{"id":6979,"date":"2026-04-02T14:44:52","date_gmt":"2026-04-02T06:44:52","guid":{"rendered":"https:\/\/www.chinanhd.com\/?p=6979"},"modified":"2026-04-13T18:45:14","modified_gmt":"2026-04-13T10:45:14","slug":"how-a-tube-trough-acid-distributor-minimizes-so2-emissions-in-sulfuric-acid-plants","status":"publish","type":"post","link":"https:\/\/www.chinanhd.com\/vi\/how-a-tube-trough-acid-distributor-minimizes-so2-emissions-in-sulfuric-acid-plants\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o m\u1ed9t nh\u00e0 ph\u00e2n ph\u1ed1i axit \u1ed1ng gi\u1ea3m thi\u1ec3u kh\u00ed th\u1ea3i SO2 trong c\u00e1c nh\u00e0 m\u00e1y axit sulfuric"},"content":{"rendered":"

\"Ph\u00e1t<\/h1>\n

 <\/p>\n

Trong c\u00e1c nh\u00e0 m\u00e1y axit l\u01b0u hu\u1ef3nh tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, c\u00e1c nh\u00e0 khai th\u00e1c l\u00e0m vi\u1ec7c ch\u0103m ch\u1ec9 \u0111\u1ec3 bi\u1ebfn sulfur dioxide th\u00e0nh axit h\u1eefu \u00edch trong khi ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i. Tuy nhi\u00ean, c\u00e1c quy t\u1eafc nghi\u00eam ng\u1eb7t h\u01a1n t\u1eeb c\u00e1c c\u01a1 quan nh\u01b0 EPA ti\u1ebfp t\u1ee5c \u0111\u1ea9y gi\u1edbi h\u1ea1n th\u1ea5p h\u01a1n v\u1ec1 c\u00e1c b\u1ea3n ph\u00e1t h\u00e0nh ng\u0103n ch\u1ed3ng. Nhi\u1ec1u nh\u00e0 m\u00e1y v\u1eabn d\u1ef1a v\u00e0o thi\u1ebft b\u1ecb c\u0169 cho ph\u00e9p SO2<\/sub>\u00a0tr\u01b0\u1ee3t qua, d\u1eabn \u0111\u1ebfn \u0111au \u0111\u1ea7u tu\u00e2n th\u1ee7, ph\u1ea1t ti\u1ec1m n\u0103ng, v\u00e0 th\u1eadm ch\u00ed m\u1ea5t th\u1eddi gian s\u1ea3n xu\u1ea5t. Nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 th\u01b0\u1eddng n\u1eb1m trong hi\u1ec7u qu\u1ea3 ti\u1ebfp x\u00fac kh\u00ed-ch\u1ea5t l\u1ecfng k\u00e9m: b\u1ed9 ph\u00e2n ph\u1ed1i axit ng\u1ed3i \u1edf \u0111\u1ec9nh th\u00e1p h\u1ea5p th\u1ee5.<\/p>\n

M\u1ed9t n\u00e2ng c\u1ea5p \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 a\u00a0<\/b><\/strong>nh\u00e0 ph\u00e2n ph\u1ed1i axit \u1ed1ng<\/b><\/u><\/strong><\/a>\u00a0c\u00f3 th\u1ec3 thay \u0111\u1ed5i h\u00ecnh \u1ea3nh nhanh ch\u00f3ng. Thi\u1ebft k\u1ebf n\u00e0y lan truy\u1ec1n axit \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n tr\u00ean bao b\u00ec, c\u1eaft gi\u1ea3m c\u00e1c \u0111i\u1ec3m kh\u00f4 v\u00e0 n\u1eafm b\u1eaft nhi\u1ec1u kh\u00ed h\u01a1n ngay n\u01a1i quan tr\u1ecdng. C\u00e1c nh\u00e0 m\u00e1y chuy\u1ec3n \u0111\u1ed5i b\u00e1o c\u00e1o t\u1ef7 l\u1ec7 h\u1ea5p th\u1ee5 t\u1ed1t h\u01a1n v\u00e0 kh\u00ed th\u1ea3i th\u1ea5p h\u01a1n \u0111\u1ea1t \u0111\u01b0\u1ee3c tu\u00e2n th\u1ee7 m\u00f4i tr\u01b0\u1eddng m\u00e0 kh\u00f4ng c\u1ea7n m\u00e1y t\u1ea9y n\u1eb7ng CAPEX ho\u1eb7c s\u1eeda \u0111\u1ed5i b\u1ed1 tr\u00ed. \u0110\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 ai \u0111i\u1ec1u h\u00e0nh m\u1ed9t nh\u00e0 m\u00e1y axit sulfuric ng\u00e0y nay, hi\u1ec3u l\u00e0m th\u1ebf n\u00e0o m\u1ed9t m\u1ea3nh thi\u1ebft b\u1ecb n\u00e0y gi\u1ea3i quy\u1ebft SO2<\/sub>\u00a0t\u1ea1i ngu\u1ed3n t\u1ea1o ra s\u1ef1 kh\u00e1c bi\u1ec7t th\u1ef1c s\u1ef1 trong ho\u1ea1t \u0111\u1ed9ng h\u00e0ng ng\u00e0y v\u00e0 chi ph\u00ed d\u00e0i h\u1ea1n.<\/p>\n

