{"id":6180,"date":"2025-12-19T11:50:55","date_gmt":"2025-12-19T03:50:55","guid":{"rendered":"https:\/\/www.chinanhd.com\/?p=6180"},"modified":"2026-01-06T10:08:00","modified_gmt":"2026-01-06T02:08:00","slug":"recovering-rare-earth-elements-from-phosphogypsum-as-a-secondary-resource-pathway","status":"publish","type":"post","link":"https:\/\/www.chinanhd.com\/vi\/recovering-rare-earth-elements-from-phosphogypsum-as-a-secondary-resource-pathway\/","title":{"rendered":"Ph\u1ee5c h\u1ed3i c\u00e1c nguy\u00ean t\u1ed1 Tr\u00e1i \u0111\u1ea5t hi\u1ebfm t\u1eeb Phosphogypsum nh\u01b0 m\u1ed9t con \u0111\u01b0\u1eddng t\u00e0i nguy\u00ean th\u1ee9 c\u1ea5p"},"content":{"rendered":"

\"\"Phosphogypsum th\u01b0\u1eddng \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m ph\u1ee5 kh\u00f4ng mong mu\u1ed1n t\u1eeb vi\u1ec7c l\u00e0m axit phosphoric b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbt. N\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef v\u00e0 x\u1eed l\u00fd nh\u01b0 m\u1ed9t v\u1ea5n \u0111\u1ec1 m\u00f4i tr\u01b0\u1eddng. Quan \u0111i\u1ec3m n\u00e0y \u0111ang thay \u0111\u1ed5i b\u00e2y gi\u1edd. M\u1ed9t l\u01b0\u1ee3ng kh\u1ed5ng l\u1ed3 phosphogypsum \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p c\u00f9ng m\u1ed9t l\u00fac khi nhu c\u1ea7u v\u1ec1 c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm ti\u1ebfp t\u1ee5c t\u0103ng l\u00ean. Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nam ch\u00e2m m\u1ea1nh m\u1ebd, thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i v\u00e0 c\u00f4ng ngh\u1ec7 cho n\u0103ng l\u01b0\u1ee3ng s\u1ea1ch h\u01a1n. S\u1ef1 ch\u1ed3ng ch\u00e9o nh\u01b0 v\u1eady \u0111\u00e3 bi\u1ebfn phosphogypsum th\u00e0nh m\u1ed9t ngu\u1ed3n th\u1ee9 c\u1ea5p h\u1eefu \u00edch \u0111\u00e3 gi\u1eef h\u00f3a ch\u1ea5t trong tr\u1ea1ng th\u00e1i s\u1eb5n s\u00e0ng, thay v\u00ec ch\u1ec9 l\u00e0 ch\u1ea5t th\u1ea3i v\u00f4 d\u1ee5ng.<\/p>\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a s\u1ef1 thay \u0111\u1ed5i n\u00e0y v\u01b0\u1ee3t xa vi\u1ec7c ch\u1ec9 t\u00ecm ki\u1ebfm c\u00e1c y\u1ebfu t\u1ed1 \u1edf \u0111\u00f3. Th\u00e0nh c\u00f4ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p d\u1ef1a v\u00e0o vi\u1ec7c b\u1ed5 sung ph\u1ee5c h\u1ed3i \u0111\u1ea5t hi\u1ebfm v\u00e0o c\u00e1c thi\u1ebft l\u1eadp axit phosphoric hi\u1ec7n t\u1ea1i m\u00e0 kh\u00f4ng g\u00e2y ra v\u1ea5n \u0111\u1ec1 trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng ch\u00ednh. Ph\u1ea7n n\u00e0y xem x\u00e9t vi\u1ec7c ph\u1ee5c h\u1ed3i \u0111\u1ea5t hi\u1ebfm t\u1eeb phosphogypsum t\u1eeb g\u00f3c k\u1ef9 thu\u1eadt th\u1ef1c t\u1ebf. N\u00f3 nh\u1ea5n m\u1ea1nh chu\u1ea9n b\u1ecb b\u00f9n, t\u00e1ch ch\u1ea5t r\u1eafn kh\u1ecfi ch\u1ea5t l\u1ecfng v\u00e0 ch\u1ea1y \u1ed5n \u0111\u1ecbnh trong th\u1eddi gian d\u00e0i nh\u01b0 c\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh.<\/p>\n

