Weak electric pulse activation-quenching agglomeration salt removal reactor for treating waste water

Abstract

The invention discloses a weak electric pulse activation-quenching agglomeration salt removal reactor for treating waste water. The reactor creatively utilizes the characteristic that inorganic saltsin an aqueous solution can be agglomerated in a pulverizing manner under a weak electric effect, when a low-voltage pulse current is applied to the waste water comprising high-concentration inorganicsalts, inorganic salt ions can agglomerate on the surface of a magnetized metal and can be converted into ion powder clusters which are high in specific surface energy and instable in thermodynamics,and when the aqueous solution is suddenly quenched in cold air, the ion powder clusters in the solution can be molecularly agglomerated and separated from the solution to form suspended solids, so that free enthalpy of the whole solution dispersion system can be reduced; and the salt molecules which are already agglomerated into suspended solids can be removed from the solution in a precipitationmanner in a low temperature state.

Description

technical field [0001] The invention relates to a weak electric pulse activation-quick cooling agglomeration desalination reactor for treating industrial waste water, which belongs to the waste water treatment field in environmental protection. Background technique [0002] In the context of global climate change and energy shortages, low-carbon economic development models based on low energy consumption, low pollution, and low emissions are being valued. The work of energy conservation and emission reduction bears a major responsibility. [0003] As the basic industry of my country's industrial development, the iron and steel industry has become an important force leading the world's iron and steel industry. The scale and development momentum of China's iron and steel industry have attracted worldwide attention. However, the iron and steel industry is both a major water user and a major pollutant discharger. With the rapid development of modern industry, problems such as s...

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Problems solved by technology

However, the electro-adsorption desalination technology also has shortcomings, such as the desalination efficiency needs to be further improved, and the self-regeneration time of the electrode is relatively long, generally accounting for one-third of the entire cycle, which affects the water production rate

[0015] At present, the existing methods for treating inorganic salts in iron and steel industry wastewater have problems such as large equipment footprint, frequent and complicated system operation and maintenance, low impact resistance, easy damage to equipment, low desalination efficiency, and secondary pollution.

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