Nguy\u00ean nh\u00e2n \u1ea9n c\u1ee7a kh\u00ed th\u1ea3i cao<\/strong><\/h2>\n

Tr\u01b0\u1edbc khi kh\u00e1m ph\u00e1 c\u00e1c gi\u1ea3i ph\u00e1p, n\u00f3 gi\u00fap l\u00f9i l\u1ea1i v\u00e0 xem t\u1ea1i sao kh\u00ed th\u1ea3i leo thang ngay c\u1ea3 khi ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a nh\u00e0 m\u00e1y ch\u1ea1y tr\u01a1n tru. Nh\u00e0 m\u00e1y axit sulfuric ph\u1ee5 thu\u1ed9c v\u00e0o ti\u1ebfp x\u00fac kh\u00ed l\u1ecfng m\u1ea1nh m\u1ebd b\u00ean trong th\u00e1p h\u1ea5p th\u1ee5. Khi li\u00ean l\u1ea1c \u0111\u00f3 suy y\u1ebfu, n\u00ean2<\/sub>\u00a0T\u00ecm m\u1ed9t c\u00e1ch tho\u00e1t ra. Nhi\u1ec1u c\u01a1 s\u1edf theo d\u00f5i v\u1ea5n \u0111\u1ec1 tr\u1ef1c ti\u1ebfp tr\u1edf l\u1ea1i c\u00e1ch axit v\u00e0o th\u00e1p.<\/p>\n

Gi\u1edbi h\u1ea1n c\u1ee7a c\u00f4ng ngh\u1ec7 c\u0169<\/strong><\/h3>\n

The “ Hi\u1ec7u \u1ee9ng k\u00eanh ” v\u00e0 nh\u01b0 v\u1eady<\/strong>2<\/sub><\/strong>\u00a0tr\u01b0\u1ee3t<\/strong><\/h3>\n

S\u1ef1 l\u00e2y lan axit kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u t\u1ea1o ra c\u00e1c k\u00eanh kh\u00f4 th\u00f4ng qua \u0111\u00f3ng g\u00f3i. Kh\u00ed ch\u1ea3y qua c\u00e1c con \u0111\u01b0\u1eddng n\u00e0y thay v\u00ec tr\u1ed9n tr\u1ecdn v\u1eb9n v\u1edbi ch\u1ea5t l\u1ecfng. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn SO3<\/sub>\u00a0tr\u01b0\u1ee3t h\u01a1i n\u01b0\u1edbc, bi\u1ebfn th\u00e0nh s\u01b0\u01a1ng m\u00f9 axit khi \u0111\u00e1nh v\u00e0o kh\u00f4ng kh\u00ed l\u1ea1nh h\u01a1n b\u00ean ngo\u00e0i ng\u0103n ch\u1ed3ng. \"Hi\u1ec7u \u1ee9ng k\u00eanh\" n\u00e0y tr\u1ef1c ti\u1ebfp n\u00e2ng SO2 <\/sub>\u0111\u1ecdc v\u00e0 l\u00e0m cho ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i kh\u00f3 kh\u0103n h\u01a1n. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, c\u00e1c nh\u00e0 m\u00e1y th\u1ea5y hi\u1ec7u qu\u1ea3 h\u1ea5p th\u1ee5 gi\u1ea3m 10 \u0111\u1ebfn 20% ch\u1ec9 v\u00ec b\u1ed9 ph\u00e2n ph\u1ed1i axit kh\u00f4ng th\u1ec3 gi\u1eef cho m\u1ed7i ph\u1ea7n \u01b0\u1edbt. Ti\u00eau chu\u1ea9n hi\u1ec7u su\u1ea5t ngu\u1ed3n m\u1edbi c\u1ee7a EPA nh\u1ea5n m\u1ea1nh nh\u1eefng r\u1ee7i ro n\u00e0y, th\u00fac \u0111\u1ea9y c\u00e1c c\u01a1 s\u1edf gi\u1ea3i quy\u1ebft nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 thay v\u00ec \u0111i\u1ec1u tr\u1ecb c\u00e1c tri\u1ec7u ch\u1ee9ng h\u1ea1 l\u01b0u.<\/p>\n

