Professional Manufacturer of Biomagnetic Beads
How To Use Amino-Modified Magnetic Beads Treat Galvanising Plant Wastewater
Introduction
Dear zinc plating factory owners and engineers,Are you frequently troubled by the following issues?
Excessive sludge generated by traditional treatment processes, with staggering disposal costs
Limited space, yet sedimentation tanks occupy a vast area Rising chemical consumption and continuously increasing costs Don’t worry! Today, we continue to introduce this truly powerful cutting-edge technology—the Silica-Based Magnetic Beads Wastewater Treatment Process—Making the wastewater treatment of your galvanizing plant easy and efficient!
1.Detailed Process Flow Illustration
1.1 Quality-Based Pretreatment
- Chromium-containing wastewater: Collected separately and treated using traditional reduction-precipitation (Cr⁶⁺ → Cr³⁺).
- Zinc/nickel-containing wastewater: Directed to an equalization tank for homogenization (no need to adjust pH, saving large amounts of alkali agents!).
1.2 Magnetic Bead Adsorption Reaction
- Amino-modified magnetic beads are added to the reaction tank (5-10 times the heavy metal concentration).
- Stir for 20-30 minutes—the magnetic beads precisely capture Zn²⁺ and Ni²⁺ ions.
1.3 Magnetic Separation (Core Step)
- Wastewater enters a high-gradient magnetic separator (key equipment).
- Beads are fully extracted within 2 minutes ( 60 times faster than traditional sedimentation!).
- Effluent is crystal clear, with Zn/Ni concentrations <0.5 mg/L.
1.4 Magnetic Bead Regeneration & Resource Recovery
- Beads are regenerated by soaking in dilute HCl (0.1M) for 10 minutes.
- Beads can be reused ≥10 times with consistently high performance.
- High-concentration eluate can undergo electrolytic recovery of zinc/nickel metals (turning waste into treasure).
2.Why Is This a “Breakthrough” Technology?
2.1 Breakthrough Sludge Reduction
Advantage: Eliminates the need for large inorganic additives (e.g., lime, iron salts), reducing sludge production by 70-90%. The minimal remaining sludge mainly comes from chromium pretreatment and resource recovery units, drastically cutting hazardous waste disposal costs.
2.2 High Efficiency & Compactness
Advantage: Magnetic separation is extremely fast (<2 minutes), replacing hours-long sedimentation processes and large sedimentation tank systems. Saves over 50% of footprint, making it ideal for space-constrained retrofit projects. High treatment efficiency and strong resistance to hydraulic shock loads.
2.3 Resource Recovery & Economic Benefits
Advantage: Achieves concentration and recovery of heavy metals, turning waste into valuable resources. Heavy metal recycling is no longer a dream but a direct source of revenue. Water reuse rates are significantly improved.
2.4 Ease of Operation & Automation
Advantage: Short process flow easily enables full automation (PLC controls pH, bead dosing, regeneration cycles), reducing manual operations and chemical dosing uncertainties. Ensures stable and reliable operation.
3.Amino-Modified Magnetic Beads
- Advantages of Amino-Modified Magnetic Beads from Shanghai Lingjun Biotechnology Co., Ltd. :
- Abundant Binding Sites: High amino density enhances binding with Zn²⁺/Ni²⁺ ions.
- Excellent Reproducibility: Minimal batch-to-batch variation ensures process stability.
- Strong Magnetic Properties: Superparamagnetic, enables fast magnetic separation, greatly improving treatment efficiency.
- Superior Dispersion, Resuspension, and Stability: Enhances operational efficiency and convenience.
Table 1: Performance Summary of Amino-Modified Magnetic Beads from Shanghai Lingjun Biotechnology Co., Ltd.
| Product Name | Product Code | Surface Group | Average Particle Size | Amino Content |
| Amino Magnetic Beads | 220031 | -NH₂ | 4 μm | ≥300 μmol/g |
| Amino Magnetic Beads | 220032 | -NH₂ | 1.2 μm | ≥500 μmol/g |
Our amino-modified magnetic beads are available in various sizes, magnetic strengths, and amino contents. Consult us to select the best fit for your needs!
Supplier
Shanghai Lingjun Biotechnology Co., Ltd. was established in 2016 which is a professional manufacturer of biomagnetic materials and nucleic acid extraction reagents.
We have rich experience in nucleic acid extraction and purification, protein purification, cell separation, chemiluminescence, and other technical fields.
Our products are widely used in many fields, such as medical testing, genetic testing, university research, genetic breeding, and so on. We not only provide products but also can undertake OEM, ODM, and other needs. If you have a related need, please feel free to contact us .
