CN108863283A - Waste residue base porous compound material and its preparation method and application for wastewater treatment - Google Patents
Waste residue base porous compound material and its preparation method and application for wastewater treatment Download PDFInfo
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- CN108863283A CN108863283A CN201810793965.9A CN201810793965A CN108863283A CN 108863283 A CN108863283 A CN 108863283A CN 201810793965 A CN201810793965 A CN 201810793965A CN 108863283 A CN108863283 A CN 108863283A
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- Prior art keywords
- waste residue
- red mud
- wastewater treatment
- compound material
- porous compound
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- 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
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Water Treatment By Sorption (AREA)
Abstract
A kind of waste residue base porous compound material for wastewater treatment, the foaming agent of cobalt waste residue, the red mud of 35-50%, the additive of 4-10% and 0.2-3% including 45-60%；Cobalt waste residue includes the SiO of 40-60%2, 10-25% Al2O3, 3-8% Fe and 2-8% CaO；Red mud includes the SiO of 20-30%2, 35-50% CaO, 5-15% Al2O3, 8-18% Fe and 2-6% Na2O；Additive is the waterglass that modulus is 1.2-1.7, and foaming agent is one of aluminium powder or hydrogen peroxide.Waste residue base porous compound material for wastewater treatment of the invention has the advantages that simple process, material source be wide, at low cost, good waste water treatment effect.
Description
Technical field
The present invention relates to a kind of industrial residue recovery processing field more particularly to a kind of waste residue base for wastewater treatment are more
Hole composite material and its preparation method and application.
Background technique
Lithium ion battery needs to be applied to a large amount of cobalt at present.For cobalt ore as associated minerals, type is more, industrial processing cobalt
The common method of mine is hydrometallurgy.The hydrometallurgy of cobalt ore typically uses Ore Leaching, the cobalt waste residue one after the process
As all in acidity, pH is between 2-5.Red mud is the by-product waste residue for producing commercial alumina, is in strong basicity, pH 10-12.5.
Aluminium oxide increases year by year as a kind of raw material of industry, demand, and the accumulation of red mud stockpiling and landfill are also by sustainable growth, in red mud
Containing various heavy, easily pollute the environment.
Currently, the processing mode of cobalt waste residue and red mud is single, predominantly stack and fill etc., the heap of cobalt waste residue and red mud
It deposits, occupies a large amount of soils, high acid-base property makes soil soda acid, and heavy metal contaminants therein easily permeate the ground, dirty
Soil and water quality are contaminated, very big damage is brought to ambient enviroment.
The composite material of wastewater treatment is commercially used for usually there are three types of type, the first is at high molecular polymer waste water
Composite material is managed, is for second the wastewater treatment composite material of organic decoration mineral (zeolite, clay, kaolin etc.), the third
It is the inorganic-organic combination materials that inorganic matter and organic matter are prepared under given conditions according to a certain ratio.And waste residue base is more
The wastewater treatment research of hole composite material has not yet seen.
Polymer composite material for wastewater treatment is usually the polymer of macromolecule organic and additive,
It is limited to the characteristic of high molecular material, rigidity, wearability, corrosion resistance etc. are poor；Organic decoration inorganic salts or mineral are answered
Condensation material, principle are that waste water, this material are handled the compatibility of certain metal ions using the specific groups of organic substance
Material is more demanding to processing environment, easily fails；For the inorganic-organic combination materials of wastewater treatment, the price of material is higher,
Proportion is complicated, and treatment process is more complex.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, it is wide to provide a kind of material source, is prepared into
This low, waste residue base porous compound material and its preparation method and application for wastewater treatment that low energy consumption in preparation process.
