Sodium Hexametaphosphate (SHMP) – Production Method and Applications

Sodium Hexametaphosphate (SHMP) is a vital industrial chemical used in multiple sectors due to its effective dispersing and sequestering properties. It is widely utilized in معالجة المياه, السيراميك, المنظفات, oil drilling, and many more applications. This article will cover the production method and various applications of SHMP.

What is Sodium Hexametaphosphate (SHMP)?

Sodium Hexametaphosphate (SHMP) is a polyphosphate compound, widely known for its ability to sequester metal ions and act as a dispersing agent. Its chemical formula is (NaPO₃)₆, and it is typically produced in high purity for industrial use. SHMP is highly effective in a variety of processes that require استقرار, تشتت، وprevention of scale buildup.

Production Method of SHMP

إنتاجSodium Hexametaphosphate involves a series of steps, utilizing حمض الفوسفوريكوكربونات الصوديومأوهيدروكسيد الصوديوم as primary raw materials. Here’s a breakdown of the SHMP production process:

1. Raw Material Preparation

• حمض الفوسفوريك (H₃PO₄) is reacted with sodium carbonate (Na₂CO₃)أوهيدروكسيد الصوديوم (NaOH)لتشكيلsodium dihydrogen phosphate (NaH₂PO₄), a precursor compound.

2. Thermal Polycondensation

• الsodium dihydrogen phosphate undergoes calcination at temperatures between 300–600°C in a rotary kiln or furnace.

• This process initiates the polymerization of phosphate units, creating هيكساميتافوسفات الصوديوم (SHMP).

3. Cooling and Milling

• النتيجةglassy polyphosphate is cooled rapidly to prevent premature crystallization.

• The SHMP is then ground into a fine powder or granules, ensuring the desired particle size for industrial applications.

4. Quality Control

• The final SHMP product undergoes rigorous testing to ensure it meets quality standards for نقاء, water solubility، وheavy metal content.

• المنتج هو بعد ذلكpackaged in moisture-resistant bags to maintain its quality during transportation and storage.

Applications of SHMP in Various Industries

Sodium Hexametaphosphate is widely used in multiple industrial sectors due to its versatile properties. Below are some key applications:

1. Water Treatment

• عزل الصلابة: SHMP binds الكالسيوموأيونات المغنيسيوم، منعتشكيل الحجمفيboilers, cooling systems، وpipes.

• منع الترسب: It helps to avoid scale buildup in industrial systems, particularly in high-temperature environments like power plants.

2. Detergents and Cleaners

• منقي المياه: SHMP is used to soften water, making المنظفات more effective by minimizing mineral interference.

• Oil & Grease Removal: It helps emulsify oils and greases, enhancing the stain removal power of cleaners.

3. Ceramic Industry

• تعليق الطين: SHMP ensures uniform suspension of clay particles in ceramic slurries, preventing settling.

• تحسين التزجيج: It improves the application of ceramic glazes, making them smoother and more uniform.

4. صناعة النسيج

• تثبيت الصبغة: SHMP enhances color retention and ensures even dye distribution in textile processing.

• المعالجة المسبقة: It aids in the removal of impurities and brightening of fabrics.

5. Oil Drilling

• سوائل الحفر: SHMP stabilizes the composition of drilling fluids, preventing the aggregation of particles.

• التزييت والدوران: It plays a crucial role in improving كفاءة الحفر and maintaining استقرار السوائل.

6. Metal Treatment

• عامل إزالة الترسبات: SHMP is used in the removal of oxides and scales from metal surfaces, improving metal cleanliness.

• الوقاية من التآكل: It acts as a مثبط التآكل, protecting metals from rust and degradation.

لماذا تختار شركة Jiangsu Khonor Chemicals Co.، المحدودة؟

• High Purity SHMP:نحن نوفرSHMP عالي الجودة with strict quality control measures for optimal industrial performance.

• Reliable and Consistent: Our SHMP products ensure consistent performance in various industrial applications.

• Global Distribution: We offer reliable shipping to markets worldwide, ensuring timely delivery.

• Customized Packaging: Available in various packaging options tailored to meet your specific requirements.

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