References
- Baker, H.M., Massadeh, A.M., Younes, H.A. (2009) Natural Jordanian zeolite: removal of heavy metal ions from water samples using column and batch methods, Environmental Monitoring and Assessment, 157, p.319-330.
- Gunay, A., Arslankaya, E., Tosun, I. (2011) Lead removal from aqueous solution bz natural and pretreated clinoptilolite: Adsorption equilibrium and kinetics, Journal of Hazardous Materials, 146, p.362-371.
- Ismael, I.S., Melegy, A., Kratochvil, T. (2012) Lead removal from aqueous solution by natural and pretreated zeolites, Geotechnical and Geological Engineering, 30, p.253-262.
- Payra, P., Dutta, P.K. (2003) Handbook of zeolite . Science and technology, Marcel Dekker Inc., New York.
- Rusu, T., Rusu, A., (2009). Purificarea Apelor Reziduale cu ajutorul Schimbătorilor de Ioni Naturali, ProEnvironment, 2, p.251-255. www.proenvironment.ro
- Shaheen, S.M., Derbalah, A.S., Moghanm F.S. (2012) Removal of heavy metals from aqueous solution by zeolite in competitive sorption system, International Journal of Environemtal Science and Development, 3 (4), p.362-367.
- Seliman, A.E., Borai, E.H. (2011) Utilization of natural chabazite and mordenite as a reactive barrier for immobilization of hazardous heavy metals, Environmental Science and Pollution Research, 18, p.1098-1107.
- Singh, A., Sharma, R.K., Agrawal, M., Marshall, F.M. (2010) Health risk assessment of heavy metals via dietary intake of foodstuffs from the wastewater irrigated site of a dry tropical area of India, Food and Chemical Toxicology, 48, p.611-619.
- Wang, S., Peng., Y. (2010) Natural zeolites as effective adsorbents in water and wastewater treatment, Chemical Engineering Journal, 156, p.11-24.
- Wang, Q., Zhao, H.H., Chen, J.W., Gu, K.D., Zhang, Y.Z., Zhu, Y.X., Zhou, Y.K., Ye, L.X. (2009) Adverse health effects of lead exposure on children and exploration to internal lead indicator, Science of the Total Environment, 407, p.5986-5992.
- Wang, X., Sato, T., Xing, B., Tao, S. (2005) Health risk of heavy metals to the general public in Tianjin, China via consumption of vegetables and fish, Science of the Total Environment, 350, p.28-37.
- Yi, Y., Yang, Z., Zhang, S. (2011) Ecological risk assessment of heavy metals in sediment and human health risk assessment of heavy metals in fishes in the middle and lower reaches of the Yangtze River basin, Environmental Pollution, 159, pp.2575-2585. www.arixinternetteam.com
- www.buyagreenhouse.com
- www.clinolit.ro
- www.lenntech.pl
- Government Decision no.188 from 20.03.2002 amended by Government Decision no.352 from 11.05.2005, publihed in Official Gazette no.398 from 11.05.2005.
- Law no.458/2002, amended by Law no.311/2004, published in Official Gazette no.552, Part I from 30.06.2004