In order to solve the above technical problems, technical solution proposed by the present invention is：A kind of waste residue base for wastewater treatment is more
Hole composite material, the foaming agent of cobalt waste residue, the red mud of 35-50%, the additive of 4-10% and 0.2-3% including 45-60%；
The cobalt waste residue includes the SiO of 40-60%2, 10-25% Al2O3, 3-8% Fe and 2-8% CaO；The red mud includes
The SiO of 20-30%2, 35-50% CaO, 5-15% Al2O3, 8-18% Fe and 2-6% Na2O；The additive is
Modulus is the waterglass of 1.2-1.7, and the foaming agent is one of aluminium powder or hydrogen peroxide.In the present invention, additive is used to mention
The cohesive force of high material, foaming agent are used to improve the porosity of material.
The above-mentioned waste residue base porous compound material for wastewater treatment, it is preferred that the pH of the cobalt waste residue is 2-5, institute
The pH for stating red mud is 10-12.5.The present invention is characterized in that using the pH value polarization feature of two kinds of slags, by centainly matching
Than playing the effect of neutralization reaction after mixing, avoiding the pH for adjusting waste material using chemical reagent, save cost.
The above-mentioned waste residue base porous compound material for wastewater treatment, it is preferred that the red mud passes through 650-800 DEG C,
Roast 1.5-2.5h.
A kind of preparation method of the waste residue base porous compound material for wastewater treatment, includes the following steps, 1) cobalt is given up
Slag and red mud are respectively dried, and 200 meshes are crossed after ball milling；
2) red mud after being sieved is activated：The roasting of red mud powder, 650-800 DEG C of maturing temperature, calcining time 1.5-2.5h；
3) preparation of additive：Modulus of water glass is adjusted to 1.2-1.7 with industrial caustic soda；
4) raw material is configured by mass percentage：Cobalt waste residue 45-60% activates red mud 35-50%, additive 4-10%, foaming agent
0.2-3%；
5) by step 4) cobalt waste residue powder, activation red mud, additive after mixing, add foaming agent, prepare porous multiple
Condensation material, and 3-5h is conserved at normal temperature；
6) it is porous compound both to have obtained waste residue base by the composite porous steam-cured 10-15h of normal pressure at 70-85 DEG C after conserving room temperature
Material.
A kind of application of the waste residue base porous compound material for wastewater treatment is used for the processing of waste water, adsorbs waste water
In heavy metal ion, heavy metal ion includes the one or more of copper, lead, chromium and nickel ion.
In waste water treatment applications of the present invention, the mass percent of waste residue base porous compound material and waste water is 1:15-
30, heavy metal in water ion concentration is 75-120mg/L, and water body pH is 6-9, and processing mode is concussion, handles time 1.5-
2.5h。
Waste residue base porous compound material of the present invention has the various heavy metal ion in waste water to be inhaled well
The purpose of wastewater treatment is played in attached effect, and adsorbable heavy metal ion has copper, lead, chromium, nickel etc., and removal effect is significant, meets
Requirement of the GB 31573-2015 to wastewater treatment standard.
Compared with the prior art, the advantages of the present invention are as follows：One, in formula, waste residue proportion is high, reaches 90% or more, no
Only material source is wide, and effectively reduces cost, and the waste residue base porous compound material of preparation has well in the treatment of waste water
Application value；Two, in waste residue base porous compound material, baking red mud saves energy consumption, meets sustainable development；Three,
The present invention is characterized in that playing neutralization reaction after mixing by centainly matching using the pH value polarization feature of two kinds of slags
Effect, avoid using chemical reagent adjust waste material pH, save cost.Therefore, it is more to provide a kind of waste residue base by the present invention
The preparation method of hole composite material and its application in the treatment of waste water have simple process, material source wide, at low cost, useless
The good advantage of water treatment efficiency.
Specific embodiment
To facilitate the understanding of the present invention, present invention work more comprehensively, is meticulously described below in conjunction with preferred embodiment,
But the protection scope of the present invention is not limited to the following specific embodiments.
