Powder metallurgy iron-based catalyzed internal electrolysis filler and preparation method thereof

Abstract

The invention relates to the powder metallurgy technology, in particular to powder metallurgy iron-based catalyzed internal electrolysis filler and a preparation method thereof. The powder metallurgy iron-based catalyzed internal electrolysis filler is obtained by weighing iron powder, activated carbon powder, copper powder and nickel powder which are each of a certain particle size according to weight percentage of all components, evenly mixing the powder and refining the powder into the nanometer scale through a ball milling method, pressing the powder into a green body of a certain shape through the compression molding process, putting the green body in an industrial mesh belt sintering furnace to be sintered and conducting natural cooling in the furnace. The technological process is simple, and compared with existing internal electrolysis filler, the prepared powder metallurgy filler has the advantages of being stable in electrochemical effect, high in processing efficiency, low in loss rate, high in material finished product rate and easy to process.

Description

technical field

[0001] The invention relates to a powder metallurgy catalytic internal electrolysis filler, in particular to an iron-based powder metallurgy filler for catalyzing an internal electrolysis reaction and a preparation method thereof. Background technique

[0002] Catalytic internal electrolysis is a sewage treatment technology developed from the principle of primary battery reaction. The catalytic internal electrolysis method can form a potential difference between the two electrodes without an external power source to generate an electrochemical reaction. Through the comprehensive action of microelectronics and non-stable ions, It effectively removes macromolecules, toxic and harmful substances, and biodegradable substances while improving the biodegradability of wastewater. It has the characteristics of wide application range, high treatment efficiency and easy operation. The iron-based catalytic internal electrolysis technology uses the iron-carbon internal e...

Examples

Embodiment 1

[0026] Preparation of powder metallurgy iron-based catalytic internal electrolytic filler and its treatment of coking wastewater

[0027] The powder metallurgy iron-based catalytic internal electrolytic filler whose composition is Fe3C0.2Cu0.2Ni (mass fraction, the same below) is prepared. The raw materials used are gas-atomized iron powder with a particle size of 100~200 mesh, activated carbon powder with a particle size of 100~200 mesh, and a particle size of 100~200 mesh. 200 mesh electrolytic copper powder, 100~200 mesh electrolytic nickel powder. The raw material powder is weighed according to the composition ratio, and the powder is placed in a high-energy ball mill for ball milling until the powder is refined to the nanometer scale. The ball mill pot and balls are all stainless steel, the mass ratio of ball to material is 10:1, the diameter of balls is 6, 10 and 15mm, the mass ratio is 1:4:1, the milling time is 20h, and the speed of ball mill is 210r / min. Put the unif...

Embodiment 2

[0030] Preparation of powder metallurgy iron-based catalytic internal electrolytic filler and its treatment of pulping wastewater

[0031] The powder metallurgy iron-based catalytic internal electrolytic filler whose composition is Fe3C0.2Cu0.2Ni is prepared. The raw materials used are gas atomized iron powder with a particle size of 100~200 mesh, activated carbon powder with a particle size of 100~200 mesh, electrolytic copper powder with a particle size of 100~200 mesh, and 100~200 mesh electrolytic nickel powder. The raw material powder is weighed according to the composition ratio, and the powder is placed in a high-energy ball mill for ball milling until the powder is refined to the nanometer scale. The ball mill pot and balls are all stainless steel, the mass ratio of ball to material is 10:1, the diameter of balls is 6, 10 and 15mm, the mass ratio is 1:4:1, the milling time is 20h, and the speed of ball mill is 210r / min. Put the uniformly mixed powder into a mold, and ...

