Recycling of Waste Sludge: Preparation and Application of Sludge-Based Activated Carbon

Table 3

Organic compound removal by SBAC: preparation methods and removal mechanisms.

Organic compounds	Methods	Mechanisms	Reference
Toluene	ZnCI2 dipping, 700°C activation	Middle-pore adsorption in physics and chemical adsorption	[101]
Phenol, nitrobenzene	Mix of sludge and corn	Chemical acid group adsorption mainly	[22]
Trinitrotoluene red water	Phosphoric acid-microwave method, chemical modification	The surface of large hole, internal extension of more transition hole, physical adsorption mainly	[98]
Rhodamine B	Biological sludge and chemical sludge compound	The reaction of the catalytic ozone oxidation of rhodamine B following the hydroxyl radical mechanism	[102]
Ibuprofen	Zinc chloride prepared SBAC as an activator	Hydroxyl radical mechanism and physical adsorption	[103]
Oxalic acid	MnOx load modification	Surface reaction, reaction between organic pollutants and hydroxyl radical	[104]