate weighing again, using 40mL pyridine as solvent, with air set pipe condensing reflux 5h under the constant temperature oil bath condition of 120 DEG C, uses Buchner funnel suction filtration after cooling, then be that 95% ethanol is alternately rinsed well by distilled water and volume fraction respectively, put in air dry oven, at 60 DEG C, dry 24h, is placed in drier for subsequent use;
2) by step 1) gained reed straw stirs 0.5h in saturated sodium bicarbonate solution, then use Buchner funnel suction filtration, alternately rinse well with distilled water and volume fraction 95% ethanol respectively, continue dry 24h at 60 DEG C of temperature, load in bag, be placed in drier and store.
3. succinic anhydride according to claim 1 modify wild reed rod adsorbent industrial dye waste water or containing metal ion cadmium waste water or containing the plumbous waste water of metal ion in as the application of adsorbent.
4. application according to claim 3, is characterized in that described industrial dye waste water is Crystal Violet Dye waste water or methylene blue dye wastewater.
5. application according to claim 4, is characterized in that application process is: take 0.01-0.10g succinic anhydride and modify wild reed rod adsorbent, and joining concentration is 100-1000mg L
-1crystal violet or methylene blue dye wastewater in, with acid or alkali adjust ph for after 2-10.00, the water bath chader being placed in 15-70 DEG C shakes 1-24 hour, centrifugation measures the concentration of crystal violet or methylene blue in supernatant, according to the concentration difference of crystal violet or methylene blue in water before and after absorption, determine its adsorption effect to crystal violet in water or methylene blue.
6. application according to claim 5, is characterized in that the alkali of adjust ph is NaOH, and acid is hydrochloric acid.
7. application according to claim 5, is characterized in that the concussion speed of water-bath constant temperature oscillator is 50-300rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310737816.8A CN103691408B (en) | 2013-12-27 | 2013-12-27 | Succinic anhydride modified wild reed stem adsorbent as well as preparation and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310737816.8A CN103691408B (en) | 2013-12-27 | 2013-12-27 | Succinic anhydride modified wild reed stem adsorbent as well as preparation and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103691408A CN103691408A (en) | 2014-04-02 |
| CN103691408B true CN103691408B (en) | 2015-06-24 |
Family
ID=50353167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310737816.8A Expired - Fee Related CN103691408B (en) | 2013-12-27 | 2013-12-27 | Succinic anhydride modified wild reed stem adsorbent as well as preparation and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103691408B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103877947B (en) * | 2014-04-16 | 2016-06-08 | 湖南大学 | The preparation method of a kind of high efficiency corn straw adsorbent and application thereof |
| CN109081341A (en) * | 2018-09-30 | 2018-12-25 | 江苏斯沃得环保科技有限公司 | A kind of preparation method of mesoporous activated carbon |
| CN110560009B (en) * | 2019-09-18 | 2022-03-15 | 武汉工程大学 | Preparation method and application of pea shell-based biosorbent modified by maleic anhydride |
| CN115739035A (en) * | 2022-12-05 | 2023-03-07 | 南京信息工程大学 | Method for modifying kenaf straws by succinic anhydride |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB512323A (en) * | 1937-04-20 | 1939-09-01 | Permutit Co Ltd | Improvements in or relating to the treatment of water |
| CN1375347A (en) * | 2002-01-09 | 2002-10-23 | 华南理工大学 | Prepn. of oil absorbent |
| CN102266756A (en) * | 2011-07-25 | 2011-12-07 | 武汉工程大学 | Preparation method of citric acid modified rape straw adsorbent and application thereof |
| CN103447011A (en) * | 2013-07-05 | 2013-12-18 | 浙江海洋学院 | Straw oil absorbent |
-
2013
- 2013-12-27 CN CN201310737816.8A patent/CN103691408B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB512323A (en) * | 1937-04-20 | 1939-09-01 | Permutit Co Ltd | Improvements in or relating to the treatment of water |
| CN1375347A (en) * | 2002-01-09 | 2002-10-23 | 华南理工大学 | Prepn. of oil absorbent |
| CN102266756A (en) * | 2011-07-25 | 2011-12-07 | 武汉工程大学 | Preparation method of citric acid modified rape straw adsorbent and application thereof |
| CN103447011A (en) * | 2013-07-05 | 2013-12-18 | 浙江海洋学院 | Straw oil absorbent |
Non-Patent Citations (1)
| Title |
|---|
| 均苯四甲酸酐修饰高粱秸秆吸附溶液中结晶紫的研究;李逢雨等;《硅谷》;20101231(第24期);61-62 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103691408A (en) | 2014-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102266756B (en) | Preparation method of citric acid modified rape straw adsorbent and application thereof | |
| CN103865552B (en) | A kind of method and charcoal preparing charcoal based on agriculture and forestry organic waste material | |
| Waghmare et al. | Enzymatic hydrolysis and characterization of waste lignocellulosic biomass produced after dye bioremediation under solid state fermentation | |
| CN103691408B (en) | Succinic anhydride modified wild reed stem adsorbent as well as preparation and application thereof | |
| Wang et al. | Rice straw pretreatment with KOH/urea for enhancing sugar yield and ethanol production at low temperature | |
| CN102101915B (en) | Separation method for agriculture and forestry biomass components | |
| CN107115843A (en) | A kind of preparation method and applications for coming from peanut shell modified activated carbon | |
| CN105753608A (en) | Preparation method and application of novel iron-based biochar | |
| CN103100376B (en) | Fiber natural polymeric adsorbent and application thereof | |
| Wunna et al. | Effect of alkali pretreatment on removal of lignin from sugarcane bagasse | |
| CN105177083A (en) | Method for improving enzymolysis efficiency of lignocellulose biomass | |
| CN104289188A (en) | Preparation of pyromellitic dianhydride modified banana peel adsorbent | |
| CN106744789A (en) | A kind of utilization lignin prepares porous charcoal and the application in ultracapacitor | |
| CN105056949A (en) | Plant hollow fiber loaded Fenton-like catalyst, preparation method therefor and application thereof | |
| CN104164801A (en) | Method for separating and recycling cellulose, semicellulose and lignin in lignocellulosic biomass at one time | |
| CN105728050A (en) | Lignocellulose/silver halide composite material with photocatalytic activity and preparation method thereof | |
| CN104387533A (en) | Super absorbent resin and preparation method thereof | |
| CN105906741A (en) | Method for extracting pectin from waste sisal residues | |
| Huang et al. | Solvothermal production of tea residue derived carbon dots by the pretreatment of choline chloride/urea and its application for cadmium detection | |
| Kayiwa et al. | Characterization and pre-leaching effect on the peels of predominant cassava varieties in Uganda for production of activated carbon | |
| CN102718982A (en) | Method for preparing straw cellulose membrane by using wheat straw as raw materials | |
| CN103196777A (en) | Method of detecting contents of cellulose, hemicellulose and lignin of corn stovers | |
| CN104289198B (en) | A kind of composite and preparation method thereof | |
| CN104289197B (en) | A kind of amination strengthens modified straw based composites and preparation method thereof | |
| CN104689795A (en) | Adsorbing material using soybean protein to load konjac glucomannan and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20161227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |