KR101984674B1 - 원유 시설의 부식을 감소시키기 위한 시스템 파라미터 측정 방법 및 장치 - Google Patents
원유 시설의 부식을 감소시키기 위한 시스템 파라미터 측정 방법 및 장치 Download PDFInfo
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Abstract
Description
도 2는 각기 다른 pH에서의 등흡광점들을 이용하여 액체 시료의 파라미터들을 측정하는 있는 방법을 보여주는 그래프들이며, 이 그래프들에서 좌측의 Y축은 등흡광점들과 pH 채널에 대한 흡광도이고 우측의 Y축은 pH/ISO 비이다.
도 3은 본 발명의 측정의 정확성을 보여주기 위한 그래프이다.
도 4는 TPPTSA와 루시게닌을 가지고 형광 비연산을 이용하여 염소 농도를 결정하는 방법을 보여주기 위한 그래프로서, Y축은 형광 세기이다.
도 5는 루시게닌 형광을 가지고 시료 부피와 시약 부피에 대한 흡광도 교정을 이용하여 염소를 측정하는 방법을 보여주기 위한 그래프로서, 채널 카운트(channel counts)는 투과도 곡선에 대해서는 투과광 세기이고 형광 곡선에 대해서는 형광 세기이며, 루시게닌 염료의 흡광도는 log10(ref/trans)로 계산된다.
도 6은 액체 시료의 파라미터를 측정하는 데에 사용되는 장치를 도시한 측면도이다.
도 7은 액체 시료의 파라미터를 측정하는 데에 사용되는 장치를 도시한 평면도이다.
도 8은 액체 시료의 파라미터를 측정하는 데에 사용되는 장치의 여러 부품들을 도시한 흐름도이다.
도 9는 Fe 측정시의 탁도 교정을 보여주기 위한 그래프이다.
도 10은 흡광도 측정을 이용한 탁도에 의한 염소에 대한 응답 곡선을 도시한 그래프로서, 채널 카운트는 투과도 곡선에 대해서는 투과광 세기이며, 현탁된 AgCl의 흡광도는 log10(ref/trans)에 의해 계산되는데 그 응답 곡선은 도시되어 있지 않으며, 흡광도는 도 11에 X축으로 주어져 있다.
도 11은 시료가 질산은과 반응함으로써 형성된 탁도의 흡광도에 의한 염소에 대한 비선형 보정 곡선을 나타낸 그래프이다.
Claims (14)
- 액체를 포함하는 시료의 적어도 한 특성을 측정하는 방법으로서,
BDD(Boron-doped Diamond anode) 셀, 챔버, 적어도 하나의 화학 시약을 상기 챔버로 공급하도록 구성되고 마련된 적어도 하나의 시약원을 포함하는 장치 내부에 상기 시료를 위치하는 단계;
상기 BDD 셀을 통해 상기 시료를 통과시켜 상기 시료 내에 설폭시 화합물을 산화시키는 단계;
상기 산화시키는 단계 후, 상기 챔버 내에서, 상기 시료에 첨가되면 검출될 특성과 직접 관련된 측정 가능한 광학 효과를 유발할 수 있는 상기 적어도 하나의 화학 시약을 상기 시료에 첨가하는 단계;
상기 챔버 내에서 상기 화학 시약과 상기 시료를 혼합하여 혼합된 시료를 형성하는 단계;
광센서를 통과하도록 상기 혼합된 시료를 이동시키는 단계;
상기 혼합된 시료의 적어도 두개의 광학적 특성들을 측정하여 상기 시료의 측정된 광학 효과를 결정하는 단계; 및
적어도 하나의 특성과 관련되어 상기 측정된 광학 효과를 미리 정해진 값들과 비교하는 것에 의해 적어도 하나의 특성 값을 도출하는 단계를 포함하며,
상기 측정된 광학 효과는 상기 액체를 포함하는 상기 시료의 부피와 무관하고 상기 시료에 첨가되는 상기 적어도 하나의 시약의 부피와 무관한 것을 특징으로 하는 방법. - 제1항에 있어서,
상기 측정된 특성은 pH, 철 농도, 염소 농도 및 이들의 임의의 조합으로 이루어진 일람에서 선택되는 한 품목인 것을 특징으로 하는 방법. - 제1항에 있어서,
상기 적어도 두개의 특성들은 비색 효과, 혼탁 효과 또는 형광 효과 중 적어도 하나인 것을 특징으로 하는 방법. - 제1항에 있어서,
상기 적어도 두개의 광학적 특성들을 측정하여 상기 시료의 측정된 광학 효과를 결정하는 단계는, (i)상기 적어도 하나의 특성의 모든 값들에 대해서 그 측정값이 등흡광점인 특정 파장에서의 흡광도 레벨을 측정하고, (ii)다른 한 파장에 대해 적어도 하나의 다른 흡광도 레벨을 검출하고,
상기 적어도 하나의 특성의 값을 도출하는 단계는, 상기 두 흡광도 레벨들을 미리 정해진 데이터와 비교하고, 그리고 두 흡광도 레벨을 상기 적어도 하나의 특성의 특정 값을 갖는 기지의 흡광도 레벨들과 관련짓는 것에 의해서 측정되는 것을 특징으로 하는 방법. - 제1항에 있어서,
상기 적어도 하나의 시약은 적어도 두 개의 형광 염료들을 포함하고, 제1 파장에서의 염료들의 형광 중 하나는 상기 적어도 하나의 특성의 값에 의해 좌우되고 제2 파장에서의 다른 염료들의 형광 중 하나는 특성의 값과 무관한 형광 염료들인 시약에 의해서 측정되며,
상기 시료 중의 제1 및 제2 파장들에서의 형광 세기의 비를 측정하는 단계와,
상기 비를 특성의 기지값을 갖는 대조군에서의 상기 제1 및 제2 파장들에서의 형광 세기의 비와 비교하는 단계와,
