JP2013022498A - Detoxifying method of hydrogen sulfide - Google Patents
Detoxifying method of hydrogen sulfide Download PDFInfo
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- JP2013022498A JP2013022498A JP2011158560A JP2011158560A JP2013022498A JP 2013022498 A JP2013022498 A JP 2013022498A JP 2011158560 A JP2011158560 A JP 2011158560A JP 2011158560 A JP2011158560 A JP 2011158560A JP 2013022498 A JP2013022498 A JP 2013022498A
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Abstract
Description
本発明は、酸化鉄を用いた硫化水素の除害方法に関する。 The present invention relates to a method for removing hydrogen sulfide using iron oxide.
従来、特許文献１では、硫化水素含有ガスを酸化鉄系触媒と接触させる際、酸化鉄系触媒の温度を規定することで硫化水素を効率的に分解している。 Conventionally, in Patent Document 1, when a hydrogen sulfide-containing gas is brought into contact with an iron oxide catalyst, hydrogen sulfide is efficiently decomposed by defining the temperature of the iron oxide catalyst.
しかしながら上記特許文献１にあっては、硫化水素含有ガスの湿度と硫化水素除害量の関係については記載されていない。
本発明は上記問題点に着目してなされたものであり、その目的とするところは、硫化水素含有ガスの湿度を規定することにより、硫化水素の除害をより効率的に行うことにある。
However, in the said patent document 1, it does not describe about the relationship between the humidity of hydrogen sulfide containing gas, and a hydrogen sulfide detoxification amount.
The present invention has been made paying attention to the above-mentioned problems, and an object thereof is to more efficiently remove hydrogen sulfide by regulating the humidity of the hydrogen sulfide-containing gas.
上述の目的を解決するため、本願発明では、硫化水素含有ガスの湿度は、３０％以上であることとした。 In order to solve the above-described object, in the present invention, the humidity of the hydrogen sulfide-containing gas is 30% or more.
よって、硫化水素の除害をより効率的に行うことができる。 Therefore, the desulfurization of hydrogen sulfide can be performed more efficiently.
本発明の硫化水素の除害方法では、除害剤としてハニカム化した樹脂基材（ポリエステル等）に酸化鉄を添着させたものが用いられる（例えば、フジタ商会製：コルラインＳＣ−Ｇ−０８等）。この除害剤に、硫化水素含有ガスを接触させ、硫化水素を除害する。接触させる際は常温常圧であってもよいし、温度や圧力を適宜変更してもよい。なお、除害剤は粒状のものであってもよい。 In the method for removing hydrogen sulfide according to the present invention, a honeycomb base resin base material (polyester or the like) in which iron oxide is attached is used as a remover (for example, Colline SC-G-08 manufactured by Fujita Corporation). ). A hydrogen sulfide-containing gas is brought into contact with this detoxifying agent to detoxify the hydrogen sulfide. When contacting, normal temperature normal pressure may be sufficient and temperature and pressure may be changed suitably. In addition, granularity may be sufficient as a detoxifying agent.
除害剤は、樹脂基材を円筒状に捲回したものであってもよいし、複数の樹脂基材を積層したものであってもよい。この除害剤を容器内に格納し、硫化水素含有ガスをこの容器内に供給することで両者を接触させ、硫化水素除害後のガス出口からを排出する。供給される硫化水素含有ガスは、湿度が高くなるほど好ましく、３０％以上が好ましい。より好ましくは湿度１００％である。 The detoxifying agent may be one obtained by winding a resin substrate into a cylindrical shape, or may be a laminate of a plurality of resin substrates. The detoxifying agent is stored in a container, and a hydrogen sulfide-containing gas is supplied into the container so that they are brought into contact with each other and discharged from the gas outlet after hydrogen sulfide detoxification. The supplied hydrogen sulfide-containing gas is preferably as the humidity increases, and is preferably 30% or more. More preferably, the humidity is 100%.
