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Guía de Basicidad del PAC: Cómo Afecta el Rendimiento de Coagulación y la Selección del Producto

¿Qué es la Basicidad del PAC?

La basicidad (valor B) representa el grado de hidrólisis de las especies de aluminio en el PAC. Es el parámetro de calidad más crítico que determina la eficiencia de coagulación.

Basicidad (%) = [OH⁻] / (3 × [Al³⁺]) × 100

Rango de Basicidad Clasificación Aspecto
0-20% Muy Baja Líquido claro a amarillo claro
20-40% Baja Líquido amarillo claro
40-60% Media Líquido amarillo a ámbar / Polvo blanco-amarillo
60-75% Alta Líquido ámbar oscuro / Polvo amarillo
75-85% Muy Alta Líquido marrón oscuro / Polvo amarillo intenso

Efectos en el Rendimiento

  • Eficiencia de Neutralización de Carga: Mayor basicidad = más especies polinucleares = mejor neutralización.
  • Estabilidad del pH: Mayor basicidad consume menos alcalinidad, reduce necesidad de ajuste de pH.
  • Formación de Flóculos: Basicidad alta (60-85%) produce flóculos más grandes y densos.
  • Aluminio Residual: Mayor basicidad deja menos aluminio residual, crítico para agua potable (< 0.2 mg/L).

Selección por Aplicación

Aplicación Basicidad Recomendada
Agua Potable 60-80%
Aguas Residuales Municipales 50-70%
Aguas Residuales Industriales 60-80%
Textil/Tintorería 70-85%

HydroChemix proporciona informes de basicidad certificados con cada envío. Solicite muestras para pruebas.

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