KR100527417B1 - 합성 나프타 연료제조방법 및 이 방법으로 제조된 합성나프타 연료 - Google Patents
합성 나프타 연료제조방법 및 이 방법으로 제조된 합성나프타 연료 Download PDFInfo
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Abstract
Description
FT 응축물(<270℃ 분획) | FT 왁스(>270℃ 분획) | |
C5-160℃160-270℃270-370℃370-500℃>500℃ | 444313 | 34254028 |
조건 | 넓은 범위 | 바람직한 범위 |
온도, ℃압력, bar-g수소 유량, ㎥n/㎥ 공급>370℃물질의 전환, 질량% | 150-45010-200100-200030-80 | 340-40030-80800-160050-70 |
조건 | 넓은 범위 | 바람직한 범위 |
온도, ℃압력, bar(g)수소 유량, ㎥n/㎥ 공급 | 150-45010-200100-2000 | 200-40030-80400-1600 |
공정 단계 | 공정계획 | ||||
A | B | C | D | ||
1 | FT 합성 반응기 | X | X | X | X |
2 | 경량 FT 생성물 분류기 | X | |||
3 | 경량 FT 생성물 수소처리기 | X | X | X | X |
4 | 경량 HT FT 생성물 분류기 | X | X | ||
5 | 왁스질 FT 생성물 수소첨가분해기 | X | X | X | X |
6 | 생성물 분류기 | X | X | X | X |
합성 FT 나프타 | 공업용SA 디젤 | 주 | ||||
SR | HT SR | HX | LTFT | |||
ASTM D86 | ||||||
IBP,℃ | 58 | 60 | 49 | 54 | 182 | |
T10,℃ | 94 | 83 | 79 | 81 | 223 | |
T50,℃ | 118 | 101 | 101 | 101 | 292 | |
T90,℃ | 141 | 120 | 120 | 120 | 358 | |
FBP,℃ | 159 | 133 | 131 | 131 | 382 | |
밀도, kg/L(20℃) | 0.7101 | 0.6825 | 0.6877 | 0.6852 | 0.8483 | |
세탄가 | n/a | 42.7 | 30.0 | 39.6 | 50.0 | |
연소열, HHV, kJ/kg | 45 625 | 48 075 | 46 725 | 46 725 | 45 520 | 주 2 |
산가, mgKOH/g | 0.361 | 0.001 | 0.011 | 0.006 | 0.040 | |
총 황, mg/L | <1 | <1 | <1 | <1 | 4 242 | |
조성, %wt | ||||||
n-파라핀 | 53.2 | 90.1 | 28.6 | 59.0 | n/a | |
이소-파라핀 | 1.2 | 8.3 | 66.7 | 38.2 | n/a | |
나프텐 | - | - | - | - | n/a | |
방향족 | - | 0.1 | 0.5 | 0.3 | n/a | |
올레핀 | 35.0 | 1.5 | 4.2 | 2.5 | n/a | |
알코올 | 10.7 | - | - | - | n/a | |
흐림점, ℃ | -51 | -54 | -35 | -33 | 4 | |
인화점, ℃ | -9 | -18 | -21 | -20 | 57 | 주 3 |
점도 | n/a | n/a | n/a | 0.50 | 3.97 |
합성 나프타 | 통상의 디젤 | ||||
SR | HT ST | HX | LTFT | ||
시험결과 | |||||
엔진 | Mercedes Benz 407T | ||||
시험 조건 | 1400 rpm | ||||
하중 | 553 Nm | ||||
연료 | |||||
소비, kg/h | 17.55 | 16.72 | 16.34 | 16.77 | 17.58 |
배출 | |||||
CO, g/kWh | 0.87 | 0.79 | 1.03 | 0.83 | 1.11 |
CO2,g/kWh | 668.1 | 676.1 | 698.9 | 670.1 | 700.9 |
