An　oxidized　mesoporous　carbon　(OMC)　with　fluffy　structure　was　fabricated　from　the　mixture　of　petroleum　asphalt　and　aluminum　isopropoxide,　and　its　structures　were　characterized　by　FESEM,　TEM,　BET,　TG,　XPS　and　FT-IR.　In　addition,　bath　absorption　experiments　for　malachite　green　(MG)　and　lead　ion　(Pb　2+　)　were　carried　out　to　explore　the　effects　of　pH,　initial　concentration,　contact　time　and　temperature　on　its　absorption　process.　Results　show　that　the　OMC　prepared　has　a　fluffy　ultrathin-wall　structure　with　narrow　pore　size　distribution　and　rich　oxygen-containing　groups.　It　exhibits　excellent　absorption　performance　for　the　removal　of　MG　as　well　as　Pb　2+　,　as　indicated　by　that　its　maximum　adsorption　capacity　is　963.1　mg　g　−1　for　MG　and　198.6　mg　g　−1　for　Pb　2+　.　The　absorption　experimental　data　are　all　fitted　well　with　pseudo-second-order　model　and　Frendlich　isotherm,　respectively.　More　importantly,　the　OMC　still　maintains　relatively　high　adsorption　capacity　after　five　cycles.　©　2018　Elsevier　B.V.