School Sewage Treatment Works
Release time:
2024-06-25
The domestic sewage of the project is mainly the sewage used in the daily life of the school and all kinds of detergents, garbage, feces and all kinds of water in the canteen. The domestic sewage of the school contains mostly nitrogen, phosphorus and sulfur, with a small amount of oil. The domestic sewage treatment process generally determines the degree of sewage treatment and the corresponding treatment process according to the use or discharge of sewage and the natural purification capacity of the water body. The treated sewage is used for school lawn greening and washing.
Case analysis
CASE ANALYSIS
Product classification: Domestic sewage treatment engineering
Project name: Hunan a school sewage treatment
Pollution control type: daily life sewage treatment
Processing scale: daily processing capacity of 80 tons. Implementation standard: integrated primary emission standard
Treatment process: combined hydrolysis acidification and biological contact oxidation
Project introduction: the school domestic sewage treatment project, the water treatment of the project is 80m °/d, and the treatment effect reaches the national first-class discharge standard.
Characteristics and Difficulties of School Sewage Treatment
CHARACTERISTICS AND DIFFICULTIES OF SCHOOL SEWAGE TREATMENT
The domestic sewage of the project is mainly the sewage used in the daily life of the school and all kinds of detergents, garbage, feces and all kinds of water in the canteen. The domestic sewage of the school contains mostly nitrogen, phosphorus and sulfur, with a small amount of oil. The domestic sewage treatment process generally determines the degree of sewage treatment and the corresponding treatment process according to the use or discharge of sewage and the natural purification capacity of the water body. The treated sewage is used for school lawn greening and washing.
Solutions and technical features
SOLUTIONS AND TECHNICALFEATURES
According to the actual investigation of the school, the sewage of the school is mainly composed of daily water, washing, feces, daily washing water in the dormitory and canteen kitchen water. The technical group of our company decided to adopt the combination of hydrolysis acidification and living contact oxidation for the school, and formulated the corresponding process flow, which effectively solved the treatment problem of the daily domestic sewage of the school.
1. The combination of hydrolysis acidification and biological contact oxidation can effectively improve the treatment effect, and the treated water can meet the national emission standards
2. Less sludge is produced, the sludge produced at each stage can be returned and digested, and the final sludge is extracted regularly.
3, the process can be organically combined together, can be located under the surface of the underground, the surface can be built as a parking lot or green lawn, embellishing the surrounding environment.
4. The complete set of equipment has high automation. The fan, water pump and other equipment in the system operate automatically, reducing the operating workload. The equipment adopts effective measures to reduce noise and odor, and has no impact on the surrounding environment.
5. The effluent can be used again after advanced treatment.
Effect after treatment
THE EFFECT AFTER TREATMENT
The effluent quality of the sewage treatment system designed for the school is good, the main water quality indicators can meet the discharge standards, can well adapt to the unstable water quality of the influent, and the effluent of the system can reach the first level of comprehensive sewage discharge standards, which effectively solves the reality that the effluent color can not meet the standards. According to the actual requirements and design process, the combination of hydrolysis acidification and biological contact oxidation is used to improve water quality, meet the requirements of effluent standards and ensure the long-term stable operation of the sewage treatment system.
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