2results about How to "Improve competitive advantage" patented technology

The application discloses a kind of zeolite molecular sieve for removing hexavalent chromium in wastewater and its preparation method, which comprises the following steps: mixing solution and stirring: all raw materials are placed into polytetrafluoroethylene lined stainless steel autoclave, then the polytetrafluoroethylene lined stainless steel autoclave is placed into ultrasonic cleaning machine for ultrasonic stirring, and slowly shakes during stirring process;Synthesis reaction: after stirring, the polytetrafluoroethylene lined stainless steel autoclave is tightened, the polytetrafluoroethylene lined stainless steel autoclave is placed into thermostat for constant temperature reaction;Sample removal: after constant temperature, the polytetrafluoroethylene lined stainless steel autoclave is taken out, the cover is rotated after cooling, the white lining is taken out, and is dried, to obtain molecular sieve.The application can solve the problems of complex process flow, huge energy consumption and inconvenient operation in the synthesis technology of existing molecular sieve.