CN106944009A - A kind of high-efficiency adsorbent and its application in heavy metal wastewater thereby - Google Patents
A kind of high-efficiency adsorbent and its application in heavy metal wastewater thereby Download PDFInfo
- Publication number
- CN106944009A CN106944009A CN201710242404.5A CN201710242404A CN106944009A CN 106944009 A CN106944009 A CN 106944009A CN 201710242404 A CN201710242404 A CN 201710242404A CN 106944009 A CN106944009 A CN 106944009A
- Authority
- CN
- China
- Prior art keywords
- parts
- adsorbent
- efficiency adsorbent
- efficiency
- heavy metal
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
A kind of application the invention discloses high-efficiency adsorbent and its in heavy metal wastewater thereby, the high-efficiency adsorbent is made up of following weight ratio ingredient：60~90 parts of the modified activated carbon synthetic of recyclable recycling, modified abandoned 9~18 parts of crops adsorbent.The high-efficiency adsorbent of the present invention is higher to the clearance of the lead in waste liquid, zinc, manganese, and clearance is up to 87.7%, 95.9% and 78.4% respectively；It follows that the high-efficiency adsorbent heavy metal waste water that the present invention is provided has preferable treatment effect.
Description
Technical field
The present invention relates to applied to the adsorbent in heavy metal wastewater thereby, more particularly to a kind of high-efficiency adsorbent and its in a huge sum of money
Belong to the application in waste water.
Background technology
Sources of heavy metal in water environment is very wide, such as metallurgical waste water, pharmacy waste water, chemical industry waste water, electronics production
Product rubbish etc..In recent years, many rivers are polluted by heavy metal.The pollution of heavy metal is different from other kinds of pollution, from
Body can not be decomposed or be degraded to innocuous substance, it may occur that the change and phase transfer of form, after the biological uptake in environment
It is enriched with step by step by biological chain, eventually enters into the food chain superlative degree-mankind.Mercury, cadmium, chromium, lead, arsenic, manganese etc. these with much money
With the protein and enzyme classes in human body violent chemical reaction can occur for category, cause protein and enzyme to inactivate；Or in human body
Enrichment is got up in some organ, is caused various types of poisoning symptoms (such as acute, subacute, chronic), is given human body health care belt
Carry out great threat.
For heavy metal pollution, the multiple water treatment method that people have developed, such as chemical precipitation method, ferrite process, absorption
Method, ion-exchange, electrolysis, counter-infiltration, electroosmose process, enhancing ultrafiltration method, bioanalysis etc., all in the presence of some shortcomings and not
Foot：
(1) some processing costs are high, chelate precipitation, ion in such as enhancing ultrafiltration method, electroosmose process, chemical precipitation method
Exchange process etc.；
(2) some complex process, cumbersome, such as ferrite process, enhancing ultrafiltration method；
(3) some treatment effects do not reach requirement, such as the traditional chemical precipitation method；
(4) some bad adaptabilities, such as bioanalysis, electrolysis, ferrite process；
(5) some equipment investments are big, such as counter-infiltration, electroosmose process.
Compared with above-mentioned processing method, absorption method is by the big porous material of specific surface area, such as activated carbon, fine coal
Ash, activated sludge ash, zeolite, biomaterial, manganese oxide, peanut shell and kaolin etc., make heavy metal ion in the surface of solids not
It is enriched with and separates in the presence of the molecular attraction or chemical bond force of balance.Due to these adsorbent wide material sources and inexpensive, cause
The extensive attention of field of water treatment, as a kind of very promising process for treating heavy-metal waste water.But these adsorbents are universal
There is adsorption capacity relatively low, consumption is big, the removal efficiency of heavy metal is not high enough, recycle low problem.
The content of the invention
It is an object of the invention to provide a kind of high-efficiency adsorbent, can conveniently adsorb lead in waste water, zinc,
Manganese, clearance is high, and can recycle adsorbent.
To achieve the above object, the invention provides a kind of high-efficiency adsorbent, the high-efficiency adsorbent compares group by following weight
Divide and be made：60~90 parts of the modified activated carbon of recyclable recycling, modified abandoned 9~18 parts of crops adsorbent.
Preferably, in above-mentioned technical proposal, the modified activated carbon synthetic is by 10.0g is passed through into deionized water
It is molten that the wood activated charcoal powder of purification is put into the neopelex SDBS that concentration is 0.1147mol/L and solution volume is 1L
In liquid, 5~6min of ultrasound after 130rpm~150rpm concussions at room temperature water-bath 40 hours, adds 1L comparable sodium
Neopelex SDBS solution and 1L concentration be 0.2mol/L hydrochloric acid solution, 20~30s of ultrasound, while stirring add
It is 4.6g phthalic anhydrides to enter to be put into 5g cassava fibers powder and concentration, in 60~85 DEG C of sonication times 30min of temperature, then
After 130rpm~150rpm concussions at room temperature water-bath 5~8 hours, course of reaction keeps uniform stirring, when reaching reaction
Between after, product is cooled to room temperature, filters and washs, in 50~70 DEG C of baking ovens dry 20~30h be made.