NHD l\u00e0 ai v\u00e0 t\u1ea1i sao n\u1ec1n t\u1ea3ng qu\u00e1 tr\u00ecnh c\u1ee7a n\u00f3 c\u00f3 li\u00ean quan \u0111\u1ebfn Ph\u1ee5c h\u1ed3i Tr\u00e1i \u0111\u1ea5t hi\u1ebfm d\u1ef1a tr\u00ean Phosphogypsum?<\/b><\/strong><\/h2>\n

Chi ti\u1ebft k\u1ef9 thu\u1eadt c\u1ea7n b\u1ed1i c\u1ea3nh t\u1eeb kinh nghi\u1ec7m th\u1ebf gi\u1edbi th\u1ef1c tr\u01b0\u1edbc khi c\u00e1c r\u00e0o c\u1ea3n \u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn. NHD <\/b><\/u><\/strong><\/a>l\u00e0 m\u1ed9t c\u00f4ng ty k\u1ef9 thu\u1eadt v\u00e0 s\u1ea3n xu\u1ea5t n\u1ed5i ti\u1ebfng. N\u00f3 t\u1eadp trung v\u00e0o\u00a0thi\u1ebft b\u1ecb l\u1ecdc<\/b><\/u><\/strong><\/a>, tr\u1ed9n, l\u00e0m d\u00e0y v\u00e0 quy tr\u00ecnh \u01b0\u1edbt trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 axit phosphoric, alumina v\u00e0 kim lo\u1ea1i kh\u00f4ng s\u1eaft. Nhi\u1ec1u n\u0103m cung c\u1ea5p c\u00e1c \u0111\u01a1n v\u1ecb l\u1ecdc l\u1edbn v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd b\u00f9n trong c\u00e1c thi\u1ebft l\u1eadp kh\u1eafc nghi\u1ec7t, r\u1eafn cao ph\u00f9 h\u1ee3p ch\u1eb7t ch\u1ebd v\u1edbi nh\u1eefng g\u00ec x\u1eed l\u00fd phosphogypsum y\u00eau c\u1ea7u.<\/p>\n

K\u1ebft n\u1ed1i n\u00e0y quan tr\u1ecdng b\u1edfi v\u00ec h\u1ec7 th\u1ed1ng \u0111\u1ea7y \u0111\u1ee7 quan tr\u1ecdng h\u01a1n c\u00e1c b\u01b0\u1edbc \u0111\u01a1n l\u1ebb. Ph\u1ee5c h\u1ed3i \u0111\u1ea5t hi\u1ebfm t\u1eeb phosphogypsum kh\u00f4ng th\u1ec3 \u0111\u1ee9ng m\u1ed9t m\u00ecnh. N\u00f3 ph\u1ea3i l\u00e0m vi\u1ec7c c\u00f9ng v\u1edbi vi\u1ec7c s\u1ea3n xu\u1ea5t axit phosphoric li\u00ean t\u1ee5c, gi\u1edbi h\u1ea1n chuy\u1ec3n \u0111\u1ed9ng th\u1ea1ch th\u1ea1ch v\u00e0 th\u1eddi gian s\u1eeda ch\u1eefa ng\u1eafn. Ki\u1ebfn th\u1ee9c thu \u0111\u01b0\u1ee3c t\u1eeb vi\u1ec7c gi\u1eef cho to\u00e0n b\u1ed9 quy tr\u00ecnh \u1ed5n \u0111\u1ecbnh, kh\u00f4ng ch\u1ec9 l\u00e0 t\u1ef7 l\u1ec7 lo\u1ea1i b\u1ecf c\u1ea5p ph\u00f2ng th\u00ed nghi\u1ec7m, cung c\u1ea5p m\u1ed9t c\u00e1ch t\u1ed1t h\u01a1n \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 li\u1ec7u c\u00e1c k\u1ebf ho\u1ea1ch ph\u1ee5c h\u1ed3i c\u00f3 th\u1ec3 chuy\u1ec3n t\u1eeb c\u00e1c th\u1eed nghi\u1ec7m nh\u1ecf sang s\u1eed d\u1ee5ng \u0111\u1ea7y \u0111\u1ee7 t\u1ea1i nh\u00e0 m\u00e1y hay kh\u00f4ng.<\/p>\n

T\u1ea1i sao Phosphogypsum gi\u1eef l\u1ea1i m\u1ed9t l\u01b0\u1ee3ng \u0111\u00e1ng k\u1ec3 c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm?<\/b><\/strong><\/h2>\n

