A process for the continuous production of a particulate adsorption product using an apparatus for the continuous production of a particulate adsorption product, wherein the apparatus comprises: a mixing drum having an elongated cavity for receiving a particulate adsorbent material, an adsorbent inlet and a product outlet, wherein the mixing drum is arranged such that the cavity is inclined in flow direction of the particulate material, and wherein the cavity comprises an initial transport zone adjacent to the inlet and a mixing zone following the initial transport zone; a rotating member extending through the cavity in a longitudinal direction, wherein the rotating member comprises a helical conveying blade at longitudinal positions corresponding to the initial transport zone and mixing instruments at longitudinal positions corresponding to the mixing zone; and one or more injection nozzles for injecting a liquid adsorbate to the mixing zone; and wherein the process comprising the steps of: continuously feeding a flowable particulate adsorbent material into the initial transport zone of the cavity through the inlet, wherein the particulate adsorbent material is a silica, charcoal or zeolite material; continuously injecting a liquid adsorbate into the mixing zone of the cavity through the nozzles, wherein the liquid adsorbate is a pure liquid active or a liquid solution or dispersion of an active, wherein the active is a biologically active component; and continuously operating the rotating member to propagate the adsorbent through the initial transport zone to the mixing zone and to agitate the adsorbent and the adsorbate in the mixing zone. a mixing drum having an elongated cavity for receiving a particulate adsorbent material, an adsorbent inlet and a product outlet, wherein the mixing drum is arranged such that the cavity is inclined in flow direction of the particulate material, and wherein the cavity comprises an initial transport zone adjacent to the inlet and a mixing zone following the initial transport zone; a rotating member extending through the cavity in a longitudinal direction, wherein the rotating member comprises a helical conveying blade at longitudinal positions corresponding to the initial transport zone and mixing instruments at longitudinal positions corresponding to the mixing zone; and one or more injection nozzles for injecting a liquid adsorbate to the mixing zone; and wherein the process comprising the steps of: continuously feeding a flowable particulate adsorbent material into the initial transport zone of the cavity through the inlet, wherein the particulate adsorbent material is a silica, charcoal or zeolite material; continuously injecting a liquid adsorbate into the mixing zone of the cavity through the nozzles, wherein the liquid adsorbate is a pure liquid active or a liquid solution or dispersion of an active, wherein the active is a biologically active component; and continuously operating the rotating member to propagate the adsorbent through the initial transport zone to the mixing zone and to agitate the adsorbent and the adsorbate in the mixing zone. continuously feeding a flowable particulate adsorbent material into the initial transport zone of the cavity through the inlet, wherein the particulate adsorbent material is a silica, charcoal or zeolite material; continuously injecting a liquid adsorbate into the mixing zone of the cavity through the nozzles, wherein the liquid adsorbate is a pure liquid active or a liquid solution or dispersion of an active, wherein the active is a biologically active component; and continuously operating the rotating member to propagate the adsorbent through the initial transport zone to the mixing zone and to agitate the adsorbent and the adsorbate in the mixing zone.