Preferably, in above-mentioned technical proposal, described modified abandoned crops adsorbent for bagasse cellulose adsorbent or
Modified maize straw adsorbent.
Preferably, in above-mentioned technical proposal, the bagasse cellulose adsorbent is made up of following weight ratio ingredient：Carboxylated
80~90 parts of bagasse hemicellulose, 10~20 parts of cellulose phosphate rice straw powder, 5~10 parts of starch.
Preferably, in above-mentioned technical proposal, modified maize straw adsorbent is made up of following weight ratio ingredient：Etherificate changes
80~90 parts of corn stalk powder of property, 5~8 parts of starch, 5-10 parts of pulverized limestone.
Preferably, in above-mentioned technical proposal, the high-efficiency adsorbent also include 10~15 parts of flocculant, the flocculant by
Following weight ratio ingredient is made：40~50 parts of carbonate hydroxyapatite, 10~20 parts of aluminium polychloride, polymer phosphate iron 10~20
5~10 parts of part, polymer phosphate ferro-aluminum 10~20 and starch.
It is a further object of the invention that application of the adsorbent of the present invention in heavy metal wastewater thereby.
Preferably, in above-mentioned technical proposal, high-efficiency adsorbent described in 1.0g is weighed, is adsorbed under the conditions of PH is 1.0~7.0
Zinc, manganese or lead in heavy metal wastewater thereby.
Preferably, in above-mentioned technical proposal, the 0.1g~3.0g high-efficiency adsorbent is weighed, weight described in 1.0L is added to
In metallic wastewater, 4~6min of ultrasound is shaken, at room temperature water-bath 1.0~2.0 hours with 120~150rpm speed, absorption
Lead, zinc or manganese in heavy metal wastewater thereby.
Preferably, in above-mentioned technical proposal, zinc concentration is 1.756mg/L~1.848mg/L, manganese in the heavy metal wastewater thereby
Concentration 1.854mg/L~0.1976mg/L, lead concentration is 0.2021mg/L~0.2232mg/L.
Compared with prior art, the present invention has the advantages that：
1. the high-efficiency adsorbent of the present invention can adsorb lead in lead-zinc smelting efflux wastewater, zinc, manganese simultaneously, convenient and swift.
2. being drawn in the high-efficiency adsorbent using the present invention in experimental studies results, high-efficiency adsorbent of the invention is to useless
The adsorption effect of lead, zinc, manganese in liquid preferably, is especially up to 95.9% to the clearance of zinc.
3. adsorption rate can acutely be reduced and can not used quickly after existing many modified activated carbon recyclings, the present invention
In high-efficiency adsorbent in modified activated carbon then reusable more than 20 times, it is economic and environment-friendly.
Brief description of the drawings
Fig. 1 is clearance graphs of a relation of the different pH to Pb In Exhausted Water of high-efficiency adsorbent of the present invention；
Fig. 2 is clearance graphs of a relation of the different pH to zinc in waste water of high-efficiency adsorbent of the present invention；
Fig. 3 is clearance graphs of a relation of the different pH to Manganese in Waste Water of high-efficiency adsorbent of the present invention；
Fig. 4 is clearance graph of a relation of the different quantity of sorbent to Pb In Exhausted Water of high-efficiency adsorbent of the present invention；
Fig. 5 is clearance graph of a relation of the different quantity of sorbent to zinc in waste water of high-efficiency adsorbent of the present invention；
Fig. 6 is clearance graph of a relation of the different quantity of sorbent to Manganese in Waste Water of high-efficiency adsorbent of the present invention.
Embodiment
The embodiment to the present invention is described in detail below, it is to be understood that protection scope of the present invention is not
Limited by embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members
Part or other parts.
The high-efficiency adsorbent of the present invention is made up of following weight ratio ingredient：The modified activated carbon synthetic of recyclable recycling
60~90 parts, modified abandoned 9~18 parts of crops adsorbent, wherein,
It is prepared by the modified activated carbon synthetic of recyclable recycling：10.0g is passed through into the wooden of deionized water purification
Activated carbon powder is put into the neopelex SDBS solution that concentration is 0.1147mol/L and solution volume is 1L, ultrasound 5
~6min, after 130rpm~150rpm concussions at room temperature water-bath 40 hours, adds the dodecyl of 1L comparable sodium
Benzene sulfonic acid sodium salt SDBS solution and the hydrochloric acid solution that 1L concentration is 0.2mol/L, 20~30s of ultrasound are added be put into 5g wood while stirring
Potato fiber powder and concentration are 4.6g phthalic anhydrides, in 60~85 DEG C of (preferably 75 DEG C) sonication times 30min of temperature, then
After 130rpm~150rpm concussions at room temperature water-bath 5~8 hours (preferably 6 hours), course of reaction keeps uniform stirring,
Reach after the reaction time, product is cooled to room temperature, filter and wash, dry 20 in 50~70 DEG C of (preferably 60 DEG C) baking ovens~
30h (preferably 25 hours), obtains modified activated carbon synthetic.
