A device and method for catalytic rapid pyrolysis of biomass based on hydrogen overflow
A biomass and overflow technology, applied in the preparation of liquid hydrocarbon mixtures, the treatment of hydrocarbon oil, the petroleum industry, etc., can solve the problems of no direct recycling, low hydrocarbon content, high oxygen content, etc., and achieve high value The effect of improving the utilization of hydrocarbons, increasing the content of hydrocarbons, and improving process efficiency
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specific Embodiment 1
[0057] Include the following steps:
[0058] Step 1: Fill 50g of alumina particles 4 in the bubbling fluidized bed reactor, fill the feeder 7 with biomass raw material 8, Pt / TiO 2 The mixing ratio with ZSM-5 molecular sieve is 1:3, according to figure 1 The connection relationship shown connects the fast pyrolysis device;
[0059] Step 2: Open the valve of the hydrogen cylinder 1, adjust the hydrogen flow rate so that it flows through the carrier gas preheater 2 to preheat the hydrogen temperature to 275°C, and ensure that the alumina particles 4 in the bubbling fluidized bed reactor can be normal Fluidization, exhaust the air in the device;
[0060] Step 3: Send 10g of biomass raw material 8 into the bubbling fluidized bed reactor by using the feeder 7 to ensure that the composite catalyst 13 is 1 / 3 of the quality of the biomass raw material 8; start the pyrolysis reaction to generate pyrolysis gas, The pyrolysis temperature is 400°C, and the pyrolysis gas passes through t...
specific Embodiment 2
[0063] Include the following steps:
[0064] Step 1: Fill 50g of alumina particles 4 in the bubbling fluidized bed reactor, fill the feeder 7 with biomass raw material 8, Pt / TiO 2 The mixing ratio with ZSM-5 molecular sieve is 1:3, according to figure 1 The connection relationship shown connects the fast pyrolysis device;
[0065] Step 2: Open the hydrogen gas source 1 valve, adjust the hydrogen flow rate so that it flows through the carrier gas preheater 2 to preheat the hydrogen temperature to 275°C, and ensure that the alumina particles 4 in the bubbling fluidized bed reactor can be normal Fluidization, exhaust the air in the device;
[0066] Step 3: Send 10g of biomass raw material 8 into the bubbling fluidized bed reactor by using the feeder 7 to ensure that the composite catalyst 13 is 1 / 3 of the quality of the biomass raw material 8; start the pyrolysis reaction to generate pyrolysis gas, The pyrolysis temperature is 300°C, and the pyrolysis gas passes through the as...
specific Embodiment 3
[0069] Include the following steps:
[0070] Step 1: Fill 50g of alumina particles 4 in the bubbling fluidized bed reactor, fill the feeder 7 with biomass raw material 8, Pt / TiO 2 The mixing ratio with ZSM-5 molecular sieve is 3:1, according to figure 1 The connection relationship shown connects the fast pyrolysis device;
[0071] Step 2: Open the hydrogen gas source 1 valve, adjust the hydrogen flow rate so that it flows through the carrier gas preheater 2 to preheat the hydrogen temperature to 275°C, and ensure that the alumina particles 4 in the bubbling fluidized bed reactor can be normal Fluidization, exhaust the air in the device;
[0072] Step 3: Use the feeder 7 to send 10g of the biomass raw material 8 into the bubbling fluidized bed reactor to ensure that the composite catalyst 13 is three times the quality of the biomass raw material 8; start the pyrolysis reaction, generate pyrolysis gas, and heat The pyrolysis temperature is 400°C, the pyrolysis gas passes thro...
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