T\u1ed1i \u0111a h\u00f3a hi\u1ec7u qu\u1ea3 h\u1ea5p th\u1ee5 th\u00f4ng qua ph\u00e2n ph\u1ed1i ch\u00ednh x\u00e1c<\/strong><\/h2>\n

Nh\u1eadn ra nh\u1eefng khuy\u1ebft \u0111i\u1ec3m c\u1ee7a c\u00e1c thi\u1ebft l\u1eadp truy\u1ec1n th\u1ed1ng \u0111\u1eb7t ra m\u1ed9t c\u00e2u h\u1ecfi quan tr\u1ecdng:<\/b><\/strong>\u00a0\u0110i\u1ec1u g\u00ec s\u1ebd x\u1ea3y ra n\u1ebfu axit \u0111\u1ea1t \u0111\u1ebfn m\u1ecdi ph\u1ea7n c\u1ee7a \u0111\u00f3ng g\u00f3i m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n? M\u1ed9t nh\u00e0 ph\u00e2n ph\u1ed1i axit \u1ed1ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t tr\u1ea3 l\u1eddi \u0111i\u1ec1u \u0111\u00f3 b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m t\u1ed1t nh\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng \u1ed1ng v\u00e0 \u1ed1ng. N\u00f3 cung c\u1ea5p d\u00f2ng ch\u1ea3y m\u01b0\u1ee3t m\u00e0 kh\u00f4ng b\u1ecb phun ho\u1eb7c t\u1eadp h\u1ee3p, c\u00f3 ngh\u0129a l\u00e0 t\u01b0\u01a1ng t\u00e1c kh\u00ed-ch\u1ea5t l\u1ecfng m\u1ea1nh h\u01a1n s\u1ebd k\u00e9o SO nhi\u1ec1u h\u01a1n2<\/sub>\u00a0v\u00e0o d\u00f2ng axit tr\u01b0\u1edbc khi n\u00f3 c\u00f3 th\u1ec3 tho\u00e1t kh\u1ecfi.<\/p>\n

\"Nh\u00e0<\/b><\/strong><\/p>\n

X\u00f3a b\u1ecf ho\u00e0n to\u00e0n c\u00e1c v\u00f9ng kh\u00f4<\/strong><\/h3>\n

Thi\u1ebft k\u1ebf \u1ed1ng s\u1eed d\u1ee5ng c\u00e1c \u1ed1ng ch\u1ea3y xu\u1ed1ng v\u00e0 c\u00e1c \u0111\u1ea7u ra \u1ed1ng \u0111\u1ec3 t\u1ea1o ra m\u1ed9t r\u00e8m axit \u1ed5n \u0111\u1ecbnh. V\u1edbi m\u1eadt \u0111\u1ed9 t\u01b0\u1edbi ti\u00eau nh\u1ea3y l\u00ean 42 \u0111i\u1ec3m tr\u00ean m\u1ed7i m\u00e9t vu\u00f4ng ho\u1eb7c cao h\u01a1n, t\u00f9y thu\u1ed9c v\u00e0o b\u1ed1 tr\u00ed t\u00f9y ch\u1ec9nh, c\u00e1c khu v\u1ef1c kh\u00f4 g\u1ea7n nh\u01b0 ho\u00e0n to\u00e0n bi\u1ebfn m\u1ea5t, \u0111\u1ea3m b\u1ea3o kh\u00ed kh\u00f4ng c\u00f2n l\u1ea9n n\u00e1t qua c\u00e1c khu v\u1ef1c ch\u01b0a \u0111\u01b0\u1ee3c ch\u1ea1m v\u00e0o v\u00e0 s\u1ef1 h\u1ea5p th\u1ee5 x\u1ea3y ra tr\u00ean to\u00e0n b\u1ed9 c\u1eaft ch\u00e9o th\u00e1p. Ch\u1ec9 c\u00f3 s\u1ef1 b\u1ea3o hi\u1ec3m th\u1ed1ng nh\u1ea5t n\u00e0y c\u00f3 th\u1ec3 n\u00e2ng hi\u1ec7u qu\u1ea3 t\u1ed5ng th\u1ec3 theo nh\u1eefng c\u00e1ch m\u00e0 c\u00e1c nh\u00e0 ph\u00e2n ph\u1ed1i \u1ed1ng th\u00e9p kh\u00f4ng g\u1ec9 c\u0169 h\u01a1n \u0111\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng th\u1ec3 ph\u00f9 h\u1ee3p.<\/p>\n

