Introduction to Magnetic Concrete Technology:
Magnetic coagulation sedimentation is a new type of water treatment device. It operates by introducing magnetic particles (magnetic powder) into the high-efficiency flocculation sedimentation pool water purification process. Through mechanisms such as flocculation, attraction adsorption, charge adsorption, bridging, and netting, it effectively combines algae, fine suspended particles, colloids, bacteria, and other insoluble pollutants in the water with the magnetic particles (with a specific gravity of 5.2), forming magnetic flocs of larger volume and density. This enhances the coagulation effect, enabling the capture of even smaller particle size pollutants. The sedimentation is quick, resulting in excellent water purification and clear, transparent effluent. The sludge from the sedimentation pool is pumped to a magnetic powder sludge separation system for recycling the magnetic powder, while the separated sludge is discharged into a sludge pond for dewatering treatment.
Advantages of Magnetic Concrete Technology:
High-efficiency deep purification, superior performance (higher processing capacity than any existing purification process), outperforming high-efficiency inclined plate sedimentation tanks/aeration/filtration tanks/fiber disc reactors, capable of simultaneously effectively removing non-soluble pollutants such as SS, algae, oils, bacteria, colloids, and their associated turbidity, COD, color, and odor (SS<3mg/L, turbidity<1.0NTU). The use of coagulants like Fe or Al can also achieve deep phosphorus removal (TP<0.05mg/L); combined with pre-oxidation, it can deeply remove iron, manganese, and arsenic; adding Ca(OH)2 and organic sulfur as pre-chemical precipitation can efficiently remove various heavy metal ions such as Cu, Cd, Hg, Pb, Cr, Zn, Mn, Ni; adding Ca(OH)2 as pre-chemical precipitation can soften water quality (reduce hardness/alkalinity).
Short system dwell time (<15-20 minutes), saves space - 1/5 the size of a slotted tube sedimentation tank or dissolved air flotation (DAF) tank, and 1/20 the size of a traditional sedimentation tank; low construction cost.
Low power consumption, low operation costs.
High magnetic powder recovery rate (99.9%), with a lower magnetic powder loss rate than other magnetic flocculation separation systems by 70%.
Water tolerance to variations in water quality, stable effluent standards. Quick startup time (less than 10 minutes).
In drinking water treatment, turbidity, color, total organic carbon (TOC), algae, particle count, bacteria and pathogens, cryptosporidium, and removal rates of iron oxide, manganese, and arsenic exceed 90%.
In wastewater treatment, the removal rates for total suspended solids (TSS), colloidal matter, total phosphorus, heavy metals, and E. coli reach 90% to 99%. Removal rates for BOD and COD are 60% to 80%.
Optimized solution for floc settling difference/space constraints/standard improvement and capacity expansion retrofit.
Magnetic concrete application fields:
Deep Industrial Wastewater Treatment
Municipal wastewater treatment plant upgrade and standard enhancement
Heavy metal wastewater purification
Water Treatment Plant Pretreatment
Preliminary rainwater treatment in urban areas;
Point source pollution control (river, tunnel, and landscape water treatment) etc.
Magnetic concrete installation style:
Civil construction pool system renovation
Applicable Sites: Deep phosphorus and turbidity removal in large-scale wastewater treatment plants; capacity and quality enhancement for efficient sedimentation basins.
Magnetic concrete features:
Low civil engineering costs, quick project commissioning, and low operating expenses.
