CN108585097B - Adsorption treatment method for copper ion-containing wastewater - Google Patents

Adsorption treatment method for copper ion-containing wastewater Download PDF

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CN108585097B
CN108585097B CN201810148273.9A CN201810148273A CN108585097B CN 108585097 B CN108585097 B CN 108585097B CN 201810148273 A CN201810148273 A CN 201810148273A CN 108585097 B CN108585097 B CN 108585097B
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copper ion
succinic acid
mesoporous alumina
wastewater
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CN108585097A (en
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陈华军
田文杰
李冬
杨刚宾
赵莉
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Luoyang Institute of Science and Technology
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    • 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
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • 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
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
    • 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
    • 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
    • C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • 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
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/46—Materials comprising a mixture of inorganic and organic materials
    • 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
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4806—Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character
    • 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
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
    • 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
    • C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • C02F2001/007—Processes including a sedimentation step
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions

Abstract

The invention relates to an adsorption treatment method of copper ion-containing wastewater, which comprises the following steps: s1, placing the organic solvent and succinic acid in a mixing container, and stirring until the succinic acid is completely dissolved to obtain a solution A; s2, adding mesoporous alumina into the solution A to obtain a mixture B, and after the reaction is finished, performing centrifugal separation and vacuum drying to obtain the succinic acid surface modified mesoporous alumina adsorbent; s3, adding the modified mesoporous alumina adsorbent into the copper ion wastewater to be treated; s4, adjusting the pH value of the copper ion wastewater to 5-8 by alkali; and S5, mechanically stirring or vibrating the copper ion wastewater, and after complete adsorption, performing solid-liquid separation in a centrifugal separation or standing precipitation mode to complete the adsorption treatment of the copper ion-containing wastewater. The invention uses the succinic acid surface modified mesoporous alumina adsorbent to perform adsorption treatment on the copper ion-containing wastewater, and the adsorption rate is not lower than 95%.

Description

Adsorption treatment method for copper ion-containing wastewater
Technical Field
The invention relates to the technical field of wastewater treatment, and particularly relates to an adsorption treatment method for copper ion-containing wastewater.
Background
Waste water containing a large amount of copper ions is often generated in the processes of chemical industry, printing and dyeing, electroplating, nonferrous smelting, mining of nonferrous metals, rinsing waste water of electronic materials, dye production and the like. Copper content in the copper-containing wastewater is higher, and direct discharge not only causes environmental pollution, but also is a resource waste, so the copper-containing wastewater needs to be treated, copper ions are recycled by technical means, and the water quality is discharged after reaching the standard.
The copper wastewater treatment technology comprises a chemical precipitation method, an electrolysis method, an ion exchange method, a heavy metal chelating agent, a membrane separation method, a replacement method and the like. Some of the above treatment methods need to add chemical reagents, which causes new environmental pollution; some of them have high treatment cost and are difficult to be applied industrially.
The adsorption method is to treat the wastewater by utilizing a porous solid adsorbent, the common adsorbent is inorganic mineral and mainly comprises activated carbon, natural zeolite and clay mineral, other chemical reagents are not required to be added in the treatment process, and the treatment cost is relatively low. However, the metal ions in the heavy metal wastewater are mainly adsorbed on the surface of the adsorbent through physical action, and the action force between the metal ions and the adsorbent is weak, so that the adsorption capacity is limited.
Disclosure of Invention
The invention aims to solve the technical problems and provide an adsorption treatment method of copper ion-containing wastewater, which utilizes a succinic acid surface modified mesoporous alumina adsorbent to perform adsorption treatment on the copper ion-containing wastewater, wherein the adsorption rate is not lower than 95%.