\u0110\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 h\u1ea5p th\u1ee5 \u0111\u1ea7y \u0111\u1ee7 m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean<\/strong><\/h3>\n

V\u1edbi s\u1ef1 ph\u00e2n ph\u1ed1i \u0111\u1ed3ng \u0111\u1ec1u, ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc gi\u1eefa kh\u00ed v\u00e0 \u0111\u1ea3m b\u1ea3o m\u1ed9t m\u00e0ng l\u1ecfng \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean b\u1ec1 m\u1eb7t \u0111\u00f3ng g\u00f3i. T\u1ed1c \u0111\u1ed9 axit th\u1ea5p h\u01a1n b\u00ean trong \u1ed1ng - kho\u1ea3ng 0,5 \u0111\u1ebfn 0,65 m\u00e9t m\u1ed7i gi\u00e2y - l\u00e0m gi\u1ea3m s\u1ef1 h\u00ecnh th\u00e0nh s\u01b0\u01a1ng m\u00f9 v\u00e0 gi\u1eef cho \u0111\u00f3ng g\u00f3i trong t\u00ecnh tr\u1ea1ng t\u1ed1i \u01b0u. C\u00e1c nh\u00e0 v\u1eadn h\u00e0nh nh\u1eadn th\u1ea5y hi\u1ec7u su\u1ea5t th\u00e1p \u1ed5n \u0111\u1ecbnh h\u01a1n v\u00e0 \u00edt bi\u1ebfn \u0111\u1ed9ng h\u01a1n v\u1ec1 c\u01b0\u1eddng \u0111\u1ed9 axit \u0111\u1ea7u ra. Trong c\u00e1c nh\u00e0 m\u00e1y axit sulfuric, s\u1ef1 c\u1ea3i thi\u1ec7n t\u1ef1 nhi\u00ean n\u00e0y c\u00f3 ngh\u0129a l\u00e0 \u00edt SO h\u01a1n2<\/sub>\u00a0\u0111\u1ec3 l\u1ea1i ng\u0103n ch\u1ed3ng m\u00e0 kh\u00f4ng c\u00f3 n\u0103ng l\u01b0\u1ee3ng ho\u1eb7c h\u00f3a ch\u1ea5t b\u1ed5 sung.<\/p>\n

\u0110\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 tu\u00e2n th\u1ee7 m\u00e0 kh\u00f4ng c\u1ea7n m\u00e1y t\u1ea9y b\u1ed5 sung<\/strong><\/h3>\n

