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Calcium carbide used as water phosphorus removal filter material and preparation method thereof

A technology of electrochemical fossils and fossils, which is applied in the field of electrochemical fossils and its preparation, can solve the problems of expensive processing equipment, short effective operation time, and high cost of anaerobic sintering, so that it is not limited by site conditions and reduces processing costs and costs. low effect

Active Publication Date: 2016-12-14
上海润溪环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this type of composition for inhibiting algae growth has the following disadvantages: the ingredients are expensive, the treatment process equipment is expensive, and the cost of anaerobic sintering is too high; metal elements are easily oxidized and passivated in an environment with water and oxygen, requiring frequent acid Washing and regenerating, the effective running time is short, the immediate effect is short, and it is not easy to popularize and use

Method used

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preparation example Construction

[0050] The technical solution of the present invention is a kind of electrochemical stone used as a water body phosphorus removal filter material and its preparation method, specifically comprising:

[0051] In the first aspect, the present invention provides a kind of electrochemical stone as a filter material for dephosphorization of water bodies, the components and volume ratio are:

[0052] Metal material 0.5~30%;

[0053] Binder 0.5~80%;

[0054] Activator 1~40%;

[0055] Catalyst 0.5~15%.

[0056]In a preferred embodiment of the present invention, the above-mentioned metal material is at least one of iron, aluminum, and magnesium; the above-mentioned binder is at least one of cement, refined earth, water glass, activated carbon, and coke; the above-mentioned activator It is at least one of strong acid salts of iron, aluminum, magnesium, zinc and copper, more specifically, the above-mentioned activator is at least one of ferrous sulfate and aluminum sulfate; the above-...

Embodiment 1

[0070] The electrochemical stone component and volume ratio of the present invention as water body dephosphorization filter material are:

[0071] Metal material: iron powder 10~20%;

[0072] Binder: cement 10~20%, refined soil 5~10%, water glass 5~10%, activated carbon or coke 10~20%;

[0073] Activator: 10~30%;

[0074] Catalyst: supporting metal copper 5~7%;

[0075] The preparation method of the filter material that is used for water body dephosphorization of the present invention comprises:

[0076] Step 1: Add an external power supply, and the electrodes are made of non-metallic materials, which are in the state of particles, accompanied by air stirring. The electrolyte (that is, copper-containing wastewater) flows between the granular electrodes, and an electrode reaction (ie, the reduction of copper ions) occurs on the surface of the granular electrodes. At the end of the reaction, the electrons obtained by the copper ions become copper elements, which are adsorbed...

Embodiment 2

[0082] Electrochemical stone components and volume ratios of the present invention as water body phosphorus removal filter material

[0083] Metal material: aluminum powder 5~10%;

[0084] Binder: cement 10~20%, refined soil 5~10%, water glass 5~10%, activated carbon or coke 10~20%;

[0085] Activator: 10~30%;

[0086] Catalyst: supporting metal copper 5~7%;

[0087] The preparation method of the filter material used for phosphorus removal in water body of the present invention is the same as that of Embodiment 1.

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Abstract

The invention relates to calcium carbide used as a water phosphorus removal filter material and a preparation method of the calcium carbide. The calcium carbide is prepared from, by volume, 0.5-30% of metal materials, 0.5-80% of binding agent, 1-40% of activating agent and 0.5-15% of catalyst. The preparation method of the filter material comprises the steps that the components of the filter material are subjected to micronization and nanocrystallization treatment, and the fineness of the components is not smaller than 300 mesh after micronization and nanocrystallization treatment; the components subjected to micronization and nanocrystallization treatment are mixed to be uniform; the evenly-mixed material is subjected to sintering-free extrusion (hydraulic) molding; the molded product is maintained, dried and packaged. Compared with the prior art, the problems of metal passivation, high cost and lack of timeliness in phosphorus removal methods are well solved.

Description

technical field [0001] The invention relates to a filter material, in particular to an electrochemical stone used as a water body phosphorus removal filter material and a preparation method thereof. Background technique [0002] "Water eutrophication" is already one of the culprits of environmental pollution. The ever-growing production and life activities of human beings provide abundant N and P nutrient sources to water bodies—that is, eutrophication, which results in the excessive reproduction of algae. Especially phosphorus, algae removal focuses on phosphorus removal, that is, landscape water purification focuses on phosphorus removal. [0003] Phosphorus removal methods include physical and chemical methods, biochemical methods, biological methods and natural treatment. Physicochemical methods commonly use chemical precipitation, ion exchange, electrolytic air flotation, adsorbent adsorption, and deep filtration, etc., but such methods are costly, cumbersome to opera...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/463
CPCC02F1/463C02F2201/46Y02W10/37
Inventor 王忠诚李云宁
Owner 上海润溪环保科技有限公司
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