Loaded-type bamboo shell adsorbent used for absorbing and separating rhenium as well as preparation method thereof

The invention discloses a loaded-type bamboo shell adsorbent used for absorbing and separating rhenium. A preparation method comprises the following steps: 1) pelleting: crushing the cleaned and dried bamboo shell, drying the bamboo shell; 2) charing: charing the bamboo shell at certain temperature and cooling the bamboo shell to room temperature, washing the bamboo shell to neutrality, drying the bamboo shell to prepare the bamboo shell charcoal; 3) carrying copper: taking a proper amount of the bamboo shell charcoal and a cupric nitrate solution with a certain solution for mixing the materials, placing the mixture in water bath, stirring the mixture, dipping the mixture for a while, filtering the mixture and washing the mixture to neutrality, drying the mixture to obtain a copper-carried bamboo shell charcoal, and 4) activating: taking a proper amount of the copper-carried bamboo shell charcoal, activating the copper-carried bamboo shell charcoal for a while and cooling the copper-carried bamboo shell charcoal to room temperature, taking the copper-carried bamboo shell charcoal out, filtering the copper-carried bamboo shell charcoal, washing the copper-carried bamboo shell charcoal to neutrality, drying the copper-carried bamboo shell charcoal to obtain the loaded-type bamboo skin adsorbent. The loaded-type bamboo shell adsorbent belongs to secondary resource utilization of agricultural waste, has the advantages of rich raw materials, simple preparation, low cost, degradable performance and no pollution, and has obvious adsorption and separating effect for dissipated metal rhenium.