CN105478086A - Preparation method of composite adsorbing material of industrial wastewater heavy metal ions - Google Patents

Preparation method of composite adsorbing material of industrial wastewater heavy metal ions Download PDF

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CN105478086A
CN105478086A CN201510990078.7A CN201510990078A CN105478086A CN 105478086 A CN105478086 A CN 105478086A CN 201510990078 A CN201510990078 A CN 201510990078A CN 105478086 A CN105478086 A CN 105478086A
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CN201510990078.7A
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王猛
纪轶
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淄博永辰环境影响评价有限公司
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    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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    • C—CHEMISTRY; METALLURGY
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    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Abstract

The invention discloses a preparation method of a composite adsorbing material of industrial wastewater heavy metal ions. The composite adsorbing material comprises a carrier, functional components and catalytic components. The preparation method comprises the steps of mixing and ball-milling all components of the carrier into a corresponding grain size and mixing, mixing and preparing all components of the functional components into a solution, preparing all components in the catalytic components into suspension liquid, selecting all components in parts by weight, mixing, diluting and stirring to obtain slurry, drying and then crashing. The composite adsorbing material provided by the invention has the advantages that the adsorbing effect is good, the cost is low and the preparation is simple.

Description

A kind of preparation method of composite adsorbing material of industrial wastewater heavy metal ion

Technical field

The invention belongs to field of environment protection, especially relate to a kind of preparation method of composite adsorbing material of industrial wastewater heavy metal ion.

Background technology

Along with the propelling of process of industrialization, the manufacturing industry of China obtains develop rapidly, but the industrialization development of China is also in the primary stage, the production of quite a lot of enterprise belongs to extensive and heavily contaminated type, as dyestuff, medicine, chemical industry, smelt, a large amount of waste water is created in the production processes such as plating, if the technology of environmental protection and Supervision Measures is not in place, above-mentioned discharge of wastewater is in environment, the high-enriched organics wherein contained and heavy metal ion bring serious disaster will to the mankind and ecological environment, so strict process must be carried out to industrial wastewater, current organic matter, process for treating heavy-metal waste water mainly contains Physical, chemical method, bioanalysis or several method coupling.Physical mainly comprises: membrane separation process, magnetic separation method and absorption method.Wherein absorption method utilizes surface to have some solids of porous as adsorbent, and when waste water and adsorbent contact, in waste water, one or several pollutants are attracted to the surface of solids thus reach the object of purification of waste water.In Industrial Wastewater Treatment, absorption method is mainly used as the advanced treating after pretreatment or biochemistry.The range of application of absorption method is relatively more extensive, does not have single-minded selective.But it is not thorough to there is absorption in current sorbing material, and preparation is complicated, and the problem that cost is high, seriously constrains the development of environmental protection process.

Summary of the invention

In order to solve the problems of the technologies described above, the invention provides a kind of preparation method of composite adsorbing material of industrial wastewater heavy metal ion, have advantages of good adsorption effect, cost is low, prepares simple advantage.

The technical scheme that the present invention is complete comprises:

A preparation method for the composite adsorbing material of industrial wastewater heavy metal ion, is characterized in that:

The composite adsorbing material of described industrial wastewater heavy metal ion comprises carrier, functional component and catalyst component, described carrier comprises bentonite and diatomaceous mixture, calcium carbonate, carbonate hydroxyapatite, active carbon, zeolite, attapulgite, also comprises the mixture of wood chip, sawdust, agricultural crop straw, and described functional component comprises: in aluminium chloride/aluminum sulfate one or both, ferrous sulfate, potassium permanganate, one or more in potassium sulfate/magnesium chloride, in sodium sulfite/sodium thiosulfate/sodium sulphate; Described catalyst component comprises: nanometer water and iron oxide and nano titanium oxide; Its preparation process comprises:

