The　industrial　waste　cenospheres　of　fly　ash　(CFA)　were　calcined　to　prepare　easily　recoverable　adsorbent　materials.　Using　trichloroethylene　(TCE)　as　the　target　pollutant,　the　feasibility　of　adsorption　and　the　effects　of　different　modification　parameters　on　the　removal　of　pollutant　were　investigated.　Box-Behnken　design　(BBD)　based　on　response　surface　methodology　(RSM)　was　applied　to　demonstrate　the　effect　of　the　interaction　of　calcination　temperature,　calcination　time　and　particle　size　on　the　adsorption　of　TCE.　X-ray　diffraction　(XRD),　Scanning　electron　microscope　and　energy　dispersive　spectrometer　(SEM-EDS),　Brunner-Emmet-Teller　(BET)　were　employed　to　explore　the　adsorption　properties　of　materials.　The　results　show　that　the　surface　of　CFA　after　calcination　modification　is　loose　and　porous,　resulting　in　the　increase　of　specific　surface　area　by　about　2.　4　times.　The　order　of　factors　affecting　the　adsorption　of　TCE　by　modified　CFA　is　as　follows:　calcination　time　＞　calcination　temperature　＞　particle　size.　The　optimum　conditions　are　confirmed　as　follows:　the　particle　size　is　0.25　~　0.38　mm,　the　calcination　temperature　is　640　℃　and　the　calcination　time　is　80　min.　The　adsorption　value　of　CFA　is　1　344　μg　/　g　under　the　optimum　conditions,　with　the　difference　of　1.　4%　compared　with　the　predicted　adsorption　of　1　326　μg　/　g.　CFA　modified　by　high　temperature　calcination　have　better　adsorption　properties,　which　is　a　kind　of　environmental　protection　material　that　can　be　easy　for　mass　production,　waste　utilization　and　recycled.　©　2022　Bulletin　of　the　Chinese　Ceramic　Society　Press.　All　Rights　Reserved.