{"id":7411,"date":"2021-05-10T10:36:46","date_gmt":"2021-05-10T03:36:46","guid":{"rendered":"https:\/\/vinatom.gov.vn\/?p=7411"},"modified":"2021-05-10T10:36:46","modified_gmt":"2021-05-10T03:36:46","slug":"danh-gia-kha-nang-bat-giu-iodine-cua-be-nuoc-trong-dieu-kien-su-co-nang","status":"publish","type":"post","link":"https:\/\/vinatom.gov.vn\/danh-gia-kha-nang-bat-giu-iodine-cua-be-nuoc-trong-dieu-kien-su-co-nang\/","title":{"rendered":"\u0110\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng b\u1eaft gi\u1eef  Iodine c\u1ee7a b\u1ec3 n\u01b0\u1edbc trong \u0111i\u1ec1u ki\u1ec7n s\u1ef1 c\u1ed1 n\u1eb7ng"},"content":{"rendered":"<p style=\"text-align: justify;\">Trong l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u v\u1ec1 tai n\u1ea1n nghi\u00eam tr\u1ecdng trong nh\u00e0 m\u00e1y \u0111i\u1ec7n h\u1ea1t nh\u00e2n, h\u1ea7u h\u1ebft c\u00e1c nghi\u00ean c\u1ee9u v\u1ec1 ngu\u1ed3n ph\u00f3ng x\u1ea1 \u0111\u1ec1u t\u1eadp trung v\u00e0o vi\u1ec7c \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ph\u00e1t t\u00e1n ph\u00f3ng x\u1ea1 ra ngo\u00e0i m\u00f4i tr\u01b0\u1eddng. Li\u00ean quan \u0111\u1ebfn bi\u1ec3u hi\u1ec7n c\u1ee7a iodine trong nh\u00e0 l\u00f2 ph\u1ea3n \u1ee9ng, \u1ee6y ban N\u0103ng l\u01b0\u1ee3ng Hoa K\u1ef3 th\u00f4ng qua t\u00e0i li\u1ec7u NUREG-1465 \u0111\u00e3 c\u00f3 k\u1ebft lu\u1eadn r\u1eb1ng, d\u1ea1ng h\u00f3a h\u1ecdc c\u1ee7a iodine x\u00e2m nh\u1eadp v\u00e0o nh\u00e0 l\u00f2 ph\u1ea3n \u1ee9ng t\u1eeb h\u1ec7 th\u1ed1ng ch\u1ea5t l\u00e0m m\u00e1t bao g\u1ed3m \u00edt nh\u1ea5t 95% CsI (d\u1ea1ng aerosol) v\u00e0 kh\u00f4ng qu\u00e1 5% (I + HI) (d\u1ea1ng kh\u00ed) r\u00f2 r\u1ec9 ra nh\u00e0 l\u00f2 ph\u1ea3n \u1ee9ng.\u00a0 Tuy nhi\u00ean, trong \u0111i\u1ec1u ki\u1ec7n ng\u1eabu nhi\u00ean, c\u00e1c ph\u00e2n t\u1eed I<sup>&#8211;<\/sup> kh\u00f4ng bay h\u01a1i ban \u0111\u1ea7u \u0111\u01b0\u1ee3c h\u00f2a tan trong b\u1ec3 ch\u1ee9a s\u1ebd b\u1ecb oxy h\u00f3a b\u1edfi c\u00e1c qu\u00e1 tr\u00ecnh ph\u00f3ng x\u1ea1 v\u00e0 cu\u1ed1i c\u00f9ng t\u1ea1o th\u00e0nh c\u00e1c i\u1ed1t ph\u00e2n t\u1eed d\u1ec5 bay h\u01a1i. Hay ng\u01b0\u1ee3c l\u1ea1i c\u00e1c ph\u00e2n t\u1eed i\u1ed1t trong pha n\u01b0\u1edbc c\u0169ng c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c b\u1ecb oxy h\u00f3a th\u00e0nh c\u00e1c oxit i\u1ed1t kh\u00f4ng bay h\u01a1i ho\u1eb7c b\u1ecb kh\u1eed b\u1edfi qu\u00e1 tr\u00ecnh nhi\u1ec7t ph\u00f3ng x\u1ea1 \u0111\u1ec3 tr\u1edf v\u1ec1 tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u c\u1ee7a n\u00f3. \u0110i\u1ec1u \u0111\u00f3 ch\u1ee9ng minh r\u1eb1ng ho\u1ea1t \u0111\u1ed9ng h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t i\u1ed1t trong n\u01b0\u1edbc l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 s\u1ef1 gi\u1ea3i ph\u00f3ng c\u1ee7a i\u1ed1t ra ngo\u00e0i m\u00f4i tr\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh ti\u1ebfn tri\u1ec3n c\u1ee7a tai n\u1ea1n quan tr\u1ecdng.