fig1

Figure 1. Reaction performance of HBeta zeolites before and after nitridation. Reaction conditions: 320 °C, 6 h, methyl acetate/formaldehyde molar ratio = 4. HBeta: H-form Beta; NBeta: nitrogen-containing Beta.
Figure 1. Reaction performance of HBeta zeolites before and after nitridation. Reaction conditions: 320 °C, 6 h, methyl acetate/formaldehyde molar ratio = 4. HBeta: H-form Beta; NBeta: nitrogen-containing Beta.
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