KR101764159B1 - 연도 가스로부터 수은 제거 방법 - Google Patents
연도 가스로부터 수은 제거 방법 Download PDFInfo
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Abstract
Description
도 2는 활성탄의 주입 속도에 대한 수은의 제거 백분율을 비교하는 도면.
Claims (36)
- 중금속 배출물들을 감소하기 위한 방법으로서,
연소실에서 중금속 함유 연료를 연소하는 단계;
상기 연소실 내로 또는 상기 중금속 함유 연료의 연소의 결과로서 생성된 배기 스트림 내로 분자 할로겐 또는 하나 이상의 할로겐 전구체를 주입하는 단계; 및
상기 연소실에서 상기 중금속 함유 연료의 연소로부터 초래되는 배기 스트림 내로 15㎛ 미만의 평균 입자 지름을 가지는 흡착제를 주입하는 단계;를 포함하며,
상기 흡착제는 공기 예열기(APH)의 상류의 배기 스트림 내로 주입되고,
상기 할로겐 및 흡착제는 흡착제의 파운드(lb)당 할로겐 0.7몰 내지 5.7몰의 비율로 주입되는, 중금속 배출물들을 감소하기 위한 방법. - 제 1 항에 있어서,
상기 할로겐 및 흡착제는 흡착제의 파운드(lb)당 할로겐 0.8몰 내지 3.1몰의 비율로 주입되는, 중금속 배출물들을 감소하기 위한 방법. - 제 1 항에 있어서,
상기 할로겐 및 흡착제는 흡착제의 파운드(lb)당 할로겐 2.0몰의 비율로 주입되는, 중금속 배출물들을 감소하기 위한 방법. - 제 1 항에 있어서,
상기 흡착제는 활성탄인, 중금속 배출물들을 감소하기 위한 방법. - 제 1 항에 있어서,
상기 하나 이상의 할로겐 전구체는 하이포아염소산칼슘, 하이포아브롬산염칼슘, 하이포아요오드산염칼슘, 염화칼슘, 브롬화칼슘, 요오드화칼슘, 염화마그네슘, 브롬화마그네슘, 요오드화마그네슘, 염화나트륨, 브롬화나트륨, 요오드화나트륨, 염화암모늄, 브롬화암모늄, 요오드화암모늄, 3-염화포타슘, 3-브롬화포타슘, 및 3-요오드화포타슘으로 이루어진 그룹으로터 선택되는, 중금속 배출물들을 감소하기 위한 방법. - 제 1 항에 있어서,
상기 할로겐 전구체는 브롬화칼슘 (CaBr2), 브롬화암모늄 (NH4Br), 및 브롬화칼슘 (CaBr2), 브롬화암모늄 (NH4Br)의 조합들로 이루어진 그룹으로부터 선택되는, 중금속 배출물들을 감소하기 위한 방법. - 제 1 항에 있어서,
상기 할로겐 전구체는 수용액에 있는, 중금속 배출물들을 감소하기 위한 방법. - 제 1 항에 있어서, 상기 할로겐 전구체는 고체인, 중금속 배출물들을 감소하기 위한 방법.
