(sodium hedp)
Sodium HEDP (1-Hydroxyethylidene-1,1-Diphosphonic Acid) demonstrates 92% scale inhibition efficiency at concentrations as low as 2-5 ppm, outperforming conventional phosphonates. As the sodium salt of polyaspartic acid derivatives, this compound combines thermal stability (up to 200°C) with exceptional chelation capacity (CaCO3 binding: 450 mg/g). Market data reveals a 17.3% CAGR growth in industrial applications since 2020, driven by its dual functionality as corrosion inhibitor and dispersant.
Comparative analysis shows sodium HEDP provides:
The polyaspartic acid sodium salt structure enables biodegradation rates exceeding 80% within 28 days, addressing environmental concerns associated with persistent organic pollutants.
Manufacturer | Active Content | pH Range | Iron Chelation (mg/g) | Price ($/ton) |
---|---|---|---|---|
Company A | 60% ±1 | 2.5-12 | 320 | 2,450 |
Company B | 58% ±2 | 3.0-11 | 295 | 2,310 |
Company C | 62% ±0.5 | 1.5-13 | 350 | 2,680 |
Industrial customization parameters include:
Field trials demonstrate 22-35% operational cost reductions through optimized polyaspartic acid sodium salt formulations.
A municipal water plant achieved:
Mining operations reported 89% efficiency in scale prevention during brine concentration processes using sodium of polyaspartic acid blends.
Compliance certifications include:
Aquatic toxicity tests show LC50 > 100 mg/L for fish species, confirming low ecotoxicological impact.
Emerging applications combine sodium HEDP with smart monitoring systems:
Projections indicate 29% market penetration growth in closed-loop industrial systems by 2028, driven by polyaspartic acid sodium salt innovations in zero-liquid-discharge technologies.
(sodium hedp)
A: Sodium HEDP is a scale and corrosion inhibitor widely used in water treatment, oilfield operations, and cooling systems. It prevents metal ion precipitation and protects equipment from oxidative damage. Its stability in high-temperature and high-ph environments makes it a preferred choice.
A: Sodium HEDP is a phosphonate-based compound effective in hard water scale control, while polyaspartic acid sodium salt is a biodegradable polymer excelling in eco-friendly scale inhibition. Both are used in water treatment but differ in chemical structure and environmental impact.
A: Polyaspartic acid sodium salt offers superior biodegradability and low toxicity, reducing environmental harm. It provides effective scale inhibition even at low concentrations and works across a broad pH range. Its renewable sourcing makes it sustainable for green chemistry applications.
A: Yes, they are often combined in water treatment formulations for synergistic effects. Sodium HEDP enhances metal ion stabilization, while polyaspartic acid sodium salt improves dispersion of suspended particles. This combination maximizes corrosion and scale prevention efficiency.
A: Sodium of polyaspartic acid is considered environmentally safe due to its rapid biodegradability and non-bioaccumulative properties. It meets strict marine ecotoxicity standards and is approved for use in ballast water treatment and offshore applications. Proper dosing ensures minimal ecological impact.