KR20190005830A - 삼투 및 혐기성 폐수 처리를 이용한 전력 생산 방법 - Google Patents
삼투 및 혐기성 폐수 처리를 이용한 전력 생산 방법 Download PDFInfo
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Abstract
Description
도 2는 따듯한 살린(saline) 지열 스트림이 삼투 전력 유닛을 통과하기 전에 열교환기를 통과하는 본 발명의 대안적 구체예의 개략도를 보여주고,
도 3은 복수의 삼투 유닛이 사용되는 도 1의 변형을 보여주고,
도 4는 대안적 인풋 스트림을 갖는 도 3의 변형을 보여주고,
도 5는 대안적 아웃풋 스트림을 갖는 도 4의 변형을 보여주고,
도 6은 삼투 전력 유닛을 보여주고,
도 7은 바이오가스 전력 유닛을 보여준다.
Claims (17)
- - 유기물을 포함하는 폐수 스트림을 수용하는 단계,
- 폐수 스트림을 혐기성 소화조로 도입하여, 이에 포함된 유기물을 분해하여 바이오가스를 생산하는 단계를 포함하고,
폐수 스트림을 삼투 전력 유닛을 통과시킴에 의하여 상기 폐수 스트림의 액상 함량은 상기 스트림이 혐기성 소화조로 도입되기 전에 감소하고, 삼투 전력 유닛 내에서 상기 스트림은 물은 투과시키고, 염분은 투과시키지 않는 반투과성 막의 일 면으로 흐르고, 상기 폐수 스트림보다 고 염도의 액상 스트림은 상기 막의 다른 면으로 흘러, 고 염도의 상기 액상 스트림에 존재하는 잠재 삼투 에너지가 전기로 변환되는 것을 특징으로 하는 전력 생산 방법.
- 제1항에 있어서, 상기 방법은 지열 포메이션으로부터 따듯한 염분 스트림을 추출하고, 상기 염분 스트림을 고 염도의 액상 스트림으로 사용하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제2항에 있어서, 상기 따듯한 염분 스트림은 적어도 45 °C의 온도를 갖는 것을 특징으로 하는 방법.
- 제3항에 있어서, 상기 따듯한 염분 스트림은 적어도 55 °C의 온도를 갖는 것을 특징으로 하는 방법.
- 제2항 내지 제4항 중 어느 한 항에 있어서, 상기 방법은 열 에너지를 따듯한 염분 스트림으로부터 추출하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 고 염도의 액상 스트림은 적어도 10 wt%의 염분 함량을 갖는 것을 특징으로 하는 방법.
- 제6항에 있어서, 고 염도 액상 스트림은 적어도 15 wt%의 염분 함량을 갖는 것을 특징으로 하는 방법.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 폐수 스트림은 삼투 전력 유닛을 통하여 투과되기 전에 5 wt%까지의 고상 함량을 갖는 것을 특징으로 하는 방법.
- 제8항에 있어서, 폐수 스트림은 삼투 전력 유닛 투과 전에 0.5 내지 1.5 wt% 범위의 고상 함량을 갖는 것을 특징으로 하는 방법.
- 제8항에 있어서, 폐수 스트림은 삼투 전력 유닛 투과 후에 4 내지 8 wt% 범위의 고상 함량을 갖는 것을 특징으로 하는 방법.
- 제1항 내지 제10항 중 어느 한 항에 있어서, 삼투 전력 유닛에 의하여 생산되는 전기는 폐수 처리 방법의 다른 단계를 구동하기 위하여 사용되는 것을 특징으로 하는 방법.
- 제1항 내지 제11항 중 어느 한 항에 있어서, 폐수는 도시의 폐수 또는 산업 폐수인 것을 특징으로 하는 방법.
- 제1항 내지 제12항 중 어느 한 항에 있어서, 폐수는 하수인 것을 특징으로 하는 방법.
- 제1항 내지 제14항 중 어느 한 항에 있어서, 삼투 전력 유닛은 하나 이상의 삼투 유닛을 포함하고, 각각은 물은 투과시키고 염분은 투과시키지 않는 반투과성 막을 포함하는 것을 특징으로 하는 방법.
- 제13항에 있어서, 하나의 삼투 유닛으로부터의 아웃풋 스트림은 제2 삼투 유닛을 위한 인풋 스트림으로 사용되는 것을 특징으로 하는 방법.
- - 폐수 스트림으로의 연결부,
- 염분 스트림으로의 연결부,
- 혐기성 소화조 내의 슬러지를 분해함에 의하여 전력을 생산하기 위하여 배치되는 바이오가스 전력 유닛, 및
- 염분 스트림과 폐수 스트림 사이의 염분 차이를 이용하여 압력지연 삼투(PRO)를 통하여 전기를 생산하기 위하여 배치되는 삼투 전력 유닛을 포함하고,
삼투 전력 유닛에 의하여 농축된 폐수 스트림 아웃풋은 슬러지로서의 사용을 위하여 바이오가스 전력 유닛으로 이동되는 것을 특징으로 하는 전력 생산 시스템.
- - 지열 포메이션으로부터 따듯한 염분 스트림을 추출하는 단계;
- 유기물을 포함하는 폐수 스트림을 얻는 단계;
- 따듯한 염분 스트림에 존재하는 열 에너지를 전기로 변환하고 및/또는 따듯한 염분 스트림에 존재하는 열 에너지를 사용하여 폐수 스트림의 온도를 증가시키는 단계;
- 상기 염분 스트림에 존재하는 잠재 삼투 에너지를 전기로 변환하고, (i) 삼투 전력 생산 방법의 저 염도 주입 스트림으로 폐수를 사용하고, (ii) 삼투 전력 생산 방법의 고 염도 주입 스트림으로 염분 스트림을 사용함에 의하여 상기 폐수 스트림의 물 함량을 감소시키는 단계; 및
삼투 전력 생산 방법의 결과로 농축된 폐수를 혐기성 소화조로 보내고, 혐기성 소화조에서 상기 폐수에 포함된 유기물의 분해로부터 바이오가스가 생산되는 단계를 포함하는 전력 생산방법.
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US201662303639P | 2016-03-04 | 2016-03-04 | |
US62/303,639 | 2016-03-04 | ||
GBGB1605070.0A GB201605070D0 (en) | 2016-03-24 | 2016-03-24 | Power generation process |
GB1605070.0 | 2016-03-24 | ||
PCT/EP2017/054973 WO2017149102A1 (en) | 2016-03-04 | 2017-03-02 | Power generation process using osmosis and anaerobic wastewater treatment |
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US20160002073A1 (en) * | 2013-02-13 | 2016-01-07 | Oasys Water, Inc. | Renewable desalination of brines |
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EP3423417A1 (en) | 2019-01-09 |
CN109071274A (zh) | 2018-12-21 |
AU2017226946B2 (en) | 2022-03-10 |
GB201605070D0 (en) | 2016-05-11 |
KR102315309B1 (ko) | 2021-10-20 |
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AU2017226946A1 (en) | 2018-08-30 |
IL261576B (en) | 2022-03-01 |
CN109071274B (zh) | 2021-12-24 |
IL261576A (en) | 2018-10-31 |
JP6960934B2 (ja) | 2021-11-05 |
CA3015946A1 (en) | 2017-09-08 |
US10968128B2 (en) | 2021-04-06 |
JP2019508240A (ja) | 2019-03-28 |
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