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Novel desulfurization and denitrification activated carbon

A new desulfurization, desulfurization and denitrification technology, applied in inorganic chemistry, gas treatment, membrane technology, etc., can solve the problems of low strength and wear resistance of activated carbon, fewer cycles of use, and low desulfurization and denitrification efficiency, and achieve high pressure resistance and desulfurization speed. Fast, effective results

Pending Publication Date: 2019-09-20
尹金彦
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention solves the problem of the discharge of harmful and toxic substances produced by using coal tar as a binder in the current production process of desulfurization and denitrification activated carbon. For the problems of slow speed and low cycle times, a new type of desulfurization and denitrification activated carbon is provided, which overcomes the above shortcomings in application, and provides a desulfurization and denitrification activated carbon produced with bentonite, alumina, and starch as binders. Impact resistance, wear resistance, improve the adsorption capacity of activated carbon for sulfur dioxide, accelerate the desulfurization speed, the effect of desulfurization and denitrification is remarkable, and the activated carbon with many recycling times

Method used

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Embodiment 1

[0027] Such as figure 1 As shown, a new type of desulfurization and denitrification activated carbon is characterized in that the main components of the desulfurization and denitration activated carbon are: coal powder, bentonite, alumina, starch, wherein the ratio of coal powder, bentonite, alumina, starch by weight percentage is: 1:(0.08-0.2):(0.01-0.2):(0.01-0.2). The processing technology of the desulfurization and denitrification activated carbon is as follows: the raw material is pulverized, and the weight ratio of anthracite, bituminous coal (or semi-coal) and coking coal is adjustable at 35:35:30. In the pulverizer, the mixed coal is ground into 200-mesh mixed coal powder with a pass rate of 95% or more, and the coal powder, bentonite, alumina, and starch are 1 by weight: (0.08-0.2): (0.01-0.2): (0.01- 0.2) Add to the mixing pot and mix for 10-20 minutes, add appropriate amount of water and stir for 30 minutes to make the materials fully blend and evenly adhere, and p...

Embodiment 2

[0029] Such as figure 1 As shown, a novel desulfurization and denitrification activated carbon is characterized in that the main components of the desulfurization and denitrification activated carbon are: coal powder, bentonite, alumina, starch, wherein the ratio of coal powder, bentonite, alumina, starch by weight percentage is: 1:(0.08-0.2):(0.01-0.2):(0.01-0.2). The processing technology of the desulfurization and denitrification activated carbon is as follows: the raw material is pulverized, and the weight ratio of anthracite, bituminous coal (or semi-coal) and coking coal is adjustable at 35:35:30. In the pulverizer, the mixed coal is ground into 200-mesh mixed coal powder with a pass rate of 95% or more, and the coal powder, bentonite, alumina, and starch are 1 by weight: (0.08-0.2): (0.01-0.2): (0.01- 0.2) Add to the mixing pot and mix for 10-20 minutes, add appropriate amount of water and stir for 30 minutes to make the materials fully blend and evenly adhere, and produ...

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Abstract

The invention discloses novel desulfurization and denitrification activated carbon, which mainly comprises pulverized coal, bentonite, aluminum oxide and starch, the weight percentage ratio of the components being 1:(0.08-0.2):(0.01-0.2):(0.01-0.2) correspondingly. A preparation method comprises the following steps: grinding the raw materials according to the mixing ratio, mixing and molding the powders, drying, carbonizing and activating the mixture, and sieving and packaging the mixture to produce the novel desulfurization and denitrification activated carbon. The product has high pressure resistance, impact resistance and wear resistance in actual use; the activated carbon has the advantages of high sulfur dioxide adsorption capacity, high desulfurization speed and obvious desulfurization and denitrification effects, can be repeatedly recycled, and has favorable removal effects on various harmful substances such as SO2, NO, mercury, dioxin, dust and the like and harmful substances such as SO3 which are difficult to remove by the conventional wet process.

Description

technical field [0001] The invention relates to activated carbon production technology, in particular to a novel desulfurization and denitrification activated carbon. Background technique [0002] The effect of coal-based granular activated carbon on desulfurization and denitrification: the binder used in the production of desulfurization and denitrification activated carbon-high-temperature coal tar is a high-aromatic hydrocarbon, and the common organic substances are benzene, toluene, xylene, butane, hexane Alkanes, etc., are extremely harmful to the human body, can induce various diseases, damage the mental system, and cause cancer. They are easy to explode when exposed to open flames and high heat. When coking coal with a higher cohesive index is used as raw material, the amount of tar can be reduced, but in actual operation, it is found that the amount of tar added cannot make the material shape or there are more wastes due to poor strength, and the carbonization proces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B32/318B01J20/20B01J20/30B01D53/02B01D53/86B01D53/60B01D53/64B01D53/44
CPCC01B32/318B01J20/20B01J20/12B01J20/08B01J20/3042B01D53/02B01D53/8637B01D53/8665B01D53/8687B01D2257/602Y02A50/20
Inventor 尹金彦尹崇宁张煜东
Owner 尹金彦
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