In the process, supersonic frequency and power selection 40kHz, 300W or 50kHz, 250W；
Cassava fiber powder preparation process used is：The pretreatment of 5g manioc wastes (is dried 75 DEG C, 10h pulverizes and sieves 50
Mesh), add 50mL distilled water and boil 3min so that starch is fully gelatinized in manioc waste, then by 10 times of material quality, add
Certain density alpha-amylase, under 60 DEG C and certain power ultrasonic, digests certain time, the enzyme that goes out (100 DEG C, 5min), from
The heart (4000r/min, 10min), abandoning supernatant adds certain density sodium hydroxide solution (solid-liquid ratio 1:10g/mL), in
Alkaline hydrolysis certain time under conditions of 70 DEG C, washing, filtering, dry (65 DEG C, 8h) obtain manioc waste fiber powder after crushing.
The present invention carried out structurally-modified, obtained charcoal-SDBS using neopelex to activated carbon before this, and it changes
Property activated carbon structure performance (surface area, pore volume etc.) improved more before modified, during activated carbon modified add wood
Potato fiber powder and phthalic anhydride, using neopelex as emulsifying agent, cassava fiber powder and phthalic anhydride hair
Charcoal-SDBS extexines are coated on again after raw carboxylated, finally obtain modified activated carbon synthetic.
The modified activated carbon synthetic outer layer that the present invention is modified to be obtained is carboxylated manioc waste fiber, its rough surface and is had
Many small ducts, internal layer is predominantly charcoal-SDBS, and the structure of charcoal-SDBS activated carbons is porous network formula, and its porous structure is such as
Thousands of artificial nest gather it is crosslinked together, it is stacked in layer stackup, and surface area pore size uniformly with outer layer
The small duct partial intersection superposition of carboxylated cassava fiber, is communicated, in addition in its internal structure, SDBS molecules preferentially take activity
Site, wraps up internal voids structure, and porosity is between 25nm~30nm, this level of hole be beneficial to Adsorption of Lead, zinc,
The metal ions such as manganese, also effectively prevent because physical absorption is trapped in pore entrance, cause the hair for the problem of adsorption effect declines
It is raw, and physical absorption space is improved, improve adsorption rate.
Embodiment 1
It is prepared by high-efficiency adsorbent：Modified activated carbon synthetic：Modified abandoned crops adsorbent：The weight of flocculant compares 60
~70 parts：10~15 parts：10~15 parts of configurations, preferably 70：15：15, and modified abandoned crops adsorbent preferably modified jade
Rice stalk adsorbent.
When the present embodiment prepares high-efficiency adsorbent, the corn that 0.7g modified activated carbons synthetic, 0.15g are modified is weighed respectively
Stalk adsorbent and flocculant 0.07g, three are well mixed, and high-efficiency adsorbent is made.In the present embodiment, it is more preferable play originally
The invention effect of embodiment, when preparing the high-efficiency adsorbent of the present embodiment, after three is well mixed, mixture compacted is made
Spherical or round pie, then its outer surface is uniformly coated on 0.08g flocculant, so that in the efficient suction using the present embodiment
At attached dose, after spherical or round pie adsorbent is put into metallic wastewater, under the concussion of ultrasonic machine, the flocculation in outer surface
Agent is first diffused into metallic wastewater solution, larger impurity and particulate matter in adsorbing metal waste water, is conducive to having clarified metal and is given up
The aqueous solution, at the same avoid due to impurity wrap modified activated carbon synthetic, modification maize straw adsorbent and flocculant
Mixture and reduce to adsorption of metal ions rate.
In the present embodiment, the etherification modified corn stalk powder of the maize straw adsorbent of modification used preferably by weight
80~90 parts, the 5-10 parts of configurations of 5~8 parts of starch and pulverized limestone form, preferably etherification modified 85 parts of corn stalk powder, 5 parts of starch,
10 parts of pulverized limestone part.
And flocculant used preferably by weight by 40~50 parts of carbonate hydroxyapatite, 10~20 parts of aluminium polychloride,
10~20 parts of polymer phosphate iron, 5~10 parts of components of polymer phosphate ferro-aluminum 10~20 and starch are made, preferably carbonate hydroxyapatite
10 parts of 45 parts, 15 parts of aluminium polychloride, 15 parts of polymer phosphate iron, polymer phosphate ferro-aluminum 15 and starch.