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">IRIS code (<u>I<\/u>odine <u>R<\/u>etention <u>I<\/u>n <u>S<\/u>olution) l\u00e0 ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c nh\u00f3m nghi\u00ean c\u1ee9u x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean SPARC code \u0111\u00e3 c\u00f3, nh\u1eb1m \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng b\u1eaft gi\u1eef i\u1ed1t trong b\u1ec3 ch\u1ee9a h\u1ec7 FCVS (l\u00e0 h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd tai n\u1ea1n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1ea3m thi\u1ec3u vi\u1ec7c gi\u1ea3i ph\u00f3ng c\u00e1c s\u1ea3n ph\u1ea9m ph\u00e2n h\u1ea1ch khi gi\u1ea3i ph\u00f3ng \u00e1p l\u1ef1c c\u1ee7a t\u00f2a nh\u00e0 ng\u0103n ch\u1eb7n trong tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra s\u1ef1 c\u1ed1 nghi\u00eam tr\u1ecdng) th\u00f4ng qua x\u00e1c \u0111\u1ecbnh h\u1ec7 s\u1ed1 kh\u1eed i\u1ed1t DF, \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 t\u1ef7 s\u1ed1 gi\u1eef l\u01b0\u1ee3ng i\u1ed1t v\u00e0o\/ra trong b\u1ec3. IRIScode bao g\u1ed3m c\u00e1c m\u00f4 h\u00ecnh khuy\u1ebfch t\u00e1n v\u00e0 v\u1eadn chuy\u1ec3n kh\u1ed1i l\u01b0\u1ee3ng, qu\u00e1 tr\u00ecnh \u0111\u1ed9ng h\u1ecdc, c\u00e1c qu\u00e1 tr\u00ecnh ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc, hay qu\u00e1 tr\u00ecnh t\u01b0\u01a1ng t\u00e1c gi\u1eefa g\u1ed1c t\u1ef1 do \u0111\u01b0\u1ee3c sinh ra b\u1edfi ph\u00f3ng x\u1ea1 v\u00e0 c\u00e1c c\u00e1c i\u1ed1t ph\u00e2n t\u1eed d\u1ec5 bay h\u01a1i.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><em><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-7413\" src=\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2021\/05\/10.5.21.3.jpg\" alt=\"\" width=\"750\" height=\"410\" \/>H\u00ecnh \u1ea3nh: ph\u1ea7n m\u1ec1m <\/em><em>IRIS <\/em><em>code<\/em><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">H\u1ec7 th\u1ef1c nghi\u1ec7m ESPANA \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn \u0111\u1ec3 t\u00ednh to\u00e1n v\u00e0 ki\u1ec3m ch\u1ee9ng s\u1ef1 ph\u1ee5 thu\u1ed9c c\u1ee7a DF \u0111\u1ed1i v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 kh\u00e1c nhau c\u1ee7a h\u1ec7 b\u1eb1ng IRIS code. C\u00e1c gi\u00e1 tr\u1ecb DF \u0111\u01b0\u1ee3c t\u00ednh t\u1eeb IRIS v\u00e0 SPARC code cho th\u1ea5y, ch\u00fang kh\u00e1c nhau t\u1eeb m\u1ed9t \u0111\u1ebfn hai b\u1eadc v\u1ec1 \u0111\u1ed9 l\u1edbn, c\u1ee5 th\u1ec3 l\u00e0 gi\u00e1 tr\u1ecb DFs t\u00ednh \u0111\u01b0\u1ee3c t\u1eeb IRIS code l\u00e0 th\u1ea5p h\u01a1n so v\u1edbi SPARC code. Tuy nhi\u00ean, ch\u00fang l\u1ea1i c\u00f3 xu h\u01b0\u1edbng thay \u0111\u1ed5i gi\u1ed1ng nhau. S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch l\u00e0, IRIS code t\u00ednh to\u00e1n t\u1eadp trung \u1edf v\u00f9ng, n\u01a1i c\u00f3 s\u1ef1 khu\u1ebfch t\u00e1n c\u1ee7a i\u1ed1t ph\u00e2n t\u1eed trong c\u00e1c bong b\u00f3ng nh\u1ecf v\u00e0o pha n\u01b0\u1edbc v\u00e0 c\u00e1c ph\u1ea3n \u1ee9ng c\u1ee7a i\u1ed1t v\u1edbi n\u01b0\u1edbc v\u00e0\/ho\u1eb7c c\u00e1c s\u1ea3n ph\u1ea9m t\u1eeb n\u01b0\u1edbc chi\u1ebfu x\u1ea1 do s\u1ef1 b\u1eaft gi\u1eef iodine \u1edf v\u00f9ng n\u00e0y l\u00e0 chi\u1ebfm \u01b0u th\u1ebf, trong khi \u0111\u00f3 qu\u00e1 tr\u00ecnh n\u00e0y l\u1ea1i kh\u00f4ng \u0111\u01b0\u1ee3c t\u00ednh \u0111\u1ebfn trong SPARC code.