Unless otherwise defined, all technical terms used hereinafter and the normally understood meaning of those skilled in the art
It is identical.Technical term used herein is intended merely to the purpose of description specific embodiment, is not intended to the limitation present invention
Protection scope.
Embodiment 1
Waste residue base porous compound material is prepared according to the following steps：
1) cobalt waste residue and red mud are respectively dried, the sieve of 200 mesh is crossed after ball milling；
2) the red mud powder calcination activation after being sieved：730 DEG C of maturing temperature, calcining time 2h；
3) preparation of additive：Modulus of water glass is adjusted to 1.5 with industrial caustic soda；
4) raw material is configured by mass percentage：Cobalt waste residue powder 50% activates red mud 42%, additive 7%, foaming agent 1%.
5) by step (4) cobalt waste residue, activation red mud, additive after mixing, add foaming agent, prepare porous multiple
Condensation material, and 4h is conserved at normal temperature；
6) the composite porous steam-cured 12h of normal pressure at 80 DEG C after conserving room temperature both obtains waste residue base porous compound material.
Waste residue base porous compound material wastewater treatment：
The mass percent of waste residue base porous compound material and waste water is 1:20, cupric, chromium, each portion of lead waste water, concentration is
100mg/L, water body pH are 6.5, and processing mode is concussion, handle time 2h.
| Specific surface area (m2/g) | Kong Rong (cm3/g) | Water absorption rate (%) |
| 20.35 | 0.0012 | 16.2 |
The indices of waste residue base porous compound material are as shown above.
The water treatment effect of waste residue base porous compound material is seen the above table, and meets GB 31573-2015 to wastewater treatment mark
Quasi- requirement.
Embodiment 2
Waste residue base porous compound material is prepared according to the following steps：
1) cobalt waste residue and red mud are respectively dried, the sieve of 200 mesh is crossed after ball milling；
2) the red mud powder calcination activation after being sieved：730 DEG C of maturing temperature, calcining time 2h；
3) preparation of additive：Modulus of water glass is adjusted to 1.5 with industrial caustic soda；
4) raw material is configured by mass percentage：Cobalt waste residue powder 54% activates red mud 36.5%, additive 8%, foaming agent
1.5%.
5) by step (4) cobalt waste residue, activation red mud, additive after mixing, add foaming agent, prepare porous multiple
Condensation material, and 4h is conserved at normal temperature；
6) the composite porous steam-cured 12h of normal pressure at 80 DEG C after conserving room temperature both obtains waste residue base porous compound material.
Waste residue base porous compound material wastewater treatment：
The mass percent of waste residue base porous compound material and waste water is 1:20, cupric, chromium, each portion of lead waste water, concentration is
100mg/L, water body pH are 6.5, and processing mode is concussion, handle time 2h.
| Specific surface area (m2/g) | Kong Rong (cm3/g) | Water absorption rate (%) |
| 18.63 | 0.0011 | 14.2 |
The indices of waste residue base porous compound material are as shown above.
The water treatment effect of waste residue base porous compound material is seen the above table, and meets GB 31573-2015 to wastewater treatment mark
Quasi- requirement.
Embodiment 3
Waste residue base porous compound material is prepared according to the following steps：
1) cobalt waste residue and red mud are respectively dried, the sieve of 200 mesh is crossed after ball milling；
2) the red mud powder calcination activation after being sieved：730 DEG C of maturing temperature, calcining time 2h；
3) preparation of additive：Modulus of water glass is adjusted to 1.5 with industrial caustic soda；
4) raw material is configured by mass percentage：Cobalt waste residue powder 47% activates red mud 45%, additive 6%, foaming agent 2%.
5) by step (4) cobalt waste residue, activation red mud, additive after mixing, add foaming agent, prepare porous multiple
Condensation material, and 4h is conserved at normal temperature；
6) the composite porous steam-cured 12h of normal pressure at 80 DEG C after conserving room temperature both obtains waste residue base porous compound material.
