JP2021154290A - プロセス流中のハロゲン化物種を軽減するための材料および方法 - Google Patents
プロセス流中のハロゲン化物種を軽減するための材料および方法 Download PDFInfo
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- JP2021154290A JP2021154290A JP2021110671A JP2021110671A JP2021154290A JP 2021154290 A JP2021154290 A JP 2021154290A JP 2021110671 A JP2021110671 A JP 2021110671A JP 2021110671 A JP2021110671 A JP 2021110671A JP 2021154290 A JP2021154290 A JP 2021154290A
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Abstract
Description
本出願は、2016年8月19日に出願された米国特許仮出願第62/377,294号明細書、および2016年8月22日に出願された同第62/378,059号明細書の利益および優先権を主張し、それらの開示および内容は引用により全部、本明細書に編入する。
orous substrate retainer)の場合がある。プロセス流中の酸性ハロゲン化物種は、媒体中の反応物質と反応してハロゲン化物種を含まないプロセス流および中和されたハロゲン化物塩を生成することができる。中和されたハロゲン化物塩は、収着を介してリテイナー上に誘引され、そして保持される場合がある。反応物質は、第1族または第2族金属の1もしくは複数の活性酸化物を含む場合がある。反応物質は、第1族または第2族金属の1もしくは複数の活性酸化物および少なくとも1つの非酸性高表面積担体(non−acidic high surface area carrier)を含む場合がある。第1族または第2族金属の活性酸化物にはナトリウム、カリウム、マグネシウムおよびカルシウムの1もしくは複数のリン酸塩を含む場合がある。活性酸化物は、三塩基性リン酸カリウムを含む場合がある。担体は二酸化チタンを含む場合がある。反応物質は液体担体と混合または合わせてスラリーを形成する場合がある。液体担体は水を含む場合がある。スラリーはスラリーバインダーの分量を含む場合がある。プロセス流は最高3重量%(30,000ppm)の酸性種を含む場合がある。非酸性の高表面積担体は、グラムあたり最高300平方メートルの表面積を有する場合がある。反応物質またはスラリーは、基材リテイナーの表面上に配置させるか、または中に含侵させることができる。基材の物理的組成には、反応物質またはスラリーを含む場合がある。反応物質またはスラリーは、基材の組成物全体を構成する場合がある。基材は網状物(a reticulate)、モノリス、繊維状固体、または粒子結合固体(particle bonded solid)の場合がある。
Claims (28)
- プロセス流中のハロゲン化物種を処理する方法であって:
プロセス流を、反応物質および固体の多孔質基材リテイナーを含む媒体と接触させ;
プロセス流中のハロゲン化物種を媒体と反応させて、ハロゲン化物を含まないプロセス流および中和されたハロゲン化物塩を生成し;そして
中和されたハロゲン化物塩を固体の多孔質基材リテイナー上に誘引し、そして保持する、ことを含む、方法。 - 反応物質が第1族または第2族金属の1もしくは複数の活性酸化物を含む、請求項1に記載の方法。
- 反応物質が、第1族または第2族金属の1もしくは複数の活性酸化物と、少なくとも1つの非酸性の高表面積担体とを含む、請求項1に記載の方法。
- 第1族または第2族金属の活性酸化物が、ナトリウム、カリウム、マグネシウムおよびカルシウムの1もしくは複数のリン酸塩を含む、請求項2に記載の方法。
- 活性酸化物が三塩基性リン酸カリウムを含む、請求項2に記載の方法。
- 非酸性の高表面積担体が二酸化チタンを含む、請求項3に記載の方法。
- 反応物質が液体と組み合わされてスラリーを形成する、請求項1に記載の方法。
- 液体が水を含む、請求項7に記載の方法。
- スラリーがスラリーバインダーの分量を含む、請求項7に記載の方法。
- プロセス流が最高3重量%のハロゲン化物種を含む、請求項1に記載の方法。
- 非酸性の高表面積担体がグラムあたり最高300平方メートルの表面積を有する、請求項3に記載の方法。
- 反応物質またはスラリーが、基材リテイナーの表面上に配置されるか、または中に含侵される、請求項1に記載の方法。
- 基材リテイナーの物理的組成が、反応物質またはスラリーを含む、請求項1に記載の方法。
- 反応物質またはスラリーが基材リテイナーの全体を構成する、請求項1に記載の方法。
- 基材リテイナーが網状物である、請求項1に記載の方法。
- 基材リテイナーがモノリスである、請求項1に記載の方法。
- 基材リテイナーが繊維状固体である、請求項1に記載の方法。
- 基材リテイナーが粒子結合固体である、請求項1に記載の方法。
- プロセス流中のハロゲン化物種を処理するための媒体であって、媒体が反応物質および
固体の多孔質基材リテイナーを含み、ここで反応物質が第1族または第2族金属の1もしくは複数の活性酸化物を含む、媒体。 - 反応物質がさらに少なくとも1つの非酸性の高表面積担体を含む、請求項19に記載の反応媒体。
- 反応物質が液体と組み合わされてスラリーが形成される、請求項19に記載の反応媒体。
- 反応物質またはスラリーが、基材リテイナーの表面に組み込まれる、請求項19に記載の媒体。
- 基材リテイナーの物理的組成が反応物質またはスラリーを含む、請求項19に記載の反応媒体。
- 反応物質またはスラリーが基材リテイナーの全体を構成する、請求項19に記載の反応媒体。
- 活性酸化物が、ナトリウム、カリウム、マグネシウムおよびカルシウムの1もしくは複数のリン酸塩を含む、請求項19に記載の反応媒体。
- 活性酸化物が三塩基性リン酸カリウムを含む、請求項25に記載の反応媒体。
- 非酸性の高表面積担体が二酸化チタンを含む、請求項19に記載の反応媒体。
- ハロゲン化物が、塩化物、臭化物、フッ化物およびヨウ化物の1もしくは複数を含む、請求項19に記載の方法。
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