bao g\u1ed3m:<\/span><\/p>\nKh\u00ed metan (CH4)<\/b><\/p>\n
Metan l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a kh\u00ed thi\u00ean nhi\u00ean, th\u01b0\u1eddng chi\u1ebfm t\u1eeb 70% \u0111\u1ebfn 90% kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a kh\u00ed t\u1ef1 nhi\u00ean. N\u00f3 l\u00e0 m\u1ed9t kh\u00ed th\u01b0\u1eddng m\u00e0u, kh\u00f4ng m\u00f9i, c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong vi\u1ec7c s\u1ea3n xu\u1ea5t n\u0103ng l\u01b0\u1ee3ng, trong c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t.<\/span><\/p>\nKh\u00ed etan (C2H6)<\/b><\/p>\n
Etan l\u00e0 m\u1ed9t kh\u00ed m\u00e0u kh\u00f4ng m\u00f9i v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t v\u00e0 ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u0103ng l\u01b0\u1ee3ng.<\/span><\/p>\nKh\u00ed propan (C3H8)<\/b><\/p>\n
Propan c\u0169ng l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n c\u1ee7a kh\u00ed thi\u00ean nhi\u00ean, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong vi\u1ec7c n\u1ea5u \u0103n,l\u00e0m nhi\u00ean li\u1ec7u trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p.<\/span><\/p>\nKh\u00ed butan (C4H10)<\/b><\/p>\n
Butan l\u00e0 m\u1ed9t kh\u00ed m\u00e0u kh\u00f4ng m\u00f9i, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t, c\u0169ng nh\u01b0 l\u00e0m nhi\u00ean li\u1ec7u trong c\u00e1c thi\u1ebft b\u1ecb gia \u0111\u00ecnh, xe c\u1ed9.<\/span><\/p>\nKh\u00ed cacbon \u0111ioxit (CO2)<\/b><\/p>\n
Cacbon \u0111ioxit l\u00e0 m\u1ed9t kh\u00ed quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh quang h\u1ee3p c\u1ee7a c\u00e2y c\u1ecf v\u00e0 c\u00f3 li\u00ean quan \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu. N\u00f3 th\u01b0\u1eddng chi\u1ebfm m\u1ed9t ph\u1ea7n nh\u1ecf trong kh\u00ed thi\u00ean nhi\u00ean, kho\u1ea3ng 1% \u0111\u1ebfn 3%.<\/span><\/p>\nKh\u00ed nit\u01a1 (N2)<\/b><\/p>\n
Nit\u01a1 l\u00e0 m\u1ed9t kh\u00ed m\u00e0u kh\u00f4ng m\u00f9i, kh\u00f4ng ph\u1ea3n \u1ee9ng, chi\u1ebfm kho\u1ea3ng 1% \u0111\u1ebfn 5% trong kh\u00ed thi\u00ean nhi\u00ean. N\u00f3 c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p, trong vi\u1ec7c b\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m<\/span><\/p>\nKh\u00ed heli (He)<\/b><\/p>\n
Heli l\u00e0 m\u1ed9t kh\u00ed kh\u00f4ng m\u00f9i, kh\u00f4ng ch\u00e1y, chi\u1ebfm m\u1ed9t ph\u1ea7n nh\u1ecf trong kh\u00ed thi\u00ean nhi\u00ean. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng l\u00e0m l\u1ea1nh v\u00e0 trong c\u00e1c bi\u1ec3u di\u1ec5n b\u00f3ng bay.<\/span><\/p>\nKh\u00ed kh\u00ed argon (Ar)<\/b><\/p>\n
Argon l\u00e0 m\u1ed9t kh\u00ed m\u00e0u kh\u00f4ng m\u00f9i, kh\u00f4ng ph\u1ea3n \u1ee9ng, chi\u1ebfm m\u1ed9t ph\u1ea7n nh\u1ecf trong kh\u00ed thi\u00ean nhi\u00ean. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c qu\u00e1 tr\u00ecnh h\u00e0n, l\u00e0m l\u1ea1nh c\u00f4ng nghi\u1ec7p.<\/span><\/p>\nKh\u00ed hidro (H2)<\/b><\/p>\n
Hidro l\u00e0 m\u1ed9t kh\u00ed m\u00e0u kh\u00f4ng m\u00f9i, chi\u1ebfm m\u1ed9t ph\u1ea7n r\u1ea5t nh\u1ecf trong kh\u00ed thi\u00ean nhi\u00ean. N\u00f3 c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong vi\u1ec7c s\u1ea3n xu\u1ea5t n\u0103ng l\u01b0\u1ee3ng hay trong c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t.<\/span><\/p>\nC\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i trong kh\u00ed thi\u00ean nhi\u00ean t\u00f9y thu\u1ed9c v\u00e0o ngu\u1ed3n g\u1ed1c v\u00e0 v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd.<\/span><\/p>\n