(1) diatomite and the diatomite mixture of choosing weight portion described in carrier send into ball mill, by ratio of grinding media to material (10-15): take out after 1 ball milling 2-10 hour, for subsequent use after sieving, choose the calcium carbonate of weight portion described in carrier, active carbon is by ratio of grinding media to material (10-15): take out after 1 ball milling 3-5 hour, for subsequent use after sieving, choose the carbonate hydroxyapatite of weight portion described in carrier, zeolite, attapulgite, first coarse crushing becomes the particle of 3-6mm, send into ball mill subsequently, selective oxidation zirconium abrading-ball, ratio of grinding media to material (10-15): 1, and add the dilute sulfuric acid accounting for abrasive material gross mass 0.1% carry out after ball milling 1-2 hour take out, leave standstill and sieve after 1 hour, choose the mixture of the wood chip of weight portion described in carrier, sawdust, agricultural crop straw, at 100-120 DEG C, dry 2h, send into ball mill, ratio of grinding media to material (10-15): take out after 1 ball milling 2-4 hour, for subsequent use after sieving,

(2) choose each component mixing of weight portion described in functional component, add deionized water, adjust pH value to obtain solution to 4.5-6.5 with dilute sulfuric acid;

(3) choose each component mixing of weight portion described in catalyst component, add deionized water, magnetic agitation obtains suspension in 30 minutes;

(4) by carrier: functional component: catalyst component=(10-20): (5-11): the weight ratio of (0.2-0.5) selects each composition, the suspension of catalyst component is added in functional component solution, add deionized water dilution, add each component of carrier successively, stir at 60-80 DEG C, become the slurry of water content 40%-60%, described slurry is left standstill 8-10 hour post-drying, after fragmentation, namely obtain composite adsorbing material.

The present invention relative to the advantage of prior art is: in carrier component, select wood chip that is cheap and that easily obtain, sawdust, agricultural crop straw is as key component, and in conjunction with other common porous material to increase support strength, and the reasonable setting of the granularity of each component, form the porous aggregate of the multistage distribution in aperture, there is very strong water imbibition and ion adsorption capacity, stable absorption can be carried out to the heavy metal in sewage and larger molecular organics, avoid its heavily stripping under acid or alkali environment, significantly reduce secondary pollution, both ensure that good adsorption effect, the prices of raw and semifnished materials are taken into account again, reduce production cost, functional component and catalyst component can play oxidation, intensified response speed and activity, stabilizing heavy metal ion, larger molecular organics is decomposed, avoid the harmful constituent after absorption again to leach, the stink of sewage can be removed simultaneously, regulate pH value, highly basic is avoided to work the mischief to environment.

Detailed description of the invention

Below in conjunction with detailed description of the invention, the present invention is further described:

A composite adsorbing material for industrial wastewater heavy metal ion, comprises carrier, and functional component and catalyst component, is characterized in that:

Carrier comprises by weight: bentonite and diatomaceous mixture 10-15 part, calcium carbonate 2-3 part, carbonate hydroxyapatite 1-2 part, active carbon 4-6 part, zeolite 4-6 part, attapulgite 1-2 part, comprise mixture 40-50 part of wood chip, sawdust, agricultural crop straw in addition, the particle diameter of wherein said bentonite and diatomite mixture is 0.1-0.2mm, the particle diameter of calcium carbonate, active carbon is 0.4-0.6mm, the particle diameter of carbonate hydroxyapatite, zeolite, attapulgite is 0.5-1mm, and the mixture particle diameter of described wood chip, sawdust, agricultural crop straw is 0.2-0.5mm;

Functional component comprises by weight: one or both in aluminium chloride/aluminum sulfate amount to 1-2 part, ferrous sulfate 1.5-2 part, potassium permanganate 1-3 part, one or both in potassium sulfate/magnesium chloride amount to 1-2 part, and one or more in sodium sulfite/sodium thiosulfate/sodium sulphate amount to 2-3 part; In described functional component, the granularity of each raw material is 0.1mm;

Catalyst component comprises by weight: nanometer water and iron oxide 0.5-1 part, nano titanium oxide 0.5-1 part; In described catalyst component, the granularity of nanometer water and iron oxide and nano titanium oxide is 50-200nm;

Each weight ratio of constituents in described composite adsorbing material is, carrier: functional component: catalyst component=(10-20): (5-11): (0.2-0.5).