두 비에서의 비례적 변화를 특성 값과 관련짓는 단계를 더 포함하는 것을 특징으로 하는 방법. - 제1항에 있어서,
상기 광학 효과는, 상기 시약의 특성 값에 무관한 흡광도와 특성 값에 좌우되는 형광에 의해서, 형광의 흡광도에 대한 비를 특성의 기지값을 갖는 대조군과 비교하고 두 비들에서의 비례적인 변화를 특성값과 관련짓는 것에 의해 측정되는 것을 특징으로 하는 방법. - 제1항에 있어서,
상기 적어도 하나의 시약은 상기 특성을 유발시키는 화합물과 착물을 형성하고, 미리 정해진 파장에서의 착물의 흡광도는 존재하는 화합물의 양과 직접적인 관련이 있고 첨가된 시약의 양과는 직접적인 관련이 없고, 상기 시료의 색상과 탁도에 대한 교정은 복합체가 흡수하지 않는 파장에서의 판독값에 의해 이루어지는 것을 특징으로 하는 방법. - 삭제
- 제1항에 있어서,
상기 광센서와 일렬로 또는 직교하게 위치된 광원을 더 포함하는 것을 특징으로 하는 방법. - 삭제
- 제1항에 있어서,
온도의 영향을 교정하기 위해서 온도 측정이 이루어지는 것을 특징으로 하는 방법. - 제1항에 있어서,
센서의 하류측에 있는 튜브를 더 포함하며, 튜브의 적어도 일부분은 센서보다 높이 있고 수평하게 각이 져 있으며, 튜브는 기포가 센서로부터 멀어지는 방향으로 용이하게 이동할 수 있게 하도록 구성되고 마련되며,
튜브는 역U자 형상, 구부러진 형상, 만곡된 형상 및 각진 형상으로 이루어진 일람에서 선택되는 한 형상으로 이루어지는 것을 특징으로 하는 방법. - 제1항에 있어서,
상기 적어도 하나의 시약은 브롬크레졸 퍼플, 플루오레세인, PTSA(Pyrene tetrasulfonic acid), TPPTSA(5,10,15,20-tetraphenyl-21H, 23H-porphine-tetrasulfonic acid, tetrasodium hydrate), 칼세인 블루(calcein blue), 페로진, 질산은, 티오글리콜산(thioglycolic acid), 암모니아, pH 완충제, 제2철 환원제, 형광염료, 루시게닌 및 이들의 임의의 조합으로 구성된 일람에서 선택되는 것을 특징으로 하는 방법. - 제1항에 있어서,
오염물질(foulant) 제거용 세정제를 시료의 특성을 측정하는 데에 사용되는 적어도 한 물품에 첨가하는 단계를 더 포함하며, 상기 세정제는 에탄올아민, 메톡시프로필아민, 차염소산염, 과산화수소, 질산 및 이들의 임의의 조합으로 이루어진 일람에서 선택되는 한 품목인 것을 특징으로 하는 방법.
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US12/957,854 US9134238B2 (en) | 2010-12-01 | 2010-12-01 | Method for determination of system parameters for reducing crude unit corrosion |
PCT/US2011/062529 WO2012075076A2 (en) | 2010-12-01 | 2011-11-30 | Method and apparatus for determination of system parameters for reducing crude unit corrosion |
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BR112013013464B1 (pt) | 2021-08-24 |
AR084073A1 (es) | 2013-04-17 |
EP3640627A2 (en) | 2020-04-22 |
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JP5925211B2 (ja) | 2016-05-25 |
CA2820609A1 (en) | 2012-06-07 |
BR112013013464A2 (pt) | 2019-12-10 |
RU2013124970A (ru) | 2015-01-10 |
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RU2600510C2 (ru) | 2016-10-20 |
MX343354B (es) | 2016-11-03 |
US9134238B2 (en) | 2015-09-15 |
WO2012075076A3 (en) | 2012-10-04 |
KR20130141569A (ko) | 2013-12-26 |
US20120142113A1 (en) | 2012-06-07 |
SG190897A1 (en) | 2013-07-31 |
ES2951568T3 (es) | 2023-10-23 |
EP2646806A4 (en) | 2017-06-07 |
CN103238060B (zh) | 2016-04-20 |
EP2646806A2 (en) | 2013-10-09 |
JP2013545988A (ja) | 2013-12-26 |
WO2012075076A2 (en) | 2012-06-07 |
EP3640627A3 (en) | 2020-07-29 |
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