In order to solve the technical problems, the invention adopts the technical scheme that: an adsorption treatment method of copper ion-containing wastewater comprises the following steps:
s1, placing the organic solvent and succinic acid in a mixing container, controlling the heating reflux temperature to be 60-70 ℃ under magnetic stirring, and heating reflux until the succinic acid is completely dissolved to obtain a solution A for later use;
s2, adding mesoporous alumina into the solution A to obtain a mixture B, controlling the reaction temperature of the mixture B to be 80-90 ℃ under magnetic stirring, carrying out reflux reaction for 20-30 h, and after the reaction is finished, carrying out centrifugal separation and vacuum drying to obtain a succinic acid surface modified mesoporous alumina adsorbent;
s3, according to the fact that the mass concentration of the modified mesoporous alumina adsorbent is 3-5 times of that of copper ions in the copper ion wastewater (because the succinic acid surface modified mesoporous alumina adsorbent has saturated adsorption quantity q to the copper ionsm400mg/g), adding the modified mesoporous alumina adsorbent into the copper ion wastewater to be treated;
s4, adjusting the pH value of the copper ion wastewater to 5-8 by alkali; when the pH value is less than 5, the carboxyl on the surface of the mesoporous alumina is preferentially combined with H +, and when the pH value is more than 8, the copper ions are easy to generate complex reaction with OH-. The adsorption can be promoted by mechanical stirring or shaking.
And S5, mechanically stirring or vibrating the copper ion wastewater, and after complete adsorption, performing solid-liquid separation in a centrifugal separation or standing precipitation mode to complete the adsorption treatment of the copper ion-containing wastewater.
The adsorption treatment method of the copper ion-containing wastewater of the invention is further optimized as follows: the organic solvent in S1 is acetonitrile.
The adsorption treatment method of the copper ion-containing wastewater of the invention is further optimized as follows: the adding amount of succinic acid in the S1 is 1/10-1/20 of the weight of acetonitrile.
The adsorption treatment method of the copper ion-containing wastewater of the invention is further optimized as follows: the S2 mesoporous alumina is beta-Al with rich hydroxyl on the surface2O3The roasting temperature of the mesoporous alumina is less than 700 ℃.
The adsorption treatment method of the copper ion-containing wastewater of the invention is further optimized as follows: the addition amount of the mesoporous alumina in the S2 is 2-4 times of the weight of the succinic acid.
The adsorption treatment method of the copper ion-containing wastewater of the invention is further optimized as follows: and the temperature of vacuum drying in the S2 is controlled to be 60-70 ℃.
The adsorption treatment method of the copper ion-containing wastewater of the invention is further optimized as follows: the alkali in the S4 is sodium hydroxide, potassium hydroxide, calcium oxide or calcium hydroxide.
Advantageous effects
The invention selects surface modified mesoporous alumina to adsorb the copper ion-containing wastewater, the surface modification method adopts succinic acid as a surface modifier, the surface of the mesoporous alumina is modified by esterification reaction, hydroxyl on the surface of the alumina and carboxyl on one side of the succinic acid have esterification reaction, the reaction condition is simple, the filtrate generated in the reaction process can be reused, the treatment cost is lower, and the hydroxyl-rich mesoporous beta-Al is treated by adding the hydroxyl-rich mesoporous beta-Al2O3Succinic acid is grafted on the surface, and carboxyl introduced to the surface of mesoporous alumina has stronger complexing effect on copper ions (Langmuir and Dubinin-Radushkevich adsorption isotherm of figure 5 shows that the succinic acid surface modified mesoporous alumina adsorbent is monomolecular adsorption and functionalizationChemical adsorption, further illustrating that the adsorption mechanism is the complexation of the carboxyl groups on the surface of the mesoporous alumina and the copper ions, and the fitting result of the quasi-second order adsorption kinetic equation in fig. 7 further illustrates that the adsorption of the succinic acid surface modified mesoporous alumina adsorbent on the copper ions is a chemical adsorption process), and when the copper ion-containing wastewater is subjected to adsorption treatment, the adsorption rate is not lower than 95%.
