Como usar esferas magnéticas modificadas com amino para tratar águas residuais de plantas de galvanização

Introdução

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! Hoje, we continue to introduce this truly powerful cutting-edge technology—theSilica-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 ahigh-gradient magnetic separator (key equipment).
• Beads are fully extracted within 2 minutos ( 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 minutos.
• 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

Vantagem: Eliminates the need for large inorganic additives (por exemplo, lime, iron salts), reducing sludge production by70-90%. The minimal remaining sludge mainly comes from chromium pretreatment and resource recovery units, drastically cutting hazardous waste disposal costs.

2.2 High Efficiency & Compactness

Vantagem: Magnetic separation is extremely fast (<2 minutos), 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

Vantagem: 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 & Automação

Vantagem: 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 de Xangai Lingjun Biotecnologia Co., Ltda. :
• Abundant Binding Sites: High amino density enhances binding with Zn²⁺/Ni²⁺ ions.
• Excellent Reproducibility: Minimal batch-to-batch variation ensures process stability.
• Propriedades magnéticas fortes: Superparamagnetic, enables fast magnetic separation, greatly improving treatment efficiency.
• Superior Dispersion, Resuspension, and Stability: Enhances operational efficiency and convenience.

Mesa 1: Performance Summary of Amino-Modified Magnetic Beads de Xangai Lingjun Biotecnologia Co., Ltda.

Nome do produto	Código do produto	Grupo de superfície	Tamanho Médio de Partícula	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!

Fornecedor

Xangai Lingjun Biotecnologia Co., Ltda.foi estabelecido em 2016 que é um fabricante profissional de materiais biomagnéticos e reagentes de extração de ácido nucleico.

Temos vasta experiência em extração e purificação de ácidos nucleicos, purificação de proteínas, separação celular, quimioluminescência, e outras áreas técnicas.

Nossos produtos são amplamente utilizados em muitos campos, como exames médicos, testes genéticos, pesquisa universitária, melhoramento genético, e assim por diante. Nós não apenas fornecemos produtos, mas também podemos realizar OEM, ODM, e outras necessidades. Se você tiver uma necessidade relacionada, não hesite em contactar-nos .