Aluminum foil of milk packaging waste has a high aluminum content, so it can be used in the synthesis of coagulants Polyaluminum Chloride (PAC). The content of aluminum in the waste was extracted using HCl 15% for 150 ...

Clay is one of the natural wealth that has been used as a liquid coagulant in water treatment. Natural clay can be used as a liquid coagulant caused the content of its aluminum and iron able to bind colloidal particles, ...