Drawings
FIG. 1 is a FESEM photograph of the succinic acid surface modified mesoporous alumina adsorbent of the present invention;
FIG. 2 is an EDS surface analysis photograph of the succinic acid surface-modified mesoporous alumina adsorbent of the present invention;
FIG. 3 is a graph showing the relationship between the amount of the succinic acid surface-modified mesoporous alumina adsorbent and the copper ion adsorption effect;
FIG. 4 shows the ratio of the amount of the succinic acid surface-modified mesoporous alumina adsorbent to the equilibrium adsorption amount qeAnd balance copper ion concentration ceInfluence relationship diagram of (2);
FIG. 5 is the Langmuir and Dubinin-Radushkevich adsorption isotherms of the succinic acid surface-modified mesoporous alumina adsorbent of the present invention for copper ions;
FIG. 6 shows the adsorption time vs. equilibrium adsorption q in the treatment method of the present inventioneAnd balance copper ion concentration ceInfluence relationship diagram of (2);
FIG. 7 shows the equation of the quasi-second-order adsorption kinetics of the succinic acid surface modified mesoporous alumina adsorbent for copper ions
Figure RE-GDA0001729899000000041
And (6) fitting the graph.
Detailed Description
The technical solution of the present invention is further described below with reference to specific embodiments.
Example 1
A high-efficiency adsorption treatment method for copper ion wastewater comprises the following steps:
s1, putting acetonitrile and succinic acid into a mixing container, wherein the adding amount of the succinic acid is 1/10 of the weight of the acetonitrile, controlling the heating reflux temperature to be 70 ℃ under magnetic stirring, and heating reflux is carried out until the succinic acid is completely dissolved to obtain a solution A for later use;
s2, adding mesoporous alumina into the solution A to obtain a mixture B, wherein the adding amount of the mesoporous alumina is 2 times of the weight of the succinic acid, the reaction temperature of the mixture B is controlled to be 80 ℃ under magnetic stirring, the mixture B is subjected to reflux reaction for 20 hours, and after the reaction is finished, centrifugal separation and vacuum drying are carried out, and the vacuum drying temperature is 65 ℃ to obtain the succinic acid surface modified mesoporous alumina adsorbent;
fig. 1 and fig. 2 are respectively a FESEM photograph and an EDS surface analysis photograph of the prepared diacid surface modified mesoporous alumina adsorbent, and it can be seen from the FESEM photograph that alumina is a mesoporous material. As can be seen from EDS surface analysis, a large amount of carboxyl carbon is distributed on the surface of the mesoporous alumina, which indicates that succinic acid and hydroxyl on the surface of the mesoporous alumina have esterification reaction.
S3, adding the modified mesoporous alumina adsorbent into the copper ion wastewater to be treated according to the condition that the mass concentration of the modified mesoporous alumina adsorbent is 3 times of the mass concentration of copper ions in the copper ion wastewater;
s4, adjusting the pH value of the copper ion wastewater to 5 by using sodium hydroxide;
and S5, promoting adsorption by adopting a mechanical stirring mode, wherein the adsorption time is 200 min, and after complete adsorption, performing solid-liquid separation by adopting a centrifugal separation mode. The adsorption rate of the succinic acid surface modified mesoporous alumina adsorbent to copper ions in the copper ion wastewater is 97%.
FIG. 4 and FIG. 6 show the dosage of the succinic acid surface modified mesoporous alumina adsorbent versus the equilibrium adsorption qeAnd balance copper ion concentration ceInfluence of (2) and adsorption time on equilibrium adsorption quantity qeAnd balance copper ion concentration ceThe influence of (c).
