IWA Publishing

Table 5

Adsorption capacity of composite modified zeolite for different pollutants

Adsorbent	Method	Pollutants	Adsorbent capacity (mg/g)	Temperature (°C)	pH	Adsorption isotherm	References
Ultrasonic composite	Ultrasonic (550 W) + NaCl	Ammonia	12.8	Room temperature	–	Langmuir	Wang et al. (2015)
Heating composite	HCl + muffle (300 °C)	Nitrate	2.7	–	5.0	Langmuir	Ali et al. (2014)
	Ultrasonic (303 K) + Sodium acetate	Ammonia	6.6	30	–	Langmuir	Lin et al. (2015)
	Muffle (550–600 °C) + 1 M NaAlO₂ + 0.01NHCI + Al₂(SO₄)₃ + CaSO₄	Fluoride	2.6	25	8.0	Freundlich	Waghmare et al. (2015)
	Muffle (500 °C) + CTAB	Bisphenol	16.5	25	–	Freundlich	Wang et al. (2016)
Alkali acid/salt composite	2 M NaCl + 1 M HCl	Cr	6.3	Room temperature	–	Freundlich	Song et al. (2015)
	1 M HCl + 0.05 M HDTA-Br	Boron	–	24–26	–	–	Dionisiou et al. (2013b)
	2 M NaCl + 3 g/L HDTMA-Br	Melanoidin	918.9	35	–	Langmuir	Onyango et al. (2011)
	AlCl₃ + LaCl₃	Phosphorus	2.4	20	7.0	Freundlich	Meng et al. (2013)

Adsorbent	Method	Pollutants	Adsorbent capacity (mg/g)	Temperature (°C)	pH	Adsorption isotherm	References
Ultrasonic composite	Ultrasonic (550 W) + NaCl	Ammonia	12.8	Room temperature	–	Langmuir	Wang et al. (2015)
Heating composite	HCl + muffle (300 °C)	Nitrate	2.7	–	5.0	Langmuir	Ali et al. (2014)
	Ultrasonic (303 K) + Sodium acetate	Ammonia	6.6	30	–	Langmuir	Lin et al. (2015)
	Muffle (550–600 °C) + 1 M NaAlO₂ + 0.01NHCI + Al₂(SO₄)₃ + CaSO₄	Fluoride	2.6	25	8.0	Freundlich	Waghmare et al. (2015)
	Muffle (500 °C) + CTAB	Bisphenol	16.5	25	–	Freundlich	Wang et al. (2016)
Alkali acid/salt composite	2 M NaCl + 1 M HCl	Cr	6.3	Room temperature	–	Freundlich	Song et al. (2015)
	1 M HCl + 0.05 M HDTA-Br	Boron	–	24–26	–	–	Dionisiou et al. (2013b)
	2 M NaCl + 3 g/L HDTMA-Br	Melanoidin	918.9	35	–	Langmuir	Onyango et al. (2011)
	AlCl₃ + LaCl₃	Phosphorus	2.4	20	7.0	Freundlich	Meng et al. (2013)