Tungsten　carbide　(WC)　scrap　was　used　as　a　consumable　anode　to　prepare　tungsten　powder　in　NaCl-KCl　melt　at　1023　K　for　the　first　time.　The　electrolysis　process　was　investigated.　Results　showed　that　the　tungsten　component　in　WC　anode　was　dissolved　as　W2+　into　the　NaCl-KCl　melt.　The　cathode　reaction　was　controlled　by　the　diffusion　of　tungsten　ions.　The　effect　of　electrolysis　parameters,　including　the　anode-cathode　distance,　cathode　current　density　and　different　electrolysis　ways　(galvanostatic　and　potentiostatic　electrolysis),　on　the　purity　and　grain　size　of　the　cathode　deposits　was　studied.　It　showed　that　a　large　anode-cathode　distance　was　beneficial　to　the　formation　of　pure　tungsten　powder　at　the　cathode.　With　increasing　the　cathode　current　density,　the　tungsten　grain　size　first　decreased　and　then　increased.　When　the　cathode　current　density　was　0.125　A　cm(-2),　tungsten　powder　with　a　diameter　of　smaller　than　100　nm　was　obtained.　Deposits　prepared　through　galvanostatic　and　potentiostatic　electrolysis　was　compared　in　the　end.　(C)　2015　Elsevier　Ltd.　All　rights　reserved.