［実施例１］
内径９００ｍｍ、高さ６７０ｍｍの円筒状の塩化ビニル製容器に除害剤（フジタ商会製：コルラインＳＣ−Ｇ−０８）を４２０リットル充填し、０．０１容量％（１００ｐｐｍ）の硫化水素含有ガス（Ａｉｒ：９９．９容量％）を容器に供給し、容器の入口、出口それぞれにおける硫化水素ガス濃度の検出を行った（ガステック社製ガス検知管、入口濃度測定用；型番 NO.４HM、出口濃度測定用；型番 NO.４LL）。硫化水素含有ガスの供給条件は、常圧下、２５℃、空間速度２５００（１/ｈ）、流量１７．５（ｍ３/ｍｉｎ）であり、湿度は３０％である。
[Example 1]
A cylindrical vinyl chloride container having an inner diameter of 900 mm and a height of 670 mm was filled with 420 liters of a detoxifying agent (Fujita Shokai: Colline SC-G-08), and 0.01% by volume (100 ppm) of hydrogen sulfide-containing gas ( Air: 99.9% by volume) was supplied to the container, and the hydrogen sulfide gas concentration at each of the container inlet and outlet was detected (Gastec gas detector tube, inlet concentration measurement; Model No. 4HM, outlet For concentration measurement; Model No. 4LL). The supply conditions of the hydrogen sulfide-containing gas are 25 ° C. under normal pressure, a space velocity of 2500 (1 / h), a flow rate of 17.5 (m 3 / min), and a humidity of 30%.
そして、容器出口において硫化水素が許容濃度である０．００１容量％（１０ｐｐｍ）となるまでの時間（破過時間）を硫化水素含有ガスの供給時間とし、この供給時間内に容器出口から排出された硫化水素の量を測定し、硫化水素の供給量と排出量の差に基づき、容器内で除害された硫化水素の量を求めた（表１参照）。 The time (breakthrough time) until hydrogen sulfide reaches an allowable concentration of 0.001% by volume (10 ppm) at the container outlet is defined as the supply time of the hydrogen sulfide-containing gas, and is discharged from the container outlet within this supply time. The amount of hydrogen sulfide removed was measured, and the amount of hydrogen sulfide detoxified in the container was determined based on the difference between the supply amount and discharge amount of hydrogen sulfide (see Table 1).
［実施例２］
容器内に供給する硫化水素含有ガスの湿度を１００％とし、容器内で除害された硫化水素の量を求めた（表１参照）。なお、湿度以外の条件は実施例１と同様である。
[Example 2]
The humidity of the hydrogen sulfide-containing gas supplied into the container was 100%, and the amount of hydrogen sulfide detoxified in the container was determined (see Table 1). The conditions other than humidity are the same as in the first embodiment.
［比較例］
容器内に供給する硫化水素含有ガスの湿度を０％とし、それ以外は実施例１、２と同じ条件として容器内で除害された硫化水素の量を求めた（表１参照）。
[Comparative example]
The amount of hydrogen sulfide detoxified in the container was determined under the same conditions as in Examples 1 and 2 except that the humidity of the hydrogen sulfide-containing gas supplied into the container was 0% (see Table 1).
表１から、湿度を３０％とした実施例１では、比較例と比べて硫化水素の除害量が増大することが明らかとなった。また、湿度を１００％とした実施例２では、実施例１よりもさらに除害量が増大することが確認された。したがって、硫化水素含有ガスの湿度を増大させるほど、硫化水素を効率的に除害できるものと推定される。 From Table 1, it was clarified that in Example 1 in which the humidity was 30%, the amount of hydrogen sulfide detoxification was increased compared to the comparative example. In Example 2 where the humidity was 100%, it was confirmed that the amount of detoxification was further increased compared to Example 1. Therefore, it is presumed that hydrogen sulfide can be more efficiently removed as the humidity of the hydrogen sulfide-containing gas is increased.
本発明は、ガス中の硫化水素除去方法および装置一般に適用される。 The present invention is generally applied to a method and apparatus for removing hydrogen sulfide in gas.
Claims (2)
前記硫化水素含有ガスの湿度は、３０％以上である
硫化水素の除害方法。 A method for removing hydrogen sulfide by bringing a gas containing hydrogen sulfide into contact with iron oxide,
The hydrogen sulfide-containing gas has a humidity of 30% or more.
前記硫化水素含有ガスの湿度は１００％である
硫化水素の除害方法。 The method for removing hydrogen sulfide according to claim 1,
The hydrogen sulfide-containing gas has a humidity of 100%.