Development test to adsorption capacity of the adsorbent in the case of waste water different PH：
1. high-efficiency adsorbent 10g is prepared by preparation method of high-efficiency adsorbent in the present embodiment；
2. collection containing Xin Li Nong Du≤1.848mg/L, Meng Li Nong Du≤0.1976mg/L or lead Nong Du≤
6 parts of 0.2232mg/L industrial wastewater, the outer draining of every part of 1L, wherein waste water solution preferred acquisition Lead-zinc Smelting Enterprises, claims simultaneously
Take 6 parts of high-efficiency adsorbent, every part of 1.0g；
3. 1.0 are tuned into by their pH value respectively using hydrochloric acid or NaOH to 6 parts of industrial wastewaters of collection, 2.0,
3.0th, 4.0,5.0 and 5.8；
4. weigh out 6 parts of high-efficiency adsorbents are added separately in the industrial wastewater of different PH, ultrasound 5~
6min, is shaken, water-bath 1.0h, is filtered to reaction solution with 0.45 μm of miillpore filter, obtained at room temperature with 130rpm speed
To filtrate；It is regular from solution bottom toward the slow lifting in solution top during ultrasonic vibration, to cause solution in ultrasonic vibration
The adsorption-like of falling turbulence pump is formed under situation, so as to form flow-disturbing, is conducive to high-efficiency adsorbent fully to spread uniformly and solution
Middle metal ion contact；
5. the lead in filtrate, zinc, manganese ion concentration are determined respectively under normal temperature, obtains the data of table 1, table 2 and table 3：
Adsorption capacity of the equivalent quantity of sorbent of table 1 in different PH waste water solution to lead
Adsorption capacity of the equivalent quantity of sorbent of table 2 in different PH waste water solution to zinc
Adsorption capacity of the equivalent quantity of sorbent of table 3 in different PH waste water solution to manganese
Clearance graphs of a relation of the different pH shown in Fig. 1 to Pb In Exhausted Water is made according to the data of table 1；
Clearance graphs of a relation of the different pH shown in Fig. 2 to zinc in waste water is made according to the data of table 2；
Clearance graphs of a relation of the different pH shown in Fig. 3 to Manganese in Waste Water is made according to the data of table 3.
From table 1, table 2 and table 3, viewed in Fig. 1, Fig. 2 and Fig. 3, under conditions of different PH, do not change adsorbent
During consumption, solution ph be 5.8 when, it is higher to the clearance of the lead in waste liquid, zinc, manganese, clearance respectively be up to 76.8%,
83.0% and 53.2%；It follows that under the conditions of pH value of solution is 5.8, the high-efficiency adsorbent heavy metal that the present invention is provided is given up
Water has preferable treatment effect.
Embodiment 2
It is prepared by high-efficiency adsorbent：By modified activated carbon synthetic and modified abandoned crops adsorbent weight than 90 parts：10
Part, weigh respectively 0.09g, 0.18g, 0.45g, 0.9g, 1.8g, 2.7g charcoal-SDBS and 0.01g, 0.02,0.05g, 0.1g,
0.2g, 0.3g modified abandoned crops adsorbent, are well mixed, 0.1g, 0.2g, 0.5g, 1.0g, 2.0g and 3.0g are made
High-efficiency adsorbent.
The modified abandoned preferred bagasse cellulose adsorbent of crops adsorbent, further bagasse cellulose in the present embodiment
Adsorbent is preferably by 80~90 parts of carboxylated bagasse hemicellulose, 10~20 parts of cellulose phosphate rice straw powder and starch 5~10
Part component is prepared from, more specifically preferably by 85 parts of carboxylated bagasse hemicellulose, 10 parts of cellulose phosphate rice straw powder and
5 parts of starch is prepared from.Bagasse cellulose adsorbent is mainly inhaled by ion exchange and complexing interaction in the present embodiment
Metal ion in attached waste water, contains carboxylated bagasse hemicellulose, cellulose phosphate rice straw powder, carboxylated bagasse hemicellulose
Containing carboxyl functional group, cellulose phosphate rice straw powder contains cellulose phosphate ester, due to carboxyl functional group, cellulose phosphate ester
In the presence of causing bagasse cellulose adsorbent that there is good suction-operated to heavy metal ions in wastewater.
Development test to the adsorption capacity of different quantity of sorbent：
1. accurate weighing 0.1g, 0.2g, 0.5g, 1.0g, 2.0g and 3.0g high-efficiency adsorbents, are added separately to 1.0L waste water
In, it is 1.756mg/L~1.848mg/L that waste water, which chooses zinc concentration in the outer draining of Lead-zinc Smelting Enterprises, heavy metal in waste water waste water,
Manganese concentration 1.854mg/L~0.1976mg/L, lead concentration is 0.2021mg/L~0.2232mg/L, is that more preferable carry out is tested,
In the present embodiment in preferred waste water, zinc concentration is measured for 1.848mg/L, manganese concentration 0.1976mg/L, lead concentration is
0.2232mg/L；
2. the pH value for the waste water solution that high-efficiency adsorbent will be added using hydrochloric acid or NaOH is tuned into 5.8；
3. to the waste water solution ultrasound 5min after regulation pH value, shaken with 120rpm speed, at room temperature water-bath 1.0h,
Reaction solution is filtered with 0.45 μm of miillpore filter, filtrate is obtained；
4. the lead in filtrate, zinc, manganese ion concentration are determined respectively under normal temperature, obtains the data of table 4, table 5 and table 6：
Adsorption capacity of the different quantity of sorbent of table 4 to Pb In Exhausted Water
Adsorption capacity of the different quantity of sorbent of table 5 to zinc in solution
Adsorption capacity of the different quantity of sorbent of table 6 to manganese in solution
Clearance graph of a relation of the different quantity of sorbent shown in Fig. 4 to Pb In Exhausted Water is made according to the data of table 4；
Clearance graph of a relation of the different quantity of sorbent shown in Fig. 5 to zinc in waste water is made according to the data of table 5；
Clearance graph of a relation of the different quantity of sorbent shown in Fig. 6 to Manganese in Waste Water is made according to the data of table 6.