C\u01a1 h\u1ed9i ph\u1ee5c h\u1ed3i b\u1eaft \u0111\u1ea7u v\u1edbi vi\u1ec7c hi\u1ec3u c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o khi \u0111\u00e1 ph\u1ed1t phat \u0111\u01b0\u1ee3c \u0111i\u1ec1u tr\u1ecb v\u1edbi axit.<\/p>\n

L\u00e0m th\u1ebf n\u00e0o h\u00f3a h\u1ecdc axit ph\u1ed1t pho trong qu\u00e1 tr\u00ecnh \u01b0\u1edbt th\u00fac \u0111\u1ea9y ph\u00e2n chia \u0111\u1ea5t hi\u1ebfm th\u00e0nh d\u01b0 l\u01b0\u1ee3ng canxi sulfat thay v\u00ec d\u00f2ng axit s\u1ea3n ph\u1ea9m<\/b><\/strong><\/h3>\n

Trong qu\u00e1 tr\u00ecnh t\u1ea1o axit ph\u1ed1t pho \u01b0\u1edbt, \u0111\u00e1 ph\u1ed1t pho tr\u1ed9n v\u1edbi axit sulfuric. \u0110i\u1ec1u n\u00e0y t\u1ea1o th\u00e0nh axit ph\u1ed1t pho v\u00e0 canxi sulfat. H\u1ea7u h\u1ebft c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm \u1edf ngo\u00e0i ph\u1ea7n axit. Ch\u00fang k\u1ebft th\u00fac b\u00ean trong ho\u1eb7c b\u1ecb m\u1eafc k\u1eb9t tr\u00ean c\u00e1c tinh th\u1ec3 canxi sulfat h\u00ecnh th\u00e0nh. Do \u0111\u00f3, h\u1ea7u h\u1ebft v\u1eadt li\u1ec7u \u0111\u1ea5t hi\u1ebfm t\u1eeb \u0111\u00e1 ban \u0111\u1ea7u di chuy\u1ec3n th\u00e0nh phosphogypsum.<\/p>\n

M\u00f4 h\u00ecnh chuy\u1ec3n \u0111\u1ed9ng n\u00e0y thu th\u1eadp c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm trong m\u1ed9t c\u01a1 s\u1edf r\u1eafn m\u1ecbn \u0111\u00e3 tr\u1ea3i qua m\u00e0i, thay \u0111\u1ed5i h\u00f3a h\u1ecdc v\u00e0 thay \u0111\u1ed5i pha. Phosphogypsum b\u1ecf qua m\u1ed9t s\u1ed1 giai \u0111o\u1ea1n t\u1ed1n k\u00e9m v\u00e0 n\u1eb7ng n\u0103ng l\u01b0\u1ee3ng li\u00ean quan \u0111\u1ebfn khai th\u00e1c \u0111\u1ea5t hi\u1ebfm th\u01b0\u1eddng xuy\u00ean. N\u00f3 tr\u1edf th\u00e0nh m\u1ed9t v\u1eadt li\u1ec7u kh\u1edfi \u0111\u1ea7u h\u1ee9a h\u1eb9n n\u1ebfu c\u00e1c b\u01b0\u1edbc sau c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd t\u1ed1t.<\/p>\n

Nh\u1eefng r\u00e0o c\u1ea3n k\u1ef9 thu\u1eadt n\u00e0o h\u1ea1n ch\u1ebf ph\u1ee5c h\u1ed3i Tr\u00e1i \u0111\u1ea5t hi\u1ebfm t\u1eeb Phosphogypsum \u1edf quy m\u00f4?<\/b><\/strong><\/h2>\n

H\u1ee9a h\u1eb9n h\u00f3a h\u1ecdc kh\u00f4ng \u0111\u1ea3m b\u1ea3o th\u00e0nh c\u00f4ng \u1edf c\u1ea5p nh\u00e0 m\u00e1y. C\u00e1c gi\u1edbi h\u1ea1n th\u1ef1c s\u1ef1 xu\u1ea5t hi\u1ec7n n\u01a1i chuy\u1ec3n \u0111\u1ed9ng v\u1eadt ch\u1ea5t g\u1eb7p c\u00f4ng vi\u1ec7c kh\u00f4ng ng\u1eebng.<\/p>\n

