Basic project information:

Party A: Hefei * * Photovoltaic Technology Co., Ltd

Engineering Company: Overall Subcontracting

Start time: October 10, 2023

End time: December 31, 2023

Project duration and location: 81 days/Hefei

Acceptance criteria: fluoride removal, required to be less than 1mg/l

Project effect:

Inlet water: 8mg/L

Water volume: 190m ³/h

Small scale test water: ≤ 0.1mg/L

Process and product information:

Process adopted: Fluorine containing wastewater → Primary+Secondary chemical mixing → Deep fluorine removal system

Process principle: Special defluorination composite material

Process features: Long regeneration cycle, resistant to interference from anions such as chloride ions and sulfate ions

Model: Special defluorination composite material

Dosage: 27m ³

Usage: Two in one backup

Running status:

Phase 1, 2 months: Debugging will be conducted on January 5th

Stage 2: 5 months: Stable fluoride concentration in effluent ≤ 1mg/L

Stage 3 for 9 months: Stable fluoride concentration in effluent ≤ 1mg/L