Multistage ferric-carbon microelectrolysis coupled Fenton oxidation bed reactor

An iron-carbon micro-electrolysis and reactor technology, applied in the field of water treatment, can solve the problems of substandard total nitrogen and chromaticity, unsatisfactory removal of organic pollutants, etc.

Active Publication Date: 2014-06-25
HUAQI ENVIRONMENT PROTECTION SCI & TECH
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a multi-stage iron-carbon micro-electrolysis coupled Fenton oxidation bed reactor to solve the unsatisfactory removal effect of the traditional coking wastewater treatment process on...

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  • Multistage ferric-carbon microelectrolysis coupled Fenton oxidation bed reactor

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Embodiment Construction

[0013] The specific embodiments of the present invention will be described in detail in conjunction with the accompanying drawings.

[0014] A multi-stage iron-carbon micro-electrolysis coupled Fenton oxidation bed reactor, including a lifting pump 1, a water inlet pipe 2, a hydrogen peroxide dosing device 3, a water inlet pipe mixer 4, a water distribution chamber 5, and a multi-stage iron-carbon micro-electrolysis reactor Electrolytically coupled Fenton oxidation bed reactor body 6, refueling port 7, elemental iron and granular activated carbon mixture layer 8, effluent clarification area 9, sieve plate water distribution system 10, sludge discharge port 15, reactor outlet channel 16, The outlet pipe 18 and the sedimentation tank, the sedimentation tank includes a sedimentation tank body 21, an outlet pipe 22 and a mud discharge pipe 23, one end of the water inlet pipe is connected with the raw water of coking wastewater and the outlet water after the conventional common biol...

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Abstract

The invention discloses a multistage ferric-carbon microelectrolysis coupled Fenton oxidation bed reactor. The multistage ferric-carbon microelectrolysis coupled Fenton oxidation bed reactor is characterized by comprising a lifting water pump, a water inlet pipeline, a hydrogen peroxide dosing device, a water inlet pipeline mixer, a water distribution chamber, a multistage ferric-carbon microelectrolysis coupled Fenton oxidation bed reactor body, a material taking and replacing port, an elemental iron and granular activated carbon mixture layer, an outlet water clarification zone, a sieve plate water distribution system, a sludge discharging opening, a reactor draining ditch, a water outlet pipe and a precipitation tank, wherein the precipitation tank comprises a precipitation tank body, a water outlet pipeline and a sludge discharging pipeline. According to the multistage ferric-carbon microelectrolysis coupled Fenton oxidation bed reactor disclosed by the invention, the problems of the traditional coking wastewater treatment processes that COD (Chemical Oxygen Demand), ammonia nitrogen, total nitrogen and chromaticity in outlet water do not reach the standards and the like due to the fact that the effect of removal of refractory and complicated organic pollutants is not ideal are solved, and the treatment on refractory polycyclic and heterocyclic organic substances and toxic and harmful substances in wastewater is extremely effective.

Description

technical field [0001] The invention belongs to the technical field of water treatment, and in particular relates to a multi-stage iron-carbon micro-electrolysis coupled Fenton oxidation bed reactor. Background technique [0002] Coking wastewater is a kind of refractory wastewater containing a large amount of oil, phenol, ammonia nitrogen and other harmful and toxic substances produced during the coal coking process. This type of wastewater has the characteristics of complex composition and high concentration of pollutants. In addition to 85% phenolic compounds, its organic components also include aliphatic compounds, polycyclic aromatic hydrocarbons (PAHs) and heterocyclic compounds containing oxygen, nitrogen, and sulfur elements. Wait. The discharge of organic pollutants into the water will consume the dissolved oxygen in the water, which will eventually lead to the lack of oxygen in the water body and cause the aquatic animals in the water to be unable to breathe and d...

Claims

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Application Information

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IPC IPC(8): C02F9/06
Inventor 郑俊张德伟
Owner HUAQI ENVIRONMENT PROTECTION SCI & TECH
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