T\u1ea1i sao s\u1ef1 kh\u00e1c \u0111\u1ed3ng b\u00f9n, h\u00e0nh vi h\u1ea1t m\u1ecbn v\u00e0 ki\u1ec3m so\u00e1t \u0111\u1ed9 \u1ea9m x\u00e1c \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 r\u1eeda v\u00e0 thanh l\u1ecdc h\u1ea1 l\u01b0u<\/b><\/strong><\/h3>\n

Phosphogypsum cho th\u1ea5y m\u1ee9c n\u01b0\u1edbc cao, thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng tinh th\u1ec3 v\u00e0 nhi\u1ec1u h\u1ea1t nh\u1ecf. Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y th\u1eadm ch\u00ed l\u00e0m cho r\u1eeda kh\u00f3 v\u00e0 \u0111\u1eb7t c\u0103ng th\u1eb3ng v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng t\u00e1ch c\u00e1c ch\u1ea5t r\u1eafn kh\u1ecfi ch\u1ea5t l\u1ecfng. X\u00e2y d\u1ef1ng b\u00e1nh x\u1ea5u ho\u1eb7c gi\u1eb7t k\u00e9m l\u00e0m t\u0103ng ch\u1ea5t th\u1ea3i axit v\u00e0 l\u00e0m gi\u1ea3m s\u1ef1 l\u1ef1a ch\u1ecdn trong vi\u1ec7c h\u00f2a tan \u0111\u1ea5t hi\u1ebfm.<\/p>\n

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B\u1ed9 l\u1ecdc ch\u00e2n kh\u00f4ng b\u00e0n quay (cho axit phosphoric)<\/b><\/u><\/strong><\/a>\u00a0gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 n\u00e0y. N\u00f3 cung c\u1ea5p l\u1ecdc li\u00ean t\u1ee5c v\u1edbi chi\u1ec1u s\u00e2u b\u00e1nh \u1ed5n \u0111\u1ecbnh, khu v\u1ef1c gi\u1eb7t t\u1ed1t v\u00e0 lo\u1ea1i b\u1ecf \u0111\u00e1ng tin c\u1eady. S\u1ef1 \u1ed5n \u0111\u1ecbnh nh\u01b0 v\u1eady d\u1eabn \u0111\u1ebfn th\u1ee9c \u0103n \u0111\u1ed3ng nh\u1ea5t \u0111\u1ec3 r\u1eeda, \u00edt m\u1ea5t m\u00e1t t\u1eeb v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c chuy\u1ec3n qua v\u00e0 gi\u1eef ch\u1eb7t ch\u1ebd h\u01a1n c\u00e2n b\u1eb1ng v\u1eadt li\u1ec7u. Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y ch\u1ee9ng minh l\u00e0 r\u1ea5t quan tr\u1ecdng khi ph\u1ee5c h\u1ed3i \u0111\u1ea5t hi\u1ebfm ch\u1ea1y b\u00ean c\u1ea1nh s\u1ea3n xu\u1ea5t axit phosphoric ch\u00ednh.<\/p>\n

\"Thi\u1ebft<\/p>\n

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\u0110i\u1ec1u h\u00f2a b\u00f9n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn gi\u1ea3i ph\u00f3ng Tr\u00e1i \u0111\u1ea5t hi\u1ebfm t\u1eeb Phosphogypsum nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/strong><\/h2>\n

M\u1ed9t m\u00ecnh l\u1ecdc m\u1ea1nh kh\u00f4ng quy\u1ebft \u0111\u1ecbnh k\u1ebft qu\u1ea3. S\u1ef1 tr\u1ed9n tr\u1ed9n c\u1ee7a ch\u1ea5t r\u1eafn v\u00e0 ch\u1ea5t l\u1ecfng \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng.<\/p>\n

T\u1ea1i sao k\u00edch \u0111\u1ed9ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t x\u00e1c \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 ti\u1ebfp x\u00fac gi\u1eefa c\u00e1c ch\u1ea5t r\u1eeda v\u00e0 c\u00e1c giai \u0111o\u1ea1n mang \u0111\u1ea5t hi\u1ebfm m\u00e0 kh\u00f4ng \u0111\u1ea7u v\u00e0o n\u0103ng l\u01b0\u1ee3ng qu\u00e1 m\u1ee9c<\/b><\/strong><\/h3>\n

