C\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a n\u1ec1n kinh t\u1ebf v\u00e0 cu\u1ed9c s\u1ed1ng ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c n\u00e2ng cao, h\u00e0ng n\u0103m r\u00e1c th\u1ea3i c\u0169ng t\u0103ng l\u00ean v\u1edbi t\u1ed1c \u0111\u1ed9 10%. Ng\u00e0y nay r\u00e1c th\u1ea3i \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t tai h\u1ecda chung c\u1ee7a nh\u00e2n lo\u1ea1i. H\u00e0ng ng\u00e0y l\u01b0\u1ee3ng r\u00e1c th\u1ea3i c\u1ee7a c\u00e1c th\u00e0nh ph\u1ed1 tr\u00ean th\u1ebf gi\u1edbi th\u1ea3i ra nhi\u1ec1u \u0111\u1ebfn kinh ng\u01b0\u1eddi. Nh\u1eadt B\u1ea3n l\u00e0 35 tri\u1ec7u t\u1ea5n, M\u1ef9 h\u01a1n 100 tri\u1ec7u t\u1ea5n. C\u00e1c b\u1ee9c \u1ea3nh ch\u1ee5p \u0111\u01b0\u1ee3c t\u1eeb v\u1ec7 tinh cho th\u1ea5y c\u00e1c th\u00e0nh ph\u1ed1 c\u1ee1 l\u1edbn v\u00e0 c\u1ee1 v\u1eeba tr\u00ean th\u1ebf gi\u1edbi \u0111\u1ec1u b\u1ecb r\u00e1c th\u1ea3i bao b\u1ecdc. Trung Qu\u1ed1c c\u0169ng th\u1ebf trong s\u1ed1 660 th\u00e0nh ph\u1ed1 c\u1ee7a Trung Qu\u1ed1c c\u00f3 h\u01a1n m\u1ed9t n\u1eeda \u0111\u00e3 b\u1ecb r\u00e1c th\u1ea3i bao quanh.<\/p>\n\n\n\n
Trong con m\u1eaft c\u1ee7a ng\u01b0\u1eddi b\u00ecnh th\u01b0\u1eddng th\u00ec r\u00e1c th\u1ea3i l\u00e0 ngu\u1ed3n \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng, ngu\u1ed3n truy\u1ec1n b\u1ec7nh, h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 \u00edch l\u1ee3i g\u00ec. Nh\u01b0ng c\u00e1c nh\u00e0 khoa h\u1ecdc l\u1ea1i cho r\u1eb1ng r\u00e1c th\u1ea3i l\u00e0 m\u1ed9t lo\u1ea1i c\u1ee7a c\u1ea3i c\u00f3 gi\u00e1 tr\u1ecb c\u00f3 th\u1ec3 khai th\u00e1c \u0111\u01b0\u1ee3c. Trong r\u00e1c th\u1ea3i th\u00f4ng th\u01b0\u1eddng gi\u1ea5y lo\u1ea1i chi\u1ebfm \u0111a s\u1ed1, kho\u1ea3ng 30% – 40%, th\u1ee7y tinh chi\u1ebfm 6%, kim lo\u1ea1i chi\u1ebfm 8%, ph\u1ebf li\u1ec7u th\u1ef1c v\u1eadt chi\u1ebfm 12%. Th\u00e0nh ph\u1ea7n r\u00e1c th\u1ea3i c\u1ee7a \u0111\u00f4 th\u1ecb r\u1ea5t h\u1ed7n t\u1ea1p. Mu\u1ed1n cho r\u00e1c th\u1ea3i tr\u1edf th\u00e0nh ngu\u1ed3n c\u1ee7a c\u1ea3i th\u00ec tr\u01b0\u1edbc h\u1ebft ph\u1ea3i x\u1eed l\u00ed ph\u00e2n lo\u1ea1i ch\u00fang. \u1ede m\u1ed9t s\u1ed1 n\u01b0\u1edbc ph\u00e1t tri\u1ec3n, r\u00e1c th\u1ea3i khu d\u00e2n c\u01b0 \u0111\u1ec1u \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo nh\u1eefng th\u00f9ng kh\u00e1c nhau, sau \u0111\u00f3 m\u1edbi v\u1eadn chuy\u1ec3n \u0111\u1ebfn nh\u00e0 m\u00e1y t\u1ef1 \u0111\u1ed9ng ph\u00e2n lo\u1ea1i. Th\u00f4ng qua m\u1ed9t lo\u1ea1t qui tr\u00ecnh \u0111em c\u00e1c v\u1eadt kh\u00e1c nhau trong r\u00e1c th\u1ea3i nh\u01b0 kim lo\u1ea1i, th\u1ee7y tinh, ch\u1ea5t d\u1ebbo, cao su v.v.. ph\u00e2n lo\u1ea1i ra. R\u00e1c sau khi \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i, qua x\u1eed l\u00ed th\u00ec c\u00f3 th\u1ec3 bi\u1ebfn th\u00e0nh nh\u1eefng th\u1ee9 c\u00f3 \u00edch. \u1ede \u0110\u1ee9c, 60% gi\u1ea5y lo\u1ea1i, 50% chai l\u1ecd th\u1ee7y tinh, 40% c\u00e1c ch\u1ebf ph\u1ea9m b\u1eb1ng \u0111\u1ed3ng \u0111\u1ec1u \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o ra t\u1eeb ngu\u1ed3n r\u00e1c th\u1ea3i. \u1ede M\u1ef9 tr\u00ean m\u1ed9t n\u1eeda nguy\u00ean li\u1ec7u c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p gang th\u00e9p l\u00e0 do \u00f4 t\u00f4 ph\u1ebf th\u1ea3i cung c\u1ea5p.<\/p>\n\n\n\n
