Cu molecular sieve based catalyst for removing thiol
A molecular sieve and sulfur removal technology, applied in molecular sieve catalysts, physical/chemical process catalysts, refining with metal oxides, etc., can solve problems such as affecting yield, jeopardizing purification and environmental protection, and improving, and achieve uniform and reasonable bonding of parts. effect of effect
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Embodiment 1
[0021] 1) Weigh the following raw materials in parts by weight: 65 parts of NaX molecular sieve powder; 15 parts of ocean crucible; 13 parts of sepiolite; 1.5 parts of phenolic resin; 2 parts copper;
[0022] 2) Mix and ball mill NaX molecular sieve raw powder, ocean crucible, sepiolite, ammonium chloride, and copper oxide in step 1) to 250-300 mesh, then add it to the reaction kettle, and keep it under sealed conditions at a temperature of 90-120°C Thermal crystallization under water for 20-24h;
[0023] 3) Precipitate, wash, and dry the material after hydrothermal crystallization in step 2), and then dry it at a temperature of 160-200°C;
[0024] 4) Cool the dried raw materials in step 3) to room temperature, mix them evenly with phenolic resin and carboxymethyl cellulose, granulate or extrude, and bake at 675°C for 2 hours to obtain mercaptan removal With Cu molecular sieve catalyst.
[0025] Product performance measurement: strip particle size 3.2-3.7mm, equilibrium wat...
Embodiment 2
[0027] 1) Weigh the following raw materials in parts by weight: 80 parts of 13X-D molecular sieve powder; 15 parts of ocean crucible; 13 parts of sepiolite; 0.5 parts of phenolic resin; 3 parts of carboxymethyl cellulose; 5 parts of ammonium chloride ; 2 parts of copper oxide;
[0028] 2) Mix and ball mill 13X-D molecular sieve raw powder, ocean crucible, sepiolite, ammonium chloride, and copper oxide in step 1) to 250-300 mesh, then add to the reaction kettle, and store at 90-120°C under sealed conditions Hydrothermal crystallization at the temperature of 20-24h;
[0029] 3) Precipitate, wash, and dry the material after hydrothermal crystallization in step 2), and then dry it at a temperature of 160-200°C;
[0030] 4) Cool the dried raw materials in step 3) to room temperature, mix them evenly with phenolic resin and carboxymethyl cellulose, granulate or extrude, and bake at 675°C for 5 hours to obtain mercaptan removal With Cu molecular sieve catalyst.
[0031] Product pe...
Embodiment 3
[0033] 1) Weigh the following raw materials in parts by weight: 75 parts of 13X-D molecular sieve powder; 20 parts of foreign crucible; 12 parts of sepiolite; 0.5 parts of high-density polyvinyl chloride; 5 parts of ammonium; 2 parts of copper oxide;
[0034] 2) Mix and ball mill 13X-D molecular sieve raw powder, ocean crucible, sepiolite, ammonium chloride, and copper oxide in step 1) to 250-300 mesh, then add to the reaction kettle, and store at 90-120°C under sealed conditions Hydrothermal crystallization at the temperature of 20-24h;
[0035] 3) Precipitate, wash, and dry the material after hydrothermal crystallization in step 2), and then dry it at a temperature of 160-200°C;
[0036] 4) Cool the dried raw materials in step 3) to normal temperature, mix them evenly with high-density polyvinyl chloride and carboxymethyl cellulose, granulate or extrude them, and bake them at 575°C for 5 hours to obtain the exfoliated Cu molecular sieve catalyst for mercaptan removal.
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