Embodiment 3

[0034] Preparation of powder metallurgy iron-based catalytic internal electrolytic filler and its treatment of printing and dyeing wastewater

[0035] The powder metallurgy iron-based catalytic internal electrolytic filler whose composition is Fe3C0.2Cu0.2Ni is prepared. The raw materials used are gas atomized iron powder with a particle size of 100~200 mesh, activated carbon powder with a particle size of 100~200 mesh, electrolytic copper powder with a particle size of 100~200 mesh, and 100~200 mesh electrolytic nickel powder. The raw material powder is weighed according to the composition ratio, and the powder is placed in a high-energy ball mill for ball milling until the powder is refined to the nanometer scale. The ball mill pot and balls are all stainless steel, the mass ratio of ball to material is 10:1, the diameter of balls is 6, 10 and 15mm, the mass ratio is 1:4:1, the milling time is 20h, and the speed of ball mill is 210r / min. Put the uniformly mixed powder into ...

technical field

[0001] The invention relates to a powder metallurgy catalytic internal electrolysis filler, in particular to an iron-based powder metallurgy filler for catalyzing an internal electrolysis reaction and a preparation method thereof. Background technique

[0002] Catalytic internal electrolysis is a sewage treatment technology developed from the principle of primary battery reaction. The catalytic internal electrolysis method can form a potential difference between the two electrodes without an external power source to generate an electrochemical reaction. Through the comprehensive action of microelectronics and non-stable ions, It effectively removes macromolecules, toxic and harmful substances, and biodegradable substances while improving the biodegradability of wastewater. It has the characteristics of wide application range, high treatment efficiency and easy operation. The iron-based catalytic internal electrolysis technology uses the iron-carbon internal e...

Examples

Embodiment 1

[0026] Preparation of powder metallurgy iron-based catalytic internal electrolytic filler and its treatment of coking wastewater

[0027] The powder metallurgy iron-based catalytic internal electrolytic filler whose composition is Fe3C0.2Cu0.2Ni (mass fraction, the same below) is prepared. The raw materials used are gas-atomized iron powder with a particle size of 100~200 mesh, activated carbon powder with a particle size of 100~200 mesh, and a particle size of 100~200 mesh. 200 mesh electrolytic copper powder, 100~200 mesh electrolytic nickel powder. The raw material powder is weighed according to the composition ratio, and the powder is placed in a high-energy ball mill for ball milling until the powder is refined to the nanometer scale. The ball mill pot and balls are all stainless steel, the mass ratio of ball to material is 10:1, the diameter of balls is 6, 10 and 15mm, the mass ratio is 1:4:1, the milling time is 20h, and the speed of ball mill is 210r / min. Put the unif...

Embodiment 2

[0030] Preparation of powder metallurgy iron-based catalytic internal electrolytic filler and its treatment of pulping wastewater

[0031] The powder metallurgy iron-based catalytic internal electrolytic filler whose composition is Fe3C0.2Cu0.2Ni is prepared. The raw materials used are gas atomized iron powder with a particle size of 100~200 mesh, activated carbon powder with a particle size of 100~200 mesh, electrolytic copper powder with a particle size of 100~200 mesh, and 100~200 mesh electrolytic nickel powder. The raw material powder is weighed according to the composition ratio, and the powder is placed in a high-energy ball mill for ball milling until the powder is refined to the nanometer scale. The ball mill pot and balls are all stainless steel, the mass ratio of ball to material is 10:1, the diameter of balls is 6, 10 and 15mm, the mass ratio is 1:4:1, the milling time is 20h, and the speed of ball mill is 210r / min. Put the uniformly mixed powder into a mold, and ...

Embodiment 3

[0034] Preparation of powder metallurgy iron-based catalytic internal electrolytic filler and its treatment of printing and dyeing wastewater

[0035] The powder metallurgy iron-based catalytic internal electrolytic filler whose composition is Fe3C0.2Cu0.2Ni is prepared. The raw materials used are gas atomized iron powder with a particle size of 100~200 mesh, activated carbon powder with a particle size of 100~200 mesh, electrolytic copper powder with a particle size of 100~200 mesh, and 100~200 mesh electrolytic nickel powder. The raw material powder is weighed according to the composition ratio, and the powder is placed in a high-energy ball mill for ball milling until the powder is refined to the nanometer scale. The ball mill pot and balls are all stainless steel, the mass ratio of ball to material is 10:1, the diameter of balls is 6, 10 and 15mm, the mass ratio is 1:4:1, the milling time is 20h, and the speed of ball mill is 210r / min. Put the uniformly mixed powder into ...

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