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Sewage advanced treatment process based on three-dimensional porous electrode packing

A three-dimensional porous and advanced treatment technology, which is applied in water/sewage treatment, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problem that the effluent is difficult to meet the standard stably, and the effect of serial biochemical treatment processes is weak and biochemical. Poor performance and other problems, to ensure long-term stable operation, good removal effect, easy disposal effect

Active Publication Date: 2021-12-21
SHANDONG JIANZHU UNIV
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Problems solved by technology

[0002] Sewage discharge standards are becoming more and more stringent. After secondary biochemical treatment in sewage treatment plants, the effluent has poor biodegradability. Continued serial biochemical treatment processes have little effect, and the effluent is difficult to meet the standards stably. It is necessary to choose high-efficiency, broad-spectrum, low-cost, and strong shock load resistance. advanced oxidation process to reduce the soluble refractory organic pollutants and total phosphorus in the effluent, and finally realize the stable and up-to-standard discharge of COD and total phosphorus in the effluent of the sewage treatment plant

Method used

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Embodiment Construction

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0041] see Figure 1 to Figure 2 , the present invention provides a technical solution: a sewage advanced treatment process based on a three-dimensional porous electrode filler, comprising the following steps:

[0042] S1. Aeration system for three-dimensional porous electrode packing for sewage treatment:

[0043] After secondary biochemical treatment or sewage that needs to be pretreated enters the aeration system with three-dimensional porous electrode fillers, and applies voltage to the positive and negative electrode plates through a DC power supply. Under the action, active species are generated, and the catalytic oxidation porous filler filled in the middle o...

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Abstract

The invention discloses a sewage advanced treatment process based on a three-dimensional porous electrode filler, relates to the technical field of sewage advanced treatment, and specifically relates to a sewage advanced treatment process based on a three-dimensional porous electrode filler, comprising the following steps: S1, exposure of the three-dimensional porous electrode filler for sewage treatment Gas system; S2, multi-stage electrocatalytic oxidation of the first-level system; S3, arrangement of electrode plates; S4, ratio of three-dimensional electrode filler; S5, electrocatalytic oxidation and biochemical reaction of electrocatalytic unit; S6, repeated sewage treatment; S7 , Sewage coagulation sedimentation or filtration treatment. Beneficial effects of the sewage advanced treatment process based on three-dimensional porous electrode filler: continuous multi-level three-dimensional electrode filler electrocatalytic coupled biochemical reaction technology can be applied to advanced treatment of high, medium and low concentration industrial wastewater or municipal sewage, with strong load resistance Impact capability, efficient removal capability, low operating cost and other advantages.

Description

technical field [0001] The invention relates to the technical field of advanced sewage treatment, in particular to an advanced sewage treatment process based on three-dimensional porous electrode fillers. Background technique [0002] Sewage discharge standards are becoming more and more stringent. After secondary biochemical treatment in sewage treatment plants, the effluent has poor biodegradability. Continued serial biochemical treatment processes have little effect, and the effluent is difficult to meet the standards stably. It is necessary to choose high-efficiency, broad-spectrum, low-cost, and strong shock load resistance. The advanced oxidation process is used to reduce the soluble refractory organic pollutants and total phosphorus in the effluent, and finally realize the stable and up-to-standard discharge of COD and total phosphorus in the effluent of the sewage treatment plant. [0003] The continuous multi-level three-dimensional electrode filler electrocatalysis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14C02F101/10C02F101/30
CPCC02F9/00C02F1/4672C02F7/00C02F3/02C02F1/46109C02F3/005C02F2101/30C02F2101/105C02F1/001C02F2001/007C02F1/52
Inventor 刘汝鹏成小翔武道吉罗从伟
Owner SHANDONG JIANZHU UNIV
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