Wood-pellet active carbon and preparation method thereof
A technology of wood activated carbon and wood particles, which is applied in chemical instruments and methods, inorganic chemistry, non-metallic elements, etc., can solve the problem of greatly reduced performance and working capacity, uneven distribution of pore structure and pore volume, and large gas flow resistance, etc. To achieve the effect of enhancing the adsorption and desorption effect, the effective pore size and pore volume, and the stable pore structure
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Embodiment 1
[0026] Wood granular activated carbon in the present embodiment, its main raw material composition weight ratio is woody activated carbon powder: organic nano-bentonite: water=1: 0.2: 0.85, after three kinds of raw materials are stirred evenly, granulate, after granulation dries, carry out physical Prepared after activation, the wood activated carbon powder is mixed with aged wood chips and 85% thermal food-grade phosphoric acid according to the weight ratio of wood chips: thermal food-grade phosphoric acid=1:1.2, after fully stirring and static staining, then It is activated by high-temperature carbonization, recycled, rinsed, dried and powdered. It is columnar or spherical granular activated carbon, and the particle size and length are generally controlled at 2.0mm in particle size and 3-6mm in length.
[0027] The present embodiment also proposes a kind of preparation method of woody activated carbon, comprises two main operations, and the first operation is the system wood...
Embodiment 2
[0044] Wood particle activated carbon in the present embodiment, its main raw material composition weight ratio is wood activated carbon powder: organic nano-bentonite: water=1: 0.22: 0.9, three kinds of raw materials are stirred after granulation, after granulation dries, carry out physical Prepared after activation, the wood activated carbon powder is mixed with aged wood chips and 85% thermal food-grade phosphoric acid according to the weight ratio of wood chips: thermal food-grade phosphoric acid=1:1.3, after fully stirring and static staining, then It is activated by high-temperature carbonization, recycled, rinsed, dried and powdered. It is columnar or spherical granular activated carbon, and the particle size and length are generally controlled at 2.0mm in particle size and 3-6mm in length.
[0045]The present embodiment also proposes a kind of preparation method of woody activated carbon, comprises two main operations, and the first operation is the system woody activa...
Embodiment 3
[0062] Wood granular activated carbon in the present embodiment, its main raw material composition weight ratio is woody activated carbon powder: organic nano-bentonite: water=1: 0.25: 1.0, after three kinds of raw materials are stirred evenly, granulate, after granulation dries, carry out physical Prepared after activation, the wood activated carbon powder is mixed with aged wood chips and 85% thermal food grade phosphoric acid according to the weight ratio of wood chips: thermal food grade phosphoric acid = 1: 1.4, after fully stirring and static staining, then It is activated by high-temperature carbonization, recycled, rinsed, dried and powdered. It is columnar or spherical granular activated carbon, and the particle size and length are generally controlled at 2.0mm in particle size and 3-6mm in length.
[0063] The present embodiment also proposes a kind of preparation method of woody activated carbon, comprises two main operations, and the first operation is the system w...
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