CN103599744A - Iron-based thallium removal material as well as preparation method and application thereof - Google Patents
Iron-based thallium removal material as well as preparation method and application thereof Download PDFInfo
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- CN103599744A CN103599744A CN201310572352.XA CN201310572352A CN103599744A CN 103599744 A CN103599744 A CN 103599744A CN 201310572352 A CN201310572352 A CN 201310572352A CN 103599744 A CN103599744 A CN 103599744A
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Abstract
The invention discloses an iron-based thallium removal material as well as a preparation method and an application thereof, which relates to the field of inorganic nonmetallic material preparation and environmental protection technology. The iron-based thallium removal material mainly contains alkali ferrous oxide and iron trioxide. The preparation method of the iron-based thallium removal material comprises: uniformly mixing and depositing raw materials molysite, alkali liquor, hydrogen peroxide and water to form a precursor; and then, filtering, washing and drying the precursor to obtain the iron-based thallium removal material. In the preparation method of the iron-based thallium removal material, a series of iron-based thallium removal materials with different proportions of alkali ferrous oxide and iron trioxide can be obtained by controlling the raw material proportions and the technological parameters in the preparation process. The iron-based thallium removal material can be used for well removing thallium ions in water and is particularly used for purifying water body with low thallium concentration and even complicated water body in which a variety of metal ions coexist, in order to solve the existing problem that thallium in water exceeds the standard, and particularly, the problem that thallium concentration is low or a variety of ions coexist in the water body to be unlikely removed.
Description
Technical field:
The present invention relates to Inorganic Non-metallic Materials preparation and environmental protection technical field, be specifically related to a kind of iron-based except thallium material and its preparation method and application.
Background technology:
Thallium is a kind of rareness and widely distributed metallic element, and appearance is similar to tin, but its top layer easily forms oxide in air, and thallium enters in water, is strong neurotoxic substance, and liver, kidney are had to detrimental effect.Even very micro-thallium, Long contact time, also can cause neurasthenia syndrome, alopecia, stomach to receive poor, the disease such as eyes are blind.
The mass concentration of China drinking water standard GB5749-2006 regulation thallium must not surpass 0.1ppb(0.0001mg/L).In July, 2013, there is the heavy metal pollution events such as water body cadmium, thallium in south china city.Control thallium ion in water and exceed standard, particularly under low concentration, contain the purification of thallium water body, become one of urgent problem.
Absorption method has that efficiency is high, adsorptive hindrance is little, and adsorbent is renewable to be reused, and environment can or seldom not produced to the advantages such as secondary pollution.For the removal of thallium ion in water, Present Domestic there is no good purification techniques and relevant scavenging material outward.In water, the purification of heavy metal ion is removed, the particularly removal under super low concentration, and the problem of core is the research and development of efficient adsorption agent material.Meanwhile, how realizing the commercial Application of efficient adsorption material and the exploitation of follow-up process for purifying, is also the problem that research and development efficient adsorption material institute must consideration.
How researching and developing a kind of efficient adsorption agent material that has moulding property of height, is applicable to the exploitation of industry popularization, applicable purifier and technique, is that preparation is except an important directions of thallium material.
Summary of the invention:
The object of this invention is to provide a kind of iron-based except thallium material and its preparation method and application, it is mainly with alkali formula ferrous oxide (FeOOH) and di-iron trioxide (Fe
2o
3) be main, can well be except the thallium ion in anhydrating, particularly in water body containing thallium concentration when lower, or even the purification applications of the Complex water body that coexists of many kinds of metal ions, to solve the difficult problem that is difficult to removal that the problem that in current water, thallium exceeds standard, particularly water body are lower containing thallium concentration or different kinds of ions coexists and causes.
In order to solve the existing problem of background technology, the present invention is by the following technical solutions: it is with alkali formula ferrous oxide (FeOOH) and di-iron trioxide (Fe
2o
3) be main, its preparation method is: by raw material: molysite, alkali lye, hydrogen peroxide, water, evenly mix, precipitation, form presoma; Then, after presoma is filtered, washs, is dried, obtain iron-based except thallium material.
Concrete preparation process of the present invention is: first, under well-beaten condition, after the molysite of 15～50Kg being dissolved in the water of 100～500Kg, fully dissolving, successively add 30% the alkali lye of 15～80Kg, the aqueous hydrogen peroxide solution of 5～50Kg, fully mix 1～3 hour, obtain presoma; Then presoma is repeatedly filtered, washed 5～8 times, finally in the temperature range more than 100 ℃, below 200 ℃, dry 1～2 day, obtain final iron-based except thallium material.
Described molysite is organic salt and the inorganic salts of iron content; Described alkali lye is the aqueous solution that NaOH, potassium hydroxide, lithium hydroxide configuration form; Described hydrogen peroxide is the aqueous hydrogen peroxide solution of percentage.