Vi\u1ec7c k\u00e9o ra c\u00e1c lo\u1ea1i \u0111\u1ea5t hi\u1ebfm c\u1ea7n s\u1ef1 ti\u1ebfp x\u00fac t\u1ed1t gi\u1eefa ch\u1ea5t l\u1ecfng r\u1eeda v\u00e0 c\u00e1c m\u1eb7t kho\u00e1ng ch\u1ea5t. Tr\u1ed9n y\u1ebfu \u0111\u1ec3 l\u1ea1i c\u00e1c \u0111i\u1ec3m ch\u1ebft v\u00e0 s\u1ef1 ph\u00e1 v\u1ee1 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u. Qu\u00e1 nhi\u1ec1u khu\u1ea5y s\u1eed d\u1ee5ng th\u00eam s\u1ee9c m\u1ea1nh v\u00e0 m\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn nhanh h\u01a1n. Gi\u1eef ngay c\u1ea3 s\u1ef1 treo m\u00e0 kh\u00f4ng c\u00f3 l\u1ef1c b\u1ed5 sung r\u1ea5t quan tr\u1ecdng.<\/p>\n

M\u1ed9t m\u00e1y khu\u1ea5y \u0111\u1ed9ng cho ng\u00e0nh c\u00f4ng nghi\u1ec7p phi s\u1eaft v\u00e0 l\u1ee3i \u00edch<\/b><\/u><\/strong><\/a>\u00a0gi\u00fap b\u1ea1n \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec3m trung t\u00e2m n\u00e0y. N\u00f3 gi\u1eef b\u00f9n di chuy\u1ec3n \u1ed5n \u0111\u1ecbnh tr\u00ean c\u00e1c l\u01b0\u1ee3ng r\u1eafn kh\u00e1c nhau. Chuy\u1ec3n \u0111\u1ed9ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t l\u00e0m t\u0103ng th\u00e0nh c\u00f4ng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i trong khai th\u00e1c v\u00e0 l\u00e0m gi\u1ea3m s\u1ef1 ph\u00e1t tri\u1ec3n \u0111\u1ebfn k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n. N\u00f3 thu h\u1eb9p s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c th\u1eed nghi\u1ec7m nh\u1ecf v\u00e0 c\u00f4ng vi\u1ec7c nh\u00e0 m\u00e1y li\u00ean t\u1ee5c \u0111\u1ea7y \u0111\u1ee7.<\/p>\n

\"M\u00e1y<\/p>\n

Ph\u1ee5c h\u1ed3i \u0111\u1ea5t hi\u1ebfm d\u1ef1a tr\u00ean Phosphogypsum c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o c\u00e1c nh\u00e0 m\u00e1y axit phosphoric hi\u1ec7n c\u00f3 kh\u00f4ng?<\/b><\/strong><\/h2>\n

Kh\u1ea3 n\u0103ng ph\u00f9 h\u1ee3p quy\u1ebft \u0111\u1ecbnh li\u1ec7u ph\u1ee5c h\u1ed3i ch\u1ec9 l\u00e0 m\u1ed9t \u00fd t\u01b0\u1edfng hay bi\u1ebfn th\u00e0nh gi\u00e1 tr\u1ecb th\u1ef1c s\u1ef1.<\/p>\n

T\u1ea1i sao c\u00e1c m\u1ea1ch ph\u1ee5c h\u1ed3i \u0111\u01b0\u1ee3c trang b\u1ecb l\u1ea1i ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi s\u1ef1 \u1ed5n \u0111\u1ecbnh s\u1ea3n xu\u1ea5t axit phosphoric c\u1ed1t l\u00f5i v\u00e0 chu k\u1ef3 b\u1ea3o tr\u00ec<\/b><\/strong><\/h3>\n

C\u00e1c nh\u00e0 m\u00e1y axit phosphoric ho\u1ea1t \u0111\u1ed9ng v\u1edbi nhu c\u1ea7u \u0111\u1ea7u ra v\u00e0 th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng nghi\u00eam ng\u1eb7t. B\u1ea5t k\u1ef3 b\u01b0\u1edbc ph\u1ee5c h\u1ed3i m\u1edbi n\u00e0o c\u0169ng kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m ch\u1eadm t\u1ed1c \u0111\u1ed9 l\u1ecdc th\u1ea1ch th\u1ea1ch ho\u1eb7c t\u1ea1o axit. C\u00e1c h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng x\u1eed l\u00fd r\u1eafn c\u1ea1nh nhau v\u00e0 ti\u1ebfp t\u1ee5c ch\u1ea1y kh\u00f4ng d\u1eebng ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c c\u00e1ch nh\u00e0 m\u00e1y hi\u1ec7n t\u1ea1i.<\/p>\n

