Adsorption Studies of Lead by Enteromorpha Algae and Its Silicates Bonded Material

Table 7

Lead uptake: optimum results obtained from batch experiments, comparison with literature.

Name of algae—color	pH	Contact time; (min)	Metal uptake; () mg/g	Reference
E. intestinalis (E)—green	3.0	5–20	83.82	Present work
E. intestinalis  modified  with  sodium  silicates (EM)—green	7.0	60	1433.46	Present work
Caulerpa  lentillifera—green	5.0	10–20	28.71	[43]
Cystoseira  baccata—brown	4.5	—	186	[44]
Chlamydomonas  reinhardtii—green	5.0	60	96.30	[45]
Sargassum  sp.—brown	5.0	60	183.37	[46]
Ulva  lactuca—green	4-5	5–30	126.5	[47]
Enteromorpha  spp. (living)—green	—	0–5	20.72	[28]
Anabaena sphaerica—blue green	3.0	90	121.95	[52]
Mixture  of  Ulva  lactuca,  Jania  Rubens,  and  Sargassum (green, red, and brown)	4.0	120	281.80	[36]
Ecklonia radiata—brown	5.0	10	282	[49]
Codiumtaylori—green	3.5	—	130.00	[50]
Sargassum  natans—brown	3.5	—	220.00	[51]