From table 4- tables 6, Fig. 4-Fig. 6, view, under conditions of pH value is 5.8, when consumption is 1g~2g, to useless
The adsorption effect of lead, zinc, manganese ion in liquid is preferable；And when being continuously increased the consumption of high-efficiency adsorbent, to the lead in waste liquid,
Zinc, manganese clearance it is higher, clearance respectively be up to 87.7%, 95.9% and 78.4%；It follows that the height that the present invention is provided
Effect adsorbent heavy metal waste water has preferable treatment effect.
To sum up, in embodiment 1 and embodiment 2, the processing that the filter residue drawn carries out following steps is filtered to filtrate, you can will
The high-efficiency adsorbent recycling of the present invention, specific recycling step is as follows：
1. the dilute H of 30mL 1mol/L are used2SO4After being cleaned 2 times to filter residue, rinsed 2~3 times with water；
2. with NaOH solution to being rinsed with water after filter residue clean 2 times, then wash 2~3 times, drain at room temperature；
3. the filter residue after draining is dried at 105 DEG C, you can obtain the charcoal-SDBS of regeneration recycling.
4. by step, 3. the middle obtained charcoal-SDBS that reclaims prepares efficient absorption by the method for the invention for preparing high-efficiency adsorbent
Agent, such as embodiment 1, embodiment 2.
Adsorption effect after the modified activated carbon synthetic recycling reclaimed for checking has done corresponding research experiment,
The step of experiment is：
1. high-efficiency adsorbent 1.0g is respectively prepared by the preparation method of high-efficiency adsorbent for implementing 1 and embodiment 2 respectively；
2. collection containing Xin Li Nong Du≤1.848mg/L, Meng Li Nong Du≤0.1976mg/L or lead Nong Du≤
60 parts of 0.2232mg/L industrial wastewater, every part of 1L carries out every group 30 parts of mark by E1-E30, and F1-F30；
3. with hydrochloric acid or NaOH by the pH value tone pitch 5.8 of solution, wherein waste water solution preferred acquisition lead-zinc smelting is looked forward to
Draining out of trade, will respectively to prepare high-efficiency adsorbent each by the preparation method of high-efficiency adsorbent for implementing 1 and embodiment 2 while weighing respectively
1 part, every part of 1.0g；It is respectively put into the industrial wastewater labeled as E1, F1；
Respectively to the E1 and F1 industrial wastewater ultrasound 5min after regulation pH value, shaken with 120rpm speed, room temperature
Lower water-bath 1.0h, is filtered to reaction solution with 0.45 μm of miillpore filter, obtains filtrate；
4. the lead in filtrate, zinc, manganese ion concentration are determined respectively under normal temperature；Returned after having determined by recycling step
Receive charcoal-SDBS；
5. the step of modified activated carbon synthetic being recovered in step 4 being circulated into this experiment, finishes regeneration successively respectively
Different number of times to mark E2-E30 and F2-F30 industrial wastewater filtrate in lead, zinc, manganese ion adsorb, to the lead after absorption,
Zinc, manganese ion concentration determine the data for obtaining table 7, table 8 and table 9 respectively：
The adsorption capacity of lead is analyzed when the high-efficiency adsorbent of table 7 is repeatedly utilized after reclaiming
The adsorption capacity of zinc is analyzed when the high-efficiency adsorbent of table 8 is repeatedly utilized after reclaiming
The adsorption capacity of manganese is analyzed when the high-efficiency adsorbent of table 9 is repeatedly utilized after reclaiming
Data are found out from table 7, table 8 and table 9, and as the number of times for reclaiming reuse is more, adsorbent is to industrial wastewater
In heavy metal, the especially Adsorption ability to lead, zinc, manganese ion declined, but before repeating to reclaim and using 20 times,
The eliminating rate of absorption of adsorbent is also maintained at more than 40%, still there is stronger Adsorption energy compared with the adsorbent of same type
Power, repeats recovery utilization rate high；Removal ability just drastically declines after more than 25 times, can be not repeated that recovery is used.