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">\u00dd ngh\u0129a c\u1ee7a nghi\u00ean c\u1ee9u n\u00e0y l\u00e0 c\u1ea7n thi\u1ebft nh\u1eb1m d\u1ef1 \u0111o\u00e1n m\u1ee9c \u0111\u1ed9 gi\u1ea3i ph\u00f3ng i\u1ed1t trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau c\u0169ng nh\u01b0 trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00e0 n\u00f3 s\u1ebd b\u1ecb ng\u01b0ng t\u1ee5, ph\u1ea3n \u1ee9ng ho\u1eb7c t\u1ed3n t\u1ea1i \u1edf tr\u1ea1ng th\u00e1i h\u01a1i. \u0110\u1ec3 t\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0a ra nh\u1eefng ph\u00e1n \u0111o\u00e1n nh\u1eb1m h\u1ea1n ch\u1ebf s\u1ef1 ph\u00e1t t\u00e1n ph\u00f3ng x\u1ea1 i\u1ed1t ra ngo\u00e0i m\u00f4i tr\u01b0\u1eddng.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Tr\u00ean \u0111\u00e2y c\u0169ng l\u00e0 k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u trong lu\u1eadn \u00e1n ti\u1ebfn s\u1ef9 \u201cAn Evaluation of Volatile Iodine in a Pool under Severe Accident Condition\u201d c\u1ee7a TS. Nguy\u1ec5n Th\u1ecb Thanh Th\u1ee7y, nghi\u00ean c\u1ee9u vi\u00ean trung t\u00e2m N\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i Vi\u1ec7n Nguy\u00ean T\u1eed H\u1ea1t Nh\u00e2n (KAERI), H\u00e0n Qu\u1ed1c.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: right;\"><strong>TS. Nguy\u1ec5n Th\u1ecb Thanh Th\u1ee7y,\u00a0<\/strong><strong>Vi\u1ec7n Khoa h\u1ecdc v\u00e0 K\u1ef9 thu\u1eadt h\u1ea1t nh\u00e2n<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u v\u1ec1 tai n\u1ea1n nghi\u00eam tr\u1ecdng trong nh\u00e0 m\u00e1y \u0111i\u1ec7n h\u1ea1t nh\u00e2n, h\u1ea7u h\u1ebft c\u00e1c nghi\u00ean c\u1ee9u v\u1ec1 ngu\u1ed3n ph\u00f3ng x\u1ea1 \u0111\u1ec1u t\u1eadp trung v\u00e0o vi\u1ec7c \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ph\u00e1t t\u00e1n ph\u00f3ng x\u1ea1 ra ngo\u00e0i m\u00f4i tr\u01b0\u1eddng. Li\u00ean quan \u0111\u1ebfn bi\u1ec3u hi\u1ec7n c\u1ee7a iodine trong nh\u00e0 l\u00f2 ph\u1ea3n \u1ee9ng, \u1ee6y [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7413,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"class_list":["post-7411","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-hoat-dong-cua-vien"],"_links":{"self":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/7411","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/comments?post=7411"}],"version-history":[{"count":0,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/7411\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/"}],"wp:attachment":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/media?parent=7411"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/categories?post=7411"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/tags?post=7411"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}