The composite adsorbing material preparation method of industrial wastewater heavy metal ion is:

Carrier: diatomite and the diatomite mixture of choosing weight portion described in carrier send into ball mill, by ratio of grinding media to material (10-15): take out after 1 ball milling 2-10 hour, for subsequent use after sieving, choose the calcium carbonate of weight portion described in carrier, active carbon by ratio of grinding media to material (10-15): take out after 1 ball milling 3-5 hour, for subsequent use after sieving, choose the carbonate hydroxyapatite of weight portion described in carrier, zeolite, attapulgite, first coarse crushing becomes the particle of 3-6mm, send into ball mill subsequently, selective oxidation zirconium abrading-ball, ratio of grinding media to material

(10-15): 1, and add the dilute sulfuric acid accounting for abrasive material gross mass 0.1% carry out after ball milling 1-2 hour take out, leave standstill sieve after 1 hour; Choose the mixture of the wood chip of weight portion described in carrier, sawdust, agricultural crop straw, at 100-120 DEG C, dry 2h, send into ball mill, ratio of grinding media to material (10-15): take out after 1 ball milling 2-4 hour, for subsequent use after sieving;

Choose each component mixing of weight portion described in functional component, add deionized water, adjust pH value to obtain solution to 4.5-6.5 with dilute sulfuric acid;

Choose each component mixing of weight portion described in catalyst component, add deionized water, magnetic agitation obtains suspension in 30 minutes;

By carrier: functional component: catalyst component=(10-20): (5-11): the weight ratio of (0.2-0.5) selects each composition, the suspension of catalyst component is added in functional component solution, add deionized water dilution, add each component of carrier successively, stir at 60-80 DEG C, become the slurry of water content 40%-60%, described slurry is left standstill 8-10 hour post-drying, after fragmentation, namely obtain composite adsorbing material.

Claims (1)

1. a preparation method for the composite adsorbing material of industrial wastewater heavy metal ion, is characterized in that:
The composite adsorbing material of described industrial wastewater heavy metal ion comprises carrier, functional component and catalyst component, described carrier comprises bentonite and diatomaceous mixture, calcium carbonate, carbonate hydroxyapatite, active carbon, zeolite, attapulgite, also comprises the mixture of wood chip, sawdust, agricultural crop straw, and described functional component comprises: in aluminium chloride/aluminum sulfate one or both, ferrous sulfate, potassium permanganate, one or more in potassium sulfate/magnesium chloride, in sodium sulfite/sodium thiosulfate/sodium sulphate; Described catalyst component comprises: nanometer water and iron oxide and nano titanium oxide; Its preparation process comprises:
(1) diatomite and the diatomite mixture of choosing weight portion described in carrier send into ball mill, by ratio of grinding media to material (10-15): 1, preferred 12:1, take out after ball milling 2-10 hour, for subsequent use after sieving, choose the calcium carbonate of weight portion described in carrier, active carbon is by ratio of grinding media to material (10-15): take out after 1 ball milling 3-5 hour, for subsequent use after sieving, choose the carbonate hydroxyapatite of weight portion described in carrier, zeolite, attapulgite, first coarse crushing becomes the particle of 3-6mm, send into ball mill subsequently, selective oxidation zirconium abrading-ball, ratio of grinding media to material (10-15): 1, and add the dilute sulfuric acid accounting for abrasive material gross mass 0.1% carry out after ball milling 1-2 hour take out, leave standstill and sieve after 1 hour, choose the mixture of the wood chip of weight portion described in carrier, sawdust, agricultural crop straw, at 100-120 DEG C, dry 2h, send into ball mill, ratio of grinding media to material (10-15): take out after 1 ball milling 2-4 hour, for subsequent use after sieving,
(2) choose each component mixing of weight portion described in functional component, add deionized water, adjust pH value to obtain solution to 4.5-6.5 with dilute sulfuric acid;
(3) choose each component mixing of weight portion described in catalyst component, add deionized water, magnetic agitation obtains suspension in 30 minutes;
(4) by carrier: functional component: catalyst component=(10-20): (5-11): the weight ratio of (0.2-0.5) selects each composition, the suspension of catalyst component is added in functional component solution, add deionized water dilution, add each component of carrier successively, stir at 60-80 DEG C, become the slurry of water content 40%-60%, described slurry is left standstill 8-10 hour post-drying, after fragmentation, namely obtain composite adsorbing material.
CN201510990078.7A 2015-12-24 2015-12-24 Preparation method of composite adsorbing material of industrial wastewater heavy metal ions CN105478086A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105905990A (en) * 2016-04-29 2016-08-31 山西大学 Water purifying material and preparation method thereof
CN106040175A (en) * 2016-06-30 2016-10-26 安徽建筑大学 Carbonization straw/kieselguhr molecular sieve manganese-removing filtering material doped with nanometer hydroxy manganese oxide
CN107175067A (en) * 2017-06-09 2017-09-19 信阳师范学院 MnO2NaCl/ bentone adsorbents and preparation method and application
CN107176776A (en) * 2017-05-24 2017-09-19 上海海洋大学 A kind of powdered form and particulate form zirconium base passivator and preparation method thereof, application
CN108435137A (en) * 2018-03-16 2018-08-24 三峡大学 The support type reagent and preparation method of a kind of decoloration of hydrochloric acid and the removing of hydrochloric acid metal ion
CN108855006A (en) * 2018-07-04 2018-11-23 合肥帧讯低温科技有限公司 A kind of heavy metal absorbent
CN109289762A (en) * 2018-11-28 2019-02-01 常熟理工学院 A kind of preparation method of the manganese activation iron-based adsorbent of indefinite form
CN109289783A (en) * 2018-10-22 2019-02-01 北京科技大学 Utilize garlic stalk waste preparation arsenic removal compounding adsorbent material and application method

