“…Various biosorbents are found in the literature for the removal of heavy metal ions from wastewater samples including tea waste, Elaeis guineensis (oil palm) biomass, bagasse, citrus limetta, cucumis sativus, prosopis cineraria, titania-silica, zeolite, Theobroma grandiflorum (cupuassu) shell, chitosan (Mashkoor et al, 2018), Aspergillus and Trichoderma, Neocosmospora sp., Sordaria sp., Rhizopus sp., Penicillium sp., and sterile mycelia strain fungal groups (Rodríguez et al, 2013), Paulownia tomentosa Steud. Leaf (Suguna et al, 2013), Hydrilla verticilata (Nigam et al, 2013), Phoenix dactylifera L. (date palm) (Ahmad et al, 2012), Carica papaya (papaya) wood, maize , Chitosan (Gerente et al, 2007), tectona grandis (teak) leaf powder (Kumar et al, 2006;Ngah et al, 2008), Imperata cylindrica (lalang) leaf powder, Hevea brasiliensis (rubber) leaf powder, Coriandrum sativum, Arachis hypogaea L. (peanut) hull pellets, sago waste, Atriplex canescens (salt-bush) leaves, Cyatheales (tree fern), rice husk ash and neem bark, Vitis (grape) stalk wastes (Ngah et al, 2008), vineyard pruning waste (Karao et al, 2010), jelly fungus Auricularia polytricha (Huang et al, 2012), Water Hyacinth (Buasri et al, 2012), Lantana camara (Ravulapalli et al, 2018;Waoo et al, 2014;Girish et al, 2015;Singanan et al, 2017;Sathianesan et al, 2018), Streptomyces fradiae (G. , Streptomyces fradiae , Sesamum indicum (sesame) husk (El-araby et al, 2017), Arachis hypogaea (groundnut) shell (Adesola Babarinde & Gloria Onyiaocha, 2016), Cymbopogon citratus (Lemongrass) , scale of Genyonemus lineatus (croaker fish) (Nkiko et al, 2013), Pleurotus ostreatus spent mushroom compost (Kamarudzaman et al, 2013) Eupatorium Adinoforum & Acer Oblongum leaves (Vishwakarma et al, 2018), Tamarindus indica seeds, Corylus (hazelnut) and Prunus dulcis (almond) shell (Pehlivan et al, 2009), rice polish (Ranjan et al, 2009), Pleurotus ostreatus (Javaid et al, 2011), Lawsonia Inermis plant leaves (Bhatia et al, 2015), Cocos nucifera (coconut) shaft…”