M\u1ed9t nh\u00e0 ph\u00e2n ph\u1ed1i \u1ed1ng th\u01b0\u1eddng lo\u1ea1i b\u1ecf nhu c\u1ea7u ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i b\u1ed5 sung t\u1ed1n k\u00e9m b\u1eb1ng c\u00e1ch s\u1eeda ch\u1eefa v\u1ea5n \u0111\u1ec1 t\u1ea1i ngu\u1ed3n. Xem c\u00e1ch so s\u00e1nh hai thi\u1ebft l\u1eadp d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n\n\n\n\n\n\n\n\n
T\u00ednh n\u0103ng<\/b><\/strong><\/td>\nNh\u00e0 ph\u00e2n ph\u1ed1i \u1ed1ng th\u00f4ng th\u01b0\u1eddng<\/b><\/strong><\/td>\nNh\u00e0 ph\u00e2n ph\u1ed1i axit \u1ed1ng NHD<\/b><\/strong><\/td>\n<\/tr>\n
M\u1eadt \u0111\u1ed9 t\u01b0\u1edbi<\/td>\nH\u01a1n (1-3 \u0111i\u1ec3m \/ m\u00b2)<\/td>\nCao h\u01a1n (\u226542 \u0111i\u1ec3m \/ m\u00b2)<\/td>\n<\/tr>\n
Kh\u00e1ng t\u1eafc ngh\u1ebdn<\/td>\nd\u1ec5 b\u1ecb t\u1eafc ngh\u1ebdn h\u01a1n<\/td>\nSuperior (khu v\u1ef1c m\u1edf r\u1ed9ng)<\/td>\n<\/tr>\n
\u0110\u1ed9 ch\u00ednh x\u00e1c l\u1eafp \u0111\u1eb7t<\/td>\nTh\u01b0\u1eddng nh\u1ea1y c\u1ea3m v\u1edbi leveling<\/td>\nKh\u00e1ng dung cao \u0111\u1ed1i v\u1edbi ngo\u00e0i c\u1ea5p \u0111\u1ed9<\/td>\n<\/tr>\n
Ki\u1ec3m so\u00e1t \u0103n m\u00f2n<\/td>\nS\u1ef1 x\u00f3i m\u00f2n n\u1eb7ng<\/td>\nHi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh ngay c\u1ea3 sau nhi\u1ec1u n\u0103m<\/td>\n<\/tr>\n
\u00c1p su\u1ea5t gi\u1ea3m<\/td>\nCao h\u01a1n<\/td>\nT\u1ed1i \u01b0u & th\u1ea5p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Quan \u0111i\u1ec3m c\u1ea1nh nhau n\u00e0y cho th\u1ea5y t\u1ea1i sao nhi\u1ec1u nh\u00e0 ph\u00e2n ph\u1ed1i axit sulfuric b\u00e2y gi\u1edd \u01b0a th\u00edch phong c\u00e1ch \u1ed1ng \u0111\u1ec3 ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i l\u00e2u d\u00e0i.<\/p>\n

B\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb n\u1ed9i b\u1ed9 kh\u1ecfi thi\u1ec7t h\u1ea1i nghi\u00eam tr\u1ecdng<\/strong><\/h2>\n

S\u1ef1 ph\u00e2n ph\u1ed1i c\u1ea3i thi\u1ec7n kh\u00f4ng ch\u1ec9 gi\u1ea3m kh\u00ed th\u1ea3i. N\u00f3 c\u0169ng b\u1ea3o v\u1ec7 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong c\u1ee7a th\u00e1p kh\u1ecfi s\u1ef1 m\u00e0i m\u00f2n l\u00e0m ng\u1eafn tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb. Trong m\u1ed9t nh\u00e0 m\u00e1y axit l\u01b0u hu\u1ef3nh, m\u1ed7i n\u0103m d\u1ecbch v\u1ee5 \u0111\u00e1ng tin c\u1eady b\u1ed5 sung th\u00eam gi\u00e1 tr\u1ecb th\u1ef1c s\u1ef1.<\/p>\n

Ng\u0103n ch\u1eb7n chu k\u1ef3 \u01b0\u1edbt-kh\u00f4 g\u00e2y h\u1ea1i<\/strong><\/h3>\n

C\u00e1c nh\u00e0 ph\u00e2n ph\u1ed1i c\u0169 t\u1ea1o ra c\u00e1c khu v\u1ef1c \u01b0\u1edbt v\u00e0 kh\u00f4 thay \u0111\u1ed5i khi d\u00f2ng ch\u1ea3y axit thay \u0111\u1ed5i ho\u1eb7c h\u00ecnh th\u00e0nh t\u1eafc ngh\u1ebdn. C\u00e1c chu k\u1ef3 n\u00e0y t\u0103ng t\u1ed1c \u0111\u1ed9 \u0103n m\u00f2n tr\u00ean \u0111\u00f3ng g\u00f3i, t\u01b0\u1eddng v\u00e0 c\u1ea5u tr\u00fac h\u1ed7 tr\u1ee3. M\u1ed9t b\u1ed9 ph\u00e2n ph\u1ed1i axit \u1ed1ng ng\u1eebng chu k\u1ef3 b\u1eb1ng c\u00e1ch gi\u1eef cho to\u00e0n b\u1ed9 gi\u01b0\u1eddng lu\u00f4n \u01b0\u1edbt. \u0110i\u1ec1u n\u00e0y lo\u1ea1i b\u1ecf c\u00e1c \u0111i\u1ec3m n\u00f3ng \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 x\u00f3i m\u00f2n bu\u1ed9c ph\u1ea3i thay th\u1ebf thi\u1ebft b\u1ecb s\u1edbm.<\/p>\n

G\u1ea5p \u0111\u00f4i tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u00f3ng g\u00f3i th\u00e1p<\/strong><\/h3>\n