Waste residue base porous compound material wastewater treatment：
The mass percent of waste residue base porous compound material and waste water is 1:20, cupric, chromium, each portion of lead waste water, concentration is
100mg/L, water body pH are 6.5, and processing mode is concussion, handle time 2h.
| Specific surface area (m2/g) | Kong Rong (cm3/g) | Water absorption rate (%) |
| 22.55 | 0.0016 | 19.1 |
The indices of waste residue base porous compound material are as shown above.
The water treatment effect of waste residue base porous compound material is seen the above table, and meets GB 31573-2015 to wastewater treatment mark
Quasi- requirement.
Claims (5)
1. a kind of waste residue base porous compound material for wastewater treatment, it is characterised in that：Cobalt waste residue, 35- including 45-60%
The foaming agent of 50% red mud, the additive of 4-10% and 0.2-3%；The cobalt waste residue includes the SiO of 40-60%2, 10-25%
Al2O3, 3-8% Fe and 2-8% CaO；The red mud includes the SiO of 20-30%2, 35-50% CaO, 5-15% Al2O3、8-
The Na of 18% Fe and 2-6%2O；The additive is the waterglass that modulus is 1.2-1.7, and the foaming agent is aluminium powder or dioxygen
One of water.
2. the waste residue base porous compound material according to claim 1 for wastewater treatment, it is characterised in that：The cobalt is useless
The PH of slag is 2-5, and the PH of the red mud is 10-12.5.
3. the waste residue base porous compound material according to claim 1 for wastewater treatment, it is characterised in that：The red mud
By 650-800 DEG C, 1.5-2.5h is roasted.
4. a kind of preparation side of the waste residue base porous compound material as described in any one of claims 1-3 for wastewater treatment
Method, it is characterised in that：Include the following steps, 1）Cobalt waste residue and red mud are respectively dried, 200 meshes are crossed after ball milling；
2）Red mud after sieving is activated：The roasting of red mud powder, 650-800 DEG C of maturing temperature, calcining time 1.5-2.5h；
3）The preparation of additive：Modulus of water glass is adjusted to 1.2-1.7 with industrial caustic soda；
4）Raw material is configured by mass percentage：Cobalt waste residue 45-60% activates red mud 35-50%, additive 4-10%, foaming agent 0.2-
3%；
5）By step 4）In cobalt waste residue powder, activation red mud, additive after mixing, add foaming agent, prepare porous multiple
Condensation material, and 3-5h is conserved at normal temperature；
6）It is composite porous in the 70-85 °C of lower steam-cured 10-15h of normal pressure after room temperature is conserved, it is porous compound both to have obtained waste residue base
Material.
5. a kind of application of the waste residue base porous compound material as described in any one of claims 1-3 for wastewater treatment,
It is characterized in that：For the processing of waste water, the heavy metal ion in waste water is adsorbed, heavy metal ion includes copper, lead, chromium and nickel ion
One or more.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810793965.9A CN108863283A (en) | 2018-07-19 | 2018-07-19 | Waste residue base porous compound material and its preparation method and application for wastewater treatment |
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| CN201810793965.9A CN108863283A (en) | 2018-07-19 | 2018-07-19 | Waste residue base porous compound material and its preparation method and application for wastewater treatment |
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| CN108863283A true CN108863283A (en) | 2018-11-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115010511A (en) * | 2022-05-13 | 2022-09-06 | 佛山欧神诺陶瓷有限公司 | Light functional ceramic tile and preparation method and application thereof |
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2018
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| CN103920457A (en) * | 2014-03-23 | 2014-07-16 | 桂林理工大学 | Method for preparing geopolymer adsorption material by using Bayer process red mud |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115010511A (en) * | 2022-05-13 | 2022-09-06 | 佛山欧神诺陶瓷有限公司 | Light functional ceramic tile and preparation method and application thereof |
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Application publication date: 20181123 |