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Catalyst, preparation method and application thereof for electrolysis of wastewater produced by lincomycin

A technology for lincomycin and production waste water, which is applied in chemical instruments and methods, physical/chemical process catalysts, chemical elements of heterogeneous catalysts, etc. The problems of long time consumption and poor catalytic effect of catalysts can achieve the effect of shortening electrolysis time, low manufacturing cost and reducing energy consumption.

Active Publication Date: 2018-09-25
丁昊怡
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Fly ash is fine ash collected from the flue gas after coal combustion. Fly ash is the main solid waste discharged from coal-fired power plants. If it is discharged into the water system, it will cause river silting, and the toxic chemicals in it will also affect Harm to the human body and organisms, and fly ash can be used as an admixture for concrete; red mud is a muddy strong alkaline solid waste with high water content discharged during the alumina smelting process, mainly composed of fine-grained mud and coarse-grained The composition of sand; these three kinds of industrial solid wastes are not well utilized, which is wasteful and pollutes the environment
[0008] The catalysts used in the electrolysis of lincomycin production wastewater in the prior art have the following defects: 1. The catalytic effect of the catalyst is poor, and the degradation of lincomycin production wastewater takes a long time; 2. The cost is high

Method used

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  • Catalyst, preparation method and application thereof for electrolysis of wastewater produced by lincomycin
  • Catalyst, preparation method and application thereof for electrolysis of wastewater produced by lincomycin
  • Catalyst, preparation method and application thereof for electrolysis of wastewater produced by lincomycin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Example 1 A Catalyst for the Electrolysis of Lincomycin Production Wastewater

[0047] The catalyst includes the following raw materials: alkali slag, red mud, iron compound, manganese, fly ash, clay;

[0048] The parts by weight of each raw material of catalyst are:

[0049] 1250 parts of alkali residue, 430 parts of fly ash, 500 parts of red mud, 125 parts of manganese, 320 parts of iron compound, and 350 parts of clay;

[0050] Described fly ash: carbon content is 30%;

[0051] The iron compound is: ferric oxide;

[0052] Described alkali slag:

[0053] The waste residue produced in the process of preparing soda ash Na2CO3 by Hou's soda production method, the composition of alkali residue includes: 40%CaCO 3 , 10% CaSO 3 , 15% CaO, 15% CaCl 2 , 10%Mg(OH) 2 , 10%SiO2 2 ;

[0054] The composition of the red mud includes: 12% SiO 2 , 24%CaO, 3%Fe 2 o 3 , 30%Al 2 o 3 , 6%MgO;

[0055] The clay composition includes: 30% SiO 2 , 16% CaCO 3 , 13%Al 2 o 3 ...

Embodiment 2

[0075] Example 2 A Catalyst for the Electrolysis of Lincomycin Production Wastewater

[0076] The catalyst includes the following raw materials: alkali slag, red mud, iron compound, fly ash, manganese, clay;

[0077] The parts by weight of each raw material of catalyst are:

[0078] 1300 parts of alkali residue, 340 parts of iron compound, 530 parts of red mud, 425 parts of fly ash, 325 parts of clay, and 120 parts of manganese;

[0079] Described fly ash: carbon content is 45%;

[0080] The iron compound is: ferric oxide;

[0081] Described alkali slag:

[0082] The waste residue produced in the process of preparing soda ash Na2CO3 by Hou's soda production method, the composition of alkali residue includes: 40%CaCO 3 , 10% CaSO 3 , 15% CaO, 15% CaCl 2 , 10%Mg(OH) 2 , 10%SiO2 2 ;

[0083] The composition of the red mud includes: 12% SiO 2 , 24%CaO, 3%Fe 2 o 3 , 30%Al 2 o 3 , 6%MgO;

[0084] The clay composition includes: 30% SiO 2 , 16% CaCO 3 , 13%Al 2 o 3 ...

Embodiment 3

[0095] Example 3 A Catalyst for the Electrolysis of Lincomycin Production Wastewater

[0096] The catalyst includes the following raw materials: alkali slag, iron compound, red mud, manganese, fly ash, clay;

[0097] The parts by weight of each raw material of catalyst are:

[0098] 1300 parts of alkali slag, 325 parts of iron compound, 450 parts of fly ash, 130 parts of manganese, 520 parts of red mud, 335 parts of clay;

[0099] The red mud can be used directly without dealkalization process;

[0100] Described fly ash: carbon content is 45%;

[0101] Described iron compound is ferric oxide;

[0102] Described alkali slag:

[0103] The waste residue produced in the process of preparing soda ash Na2CO3 by Hou's soda production method, the composition of alkali residue includes: 40%CaCO 3 , 10% CaSO 3 , 15% CaO, 15% CaCl 2 , 10%Mg(OH) 2 , 10%SiO2 2 ;

[0104] The composition of the red mud includes: 12% SiO 2 , 24%CaO, 3%Fe 2 o 3 , 30%Al 2 o 3 , 6%MgO;

[0105]...

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Abstract

The invention provides a catalyst used for lincomycin production wastewater electrolysis, a preparation method and application thereof. The catalyst comprises the following components: caustic residues, red mud, manganese, iron compound, coal ash and clay. The preparation method comprises the following steps: solidification and activation, wherein a solidification temperature is 150-200DEG C, solidification time is 2-6 hours, an activation temperature is 500-650DEG C, and activation time is 4-6 hours. According to the catalyst, the efficiency of electrolyzing lincomycin production organic wastewater is obviously improved.

Description

technical field [0001] The invention relates to a catalyst for electrolysis of waste water, a preparation method and its application, in particular to a catalyst, a preparation method and its application for the electrolysis of waste water produced by lincomycin, and belongs to the technical field of environmental protection. Background technique [0002] Antibiotic production wastewater is a kind of high-concentration organic wastewater that is difficult to degrade. Lincomycin production wastewater is a kind of antibiotic wastewater that is difficult to degrade. It has complex components and high concentration of organic matter; Lambert-positive bacteria have strong antibacterial ability, which makes biological treatment more difficult. In addition, there are physical and chemical methods, mainly including coagulation method, electrolysis method, air flotation method, photodegradation method, etc. [0003] In the existing literature, "Lincomycin Wastewater Treatment Process...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J23/78B01J27/232C02F1/461C02F1/72C02F103/36
CPCB01J23/002B01J23/78B01J27/232B01J2523/00C02F1/4672C02F2103/343B01J2523/22B01J2523/23B01J2523/31B01J2523/41B01J2523/842
Inventor 丁昊怡刘铭皓于月光
Owner 丁昊怡
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