Composite absorbing agent for processing hydrogen phosphide gas and preparation method thereof
An absorbent, phosphine technology, applied in chemical instruments and methods, separation methods, dispersed particle separation, etc., can solve the problems of many reaction conditions, harsh reaction conditions, small absorption capacity, etc., to achieve simple post-processing and absorption effect. Good and easy post-processing effect
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Embodiment 1
[0026] In this embodiment, the raw materials of the composite solid absorbent for processing phosphine gas are constituted in parts by mass: 75 parts of potassium hypochlorite, 20 parts of sawdust, 2 parts of activated carbon powder, 1 part of graphite powder, and 2 parts of talcum powder;
[0027] The composite solid absorbent used to treat phosphine gas in this example is obtained by stirring and mixing by the equal multiplication method, and the specific operation steps are as follows:
[0028] Add activated carbon powder, graphite powder and talcum powder to the mixer under normal temperature and pressure, and mix well to obtain mixture a. Add wood chips to mixture a several times. The volume of wood chips added each time is equal to the volume of the material in the mixer. The volumes are equal, and after each sawdust is added, stir at a speed of 30 rpm for 10 minutes until all the sawdust is added to obtain mixture b;
[0029] Add potassium hypochlorite to the mixture b ...
Embodiment 2
[0033] In this embodiment, the raw materials of the composite solid absorbent for processing phosphine gas are constituted by mass parts: 85 parts of bleaching powder, 10 parts of sawdust, and 5 parts of activated carbon powder;
[0034] The composite solid absorbent used to treat phosphine gas in this example is obtained by stirring and mixing by the equal multiplication method, and the specific operation steps are as follows:
[0035] Add activated carbon powder to the mixer under normal temperature and pressure and stir evenly to obtain mixture a. Add wood chips to mixture a several times. The volume of wood chips added each time is equal to the volume of the material in the mixer. Add wood chips each time Finally, stir at a speed of 30 rpm for 10 minutes until all the sawdust is added to obtain the mixture b;
[0036] Add the bleaching powder several times to the mixture b. The volume of the bleaching powder added each time is equal to the volume of the material in the mix...
Embodiment 3
[0040] In this embodiment, the raw materials of the composite solid absorbent for processing phosphine gas are constituted in parts by mass: 75 parts of bleaching powder, 20 parts of sawdust, 2.5 parts of graphite powder, and 2.5 parts of talcum powder;
[0041] The composite solid absorbent used to treat phosphine gas in this example is obtained by stirring and mixing by the equal multiplication method, and the specific operation steps are as follows:
[0042] Add graphite powder and talcum powder to the mixer under normal temperature and pressure, and mix well to obtain mixture a. Add wood chips to mixture a several times, and the volume of the wood chips added each time is equal to the volume of the material in the mixer. Stir at a speed of 30 rpm for 10 minutes after each sawdust is added, until all the sawdust is added to obtain mixture b;
[0043] Add the bleaching powder several times to the mixture b. The volume of the bleaching powder added each time is equal to the vol...
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