Described iron-based, except in the preparation method of thallium material, can, by controlling each raw material proportioning and the technological parameter in preparation process, obtain alkali formula ferrous oxide (FeOOH) and di-iron trioxide (Fe
2o
3) the different serial iron-based of ratio is except thallium material.
Described iron-based removes thallium material can also can form wire, cloth shape, bulk material by load, processing directly as the sorbing material of thallium ion in the aqueous solution, for the purification of water body thallium ion, removes.
Design principle of the present invention is as follows:
By precipitation-filtration-washing-dry technique, realize iron-based except the preparation of thallium material, this iron-based is except thallium material had both had the feature of high-efficiency adsorbent, possessed again high moulding property, is easy to commercial Application, has been easy to the feature of the exploitation of cleaning equipment and technique.
The present invention has following beneficial effect:
1, adopt common molysite, alkali lye, hydrogen peroxide, water as raw material, by precipitation-filtration-washing-dry technique, realize iron-based except the preparation of thallium material, preparation process is at room temperature carried out, simple to operate, is easy to control, and is easy to suitability for industrialized production.
2,, by specific preparation technology, obtain with alkali formula ferrous oxide (FeOOH) and di-iron trioxide (Fe
2o
3) be main iron-based except thallium material, can be directly as in the aqueous solution except thallium material, also can be by load, processing, formation wire, cloth shape, bulk material, for the purification removal of water body thallium ion.
3, can, by controlling each raw material proportioning and the technological parameter in preparation process, obtain alkali formula ferrous oxide (FeOOH) and di-iron trioxide (Fe
2o
3) the different serial iron-based of ratio is except thallium material.
Even in the 4 actual polluted-waters that coexist at many kinds of metal ions, still there is very strong thallium and remove ability, clearance reaches 100%.
Accompanying drawing explanation:
Fig. 1 is that iron-based of the present invention removes the X-ray diffracting spectrum of thallium material load in fiber cloth,
Fig. 2 is the design sketch that in embodiment, iron-based removes thallium materials purification natural pollution water body.
The specific embodiment:
This specific embodiment is by the following technical solutions: it is with alkali formula ferrous oxide (FeOOH) and di-iron trioxide (Fe
2o
3) be main, its preparation method is: by raw material: molysite, alkali lye, hydrogen peroxide, water, evenly mix, precipitation, form presoma; Then, after presoma is filtered, washs, is dried, obtain iron-based except thallium material.
The concrete preparation process of this specific embodiment is: first, under well-beaten condition, after the molysite of 15～50Kg being dissolved in the water of 100～500Kg, fully dissolving, successively add 30% the alkali lye of 15～80Kg, the aqueous hydrogen peroxide solution of 5～50Kg, fully mix 1～3 hour, obtain presoma; Then presoma is repeatedly filtered, washed 5～8 times, finally in the temperature range more than 100 ℃, below 200 ℃, dry 1～2 day, obtain final iron-based except thallium material.
Described molysite is organic salt and the inorganic salts of iron content; Described alkali lye is the aqueous solution that NaOH, potassium hydroxide, lithium hydroxide configuration form; Described hydrogen peroxide is the aqueous hydrogen peroxide solution of percentage.
Described iron-based, except in the preparation method of thallium material, can, by controlling each raw material proportioning and the technological parameter in preparation process, obtain alkali formula ferrous oxide (FeOOH) and di-iron trioxide (Fe
2o
3) the different serial iron-based of ratio is except thallium material.
Described iron-based removes thallium material can also can form wire, cloth shape, bulk material by load, processing directly as the sorbing material of thallium ion in the aqueous solution, for the purification of water body thallium ion, removes.
With reference to Fig. 1, can find out, the iron-based that this specific embodiment obtains is except thallium material, with alkali formula ferrous oxide (FeOOH) and di-iron trioxide (Fe
2o
3) be main.
The design principle of this specific embodiment is as follows:
By precipitation-filtration-washing-dry technique, realize iron-based except the preparation of thallium material, this iron-based is except thallium material had both had the feature of high-efficiency adsorbent, possessed again high moulding property, is easy to commercial Application, has been easy to the feature of the exploitation of cleaning equipment and technique.
This specific embodiment is mainly with alkali formula ferrous oxide (FeOOH) and di-iron trioxide (Fe
2o
3) be main, can well be except the thallium ion in anhydrating, particularly in water body containing thallium concentration when lower, or even the purification applications of the Complex water body that coexists of many kinds of metal ions, to solve the difficult problem that is difficult to removal that the problem that in current water, thallium exceeds standard, particularly water body are lower containing thallium concentration or different kinds of ions coexists and causes.
Embodiment:
First, under well-beaten condition, 10 kilo sulfuric acid ferrous irons are dissolved in and in 60 kg water, then drip 8 kilograms of 30% sodium hydroxide lyes, finally add the aqueous hydrogen peroxide solution of 8 kilogram 27%, to obtain red-brown precipitation.Red-brown precipitation is repeatedly filtered, washed 8 times, at 150 ℃, dry one day to obtain iron-based except thallium material.