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| JP2011158560A JP2013022498A (en) | 2011-07-20 | 2011-07-20 | Detoxifying method of hydrogen sulfide |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015077548A (en) * | 2013-10-16 | 2015-04-23 | 宇部興産株式会社 | Gas processing device and gas processing method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58112023A (en) * | 1981-12-25 | 1983-07-04 | Mitsubishi Electric Corp | Deodorizing apparatus |
| JPS62500084A (en) * | 1983-05-26 | 1987-01-16 | アゼルバイドザンスキー、インスチツート、ネフティ、イ、ヒミイ、イメーニ、エム．アジズベコワ | Catalyst for gas phase oxidation of sulfur compounds |
| JPH0576761A (en) * | 1991-09-25 | 1993-03-30 | Toda Kogyo Corp | Production of iron oxide catalyst for treatment of gaseous material |
| JPH0775715A (en) * | 1993-06-30 | 1995-03-20 | Hitachi Ltd | Malodorous gas deodorizing method and device therefor |
| JPH08196857A (en) * | 1995-01-23 | 1996-08-06 | Nippon Shokubai Co Ltd | Gas purification |
| JPH09503695A (en) * | 1993-09-17 | 1997-04-15 | ガステック エヌ．ファウ． | Catalyst for selectively oxidizing sulfur compounds to elemental sulfur, method for preparing the catalyst and method for selectively oxidizing sulfur compounds to elemental sulfur |
| EP1447124A1 (en) * | 2003-02-04 | 2004-08-18 | Gastec N.V. | Supported catalyst system for removing sulfur compounds from gases |
| JP2009106835A (en) * | 2007-10-29 | 2009-05-21 | Nikko Co | Deodorant and method of manufacturing deodorant product |
| JP2009125651A (en) * | 2007-11-22 | 2009-06-11 | Mino Ceramic Co Ltd | Decomposition-removing method of hydrogen sulfide gas, and decomposition treatment device of hydrogen sulfide gas |
| JP2010274178A (en) * | 2009-05-27 | 2010-12-09 | Kri Inc | Agent for removing volatile harmful material and method for manufacturing the same |
-
2011
- 2011-07-20 JP JP2011158560A patent/JP2013022498A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58112023A (en) * | 1981-12-25 | 1983-07-04 | Mitsubishi Electric Corp | Deodorizing apparatus |
| JPS62500084A (en) * | 1983-05-26 | 1987-01-16 | アゼルバイドザンスキー、インスチツート、ネフティ、イ、ヒミイ、イメーニ、エム．アジズベコワ | Catalyst for gas phase oxidation of sulfur compounds |
| JPH0576761A (en) * | 1991-09-25 | 1993-03-30 | Toda Kogyo Corp | Production of iron oxide catalyst for treatment of gaseous material |
| JPH0775715A (en) * | 1993-06-30 | 1995-03-20 | Hitachi Ltd | Malodorous gas deodorizing method and device therefor |
| JPH09503695A (en) * | 1993-09-17 | 1997-04-15 | ガステック エヌ．ファウ． | Catalyst for selectively oxidizing sulfur compounds to elemental sulfur, method for preparing the catalyst and method for selectively oxidizing sulfur compounds to elemental sulfur |
| JPH08196857A (en) * | 1995-01-23 | 1996-08-06 | Nippon Shokubai Co Ltd | Gas purification |
| EP1447124A1 (en) * | 2003-02-04 | 2004-08-18 | Gastec N.V. | Supported catalyst system for removing sulfur compounds from gases |
| JP2009106835A (en) * | 2007-10-29 | 2009-05-21 | Nikko Co | Deodorant and method of manufacturing deodorant product |
| JP2009125651A (en) * | 2007-11-22 | 2009-06-11 | Mino Ceramic Co Ltd | Decomposition-removing method of hydrogen sulfide gas, and decomposition treatment device of hydrogen sulfide gas |
| JP2010274178A (en) * | 2009-05-27 | 2010-12-09 | Kri Inc | Agent for removing volatile harmful material and method for manufacturing the same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015077548A (en) * | 2013-10-16 | 2015-04-23 | 宇部興産株式会社 | Gas processing device and gas processing method |
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