Method for treating black and odorous river water

Abstract

The invention discloses a method for treating black and odorous river water. Particularly, a compound efficient environment-friendly water purifying agent is adopted and is compounded and added according to a certain proportion according to the pollution degree grade and the pollutant complexity of black and odorous river water, the water purifying agent has multiple effects of adsorption, flocculation, catalytic oxidation, decoloration, deodorization, solidification and the like, and the treated black and odorous river water is obviously improved; the agent mainly comprises the following components in parts by mass: 1-5 parts of zero-valent iron; 5-15 parts of potassium persulfate; 5-10 parts of zinc oxide; 20-50 parts of polyaluminium sulfate; 5-10 parts of quick lime; 10-30 parts of attapulgite clay; 5-15 parts of fly ash; 10-25 parts of cement. The water purifying agent is generally added in a wet mode according to 100-500 mg / L, the adaptability is high, the continuous decolorationand deodorization effects are achieved, the effect taking speed is high, and water in the pollution degree can be added multiple times in batches.

Description

technical field [0001] The invention belongs to the field of ecological environment protection, and in particular relates to a method for treating black and odorous river water. Background technique [0002] Urban black and smelly water is a water environment problem that people strongly report, which not only damages the urban living environment, but also seriously affects the image of the city. Traditional river water pollution control often uses water diversion and drainage, mechanical salvage, planting aquatic plants, fish farming, and microbial input. In the process of application, the above methods have disadvantages such as ineffective effects, high treatment costs, and treating symptoms but not the root cause. Contents of the invention [0003] Aiming at the deficiencies of the existing treatment technology, the purpose of the present invention is to propose a treatment method with obvious treatment effect, simple operation and economical feasibility, specifically ...

AI Technical Summary

Problems solved by technology

Traditional river water pollution control often uses water diversion and drainage, mechanical salvage, planting aquatic plants, fish farming, microbial input, etc. In the application process, the above methods have disadvantages such as ineffective effects, high treatment costs, and temporary solutions.