T\u1eeb nh\u1eefng n\u0103m 70, ng\u01b0\u1eddi Pari \u1edf Ph\u00e1p \u0111\u00e3 d\u00f9ng l\u00f2 \u0111\u1ed1t r\u00e1c th\u1ea3i \u0111\u1ec3 d\u1ecdn s\u1ea1ch h\u00e0ng n\u00fai r\u00e1c, \u0111\u01b0a l\u1ea1i 30% ngu\u1ed3n n\u01b0\u1edbc n\u00f3ng d\u00f9ng cho d\u00e2n c\u01b0 s\u01b0\u1edfi \u1ea5m. \u1ede Nh\u1eadt ng\u01b0\u1eddi ta d\u00f9ng r\u00e1c th\u1ea3i \u0111\u1ec3 ch\u1ebf t\u1ea1o th\u00e0nh ph\u00e2n b\u00f3n d\u1ea1ng h\u1ea1t d\u00f9ng \u0111\u1ec3 tr\u1ed3ng nho v\u00e0 c\u00e1c v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng \u0111\u1ec3 x\u00e2y nh\u00e0 \u1edf ki\u00ean c\u1ed1 b\u1eb1ng v\u1eadt li\u1ec7u nh\u1eb9. N\u1ebfu \u0111\u1ed1t r\u00e1c h\u1eefu c\u01a1 v\u00e0 c\u00e1c v\u1eadt b\u1eb1ng nh\u1ef1a trong l\u00f2 s\u1ebd thu \u0111\u01b0\u1ee3c h\u01a1i n\u01b0\u1edbc d\u00f9ng \u0111\u1ec3 ch\u1ea1y tuabin m\u00e1y ph\u00e1t \u0111i\u1ec7n. Nh\u01b0 v\u1eady m\u1ed7i l\u1ea7n \u0111\u1ed1t 1.000 t\u1ea5n r\u00e1c c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c 20.000 kWh \u0111i\u1ec7n. Bang Missouri c\u1ee7a M\u1ef9 c\u00f3 m\u1ed9t nh\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n d\u00f9ng nhi\u00ean li\u1ec7u l\u00e0 r\u00e1c th\u1ea3i c\u1ee7a 12 th\u00e0nh ph\u1ed1 l\u00e2n c\u1eadn, h\u00e0ng ng\u00e0y c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c h\u01a1n 7 v\u1ea1n galon (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 265 ngh\u00ecn l\u00edt) d\u1ea7u nhi\u00ean li\u1ec7u. X\u1ec9 than sau khi \u0111\u1ed1t c\u00f2n c\u00f3 th\u1ec3 \u0111\u1eadp v\u1ee5n l\u1eabn v\u1edbi \u0111\u00e1 d\u0103m \u0111\u1ec3 l\u00e0m v\u1eefa b\u00ea t\u00f4ng, gia nhi\u1ec7t \u0111\u1ebfn 300oC s\u1ebd l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u ph\u1ee7 m\u1eb7t \u0111\u01b0\u1eddng r\u1ea5t t\u1ed1t. R\u00e1c qua l\u00ean men c\u00f3 th\u1ec3 s\u1ea3n sinh ra kh\u00ed m\u00eatan. \u1ede M\u1ef9 ng\u01b0\u1eddi ta \u0111\u00e3 x\u00e2y xong nh\u00e0 m\u00e1y \u0111i\u1ec7n d\u00f9ng kh\u00ed m\u00eatan l\u1edbn nh\u1ea5t th\u1ebf gi\u1edbi, h\u00e0ng ng\u00e0y s\u1ea3n xu\u1ea5t ra 140 ng\u00e0n m3 kh\u00ed metan CH4 c\u00f3 th\u1ec3 cung c\u1ea5p cho 1 v\u1ea1n h\u1ed9 s\u1eed d\u1ee5ng.<\/p>\n\n\n\n
K\u0129 thu\u1eadt cao \u0111\u00e3 bi\u1ebfn r\u00e1c th\u1ea3i th\u00e0nh t\u00e0i nguy\u00ean c\u00f3 \u00edch. R\u00e1c th\u1ea3i \u0111\u00e3 tr\u1edf th\u00e0nh \u201cc\u1ee7a c\u1ea3i \u0111\u1eb7t sai ch\u1ed7\u201d.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: R\u00e1c th\u1ea3i; T\u00e0i nguy\u00ean; Thu h\u1ed3i.<\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a n\u1ec1n kinh t\u1ebf v\u00e0 cu\u1ed9c s\u1ed1ng ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c n\u00e2ng cao, h\u00e0ng n\u0103m r\u00e1c th\u1ea3i c\u0169ng t\u0103ng l\u00ean v\u1edbi t\u1ed1c \u0111\u1ed9 10%. Ng\u00e0y nay r\u00e1c th\u1ea3i \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t tai h\u1ecda chung c\u1ee7a nh\u00e2n lo\u1ea1i. H\u00e0ng ng\u00e0y l\u01b0\u1ee3ng r\u00e1c th\u1ea3i c\u1ee7a c\u00e1c th\u00e0nh ph\u1ed1 tr\u00ean th\u1ebf gi\u1edbi th\u1ea3i […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,17],"tags":[],"class_list":["post-9496","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-moi-truong"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9496","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=9496"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9496\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9496"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9496"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}