SH Elhami - Department of chemistry, Science and Research Branch, Isla mic Azad Univ ersity, Khouz estan, Iran;
M brishamkar - Department of chemistry, Science and Research Branch, Isla mic Azad Univ ersity, Khouz estan, Iran;
A Shafamehr - Department of chemistry, Science and Research Branch, Isla mic Azad Univ ersity, Khouz estan, Iran;

Heavy metal are considered the most import ant pollutan ts.in marine , ground and industrial waste waters th ey are highly toxic. Lead is one of the most dangerous heavy metals for humans and living organisms.all the compounds contain ing lead are considered as cumulative poisons. Lead poisonin g in human couses seve re damage t o the kidney , nervous system , reproductive sys tem , liver and brain. Therefore , the removal of e xessPb ions from wast e water is es sential to protect human a nd environm ental health . sawdust is prodused in large qua ntities at sawmills as a solid waste.interest in the use of sawd ust as an adsorbent ha s been stim ulated by the good reslts that have been obtained.

Lead, Re moval, Adsorption,kinetic.