D\u1eef li\u1ec7u t\u1eeb c\u00e1c nh\u00e0 m\u00e1y \u0111\u00e3 \u0111\u01b0\u1ee3c n\u00e2ng c\u1ea5p cho th\u1ea5y \u0111\u00f3ng g\u00f3i th\u00e1p k\u00e9o d\u00e0i g\u1ea5p \u0111\u00f4i. H\u1ee3p kim silicon cao HD-1 \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong NHD<\/b><\/u><\/strong><\/a>\u00a0C\u00e1c \u0111\u01a1n v\u1ecb t\u1ea1o th\u00e0nh m\u1ed9t b\u1ed9 phim b\u1ea3o v\u1ec7 trong axit n\u00f3ng, t\u1eadp trung, ch\u1ed1ng l\u1ea1i thi\u1ec7t h\u1ea1i trong h\u01a1n m\u01b0\u1eddi n\u0103m. M\u1ed9t nh\u00e0 m\u00e1y \u0111i\u1ec7n S\u01a1n \u0110\u00f4ng b\u00e1o c\u00e1o kh\u00f4ng c\u00f3 s\u1ef1 \u0103n m\u00f2n r\u00f5 r\u00e0ng sau t\u00e1m n\u0103m s\u1eed d\u1ee5ng li\u00ean t\u1ee5c. Nh\u1eadt k\u00fd b\u1ea3o tr\u00ec tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n h\u01a1n, v\u00e0 th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng gi\u1ea3m m\u1ea1nh m\u1ebd. \u0110\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 nh\u00e0 qu\u1ea3n l\u00fd nh\u00e0 m\u00e1y axit l\u01b0u hu\u1ef3nh n\u00e0o theo d\u00f5i chi ph\u00ed thay th\u1ebf, nh\u1eefng l\u1ee3i \u00edch n\u00e0y t\u0103ng l\u00ean nhanh ch\u00f3ng.<\/p>\n

L\u00e0m n\u00e2ng c\u1ea5p ph\u00f9 h\u1ee3p cho c\u01a1 s\u1edf c\u1ee7a b\u1ea1n<\/strong><\/h2>\n

Bi\u1ebft \u0111\u01b0\u1ee3c l\u1ee3i \u00edch l\u00e0 m\u1ed9t \u0111i\u1ec1u. Quy\u1ebft \u0111\u1ecbnh khi n\u00e0o v\u00e0 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 n\u00e2ng c\u1ea5p l\u00e0 m\u1ed9t \u0111i\u1ec1u kh\u00e1c. H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 \u0111i\u1ec1u h\u00e0nh b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch nh\u00ecn v\u00e0o d\u1eef li\u1ec7u c\u1ee7a ri\u00eang h\u1ecd thay v\u00ec \u0111o\u00e1n.<\/p>\n

Xem l\u1ea1i nh\u1eadt k\u00fd b\u1ea3o tr\u00ec c\u1ee7a b\u1ea1n<\/strong><\/h3>\n

L\u1ea5y c\u00e1c h\u1ed3 s\u01a1 g\u1ea7n \u0111\u00e2y v\u00e0 t\u00ecm ki\u1ebfm c\u00e1c m\u1eabu. L\u00e0m s\u1ea1ch nh\u00e0 ph\u00e2n ph\u1ed1i th\u01b0\u1eddng xuy\u00ean, gi\u1ea3m \u00e1p su\u1ea5t t\u0103ng, ho\u1eb7c leo SO2<\/sub>\u00a0\u0110\u1ecdc th\u01b0\u1eddng ch\u1ec9 ra c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u00e2n ph\u1ed1i. N\u1ebfu b\u00e1o c\u00e1o ph\u00e1t th\u1ea3i cho th\u1ea5y s\u1ef1 gia t\u0103ng th\u1ec9nh tho\u1ea3ng ho\u1eb7c n\u1ebfu thay th\u1ebf \u0111\u00f3ng g\u00f3i \u0111\u1ebfn s\u1edbm h\u01a1n d\u1ef1 ki\u1ebfn, c\u00f3 th\u1ec3 \u0111\u00e3 \u0111\u1ebfn l\u00fac xem x\u00e9t m\u1ed9t thay \u0111\u1ed5i. Nh\u1eefng d\u1ea5u hi\u1ec7u n\u00e0y xu\u1ea5t hi\u1ec7n d\u1ea7n d\u1ea7n, v\u00ec v\u1eady m\u1ed9t ki\u1ec3m to\u00e1n nhanh ch\u00f3ng c\u00f3 th\u1ec3 ti\u1ebft l\u1ed9 chi ph\u00ed \u1ea9n c\u1ee7a vi\u1ec7c d\u00ednh d\u00e1n v\u1edbi c\u00e1c nh\u00e0 ph\u00e2n ph\u1ed1i \u1ed1ng th\u00e9p kh\u00f4ng g\u1ec9 c\u0169 h\u01a1n.<\/p>\n