In addition to the proportioning of embodiment 1 and embodiment 2, the proportioning of high-efficiency adsorbent of the invention preferably can also have A1-A3
Group and B1-B3 groups are specific as follows：
(the unit of table 10：Part)
(the unit of table 11：Part)
Detect A1-A3 groups and B1-B3 groups to useless respectively using the experimental method of the heavy metal ion remaval rate of embodiment 2
Lead, zinc, the clearance of manganese ion in liquid, obtain the data of table 12；
The A1-A3 groups of table 12 and B1-B3 groups to the lead in waste liquid, zinc, manganese ion clearance
Drawn from the data in table 12 in A1-A3 and B1-B3 high-efficiency adsorbent 1 hour in industrial wastewater to lead ion
Adsorption rate it is stable 85.6%~88.6%, to the clearance of zinc ion 93.5%~96.3%, manganese ion is gone
Except rate is 76.3%~79.2%.Illustrate the present invention high-efficiency adsorbent can conveniently adsorb lead in waste water, zinc,
Manganese, clearance is high.
In embodiment 1 and embodiment 2, score ratio is configured after each component of high-efficiency adsorbent by weight, first to changing
Property activated carbon synthetic fermented, be specifically Aspergillus ficuum, aspergillus niger, saccharomycete and millet straw bacillus are pressed：1:
1:1:1 it is well mixed be put into distillation water by fermentation, ferment 2~3 days, zymotic fluid be sprayed at modified work by 2.0~2.4 ‰ consumption
Property charcoal synthetic surface, sunshade, sealing and fermenting 6~8 days is then well mixed with modified abandoned crops adsorbent, is used for again
The heavy metal in waste water is removed, the modified activated carbon synthetic fermented is conducive to industry first rich in there is substantial amounts of microorganism
Mud and impurity in waste water are flocculated, settled, it is to avoid mud or impurity block the hole of modified activated carbon synthetic to and drop
The clearance of the low poisonous metal in industrial wastewater, is conducive to further improving the high-efficiency adsorbent of the present invention to industrial wastewater
The removal effect of middle heavy metal.
In summary, high-efficiency adsorbent of the invention can adsorb lead in lead-zinc smelting efflux wastewater, zinc, manganese, side simultaneously
Just it is quick.Show that high-efficiency adsorbent of the invention is to waste liquid in experimental studies results in the high-efficiency adsorbent using the present invention
In lead, zinc, manganese adsorption effect preferably, 95.9% especially is up to the clearance of zinc.Compared with existing adsorbent, it is existing
Many modified activated carbons recycling after quickly adsorption rate can acutely reduce and can not use, the present invention in high-efficiency adsorbent
In modified activated carbon then reusable more than 20 times, it is economic and environment-friendly.
It is foregoing to the present invention specific illustrative embodiment description be in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explaining that the certain principles and its reality of the present invention should
With so that those skilled in the art can realize and using the present invention a variety of exemplaries and
A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (10)
1. a kind of high-efficiency adsorbent, it is characterised in that the high-efficiency adsorbent is made up of following weight ratio ingredient：It is recyclable to recycle
60~90 parts of modified activated carbon synthetic, modified abandoned 9~18 parts of crops adsorbent.
2. high-efficiency adsorbent according to claim 1, it is characterised in that the modified activated carbon synthetic is by inciting somebody to action
The wood activated charcoal powder that 10.0g passes through deionized water purification is put into that concentration is 0.1147mol/L and solution volume is 1L's
In neopelex SDBS solution, 5~6min of ultrasound, with 130rpm~150rpm concussions, water-bath 40 is small at room temperature
Shi Hou, the neopelex SDBS solution and 1L concentration for adding 1L comparable sodium are 0.2mol/L hydrochloric acid solution,
20~30s of ultrasound, it is 4.6g phthalic anhydrides to add be put into 5g cassava fibers powder and concentration while stirring, in temperature 60~85
DEG C sonication times 30min, then with 130rpm~150rpm concussions at room temperature water-bath 5~8 hours after, course of reaction is protected
Uniform stirring is held, is reached after the reaction time, product is cooled to room temperature, filters and washs, 20 are dried in 50~70 DEG C of baking ovens
~30h is made.
3. high-efficiency adsorbent according to claim 1, it is characterised in that described modified abandoned crops adsorbent is sugarcane
Slag cellulose adsorbent or the maize straw adsorbent of modification.
4. high-efficiency adsorbent according to claim 3, it is characterised in that the bagasse cellulose adsorbent is by following weight
It is made than component：80~90 parts of carboxylated bagasse hemicellulose, 10~20 parts of cellulose phosphate rice straw powder, 5~10 parts of starch.
5. high-efficiency adsorbent according to claim 3, it is characterised in that modified maize straw adsorbent is by following weight
It is made than component：Etherification modified 80~90 parts of corn stalk powder, 5~8 parts of starch, 5-10 parts of pulverized limestone.
6. high-efficiency adsorbent according to claim 1, it is characterised in that the high-efficiency adsorbent also include flocculant 10~
15 parts, the flocculant is made up of following weight ratio ingredient：40~50 parts of carbonate hydroxyapatite, 10~20 parts of aluminium polychloride,
5~10 parts of 10~20 parts of polymer phosphate iron, polymer phosphate ferro-aluminum 10~20 and starch.
