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Static, magnetic filed and chemical dosing united water treatment novel method

A water treatment and new method technology, applied in the field of electrostatic, magnetic field, chemical dosing combined water treatment, can solve the problems of limited scale inhibitor, high cost, low scale inhibition performance, etc., to achieve environmental friendliness, reduce dosage, improve The effect of scale inhibition rate

Inactive Publication Date: 2013-04-24
ENERGY RESOURCES INST HEBEI ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the water treatment chemicals currently on the market are phosphorus-containing and non-biodegradable, which are environmentally unacceptable pollutants; there are also some water treatment chemicals that are phosphorus-free and environmentally friendly, although these water treatment chemicals have no pollution. Phosphorus has the advantages of being environmentally friendly and biodegradable, but compared with the commonly used phosphorus-containing water treatment agents on the market, its scale inhibition performance is still low, which limits the practical application of these scale inhibitors; In technology, when chemical agents are used alone for scale inhibition, the amount of agents added is relatively high, the cost is high, and the impact of large amounts of agents on the environment is relatively large; if physical water treatment methods are used alone, such as electrostatic, magnetic field etc., the anti-scaling effect is not very good
However, there is no related technology that combines static electricity, magnetic field and chemical agents.

Method used

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  • Static, magnetic filed and chemical dosing united water treatment novel method
  • Static, magnetic filed and chemical dosing united water treatment novel method
  • Static, magnetic filed and chemical dosing united water treatment novel method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] When the electrostatic conditions and magnetic field conditions are: the flow rate of water passing through the electrostatic water processor is 200L / h, the electrostatic voltage is 5000V, and the electrostatic time is 1.0h; the flow rate of magnetized water is 180L / h, the magnetic field strength is 0.6T, and the magnetization time is 40min. Table 1.1 Resistance to CaCO under this condition 3 Performance studies, Table 1.2 for barrier Ca 3 (PO 4 ) 2 performance studies.

[0022] Table 1.1 Resistance to CaCO 3 performance research

[0023]

[0024] Table 1.2 Resistance to Ca 3 (PO 4 ) 2 performance research

[0025]

Embodiment 2

[0027] When the electrostatic conditions and magnetic field conditions are: the flow rate of water passing through the electrostatic water processor is 400L / h, the electrostatic voltage is 3000V, and the electrostatic time is 1.0h; the flow rate of magnetized water is 120L / h, the magnetic field strength is 0.6T, and the magnetization time is 20min. Table 2.1 Resistance to CaCO under this condition 3 Performance studies, Table 2.2 for barrier Ca 3 (PO 4 ) 2 performance studies.

[0028] Table 2.1 Resistance to CaCO 3 performance research

[0029]

[0030] Table 2.2 Resistance to Ca 3 (PO 4 ) 2 performance research

[0031]

Embodiment 3

[0033] When the electrostatic conditions and magnetic field conditions are: the flow rate of water passing through the electrostatic water processor is 400L / h, the electrostatic voltage is 7000V, and the electrostatic time is 2.0h; the flow rate of magnetized water is 120L / h, the magnetic field strength is 0.7T, and the magnetization time is 40min. Table 3.1 Resistance to CaCO under this condition 3 Performance studies, Table 3.2 for barrier Ca 3 (PO 4 ) 2 performance studies.

[0034] Table 3.1 Resistance to CaCO 3 performance research

[0035]

[0036]

[0037] Table 3.2 Resistance to Ca 3 (PO 4 ) 2 performance research

[0038]

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Abstract

The invention discloses a static, magnetic filed and chemical dosing united water treatment novel method. The method comprises the following steps: firstly, treating raw water by virtue of a static water processor for a period of time to obtain static water; in the process, carrying out static water treatment by using different static water treatment time, different water flows by the static water processor and different static voltages; and then, treating the static water by utilizing a water magnetizer, magnetizing the water by using different magnetizing time, different magnetizing water flows and different intensities of the magnetic fields, and then, adding different ESA / AMPS copolymers for scale inhibition test research to calcium carbonate and calcium phosphate. The scale inhibition rate of the ESA / AMPS copolymer obtained is the scale inhibition rate coordinated by static, magnetic filed and ESA / AMPS copolymers.

Description

technical field [0001] The invention belongs to the technical field of water treatment, and in particular relates to a new method for water treatment combined with static electricity, magnetic field and chemical dosing. Background technique [0002] There are two methods of industrial circulating cooling water treatment: chemical dosing and physical water treatment. Among industrial water treatment chemicals, scale inhibitors are commonly used in the largest amount, which is of great significance to prevent scale inhibition of equipment, reduce energy consumption, prolong equipment life, and ensure safe operation of equipment. Most of the water treatment chemicals currently on the market are phosphorus-containing and non-biodegradable, which are environmentally unacceptable pollutants; there are also some water treatment chemicals that are phosphorus-free and environmentally friendly, although these water treatment chemicals have no pollution. Phosphorus has the advantages ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/12C02F5/10
Inventor 刘振法张利辉杨莉丽李海花刘展
Owner ENERGY RESOURCES INST HEBEI ACADEMY OF SCI
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