Ph\u00f9 h\u1ee3p t\u1ed1t \u0111\u1ebfn t\u1eeb c\u00e1c \u0111\u01a1n v\u1ecb ph\u1ee5c h\u1ed3i x\u00e2y d\u1ef1ng theo c\u00e1c m\u00f4 h\u00ecnh c\u00f4ng vi\u1ec7c \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn. L\u1ef1a ch\u1ecdn c\u00f4ng c\u1ee5, l\u1ecbch s\u1eeda ch\u1eefa v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m so\u00e1t n\u00ean ph\u00f9 h\u1ee3p v\u1edbi th\u00f3i quen hi\u1ec7n c\u00f3. H\u1ecd kh\u00f4ng n\u00ean th\u00eam c\u00e1c bi\u1ebfn ch\u1ee9ng m\u1edbi.<\/p>\n

Y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng v\u00e0 quy \u0111\u1ecbnh n\u00e0o \u0111\u1ecbnh h\u00ecnh Ph\u1ee5c h\u1ed3i Tr\u00e1i \u0111\u1ea5t hi\u1ebfm Phosphogypsum?<\/b><\/strong><\/h2>\n

Ph\u00f9 h\u1ee3p k\u1ef9 thu\u1eadt trong qu\u00e1 kh\u1ee9, hi\u1ec7u su\u1ea5t xanh b\u00e2y gi\u1edd h\u01b0\u1edbng d\u1eabn ph\u00ea duy\u1ec7t d\u1ef1 \u00e1n.<\/p>\n

C\u00e1ch t\u00e1ch r\u1eafn-l\u1ecfng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t l\u00e0m gi\u1ea3m s\u1ef1 di chuy\u1ec3n c\u1ee7a ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m v\u00e0 h\u1ed7 tr\u1ee3 ch\u1ea5p nh\u1eadn quy \u0111\u1ecbnh<\/b><\/strong><\/h3>\n

Ph\u1ee5c h\u1ed3i \u0111\u1ea5t hi\u1ebfm c\u00f3 th\u1ec3 gi\u1ea3i ph\u00f3ng m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf d\u1ea5u v\u1ebft ph\u00f3ng x\u1ea1 v\u00e0 kim lo\u1ea1i n\u1eb7ng n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch. L\u1ecdc v\u1eefng ch\u1eafc v\u00e0 v\u00f2ng b\u00f9n \u0111\u00f3ng gi\u1ea3m c\u01a1 h\u1ed9i r\u00f2 r\u1ec9 kh\u00f4ng mong mu\u1ed1n v\u00e0 l\u00e0m cho ki\u1ec3m tra d\u1ec5 d\u00e0ng h\u01a1n. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cung c\u1ea5p ph\u1ee5c h\u1ed3i nh\u01b0 m\u1ed9t s\u1ef1 gi\u00fap \u0111\u1ee1 cho ki\u1ec3m so\u00e1t ch\u1ea5t th\u1ea3i t\u1ed5ng th\u1ec3, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 m\u1edbi.<\/p>\n

Quy t\u1eafc tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n c\u1ee7a k\u1ebf ho\u1ea1ch ngay t\u1eeb \u0111\u1ea7u. \u0110i\u1ec1u n\u00e0y l\u00e0m t\u0103ng c\u01a1 h\u1ed9i cho gi\u1ea5y ph\u00e9p v\u00e0 ch\u1ea1y \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i.<\/p>\n

