Potentiality of uranium biosorption from nitric acid solutions using shrimp shells

Separation of transition metals and chelated complexes in wastewaters

“…Ahmed et al . used the chitosan component of shrimp shells to adsorb aqueous uranium species [(U VI O 2 )(OH)] + and found that the shell flakes were 85% effective. Niu and Volesky adsorbed the negatively charged inorganic complexes chromate [CrO 4 ] 2− , vanadate [VO 4 ] 3− , and gold‐cyanide [Au(CN) 2 ] − onto the positively charged amide groups lining the shells of Ucides crabs (a genus of mangrove crabs in South America; see also Ramrakhiani et al .…”

Adsorption of Reactive blue 21 onto functionalized cellulose under ultrasonic pretreatment: Kinetic and equilibrium study

“…However, its high cost has limited its wider utilization especially in developing countries [6]. For this reason, researchers have focused on low-cost biosorbents, such as algae [7], shrimp shells [8], clay [9], chitin [10], rice husk [11], and coffee beans [12]. However, most of these materials above have limited adsorption capacities.…”

Comparison between Thin-Layer Models and Non-Traditional Methods in the Modelling of Drying Kinetics of Crustacean Wastes

“…Shrimp shell and crab exoskeleton are two crustacean wastes with great capacity for exploitation due to their high contents of chitin, chitosan and calcium carbonate [1,2]. Related studies such as the absorption of uranium in nitric solutions [3], removal of heavy metals [4], antimicrobial properties [5], biomineralization and polymorphism [6], and the protection against dental demineralization [2], amongst others, show the potential of their synthetized or natural compounds for application in food, chemical, material and pharmaceutical industries. However, the high molecular weight, low absorption of the minerals plus the high decomposition rate of these wastes, make it difficult to use them for such purposes.…”