\u0110\u1ed1i t\u00e1c v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t chuy\u00ean ng\u00e0nh<\/strong><\/h3>\n

N\u00e2ng c\u1ea5p tr\u01a1n tru v\u1edbi c\u00e1c thi\u1ebft k\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m tr\u00ean th\u1ef1c \u0111\u1ecba. NHD<\/b><\/u><\/strong><\/a>\u00a0\u0111\u1ed1i t\u00e1c v\u1edbi c\u00e1c vi\u1ec7n nghi\u00ean c\u1ee9u \u0111\u1ec3 cung c\u1ea5p c\u00e1c nh\u00e0 ph\u00e2n ph\u1ed1i axit \u1ed1ng b\u1ec1n. Ch\u00fang t\u00f4i t\u00f9y ch\u1ec9nh k\u00edch th\u01b0\u1edbc v\u00e0 v\u1eadt li\u1ec7u c\u1ee7a b\u1ea1n - v\u1edbi c\u00e1c m\u1eb7t b\u00edch h\u1ee3p ch\u1ea5t hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed c\u1ee7a ch\u00fang t\u00f4i - \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt th\u00e1p ch\u00ednh x\u00e1c c\u1ee7a b\u1ea1n.<\/p>\n

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

Thay th\u1ebf thi\u1ebft b\u1ecb l\u1ed7i th\u1eddi b\u1eb1ng m\u1ed9t nh\u00e0 ph\u00e2n ph\u1ed1i axit \u1ed1ng<\/b><\/u><\/strong><\/a>\u00a0c\u1ea3i thi\u1ec7n ti\u1ebfp x\u00fac kh\u00ed-ch\u1ea5t l\u1ecfng, ng\u0103n ch\u1eb7n c\u00e1c chu k\u1ef3 \u0103n m\u00f2n g\u00e2y h\u1ea1i v\u00e0 \u0111\u01b0a kh\u00ed th\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c quy t\u1eafc hi\u1ec7n t\u1ea1i. C\u00e1c nh\u00e0 m\u00e1y s\u1eed d\u1ee5ng c\u00e1c \u0111\u01a1n v\u1ecb n\u00e0y th\u01b0\u1eddng th\u1ea5y c\u00e1c ng\u0103n x\u1ebfp s\u1ea1ch h\u01a1n, tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb l\u00e2u h\u01a1n v\u00e0 s\u1ea3n xu\u1ea5t \u1ed5n \u0111\u1ecbnh h\u01a1n - t\u1ea5t c\u1ea3 \u0111\u1ec1u kh\u00f4ng c\u00f3 c\u00e1c d\u1ef1 \u00e1n v\u1ed1n l\u1edbn. \u0110\u1ed1i v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh ph\u00f9 h\u1ee3p v\u1edbi nh\u00e0 m\u00e1y axit sulfuric c\u1ee7a b\u1ea1n, li\u00ean h\u1ec7 <\/b><\/u><\/strong>ch\u00fang t\u00f4i<\/b><\/u><\/strong><\/a>\u00a0qua WhatsApp<\/b><\/strong>\u00a0+86 13667324277<\/b><\/strong>\u00a0h\u00f4m nay.<\/p>\n

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

Q: S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa m\u1ed9t nh\u00e0 ph\u00e2n ph\u1ed1i \u1ed1ng v\u00e0 m\u1ed9t nh\u00e0 ph\u00e2n ph\u1ed1i \u1ed1ng l\u00e0 g\u00ec? <\/b><\/strong><\/p>\n

