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Bamboo charcoal-photosynthetic bacteria-constructed wetland integrated sewage treatment system

A sewage treatment system and photosynthetic bacteria technology, applied in water/sewage treatment, biological water/sewage treatment, adsorbed water/sewage treatment, etc. The effect of improving the purification effect and increasing the contact area

Pending Publication Date: 2021-06-04
GUILIN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods use bamboo charcoal to immobilize aerobic microorganisms or a mixed flora of aerobic and anaerobic microorganisms, which requires aeration during sewage treatment, which increases treatment costs
At the same time, in the process of cultivating the mixed flora, due to the nutrient and space competition among the various strains, the growth of some strains is inhibited and other shortcomings, which affect the sewage treatment effect
Using activated bamboo charcoal to absorb photosynthetic bacteria to treat sewage has not been reported in China.

Method used

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  • Bamboo charcoal-photosynthetic bacteria-constructed wetland integrated sewage treatment system
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  • Bamboo charcoal-photosynthetic bacteria-constructed wetland integrated sewage treatment system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0038] Such as figure 1 As shown, the bamboo charcoal-photosynthetic bacteria-constructed wetland integrated sewage treatment system includes a zeolite zone 7 and an adsorption treatment system. The adsorption treatment system is composed of a first chamber 10 and a second chamber 11 that are independent of each other. The first The chamber 10 communicates with the second chamber 11 through the second water inlet 5 provided at the upper end.

[0039] Such as figure 1 As shown, at the upper end of the zeolite area 7 there is a first water inlet 8 for waste water to enter the system, and then at the bottom of the zeolite area 7 there is a third water inlet 9 communicating with the first chamber 10 . At the same time, the zeolite zone 7 and the adsorption treatment system are set independently, and the zeolite zone 7 and the adsorption treatment system can be separated according to actual usage conditions, so that the two can work independently.

[0040] Such as figure 1 As sh...

experiment example

[0049] 1. Using the composite system prepared by this application to treat wastewater containing heavy metal components for 36 hours, the COD content in 100kg of wastewater is 460.5mg / L, BOD 5 content of 605.7mg / L, ammonia nitrogen content of 22.3mg / L, phosphorus content of 6.4mg / L, Cu content of 12.6mg / L, and Cd content of 5.8mg / L; , and the combination of bamboo charcoal + photosynthetic bacteria as the control group, the results of the treatment of wastewater in the experimental group and the control group are shown in Table 1.

[0050] Table 1 Wastewater Treatment Results

[0051]

[0052] From the data in Table 1, it can be known that the application uses modified bamboo charcoal, photosynthetic bacteria and Li Shihe to construct a sewage treatment system, and also forms a microbial fuel cell during sewage treatment, so that the system constructed by this application can be used in About 36 hours can effectively remove COD, nitrogen, phosphorus, cadmium, copper and ot...

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Abstract

The invention discloses a bamboo charcoal-photosynthetic bacteria-constructed wetland integrated sewage treatment system. The treatment system comprises a zeolite area and an adsorption treatment system which are detachably connected; the adsorption treatment system comprises a first chamber and a second chamber which communicate with each other; the zeolite area communicates with the first chamber; and each of the first chamber and the second chamber is sequentially provided with leersia hexandra, an organic matter adsorption layer, a common adsorption layer and a substrate layer from top to bottom. The Leersia hexandra is used as an aquatic plant in a constructed wetland system, the Leersia hexandra is matched with modified bamboo charcoal loaded with photosynthetic bacteria, and a microbial battery is formed by the modified bamboo charcoal adsorbing the photosynthetic bacteria and the bamboo charcoal, so that toxic and harmful components in wastewater can be effectively removed, the sewage treatment time is shortened, the purpose of purifying wastewater is effectively achieved, meanwhile, the compound system can be separated according to actual conditions, and each part can be independently applied to different conditions for sewage treatment.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, and in particular relates to a bamboo charcoal-photosynthetic bacteria-constructed wetland integrated sewage treatment system. Background technique [0002] Domestic sewage is a general term for all kinds of sewage produced by people's daily water use. It mainly includes washing water, flushing water, excrement water, etc. In addition to household sewage discharge, there is also sewage discharge from collective units, enterprises and institutions. The main characteristics of sewage are as follows: 1. Contains a variety of bacteria, viruses, etc., which are easy to infect diseases; 2. High content of nitrogen, phosphorus, sulfur, etc.; 3. Contains sugar, starch, cellulose, urea, etc. Substances that produce bad odor; 4. Contain heavy metals such as copper and cadmium; 5. Contain drugs and personal care products (PPPCS); 6. The residual amount of disinfection by-products (DBPS) commonly u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F1/28C02F3/32C02F3/34C02F101/20C02F101/22
CPCC02F9/00C02F3/327C02F3/34C02F2101/20C02F2101/22C02F1/283
Inventor 林华张伟王义安覃辉
Owner GUILIN UNIVERSITY OF TECHNOLOGY
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