Example 2
A high-efficiency adsorption treatment method for copper ion wastewater comprises the following steps:
s1, putting acetonitrile and succinic acid into a mixing container, wherein the adding amount of the succinic acid is 1/15 of the weight of the acetonitrile, controlling the heating reflux temperature to be 65 ℃ under magnetic stirring, and heating reflux is carried out until the succinic acid is completely dissolved to obtain a solution A for later use;
s2, adding mesoporous alumina into the solution A to obtain a mixture B, wherein the adding amount of the mesoporous alumina is 3 times of the weight of the succinic acid, controlling the reaction temperature of the mixture B to be 85 ℃ under magnetic stirring, carrying out reflux reaction for 25 hours, and after the reaction is finished, carrying out centrifugal separation and vacuum drying at the vacuum drying temperature of 65 ℃ to obtain a succinic acid surface modified mesoporous alumina adsorbent;
s3, adding the modified mesoporous alumina adsorbent into the copper ion wastewater to be treated according to the condition that the mass concentration of the modified mesoporous alumina adsorbent is 4 times of the mass concentration of copper ions in the copper ion wastewater;
s4, adjusting the pH value of the copper ion wastewater to 6 by using potassium hydroxide;
and S5, promoting adsorption by adopting a mechanical stirring mode, wherein the adsorption time is 250 min, and after complete adsorption, performing solid-liquid separation by adopting a centrifugal separation mode. The adsorption rate of the succinic acid surface modified mesoporous alumina adsorbent to copper ions in the copper ion wastewater is 98%.
Example 3
A high-efficiency adsorption treatment method for copper ion wastewater comprises the following steps:
s1, putting acetonitrile and succinic acid into a mixing container, wherein the adding amount of the succinic acid is 1/20 of the weight of the acetonitrile, controlling the heating reflux temperature to be 70 ℃ under magnetic stirring, and heating reflux is carried out until the succinic acid is completely dissolved to obtain a solution A for later use;
s2, adding mesoporous alumina into the solution A to obtain a mixture B, wherein the adding amount of the mesoporous alumina is 4 times of the weight of the succinic acid, controlling the reaction temperature of the mixture B to be 90 ℃ under magnetic stirring, carrying out reflux reaction for 30 hours, and after the reaction is finished, carrying out centrifugal separation and vacuum drying at the vacuum drying temperature of 70 ℃ to obtain a succinic acid surface modified mesoporous alumina adsorbent;
s3, adding the modified mesoporous alumina adsorbent into the copper ion wastewater to be treated according to the condition that the mass concentration of the modified mesoporous alumina adsorbent is 5 times of the mass concentration of copper ions in the copper ion wastewater;
s4, adjusting the pH value of the copper ion wastewater to 7 by using sodium hydroxide;
and S5, promoting adsorption by adopting a mechanical stirring mode, wherein the adsorption time is 300 min, and after complete adsorption, performing solid-liquid separation by adopting a centrifugal separation mode. The adsorption rate of the succinic acid surface modified mesoporous alumina adsorbent to copper ions in the copper ion wastewater is 99%.
Example 4
A high-efficiency adsorption treatment method for copper ion wastewater comprises the following steps:
s1, putting acetonitrile and succinic acid into a mixing container, wherein the adding amount of the succinic acid is 1/15 of the weight of the acetonitrile, controlling the heating reflux temperature to be 70 ℃ under magnetic stirring, and heating reflux is carried out until the succinic acid is completely dissolved to obtain a solution A for later use;
s2, adding mesoporous alumina into the solution A to obtain a mixture B, wherein the adding amount of the mesoporous alumina is 3 times of the weight of the succinic acid, the reaction temperature of the mixture B is controlled to be 90 ℃ under magnetic stirring, the mixture B is subjected to reflux reaction for 30 hours, and after the reaction is finished, centrifugal separation and vacuum drying are carried out, and the vacuum drying temperature is 65 ℃ to obtain the succinic acid surface modified mesoporous alumina adsorbent;
s3, adding the modified mesoporous alumina adsorbent into the copper ion wastewater to be treated according to the condition that the mass concentration of the modified mesoporous alumina adsorbent is 4 times of the mass concentration of copper ions in the copper ion wastewater;
s4, adjusting the pH value of the copper ion wastewater to 7 by using calcium oxide;
and S5, promoting adsorption by adopting a mechanical stirring mode, wherein the adsorption time is 250 min, and after complete adsorption, performing solid-liquid separation by adopting a centrifugal separation mode. The adsorption rate of the succinic acid surface modified mesoporous alumina adsorbent to copper ions in the copper ion wastewater is 98%.
