Catalyst for acid and halogen gas treatment and production method thereof

A halogen gas and acid gas technology, applied in separation methods, greenhouse gas capture, chemical instruments and methods, etc., can solve the problems of high energy consumption efficiency, poor efficiency, pollution and other problems of electric heating

Inactive Publication Date: 2009-10-07
刘宝珠
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The water-washing type is difficult to meet the strict environmental protection standards due to the poor performance, large water consumption and the generation of a lot of waste water; the combusti

Method used

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  • Catalyst for acid and halogen gas treatment and production method thereof
  • Catalyst for acid and halogen gas treatment and production method thereof
  • Catalyst for acid and halogen gas treatment and production method thereof

Examples

Experimental program
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specific example

[0020] Representative specific examples of the catalyst of the present invention include the following three series:

[0021] 1. DT-H-001 series:

[0022] Soak saturated potassium carbonate (KCO3) with activated carbon particles 2 CO 3 ), potassium bicarbonate (KHCO 3 ), potassium hydroxide (KOH), sodium carbonate (Na 2 CO 3 ), sodium bicarbonate (NaHCO 3 ), sodium hydroxide (NaOH), lithium carbonate (Li 2 CO 3 ), lithium bicarbonate (LiHCO 3 ) and / or lithium hydroxide (LiOH) and other aqueous solutions or alcohol solutions of about 20-70%, drained after several hours, and then dried at 60-250°C for 2-48 hours to obtain the finished product. According to different gas requirements, prepare different alkaline solutions for soaking to obtain high-efficiency treatment catalysts with different characteristics. It can mainly treat gases such as halogens and hydrogen halides, and can also be used as a catalyst for treating perfluorocarbons (PFCs) gases.

[0023] 2. DT-...

Embodiment 1

[0031] Example 1: DT-H-001 Series Activated Carbon Immersion Potassium Hydroxide (KOH) / Potassium Carbonate (K 2 CO 3 ) method of manufacture

[0032] one of the above DT-H-001 A series of decomposition catalysts can be manufactured according to the following steps:

[0033] 1. Take 10-30g potassium hydroxide (KOH) and add 10-30g potassium carbonate (KOH) 2 CO 3 ) into 100ml of water and stirred to completely dissolve;

[0034] 2. Add 20-70g of activated carbon and soak at room temperature to 90°C for 2-36 hours;

[0035] 3. Take it out and drain it, put it in an oven and dry it at 60-250°C for 2-48 hours to complete.

Embodiment 2

[0036] Example 2: DT-H-002 series of calcium hydroxide (Ca(OH) 2 ), calcium carbonate (CaCO 3 )、 Magnesium oxide (MgO), nickel trioxide (Ni 2 O 3 ), iron oxide monohydrate (Fe 2 O 3 .H 2 O)、 Iron oxide (Fe 2 O 3 ) mixed type of manufacturing method

[0037] one of the above DT-H-002 A series of decomposition catalysts can be manufactured according to the following steps:

[0038] 1. Take 20-80g calcium hydroxide (Ca(OH) 2 ) plus 5-50g calcium carbonate (CaCO 3 ) plus 5-50g magnesium oxide (MgO) plus 2-10g nickel trioxide (Ni 2 o 3 ) plus 2 to 10 g of iron oxide monohydrate (Fe 2 o 3 .H 2 O) add 20~50g iron oxide (Fe 2 o 3 ) plus 30g of silicon dioxide (SiO 2 ) mix and stir evenly;

[0039] 2. Add 10-50ml of 2-40% PVA and 5-20ml of water and stir well;

[0040] 3. Granulate according to the required shape and specification;

[0041] 4. Put it in an oven and dry it at 60-300°C for 6-48 hours to complete.

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Abstract

The invention provides a catalyst capable of treating acid gas and halogen gas and a production method thereof. The acid gas and halogen gas are gas such as hydrogen chloride (HCl), hydrogen fluoride (HF), hydrogen bromide (HBr), hydrogen iodide (HI), fluorine gas (F2), chlorine gas (Cl2), bromine (Br2), iodine (I2), chlorine trifluoride (ClF3), phosphine (PH3), phosphorus trichloride (PCl3), phosphorus pentachloride (PCl5), phosphorus oxychloride (POCl3), phosphorus pentoxide (P2O5), arsine (AsH3), silicane (SiH4), silicane tetrafluoride (SiF4), silicane tetrachloride (SiCl4), silicane trichloride (SiHCl3), silicane dichloride (SiH2Cl2), boron trifluoride (BF3), boron trichloride (BCl3), germanium tetrachloride (GeCl4), single-Germane (GeH4), nitric oxide (NO), nitrogen dioxide (NO2), sulfur dioxide (SO2), sulfur trioxide (SO3 ), sulfur hexafluoride (SF6), and the like. The catalyst comprises one or more of the following carrier materials: activated carbon, gumbrine, diatomite, cement, silica sand, ceramic materials, and the like; and the catalyst also comprises one or more of the following metal compounds: hydroxides, oxides, carbonates and supercarbonate of alkali metals, hydroxides, oxides, carbonates and supercarbonate of alkaline-earth metals, oxides of IIIA-group metals, oxides of IVA-group metals, as well as oxides, oxide hydrate, sulphates and carbonates of transition metals.

Description

technical field [0001] The present invention relates to a catalyst capable of treating acid gas and halogen gas and its production method, especially a catalyst capable of decomposing acid gas and halogen process gas produced in the semiconductor and photovoltaic panel industry process and its production method. Background technique [0002] Due to the fact that the global climate anomalies have become more and more significant in recent years, the waste produced by various industries has also caused more and more damage to the environment. Advanced countries, environmental protection groups and even cutting-edge technology industries have all paid attention to various waste pollution problems. , especially the impact of gas emissions is the most direct and rapid, and the impact of acid gases and halogen gases cannot be ignored. [0003] The impact of acidic gas and halogen gas on the ecological environment is not only acid rain, but also make the surrounding organisms unabl...

Claims

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Application Information

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IPC IPC(8): B01J27/232B01J23/78B01J27/055B01J23/889B01D53/86
CPCY02C20/30
Inventor 刘宝珠
Owner 刘宝珠
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