Recent Development in Ammonia Stripping Process for Industrial Wastewater Treatment

Table 1

Several studies that had looked into the ammonia stripping process with varied types of industrial wastewater.

Wastewater	Ammonia stripping reactor	Influent ammonia (mg/L)	Ammonia removal percentage (%)	Operating condition	Reference
Biologically treated blue crab processing wastewater	Packed bed	2300	72	Liquid loading rate: 25 L/m^2/min	[20]
				Temperature: 14°C
				PH: 12.0
Petroleum refinery wastewater	Packed bed	100	85	Airflow rate: 8495.1 L of air/gal of wastewater	[21]
				Temperature: 25°C
				pH: 10.5
Landfill leachate	Packed bed	1213	88	Airflow rate: 4500 L·h^−1	[22]
				Temperature: 25°C
				pH: 11
Piggery wastewater	Packed bed	4950	80	Airflow rate: 10 L/min	[23]
				Temperature: 37°C
				pH: 11
Fertilizer effluent	Packed bed	2000	99	Airflow rate: 420 m^3·m^−2·h^−1	[24]
				Temperature: 26°C
				pH: 11
Raw manure digestate	Mixer	5000	88.7	Temperature: 23°C	[19]
				pH: 10
Secondary effluent	Packed bed	12	86.2	Airflow rate: 100 L/min/sq·m	[10]
				Temperature: 20.6°C
				pH: 11.7
Acetylene purification wastewater	Packed bed	125	91%	Airflow rate: 0.5 m^3/h	[25]
				Temperature: 60°C
				pH: 12
Ammonia-rich soda ash wastewater	Microwave-assisted air stripping	1350	96.3%	pH: 11; time: 5 mins	[26]
				microwave radiation power: 750 W
Sludge liquor from municipal wastewater treatment plants	Ion exchanger loop stripping	2300	84.6%	pH: 10.5	[27]
Swine wastewater	Microwave-assisted air stripping	2740	88.2	pH: 11	[28]
				microwave radiation: 700 W