Example 5
A high-efficiency adsorption treatment method for copper ion wastewater comprises the following steps:
s1, putting acetonitrile and succinic acid into a mixing container, wherein the adding amount of the succinic acid is 1/10 of the weight of the acetonitrile, controlling the heating reflux temperature to be 70 ℃ under magnetic stirring, and heating reflux is carried out until the succinic acid is completely dissolved to obtain a solution A for later use;
s2, adding mesoporous alumina into the solution A to obtain a mixture B, wherein the adding amount of the mesoporous alumina is 2 times of the weight of the succinic acid, controlling the reaction temperature of the mixture B to be 90 ℃ under magnetic stirring, carrying out reflux reaction for 20 hours, and after the reaction is finished, carrying out centrifugal separation and vacuum drying at the vacuum drying temperature of 70 ℃ to obtain a succinic acid surface modified mesoporous alumina adsorbent;
s3, adding the modified mesoporous alumina adsorbent into the copper ion wastewater to be treated according to the condition that the mass concentration of the modified mesoporous alumina adsorbent is 3 times of the mass concentration of copper ions in the copper ion wastewater;
s4, adjusting the pH value of the copper ion wastewater to 7 by using calcium hydroxide;
and S5, promoting adsorption by adopting a mechanical stirring mode, wherein the adsorption time is 200 min, and after complete adsorption, performing solid-liquid separation by adopting a centrifugal separation mode. The adsorption rate of the succinic acid surface modified mesoporous alumina adsorbent to copper ions in the copper ion wastewater is 97%.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (5)

1. An adsorption treatment method of copper ion-containing wastewater is characterized in that: the method comprises the following steps:
s1, placing the organic solvent and succinic acid in a mixing container, controlling the heating reflux temperature to be 60-70 ℃ under magnetic stirring, and heating reflux until the succinic acid is completely dissolved to obtain a solution A for later use;
s2, adding mesoporous alumina into the solution A to obtain a mixture B, controlling the reaction temperature of the mixture B to be 80-90 ℃ under magnetic stirring, carrying out reflux reaction for 20-30 h, and after the reaction is finished, carrying out centrifugal separation and vacuum drying to obtain a succinic acid surface modified mesoporous alumina adsorbent;
s3, adding the modified mesoporous alumina adsorbent into the copper ion wastewater to be treated according to the condition that the mass concentration of the modified mesoporous alumina adsorbent is 3-5 times of the mass concentration of copper ions in the copper ion wastewater;
s4, adjusting the pH value of the copper ion wastewater to 5-8 by alkali;
s5, mechanically stirring or vibrating the copper ion wastewater, and after complete adsorption, performing solid-liquid separation in a centrifugal separation or standing precipitation mode to complete adsorption treatment of the copper ion-containing wastewater;
the S2 mesoporous alumina is beta-Al with rich hydroxyl on the surface2O3The roasting temperature of the mesoporous alumina is less than 700 ℃;
the addition amount of the mesoporous alumina in the S2 is 2-4 times of the weight of the succinic acid.
2. The method for adsorption treatment of copper ion-containing wastewater according to claim 1, wherein: the organic solvent in S1 is acetonitrile.
3. The method for adsorption treatment of copper ion-containing wastewater according to claim 2, wherein: the adding amount of succinic acid in the S1 is 1/10-1/20 of the weight of acetonitrile.
4. The method for adsorption treatment of copper ion-containing wastewater according to claim 1, wherein: and the temperature of vacuum drying in the S2 is controlled to be 60-70 ℃.
5. The method for adsorption treatment of copper ion-containing wastewater according to claim 1, wherein: the alkali in the S4 is sodium hydroxide, potassium hydroxide, calcium oxide or calcium hydroxide.
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