Iron-based is except thallium material, can be directly as in the aqueous solution except thallium material, also can be by load, processing, formation wire, cloth shape, bulk material, for the purification removal of water body thallium ion.In purification experiment for the natural pollution water body in somewhere, Guangxi, in pollution concentration, be that 0.00041mg/L(exceeds standard 3 times) and high pollution concentration 0.02012mg/L(exceed standard 200 times) time, thallium is all there is to 100% clearance (with reference to Fig. 2).
Embodiment result shows; it is raw material that molysite, alkali lye, hydrogen peroxide, water are take in the present invention; adopt the iron-based that precipitation-filtration-washing-dry technique successfully obtains to remove thallium material; its preparation process is simple, and the protection that contains the dirty water purification of thallium and environment for low concentration provides a kind of novel efficient thallium material that removes.
Claims (5)
1. iron-based is except thallium material and its preparation method and application, it is characterized in that it take alkali formula ferrous oxide and di-iron trioxide as main, and its preparation method is: by raw material: molysite, alkali lye, hydrogen peroxide, water, evenly mix, precipitation, and form presoma; Then, after presoma is filtered, washs, is dried, obtain iron-based except thallium material.
2. iron-based according to claim 1 is except thallium material and its preparation method and application, the concrete preparation process that it is characterized in that it is: first, under well-beaten condition, after the molysite of 15～50Kg being dissolved in the water of 100～500Kg, fully dissolving, successively add 30% the alkali lye of 15～80Kg, the aqueous hydrogen peroxide solution of 5～50Kg, fully mix 1～3 hour, obtain presoma; Then presoma is repeatedly filtered, washed 5～8 times, finally in the temperature range more than 100 ℃, below 200 ℃, dry 1～2 day, obtain final iron-based except thallium material.
3. iron-based according to claim 1, except thallium material and its preparation method and application, is characterized in that organic salt and inorganic salts that described molysite is iron content; Described alkali lye is the aqueous solution that NaOH, potassium hydroxide, lithium hydroxide configuration form; Described hydrogen peroxide is the aqueous hydrogen peroxide solution of percentage.
4. iron-based according to claim 1 is except thallium material and its preparation method and application, it is characterized in that described iron-based is except in the preparation method of thallium material, can, by controlling each raw material proportioning and the technological parameter in preparation process, obtain the alkali formula ferrous oxide serial iron-based different with di-iron trioxide ratio except thallium material.
5. iron-based according to claim 1 is except thallium material and its preparation method and application, it is characterized in that described iron-based can be directly except thallium material as the sorbing material of thallium ion in the aqueous solution, also can be by load, processing, form wire, cloth shape, bulk material, for the purification of water body thallium ion, remove.
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|---|---|---|---|
| CN201310572352.XA CN103599744A (en) | 2013-11-15 | 2013-11-15 | Iron-based thallium removal material as well as preparation method and application thereof |
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|---|---|---|---|
| CN201310572352.XA CN103599744A (en) | 2013-11-15 | 2013-11-15 | Iron-based thallium removal material as well as preparation method and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106946311A (en) * | 2017-05-25 | 2017-07-14 | 韶关市雅鲁环保实业有限公司 | A kind of thallium ion inorganic agent and waste water containing thallium processing method |
| CN108722349A (en) * | 2018-05-04 | 2018-11-02 | 广州大学 | The preparation method and applications of magnetic hydro-thermal charcoal |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999013465A1 (en) * | 1997-09-09 | 1999-03-18 | Hitachi, Ltd. | Information recording medium |
| CN102107903A (en) * | 2009-12-28 | 2011-06-29 | 中国科学院金属研究所 | Zinc oxide microtube dearsenifying material, and preparation method and application thereof |
-
2013
- 2013-11-15 CN CN201310572352.XA patent/CN103599744A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999013465A1 (en) * | 1997-09-09 | 1999-03-18 | Hitachi, Ltd. | Information recording medium |
| CN102107903A (en) * | 2009-12-28 | 2011-06-29 | 中国科学院金属研究所 | Zinc oxide microtube dearsenifying material, and preparation method and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| 张伟达等: "氢氧化***胶的制备及其热转变过程", 《陶瓷研究》 * |
| 陈永亨等: "广东北江铊污染的产生原因与污染控制对策", 《广州大学学报（自然科学版）》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106946311A (en) * | 2017-05-25 | 2017-07-14 | 韶关市雅鲁环保实业有限公司 | A kind of thallium ion inorganic agent and waste water containing thallium processing method |
| CN108722349A (en) * | 2018-05-04 | 2018-11-02 | 广州大学 | The preparation method and applications of magnetic hydro-thermal charcoal |
| CN108722349B (en) * | 2018-05-04 | 2020-12-01 | 广州大学 | Preparation method and application of magnetic hydrothermal carbon |
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Application publication date: 20140226 |
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