KR101243605B1 - 열수분해에 의한 폐기물 처리와 고효율 에너지를 생산하는 방법및 장치 - Google Patents
열수분해에 의한 폐기물 처리와 고효율 에너지를 생산하는 방법및 장치 Download PDFInfo
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- solid fuel
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- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
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- 125000001309 chloro group Chemical group Cl* 0.000 description 2
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- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
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- 230000002411 adverse Effects 0.000 description 1
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- 239000002956 ash Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
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- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
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- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
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- C10L9/00—Treating solid fuels to improve their combustion
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Abstract
Description
도 2는 본 발명에 따르는 폐기물 처리 공정의 다른예를 도시한 블록 다이어그램이다.
Claims (14)
- (a) 폐기물을 170~250℃ 및 18~25bar의 증기와 혼합하여 열수분해하는 단계;
(b) 상기 단계 (a)의 결과물을 중력, 원심력, 또는 가압력을 이용해 고형물과 액상물로 분리하는 단계;
(c) 상기 단계 (b)에서 분리된 고형물을 건조시켜 고형연료를 제조하는 단계;
(d) 상기 단계 (c)에서 제조된 고형연료를 연소시키는 단계;
(e) 상기 단계 (d)에서 발생한 연소가스를 세정하는 단계;
(f) 상기 단계 (d)에서 발생한 열을 이용하여 단계 (a)에 사용되는 170~250℃ 및 18~25bar의 증기를 생성하는 단계; 및
(g) 상기 단계 (b)에서 분리된 액상물을 정화시켜 배출하는 단계를 포함하는, 폐기물 처리 방법.
- 제1항에 있어서,
상기 단계 (a)의 열수분해 반응은, Ca, Mg, K 및 Na 중에서 선택된 하나 이상의 금속의 산화물, 수산화물 또는 탄산염을 첨가하여 실시되는 것을 특징으로 하는, 폐기물 처리 방법. - 제1항에 있어서,
상기 단계 (e)의 세정 공정이, 건식 세정; H2SO4, HCl, NaOH, (CH3)2S, (CH3)2S2, Na2SO3, 및 O3 중에서 선택된 하나 이상을 이용한 습식세정; 또는 이들의 조합에 의해 수행되는 것을 특징으로 하는, 폐기물 처리 방법. - 제1항에 있어서,
상기 단계 (e)의 세정 공정이, HCl, CO2, CO, NOx, SOx 및 중금속 중에서 선택되는 하나 이상의 오염물질을 제거하는 것을 특징으로 하는, 폐기물 처리방법. - 제1항에 있어서,
상기 단계 (e)에서 배출된 가스가, 상기 단계 (c)에서 건조에 사용된 뒤 대기로 배출되는 것을 특징으로 하는, 폐기물 처리방법. - 제1항에 있어서,
상기 단계 (d)에서 발생한 열을 이용하여 증기를 발생시키고 상기 증기를 이용하여 전기를 생성하는 단계를 추가로 구비하는 것을 특징으로 하는, 폐기물 처리방법. - 제1항에 있어서,
상기 폐기물은, 유기성분을 함유하는 도시고형폐기물, 하폐수슬러지, 가축분뇨, 음식폐기물, 농업부산물 또는 이들이 혼합된 형태인 것을 특징으로 하는, 폐기물 처리방법. - (a) 폐기물을 170~250℃ 및 18~25bar의 증기와 혼합시켜 열수분해하는 반응기;
(b) 상기 반응기(a)의 결과물을 중력, 원심력, 또는 가압력을 이용해 고형물과 액상물로 분리하는 분리기;
(c) 상기 분리기(b)에서 분리된 고형물을 건조시켜 고형연료를 얻는 건조기;
(d) 상기 건조기(c)로부터 제조된 고형연료를 연소시키는 연소기;
(e) 상기 연소기(d)에서 발생한 연소가스를 세정하는 세정기;
(f) 상기 연소기(d)에서 발생한 열을 이용하여 반응기(a)에 공급되는 170~250℃ 및 18~25bar의 증기를 생성하는 보일러; 및
(g) 상기 분리기(b)로부터 분리된 액상물을 정화시키는 정화기를 포함하는, 폐기물 처리설비. - 제8항에 있어서,
상기 반응기(a)는, Ca, Mg, K 및 Na 중에서 선택된 하나 이상의 금속의 산화물, 수산화물 또는 탄산염을 첨가하여 열수분해 반응을 실시하는 것을 특징으로 하는, 폐기물 처리설비. - 제8항에 있어서,
상기 세정기(e)는, 건식 세정; H2SO4, HCl, NaOH, (CH3)2S, (CH3)2S2, Na2SO3, 및 O3 중에서 선택된 하나 이상을 이용한 습식세정; 또는 이들의 조합을 수행하는 것을 특징으로 하는, 폐기물 처리 설비. - 제8항에 있어서,
상기 세정기(e)는, HCl, CO2, CO, NOx, SOx, 및 중금속 중에서 선택되는 하나 이상의 오염물질을 제거하는 것을 특징으로 하는, 폐기물 처리설비. - 제8항에 있어서,
상기 세정기(e)에서 배출된 가스가, 상기 건조기(c)의 건조과정에 사용한 뒤 대기로 배출되는 것을 특징으로 하는, 폐기물 처리방법. - 제8항에 있어서,
상기 연소기(d)에서 발생한 열을 이용하여 증기를 생성시키는 보일러; 및 상기 생성된 증기를 이용하여 전기를 생성하는 발전기를 추가로 구비하는 것을 특징으로 하는, 폐기물 처리설비. - 제8항에 있어서,
상기 폐기물은, 유기성분을 함유하는 도시고형폐기물, 하폐수슬러지, 가축분뇨, 음식폐기물, 농업부산물 또는 이들이 혼합된 형태인 것을 특징으로 하는, 폐기물 처리설비.
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US20140309475A1 (en) | 2014-10-16 |
KR20120099810A (ko) | 2012-09-12 |
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JP2013511386A (ja) | 2013-04-04 |
CN102906502A (zh) | 2013-01-30 |
WO2011065710A2 (en) | 2011-06-03 |
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