Project Name: China Coal Mengda
Project process: pretreatment + air flotation + flocculation sedimentation
Water yield: 4000m 3/ h
Water source: coal mine water
Water quality: high content of suspended solids
Service time: October 2021
System operating conditions
Polyacrylamide test report of Shandong Dahu New Material Co., Ltd
1. Experimental principle
Take water from the mine water regulating tank, add polyaluminium chloride, add dissolved and diluted anionic polyacrylamide, and observe its sedimentation rate, floc production and size, floc sedimentation rate and supernatant clarification.
2. Experimental reagent
3. Experimental steps
Take 500ml of mine water, add polyaluminium chloride, stir for 30s, and then add anionic polyacrylamide; According to the dosage of 3ppm, it is added to the water added with polyaluminium chloride. The results are shown in the figure
4. Experimental results:
Anionic polyacrylamide and polyaluminium chloride have obvious solid-liquid separation surface, the upper water is clear, the reagent matches the on-site water quality and can meet the needs of on-site production.
Polyaluminium chloride and anionic polyacrylamide of Shandong Dahu New Material Co., Ltd. operate well in coal mine wastewater, effectively remove suspended solids in the water and ensure that the effluent quality meets the environmental protection operation specified by the state.
Real scene of the project site