- 제 1 항에 있어서,
상기 할로겐 또는 할로겐 전구체는 기체인, 중금속 배출물들을 감소하기 위한 방법. - 제 1 항에 있어서,
상기 할로겐 또는 할로겐 전구체는 1000℉보다 높은 온도를 가지는 배기 스트림 내로 주입되는, 중금속 배출물들을 감소하기 위한 방법. - 제 1 항에 있어서,
상기 흡착제는 2㎛ 내지 10㎛의 평균 입자 지름(MPD)을 가지는, 중금속 배출물들을 감소하기 위한 방법. - 제 1 항에 있어서,
상기 흡착제는 실제 100만 입방 피트당(per million actual cubic feet) 5파운드(lb/MMacf) 미만, 4 lb/MMacf 미만, 3 lb/MMacf 미만, 및 1 lb/MMacf 미만으로 이루어진 그룹으로부터 선택된 비율로 상기 배기 스트림 내로 주입되는, 중금속 배출물들을 감소하기 위한 방법. - 제 1 항에 있어서,
상기 흡착제는 100 lb/hr 미만의 속도로 상기 배기 스트림 내로 주입되는, 중금속 배출물들을 감소하기 위한 방법. - 제 1 항에 있어서,
상기 흡착제는 공기 예열기(APH)의 상류에서 주입되는, 중금속 배출물들을 감소하기 위한 방법. - 제 1 항에 있어서,
상기 중금속 함유 연료에 있는 수은의 90%가 제거되는, 중금속 배출물들을 감소하기 위한 방법. - 제 1 항에 있어서,
상기 중금속 함유 연료는 석탄인, 중금속 배출물들을 감소하기 위한 방법. - 제 1 항에 있어서,
상기 할로겐 또는 할로겐 전구체는 상기 연소실로 주입되는, 중금속 배출물들을 감소하기 위한 방법. - 제 1 항에 있어서,
상기 할로겐 전구체는, 상기 연료가 상기 연소실 내로 주입되기 전에 상기 연료에 적용되는, 중금속 배출물들을 감소하기 위한 방법. - 제 1 항에 있어서,
상기 할로겐은 상기 흡착제에 적용되는, 중금속 배출물들을 감소하기 위한 방법. - 제 17 항에 있어서,
상기 흡착제는 2㎛ 내지 10㎛의 평균 입자 지름(MPD)을 가지는, 중금속 배출물들을 감소하기 위한 방법. - 제 17 항에 있어서,
상기 할로겐은 흡착제의 파운드당 할로겐 0.7몰 내지 흡착제의 파운드당 할로겐 5.7몰의 농도로 상기 흡착제에 제공되는, 중금속 배출물들을 감소하기 위한 방법. - 제 17 항에 있어서,
상기 할로겐은 흡착제의 파운드당 할로겐 0.8몰 내지 흡착제의 파운드당 할로겐 3.1몰의 농도로 상기 흡착제에 제공되는, 중금속 배출물들을 감소하기 위한 방법. - 제 17 항에 있어서,
상기 흡착제는 6㎛의 평균 입자 지름(MPD)을 가지며, 상기 할로겐은 흡착제의 파운드당 할로겐 2.0몰의 최종 농도를 만들도록 상기 흡착제에 적용되는, 중금속 배출물들을 감소하기 위한 방법. - 제 17 항에 있어서,
상기 흡착제는 6㎛의 평균 입자 지름(MPD)을 가지는 활성탄이며, 상기 할로겐은 흡착제의 파운드당 할로겐 2.0몰의 최종 농도를 만들도록 상기 활성탄에 적용되는, 중금속 배출물들을 감소하기 위한 방법. - 제 17 항에 있어서,
상기 할로겐은 습식 함침에 의해 상기 흡착제에 적용되는, 중금속 배출물들을 감소하기 위한 방법. - 제 17 항에 있어서,
상기 할로겐은 건조 할로겐 염과 건조 활성탄의 결합에 의해 상기 흡착제에 적용되는, 중금속 배출물들을 감소하기 위한 방법. - 제 26 항에 있어서,
상기 할로겐 염은 브롬화칼슘 (CaBr2), 브롬화암모늄 (NH4Br) 및, 브롬화칼슘 (CaBr2)과 브롬화암모늄 (NH4Br)의 조합들로 이루어진 그룹으로부터 선택되는, 중금속 배출물들을 감소하기 위한 방법. - 삭제
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US20140245936A1 (en) | 2014-09-04 |
JP2013527416A (ja) | 2013-06-27 |
RU2012147074A (ru) | 2014-05-20 |
US8309046B2 (en) | 2012-11-13 |
RU2531303C2 (ru) | 2014-10-20 |
EP2555851A2 (en) | 2013-02-13 |
AU2011237443B2 (en) | 2014-02-20 |
WO2011127323A2 (en) | 2011-10-13 |
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