... Denmark.,(200 2). [14]. Ona Gyliene, Romualdas Rekertas, Mudis Slkauskas, Removal of free and complexed heavy – metal ions by sorbents produced from fly (Musca domestic) larva shells. Lithuania (200 2). ... Korea (200 1). [11]. Leonard, A., Theo, M., Willwm, H., Van, R, Metal immobilization in soils using synthetic zeolite, Journal of Environmental, Vol 31, pp. 813-821., . (200 1) [12]. Natalia, M., ... treatment, aluminosilicate and crab shell have the ability to adsorb heavy metals that were used for metal uptake from metal contaminated sludge. Sludge eliminated from the central waste water...