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! I dag, 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 minutter ( 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 minutter.
• 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 (f.eks., 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

Advantage: Magnetic separation is extremely fast (<2 minutter), 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 fra 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.

Bord 1: Performance Summary of Amino-Modified Magnetic Beads fra 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!

Leverandør

Shanghai Lingjun Biotechnology Co., Ltd.ble etablert i 2016 som er en profesjonell produsent av biomagnetiske materialer og nukleinsyreekstraksjonsreagenser.

Vi har rik erfaring innen utvinning og rensing av nukleinsyre, proteinrensing, celleseparasjon, kjemiluminescens, og andre tekniske felt.

Våre produkter er mye brukt på mange felt, som medisinsk testing, genetisk testing, universitetsforskning, genetisk avl, og så videre. Vi leverer ikke bare produkter, men kan også påta oss OEM, ODM, og andre behov. Hvis du har et relatert behov, ta gjerne kontakt med oss .