7. high-efficiency adsorbent according to claim 1, it is characterised in that high-efficiency adsorbent answering in heavy metal wastewater thereby
With.
8. application of the high-efficiency adsorbent according to claim 7 in heavy metal wastewater thereby, it is characterised in that weigh 1.0g institutes
High-efficiency adsorbent is stated, zinc, manganese or lead in Adsorption of Heavy Metals waste water under the conditions of PH is 1.0~5.8.
9. application of the high-efficiency adsorbent according to claim 7 in heavy metal wastewater thereby, it is characterised in that weighing 0.1g~
The 3.0g high-efficiency adsorbent, is added in heavy metal wastewater thereby described in 1.0L, 4~6min of ultrasound, with 120~150rpm speed
Shake, at room temperature water-bath 1.0~2.0 hours, lead, zinc or manganese in Adsorption of Heavy Metals waste water.
10. application of the high-efficiency adsorbent according to claim 8 or claim 9 in heavy metal wastewater thereby, its feature exists
In, in the heavy metal wastewater thereby zinc concentration be 1.756mg/L~1.848mg/L, manganese concentration 1.854mg/L~0.1976mg/L,
Lead concentration is 0.2021mg/L~0.2232mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710242404.5A CN106944009B (en) | 2017-04-13 | 2017-04-13 | A kind of high-efficiency adsorbent and its application in heavy metal wastewater thereby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710242404.5A CN106944009B (en) | 2017-04-13 | 2017-04-13 | A kind of high-efficiency adsorbent and its application in heavy metal wastewater thereby |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106944009A true CN106944009A (en) | 2017-07-14 |
| CN106944009B CN106944009B (en) | 2019-10-11 |
Family
ID=59477270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710242404.5A Active CN106944009B (en) | 2017-04-13 | 2017-04-13 | A kind of high-efficiency adsorbent and its application in heavy metal wastewater thereby |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106944009B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107758821A (en) * | 2017-11-28 | 2018-03-06 | 申国庆 | A kind of coagulant for sanitary sewage disposal and preparation method thereof |
| CN107952422A (en) * | 2017-12-07 | 2018-04-24 | 中国科学院城市环境研究所 | A kind of porous heavy metal absorbent based on biomass carbon and preparation method thereof |
| CN110152626A (en) * | 2019-04-24 | 2019-08-23 | 广东环境保护工程职业学院 | Calcium oxide modified active sludge organism adsorbent and its preparation method and application |
| CN111167401A (en) * | 2020-01-17 | 2020-05-19 | 河南大学 | Preparation method of modified iron-based functional material |
| CN113004903A (en) * | 2021-03-15 | 2021-06-22 | 湖南华田盛德生物科技有限公司 | Organic fertilizer for repairing heavy metal contaminated soil and preparation method thereof |
| CN113087289A (en) * | 2021-03-25 | 2021-07-09 | 珠海市建滔环保技术研发有限公司 | Treatment method of circuit board development wastewater |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1553827A (en) * | 2001-09-10 | 2004-12-08 | 可乐丽化学株式会社 | Composite particulate article and method for preparation thereof |
| CN1935313A (en) * | 2006-09-18 | 2007-03-28 | 周祎 | Gas phase-liquid phase fluid multifunctional filtering core and its manufacturing method |
| CN102847519A (en) * | 2012-09-04 | 2013-01-02 | 常州大学 | Composite absorbing material for removing chlorate in water and preparation method thereof |
| CN104925895A (en) * | 2015-06-24 | 2015-09-23 | 青岛恩高运动控制技术有限公司 | Improved organic waste water treatment material |
| CN105170094A (en) * | 2015-07-31 | 2015-12-23 | 广西壮族自治区环境保护科学研究院 | Modification method for active carbon and applications |
| CN106006795A (en) * | 2016-07-25 | 2016-10-12 | 广西南宁栩兮科技有限公司 | Bagasse, bentonite and kaolin composite wastewater treatment agent |
| CN106268664A (en) * | 2016-08-28 | 2017-01-04 | 铜仁市万山区盛和矿业有限责任公司 | A kind of inorganic agent of mercury-containing waste water and preparation method thereof |
-
2017
- 2017-04-13 CN CN201710242404.5A patent/CN106944009B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1553827A (en) * | 2001-09-10 | 2004-12-08 | 可乐丽化学株式会社 | Composite particulate article and method for preparation thereof |
| CN1935313A (en) * | 2006-09-18 | 2007-03-28 | 周祎 | Gas phase-liquid phase fluid multifunctional filtering core and its manufacturing method |
| CN102847519A (en) * | 2012-09-04 | 2013-01-02 | 常州大学 | Composite absorbing material for removing chlorate in water and preparation method thereof |
| CN104925895A (en) * | 2015-06-24 | 2015-09-23 | 青岛恩高运动控制技术有限公司 | Improved organic waste water treatment material |