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CN1673109A (en) * 2005-02-28 2005-09-28 林金画 Recipe and prepn process of modified diatomite for treating waste water
CN101422720A (en) * 2008-11-24 2009-05-06 中国科学院生态环境研究中心 Absorption filtration dearsenication method based on in-situ composite metal oxides generation
CN104138748A (en) * 2014-08-07 2014-11-12 黄山学院 Compound biosorbent capable of greatly improving capability of adsorbing heavy metal by waste biomasses and preparation method thereof
CN104525123A (en) * 2014-12-12 2015-04-22 格丰科技材料有限公司 Porous composite material for removing heavy metals in soil and preparation method thereof

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CN86104970A (en) * 1986-07-29 1988-02-10 陈民 Waste material with cellulose prepares heavy metal chelating agent
CN1673109A (en) * 2005-02-28 2005-09-28 林金画 Recipe and prepn process of modified diatomite for treating waste water
CN101422720A (en) * 2008-11-24 2009-05-06 中国科学院生态环境研究中心 Absorption filtration dearsenication method based on in-situ composite metal oxides generation
CN104138748A (en) * 2014-08-07 2014-11-12 黄山学院 Compound biosorbent capable of greatly improving capability of adsorbing heavy metal by waste biomasses and preparation method thereof
CN104525123A (en) * 2014-12-12 2015-04-22 格丰科技材料有限公司 Porous composite material for removing heavy metals in soil and preparation method thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105905990A (en) * 2016-04-29 2016-08-31 山西大学 Water purifying material and preparation method thereof
CN106040175A (en) * 2016-06-30 2016-10-26 安徽建筑大学 Carbonization straw/kieselguhr molecular sieve manganese-removing filtering material doped with nanometer hydroxy manganese oxide
CN107176776A (en) * 2017-05-24 2017-09-19 上海海洋大学 A kind of powdered form and particulate form zirconium base passivator and preparation method thereof, application
CN107175067A (en) * 2017-06-09 2017-09-19 信阳师范学院 MnO2NaCl/ bentone adsorbents and preparation method and application
CN108435137A (en) * 2018-03-16 2018-08-24 三峡大学 The support type reagent and preparation method of a kind of decoloration of hydrochloric acid and the removing of hydrochloric acid metal ion
CN108855006A (en) * 2018-07-04 2018-11-23 合肥帧讯低温科技有限公司 A kind of heavy metal absorbent
CN109289783A (en) * 2018-10-22 2019-02-01 北京科技大学 Utilize garlic stalk waste preparation arsenic removal compounding adsorbent material and application method
CN109289762A (en) * 2018-11-28 2019-02-01 常熟理工学院 A kind of preparation method of the manganese activation iron-based adsorbent of indefinite form

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Application publication date: 20160413