Currently, algae have been focused on research to apply in different fields. With the desire to contribute to the application of microbiological technology to reduce pollution in organically polluted wastewater per the situation of Vietnam, this study is conducted to apply Actinastrum sp. to treat nitrogen and phosphorus in swine wastewater after biogas digesters. | A study on swine wastewater treatment after biogas digestion using Actinastrum sp.