NOx,g/kWh | 13.59 | 12.55 | 12.47 | 12.55 | 16.99 |
배연 | |||||
보시 발연가 | 0.32 | 0.37 | 0.31 | 0.37 | 0.67 |
혼합물중 LTFT 나프타 | ||||
0% | 50% | 100% | ||
ASTM D86증류 ℃ | IBP | 182 | 50 | 53 |
T10 | 223 | 87 | 79 | |
T50 | 292 | 129 | 100 | |
T90 | 358 | 340 | 120 | |
FBP | 382 | 376 | 129 | |
비중 | 0.8483 | 0.7716 | 0.6848 | |
인화점 | ℃ | 77 | 47 | -20 |
점도 | cSt 40℃ | 3.97 | 1.19 | 0.50 |
세탄가 | 50.0 | 41.8 | 39.6 | |
흐림점(DSC) | ℃ | 4 | -5 | -35 |
CFPP | ℃ | -6 | -16 | -40 |
혼합물중의 LTFT 나프타 | |||
0% | 50% | 100% | |
시험된 엔진 | Mercedes Benz 407T | ||
시험 조건 | 1400 rpm | ||
엔진 하중 | 553 Nm | ||
연료 소비, kg/h | 17.58 | 16.17 | 16.77 |
배출 | |||
CO, g/kWh | 1.11 | 1.21 | 0.83 |
CO2, g/kWh | 700.9 | 711.6 | 670.1 |
NOx, g/kWh | 16.99 | 13.85 | 12.55 |
보시 발연가 | 0.67 | 0.53 | 0.37 |
Claims (55)
- (a) CO와 H2의 Fischer-Tropsch(FT) 합성 반응 생성물 혹은 그 유도체의 최소 하나의 응축물 분획(fraction)을 수소처리하는 단계;(b) FT 합성 생성물 및 그 유도체의 최소 하나의 왁스 분획을 수소첨가분해(hydrocracking)하는 단계;(c) 단계 (b)의 수소첨가 분해된 분획을 분류(fractionating)하여 원하는 합성 나프타 연료 성분을 얻는 단계; 및(d) 단계 (c)의 성분과 단계 (a)의 수소처리된 분획을 혼합하여 CI 엔진에 사용하기에 적합한 특성을 갖는 합성 나프타 연료를 얻는 단계;를 필수적으로 포함하는 CI(압축점화, Compression Ignition) 엔진에 사용하기에 적합한 합성 나프타 연료 제조방법.
- 제 1항에 있어서, 단계 (b)의 왁스 분획은 70℃∼700℃ 범위의 참 끓는점(TBP)를 가짐을 특징으로 하는 방법.
- 제 1항 또는 제 2항에 있어서, 단계 (b)의 왁스 분획은 80℃∼650℃ 범위의 참 끓는점(TBP)를 가짐을 특징으로 하는 방법.
- 제 1항 또는 제 2항에 있어서, 단계 (a)의 응축물 분획은 -70℃∼350℃ 범위의 참 끓는점(TBP)를 가짐을 특징으로 하는 방법.
- 제 1항 또는 제 2항에 있어서, 단계 (a)의 응축물 분획은 -10℃∼340℃ 범위의 참 끓는점(TBP)를 가짐을 특징으로 하는 방법.
- 제 1항에 있어서, 단계 (d)의 연료는 ASTM D86법으로 측정시 30℃∼200℃ 범위에서 끓는 것을 특징으로 하는 방법.
- 제 6항에 있어서, 단계 (d)의 연료는 ASTM D86법으로 측정시 40℃∼155℃ 범위에서 끓는 것을 특징으로 하는 방법.
- 제 1항 또는 제 6항에 있어서, 단계 (d)의 연료는 단계(c)에서 얻어진 성분과 단계(a)의 수소처리된 응축물 혹은 그 생성물의 적어도 일부분을 1:24∼9:1 부피비로 혼합하여 얻어짐을 특징으로 하는 방법.
- 제 8항에 있어서, 단계 (d)의 연료는 단계(c)에서 얻어진 성분과 단계(a)의 수소처리된 응축물 혹은 그 생성물의 적어도 일부분을 2:1∼6:1 부피비로 혼합하여 얻어짐을 특징으로 하는 방법.
- 제 9항에 있어서, 단계 (d)의 연료는 단계(c)에서 얻어진 성분과 단계(a)의 수소처리된 응축물 혹은 그 생성물의 적어도 일부분을 1:1 부피비로 혼합하여 얻어짐을 특징으로 하는 방법.