A: C\u00e1c nh\u00e0 ph\u00e2n ph\u1ed1i \u1ed1ng d\u1ef1a v\u00e0o l\u1ed7 khoan \u0111\u1ec3 ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y, nh\u01b0ng d\u1ec5 d\u00e0ng t\u1eafc ngh\u1ebdn v\u00e0 \u0103n m\u00f2n theo th\u1eddi gian. M\u1ed9t b\u1ed9 ph\u00e2n ph\u1ed1i axit \u1ed1ng k\u1ebft h\u1ee3p tr\u00e0n ng\u1eadp \u1ed1ng v\u1edbi c\u00e1c \u0111\u1ea7u ra \u1ed1ng \u0111\u1ec3 lan r\u1ed9ng m\u1ecbn h\u01a1n, \u0111\u1ed3ng nh\u1ea5t h\u01a1n v\u00e0 ch\u1ed1ng t\u1eafc ngh\u1ebdn v\u00e0 x\u00f3i m\u00f2n t\u1ed1t h\u01a1n nhi\u1ec1u.<\/p>\n

Q: M\u1ed9t nh\u00e0 ph\u00e2n ph\u1ed1i axit \u1ed1ng gi\u00fap gi\u1ea3m kh\u00ed th\u1ea3i l\u01b0u hu\u1ef3nh dioxide (SO2) nh\u01b0 th\u1ebf n\u00e0o? <\/b><\/strong><\/p>\n

A: N\u00f3 lo\u1ea1i b\u1ecf c\u00e1c k\u00eanh kh\u00f4 trong bao b\u00ec v\u00ec v\u1eady kh\u00ed v\u00e0 axit tr\u1ed9n k\u1ef9 l\u01b0\u1ee1ng tr\u00ean to\u00e0n b\u1ed9 th\u00e1p. \u0110i\u1ec1u n\u00e0y c\u1eaft gi\u1ea3m s\u1ef1 tr\u01b0\u1ee3t h\u01a1i SO3 v\u00e0 h\u00ecnh th\u00e0nh s\u01b0\u01a1ng m\u00f9 axit, l\u00e0m gi\u1ea3m \u0111\u1ecdc ng\u0103n ch\u1ed3ng v\u00e0 l\u00e0m cho ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i d\u1ec5 d\u00e0ng h\u01a1n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c.<\/p>\n

Q: N\u00e2ng c\u1ea5p nh\u00e0 ph\u00e2n ph\u1ed1i c\u1ee7a t\u00f4i c\u00f3 th\u1ec3 th\u1ef1c s\u1ef1 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u00f3ng g\u00f3i th\u00e1p c\u1ee7a t\u00f4i kh\u00f4ng? <\/b><\/strong><\/p>\n

A: V\u00e2ng. B\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf c\u00e1c chu k\u1ef3 \u01b0\u1edbt kh\u00f4 v\u00e0 gi\u1ea3m t\u00e1c \u0111\u1ed9ng s\u01b0\u01a1ng m\u00f9, \u0111\u00f3ng g\u00f3i \u1edf trong t\u00ecnh tr\u1ea1ng t\u1ed1t h\u01a1n. Nhi\u1ec1u nh\u00e0 m\u00e1y b\u00e1o c\u00e1o tu\u1ed5i th\u1ecd \u0111\u00f3ng g\u00f3i t\u0103ng g\u1ea5p \u0111\u00f4i, v\u1edbi m\u1ed9t s\u1ed1 c\u00e0i \u0111\u1eb7t NHD kh\u00f4ng cho th\u1ea5y \u0103n m\u00f2n l\u1edbn sau t\u00e1m n\u0103m ph\u1ee5c v\u1ee5.<\/p>","protected":false},"excerpt":{"rendered":"

N\u00e2ng c\u1ea5p l\u00ean m\u1ed9t b\u1ed9 ph\u00e2n ph\u1ed1i axit \u1ed1ng c\u1ea3i thi\u1ec7n ti\u1ebfp x\u00fac kh\u00ed-ch\u1ea5t l\u1ecfng, gi\u1ea3m kh\u00ed th\u1ea3i SO2 v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb m\u00e0 kh\u00f4ng c\u1ea7n th\u00eam m\u00e1y t\u1ea9y \u0111\u1eaft ti\u1ec1n.<\/p>","protected":false},"author":1,"featured_media":6980,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37],"tags":[],"class_list":["post-6979","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":{"photo_gallery":{"\u6848\u4f8b\u753b\u5eca":[[]]}},"_links":{"self":[{"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/posts\/6979","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=6979"}],"version-history":[{"count":1,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/posts\/6979\/revisions"}],"predecessor-version":[{"id":6983,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/posts\/6979\/revisions\/6983"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/media\/6980"}],"wp:attachment":[{"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/media?parent=6979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/categories?post=6979"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/tags?post=6979"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}