| CN105170094A (en) * | 2015-07-31 | 2015-12-23 | 广西壮族自治区环境保护科学研究院 | Modification method for active carbon and applications |
| CN106006795A (en) * | 2016-07-25 | 2016-10-12 | 广西南宁栩兮科技有限公司 | Bagasse, bentonite and kaolin composite wastewater treatment agent |
| CN106268664A (en) * | 2016-08-28 | 2017-01-04 | 铜仁市万山区盛和矿业有限责任公司 | A kind of inorganic agent of mercury-containing waste water and preparation method thereof |
Non-Patent Citations (5)
| Title |
|---|
| 周公度等: "《大学化学词典》", 30 November 1992, 化学工业出版社 * |
| 李青竹等: "《重金属废水沉淀吸附处理理论与技术》", 31 January 2016, 中南大学出版社 * |
| 章名耀等: "《洁净煤发电技术及工程应用》", 31 May 2010, 化学工业出版社 * |
| 马培等: "《食用菌废弃物在重金属废水处理中的应用》", 30 September 2016, 黄河水利出版社 * |
| 高宝玉等: "《复合高分子絮凝剂》", 31 March 2016, 化学工业出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107758821A (en) * | 2017-11-28 | 2018-03-06 | 申国庆 | A kind of coagulant for sanitary sewage disposal and preparation method thereof |
| CN107952422A (en) * | 2017-12-07 | 2018-04-24 | 中国科学院城市环境研究所 | A kind of porous heavy metal absorbent based on biomass carbon and preparation method thereof |
| CN110152626A (en) * | 2019-04-24 | 2019-08-23 | 广东环境保护工程职业学院 | Calcium oxide modified active sludge organism adsorbent and its preparation method and application |
| CN111167401A (en) * | 2020-01-17 | 2020-05-19 | 河南大学 | Preparation method of modified iron-based functional material |
| CN113004903A (en) * | 2021-03-15 | 2021-06-22 | 湖南华田盛德生物科技有限公司 | Organic fertilizer for repairing heavy metal contaminated soil and preparation method thereof |
| CN113087289A (en) * | 2021-03-25 | 2021-07-09 | 珠海市建滔环保技术研发有限公司 | Treatment method of circuit board development wastewater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106944009B (en) | 2019-10-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106944009B (en) | A kind of high-efficiency adsorbent and its application in heavy metal wastewater thereby | |
| CN105056898B (en) | Modified straw stalk and its preparation method and application | |
| CN101829545B (en) | Heavy metal biological adsorbent using eggshell membrane as matrix and preparation method thereof | |
| CN101497031B (en) | Polluted water body heavy metal adsorption material and preparation method thereof | |
| CN102784621A (en) | Method for preparing biomass adsorption material based on modified rice husks | |
| Charazińska et al. | Recent trends in Ni (II) sorption from aqueous solutions using natural materials | |
| CN103848473B (en) | The method of methylene blue in waste dyestuff removed by a kind of nut-shell biomass charcoal sorbent material | |
| CN104801271A (en) | Method for preparing modified rice hull biochar and conditioning urban sludge through modified rice hull biochar | |
| CN110201636A (en) | A kind of preparation method of modification biological charcoal | |
| CN107398258A (en) | A kind of Preparation method and use of surface organic modification modification vermiculite Composite | |
| CN101601991A (en) | Remove biomass adsorbent and preparation, application and the renovation process of lead ion in the waste water | |
| CN101791537A (en) | Modified sludge activated carbon used for low-concentration flue gas desulfurization and denitration and preparation method thereof | |
| CN101337731B (en) | Method for removing cadmium in industrial wastewater by bio adsorbing agent | |
| CN105642245B (en) | A kind of preparation method of magnetic egg white/luffa sorbing material | |
| CN108636365B (en) | Modified straw fiber adsorption material and use method thereof | |
| CN103785361A (en) | Method for preparing heavy metal ion absorbent through xanthation of granule sludge | |
| CN101428891A (en) | Method for treating plumbum-containing wastewater with modified spent grain | |
| Hu et al. | Study on treatment of uranium-containing wastewater by biosorption | |
| CN108262029B (en) | Preparation method of organic-inorganic composite modified straw dephosphorization adsorbing material | |
| CN103771555B (en) | A kind of apply YUMIYI as the method for biomass adsorbent processing lead waste water | |
| CN105536716A (en) | Orange peel modified adsorbent material and preparation method thereof | |
| CN212222484U (en) | Integrated device for treating wastewater through macroporous resin adsorption and resin gas stripping desorption | |
| CN108773944A (en) | Adsorb the method that electro-catalysis combination handles low dense organic wastewater with difficult degradation thereby | |
| CN107349910A (en) | A kind of preparation method and applications of Pyromellitic Acid anhydride modification mao bamboon adsorbent | |
| CN208562088U (en) | A kind of rural domestic sewage treating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |