The　aminated　cyanoethyl　lignin　adsorbent,　denoted　as　SLBAN,　was　prepared　by　grafting　acrylonitrile　monomer　onto　spherical　lignin　beads　(denoted　as　SLB)　to　further　improve　its　physicochemical　properties　and　pore　structure,　denoted　as　SLBA,　and　then　grafted　ethylene　diamine　monomer　which　could　adsorb　metal　ions　onto　SLBA.　The　adsorption　experiments　regarding　the　adsorption　behavior　of　Cr(VI)　solution　on　SLBAN　were　conducted.　And　the　factors　affecting　the　adsorption　i.e.,　the　adsorbent　dosage,　adsorption　time　and　solution　pH　etc.,　were　optimized.　The　results　concluded　that　the　adsorption　kinetics　process　was　conformed　to　the　pseudo　second　kinetics　model.　The　removal　rate　of　Cr(VI)　could　reach　86%　when　dosage　of　SLBAN　was　2　g/L　and　solution　pH=2　adsorption　time　was　3hrs.　The　maximum　saturated　adsorption　capacity　reached　102　mg/g　under　the　ambient　temperature　of　328　K,　and　the　adsorption　process　was　in　accordance　to　the　Langmuir　and　Freundlich　equation.　Additionally,　the　whole　process　belonged　to　spontaneous　and　exothermic　reaction　process.　©　2015,　China　Technical　Association　of　Paper　Industry.　All　right　reserved.