온실가스 감축을 위한 미활용 에너지로써 LNG 냉열의 활용

제1장 천연가스와 액화천연가스 ?1
1.1 천연가스란 무엇인가? ·····························································1
1.2 천연가스 처리공정 ···································································4
1.2.1 전처리 공정 ··········································································5
1.2.2 천연가스 액화공정 ······························································6
1.2.3 NGL 회수공정 ·····································································8
제2장 상평형 일반 ?11
2.1 화학공정의 모사에 있어서 열역학 올바른 열역학 모델식
선정의 중요성 ·········································································11
2.2 상평형 추산에 있어서 One Model Approach와 Two Model
Approach ················································································23
2.3 기액 평형 관계식 ···································································25
2.4 순수성분의 퓨개시티 계수 표현식의 유도 ·······················27
2.5 혼합물 중의 ‘i' 성분의 퓨개시티 계수 표현식의 유도 30
2.6 액액 평형 관계식 ···································································33
2.7 과잉 Gibbs 자유에너지와 액체 활동도계수 사이의 관계
식의 유도 ·················································································38
2.8 엔탈피의 계산 ·········································································43
2.9 밀도의 계산 ·············································································48
2.9.1 Redlich-Kwong 식을 이용한 기체의 밀도계산 ······49
2.9.2 Redlich-Kwong 식을 이용한 액체의 밀도계산 ······51
2.10 SRK 상태방정식에 적용한 혼합물 중의 ‘i' 성분의 퓨개
시티 계수 표현식의 유도 ···················································54
2.11 PR 상태방정식에 적용한 혼합물 중의 ‘i' 성분의 퓨개
시티 계수 표현식의 유도 ···················································63
제3장 상태방정식 모델식의 소개 ?75
3.1 이상기체 거동으로부터 벗어나는 편차와 반데르발스 상태
방정식의 소개 ·······································································75
3.1.1 반데르발스 상태방정식의 매개변수 a와 b의 소개 ···77
3.1.2 반데르발스 상태방정식의 변형 ·····································79
3.2 Redlich-Kwong 상태방정식 (1949년) ··························85
3.2.1 Redlich-Kwong 상태방정식의 매개변수 a와 b값의
계산 ·····················································································86
3.2.2 Redlich-Kwong상태방정식의 변형 ····························90
3.3 Soave-Redlich-Kwong (SRK) 상태방정식 (1972년) ····91
3.3.1 Soave-Redlich-Kwong 상태방정식의 매개변수 a와
b값의 계산 ·········································································93
3.3.2 Soave-Redlich-Kwong 상태방정식의 변형 ···········97
3.4 Peng-Robinson (PR) 상태방정식 (1976년) ··············98
3.4.1 Peng-Robinson 상태방정식의 파라미터 a와 b의 계산 ·99
3.4.2 Peng-Robinson 상태방정식의 변형 ························106
3.5 일반적인 2 매개변수 삼차형 상태방정식 ······················106
3.6 순수성분의 증기압을 잘 추산하기 위한 Alpha Functions ·108
3.7 혼합물의 K-value를 잘 추산하기 위한 Mixing Rules ·113
3.8 일반적인 2 매개변수 삼차형 상태방정식에 적용한 Panagiotopoulos
혼합규칙의 유도 ··································································115
3.9 SRKM과 PRM ···································································127
제4장 전기식 냉동기에서 냉매의 공급온도에 따른 액화천연가스의
톤당 냉열 가격 ?129
4.1 서론 ························································································129
4.2 전산모사 ················································································134
4.2.1 노말 부탄을 냉매로 사용한 냉동사이클의 전산모사 ···134
4.2.2 LNG의 질량유량을 결정하기 위한 전산모사 ··········136
4.3 결과 ························································································137
제5장 액화천연가스를 활용한 개방형 랭킨 사이클에 적용한 냉열
발전의 최적화에 대한 연구 ?141
5.1 서 론 ······················································································141
5.2 개방형 랭킨 사이클에 대한 전산모사 ····························142
제6장 천연가스 조성에 따른 수소 생산 시에 발생하는 이산화탄소
배출량 산출 ?99
6.1 서론 ······················································································149
6.2 전산모사 ················································································151