In　this　work,　a　microporous　municipal　sewage　sludge-derived　hydrochar　(MSSH)　with　relatively　high　surface　area　and　abundant　surface　organic　functional　groups　was　produced　through　hydrothermal　carbonization.　Based　on　the　adsorption　results　over　a　wide　range　of　conditions,　the　prepared　MSSH　was　suggested　as　a　promising　adsorbent　for　CV　because　of　its　high　and　efficient　adsorption　capability.　The　experimental　data　were　fitted　to　several　kinetic　models.　Based　on　calculated　respective　parameters　such　as　rate　constants,　equilibrium　adsorption　capacities　and　correlation　coefficients,　the　pseudo　second-order　model　proved　the　best　in　describing　the　adsorption　behavior　of　MSSH.　Through　kinetics,　thermodynamic　modeling　studies　and　material　characterization,　a　plausible　adsorption　process　was　discussed　under　the　conditions　used　in　this　study.　It　can　be　confirmed　that　the　adsorption　of　CV　onto　MSSH　is　via　both　physical　interactions　(electrostatic　interaction　and　Van　der　Waals＇　force)　and　chemical　interactions　(formation　of　H-bonding).