- 합성 나프타 연료가 적어도(a) CO와 H2의 Fischer-Tropsch(FT) 합성 반응 생성물 혹은 그 유도체의 최소 하나의 응축물 분획(fraction)을 수소처리하는 단계;(b) FT 합성 생성물 및 그 유도체의 최소 하나의 왁스 분획을 수소첨가분해(hydrocracking)하는 단계;(c) 단계 (b)의 수소첨가 분해된 분획을 분류(fractionating)하여 바람직한 합성 나프타 연료 성분을 얻는 단계; 및(d) 단계 (c)의 성분과 단계 (a)의 수소처리된 분획을 혼합하여 CI 엔진에 사용하기에 바람직한 특성을 갖는 합성 나프타 연료를 얻는 단계;를 포함하는 공정에 의해 제조되며, 합성 나프타 연료와 디젤 연료를 혼합하는 단계를 적어도 포함하는 CI(압축 점화, Compression Ignition) 엔진에 사용하기에 적합한 합성 연료 제조방법.
- 제 11항에 있어서, 나프타 연료와 디젤 연료는 실질적으로 동일한 비율(V/V)로 혼합됨을 특징으로 하는 방법.
- 제 11항 또는 12항에 있어서, 단계 (d)의 연료는 단계(c)에서 얻어진 성분과 단계(a)의 수소처리된 응축물 혹은 그 생성물의 적어도 일부분을 1:24∼9:1 부피비로 혼합하여 얻어짐을 특징으로 하는 방법.
- 세탄가가 30 이상이며, 흐림점은 -30℃ 이하이며, 이소파라핀을 30% 이상인 양으로 함유하며, 최종 끓는점(FBP)은 160℃ 이하인 Fischer-Tropsch 유도된 CI(압축 점화, Compression Ignition) 엔진용 합성 나프타 연료.
- 제 14항에 있어서, 초기 끓는점(IBP)이 최소 49℃임을 특징으로 하는 합성 나프타 연료.
- 청구항 14항의 합성 나프타 연료를 1∼100%를 포함하여 구성되는 연료 조성물.
- 제 16항에 있어서, 적어도 하나의 디젤 연료를 최대 99%까지 포함하는 것을 특징으로 하는 연료 조성물.
- 제 16항 또는 제 17항에 있어서, 합성 나프타 연료를 최소 20% 포함하며, 세탄가가 40 이상이며 흐림점이 2℃ 이하인 것을 특징으로 하는 연료 조성물.
- 제 16항 또는 제 17항에 있어서, 합성 나프타 연료를 최소 30% 포함하며, 세탄가가 40 이상이며 흐림점이 0℃ 이하인 것을 특징으로 하는 연료 조성물.
- 제 16항 또는 제 17항에 있어서, 합성 나프타 연료를 최소 50% 포함하며, 세탄가가 40 이상이며 흐림점이 -4℃ 이하인 것을 특징으로 하는 연료 조성물.
- 제 16항 또는 제 17항에 있어서, 합성 나프타 연료를 최소 70% 포함하며, 세탄가가 40 이상이며 흐림점이 -13℃ 이하인 것을 특징으로 하는 연료 조성물.
- 제 17항에 있어서, 합성 나프타 연료와 디젤 연료를 동일한 부피로 포함하며, 세탄가가 40 이상이며 흐림점이 -5℃ 이하인 것을 특징으로 하는 연료 조성물.
- 제 16항에 있어서, 다른 연료 특성을 증대시키기 위해 첨가제를 최대 10%까지 더욱 포함함을 특징으로 하는 연료 조성물.
- 제 17항에 있어서, 디젤 연료로서 원유에서 유도된 디젤을 포함함을 특징으로 하는 연료 조성물.
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- 세탄가가 30 이상이며, 흐림점이 -30℃ 이하이며, 이소파라핀이 30% 이상이며, 최종 끓는점(FBP)이 160℃ 이하인 디젤 연료 함유 연료 조성물용 Fischer-Tropsch 유도 흐림점 억제제.
- 제 27항에 있어서, 흐림점 억제제는 초기 끓는점(IBP)이 최소 49℃임을 특징으로 하는 Fischer-Tropsch 유도 흐림점 억제제.
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