K\u1ebft lu\u1eadn<\/b><\/strong><\/h2>\n

Vi\u1ec7c k\u00e9o c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm t\u1eeb phosphogypsum \u0111\u00e1nh d\u1ea5u m\u1ed9t c\u00e1ch m\u1edbi \u0111\u1ec3 xem ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a nh\u00e0 m\u00e1y. C\u01a1 h\u1ed9i kh\u00f4ng ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ef7 l\u1ec7 lo\u1ea1i b\u1ecf h\u00f3a ch\u1ea5t. N\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c chu\u1ea9n b\u1ecb b\u00f9n, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh l\u1ecdc v\u00e0 logic ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 c\u00f4ng vi\u1ec7c li\u00ean t\u1ee5c v\u00e0 \u0111\u00e1ng tin c\u1eady hay kh\u00f4ng. Khi c\u00e1c \u0111i\u1ec3m k\u1ef9 thu\u1eadt c\u01a1 b\u1ea3n n\u00e0y \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft, phosphogypsum thay \u0111\u1ed5i t\u1eeb \u0111au \u0111\u1ea7u l\u01b0u tr\u1eef th\u00e0nh m\u1ed9t ngu\u1ed3n th\u1ee9 c\u1ea5p h\u1eefu \u00edch. N\u00f3 h\u1ed7 tr\u1ee3 t\u00e1i s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u v\u00e0 cung c\u1ea5p m\u1ea1nh m\u1ebd h\u01a1n theo th\u1eddi gian.<\/p>\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/b><\/strong>S<\/b><\/strong><\/h2>\n

Q1: S\u1ef1 ph\u1ee5c h\u1ed3i \u0111\u1ea5t hi\u1ebfm t\u1eeb phosphogypsum c\u00f3 c\u1ea1nh tranh v\u1ec1 m\u1eb7t kinh t\u1ebf v\u1edbi khai th\u00e1c m\u1ecf ch\u00ednh kh\u00f4ng? <\/b><\/strong><\/p>\n

A: N\u00f3 c\u00f3 th\u1ec3 c\u1ea1nh tranh t\u1ed1t khi \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o c\u00e1c thi\u1ebft l\u1eadp axit phosphoric hi\u1ec7n t\u1ea1i. \u0110i\u1ec1u n\u00e0y b\u1ecf qua chi ph\u00ed khai th\u00e1c m\u1ecf, ph\u00e1 v\u1ee1 \u0111\u00e1 v\u00e0 c\u00e1c b\u01b0\u1edbc h\u00f3a h\u1ecdc \u0111\u1ea7u ti\u00ean.<\/p>\n

 <\/p>\n

Q2: Y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt n\u00e0o th\u01b0\u1eddng h\u1ea1n ch\u1ebf m\u1edf r\u1ed9ng<\/b><\/strong>?<\/b><\/strong>\u00a0\u00a0<\/b><\/strong><\/p>\n

A: S\u1ef1 t\u00e1ch r\u1eafn v\u00e0 ch\u1ea5t l\u1ecfng kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, \u0111\u1eb7c bi\u1ec7t l\u00e0 ki\u1ec3m so\u00e1t n\u01b0\u1edbc v\u00e0 x\u1eed l\u00fd c\u00e1c h\u1ea1t nh\u1ecf. Nh\u1eefng \u0111i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 \u1ed5n \u0111\u1ecbnh r\u1ec9 r\u1ec9.<\/p>\n

\u00a0<\/b><\/strong><\/p>\n

Q3: C\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i \u0111\u01b0\u1ee3c th\u00eam m\u00e0 kh\u00f4ng l\u00e0m gi\u00e1n \u0111o\u1ea1n s\u1ea3n xu\u1ea5t axit phosphoric? <\/b><\/strong><\/p>\n

A: V\u00e2ng, mi\u1ec5n l\u00e0 c\u00e1c \u0111\u01b0\u1eddng d\u1eabn ph\u1ee5c h\u1ed3i ch\u1ea1y b\u00ean c\u1ea1nh v\u00e0 tu\u00e2n th\u1ee7 gi\u1edbi h\u1ea1n l\u1ecdc hi\u1ec7n t\u1ea1i v\u00e0 quy t\u1eafc s\u1eeda ch\u1eefa.<\/p>","protected":false},"excerpt":{"rendered":"

Phosphogypsum has often been seen as an unwanted side product from making phosphoric acid using the wet method. It has mainly been stored and treated as an environmental issue. This view is changing now. Huge amounts of stored phosphogypsum have built up at the same time as the need for rare earth elements keeps rising. […]<\/p>\n","protected":false},"author":1,"featured_media":6182,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"class_list":["post-6180","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"acf":{"photo_gallery":{"\u6848\u4f8b\u753b\u5eca":[[]]}},"_links":{"self":[{"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/posts\/6180","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/comments?post=6180"}],"version-history":[{"count":4,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/posts\/6180\/revisions"}],"predecessor-version":[{"id":6552,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/posts\/6180\/revisions\/6552"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/media\/6182"}],"wp:attachment":[{"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/media?parent=6180"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/categories?post=6180"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/tags?post=6180"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}