Properties of the bound water in sludge
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What are the properties of the bound water in sludge?
The water in sludge mainly includes free water, interstitial water, capillary-bound water, surface-adherent water, and internal water. ·Free water: can be removed through gravity settling and mechanical methods ； ·Physically bound water: Requires more energy to remove (such as heating); includes capillary water, interstitial water, colloidal water, and surface adsorbed water ； ·Chemically bound water: It can only be removed by breaking chemical bonds; it is known as “equilibrium water,” such as the water inside cells and molecular water ；