{"id":5014,"date":"2021-03-20T08:43:55","date_gmt":"2021-03-20T08:43:55","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=5014"},"modified":"2021-03-20T08:43:55","modified_gmt":"2021-03-20T08:43:55","slug":"how-to-remove-rust-stains-from-concrete-a-comprehensive-guide","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/materials-science\/how-to-remove-rust-stains-from-concrete-a-comprehensive-guide\/","title":{"rendered":"C\u00e1ch t\u1ea9y s\u1ea1ch v\u1ebft g\u1ec9 s\u00e9t tr\u00ean b\u00ea t\u00f4ng: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n"},"content":{"rendered":"<h2 class=\"wp-block-heading\">C\u00e1ch t\u1ea9y s\u1ea1ch v\u1ebft r\u1ec9 s\u00e9t tr\u00ean b\u00ea t\u00f4ng: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n<\/h2>\n\n<p>\u0110\u01b0\u1eddng l\u00e1i xe, l\u1ed1i \u0111i v\u00e0 t\u1ea5m b\u00ea t\u00f4ng l\u00e0 nh\u1eefng h\u1ea1ng m\u1ee5c ph\u1ed5 bi\u1ebfn \u1edf nhi\u1ec1u ng\u00f4i nh\u00e0, nh\u01b0ng ch\u00fang c\u00f3 th\u1ec3 tr\u1edf n\u00ean m\u1ea5t th\u1ea9m m\u1ef9 khi b\u1ecb r\u1ec9 s\u00e9t. May thay, vi\u1ec7c t\u1ea9y s\u1ea1ch nh\u1eefng v\u1ebft n\u00e0y l\u00e0 ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 n\u1ebfu \u00e1p d\u1ee5ng \u0111\u00fang k\u1ef9 thu\u1eadt v\u00e0 v\u1eadt li\u1ec7u. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd cung c\u1ea5p cho b\u1ea1n quy tr\u00ecnh t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 t\u1ea9y s\u1ea1ch v\u1ebft r\u1ec9 s\u00e9t kh\u1ecfi b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n\n<h3 class=\"wp-block-heading\">Hi\u1ec3u r\u00f5 nguy\u00ean nh\u00e2n g\u00e2y ra v\u1ebft r\u1ec9 s\u00e9t<\/h3>\n\n<p>V\u1ebft r\u1ec9 s\u00e9t tr\u00ean b\u00ea t\u00f4ng th\u01b0\u1eddng b\u1eaft ngu\u1ed3n t\u1eeb nhi\u1ec1u nguy\u00ean nh\u00e2n kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ed3 n\u1ed9i th\u1ea5t c\u00f3 \u0111\u1ebf b\u1eb1ng kim lo\u1ea1i<\/li>\n<li>Thanh th\u00e9p gia c\u1ed1 b\u1ecb \u0103n m\u00f2n trong b\u00ea t\u00f4ng<\/li>\n<li>R\u00f2 r\u1ec9 t\u1eeb h\u1ec7 th\u1ed1ng m\u00e1ng x\u1ed1i b\u1ecb g\u1ec9<\/li>\n<li>N\u01b0\u1edbc gi\u1ebfng c\u00f3 r\u1ec9 s\u00e9t<\/li>\n<\/ul>\n\n<p>M\u1eb7c d\u00f9 v\u1ebft r\u1ec9 s\u00e9t kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft c\u1ea5u c\u1ee7a b\u00ea t\u00f4ng nh\u01b0ng ch\u00fang c\u00f3 th\u1ec3 l\u00e0m m\u1ea5t th\u1ea9m m\u1ef9.<\/p>\n\n<h3 class=\"wp-block-heading\">V\u1eadt li\u1ec7u v\u00e0 thi\u1ebft b\u1ecb<\/h3>\n\n<p>\u0110\u1ec3 t\u1ea9y s\u1ea1ch v\u1ebft r\u1ec9 s\u00e9t tr\u00ean b\u00ea t\u00f4ng, b\u1ea1n s\u1ebd c\u1ea7n nh\u1eefng v\u1eadt d\u1ee5ng sau:<\/p>\n\n<h2 class=\"wp-block-heading\">Thi\u1ebft b\u1ecb:<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>X\u00f4<\/li>\n<li>Mi\u1ebfng b\u1ecdt bi\u1ec3n<\/li>\n<li>B\u00e0n ch\u1ea3i c\u1ee9ng s\u1ee3i nilon<\/li>\n<li>V\u00f2i ho\u1eb7c m\u00e1y r\u1eeda \u00e1p l\u1ef1c<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">V\u1eadt li\u1ec7u:<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>X\u00e0 ph\u00f2ng r\u1eeda ch\u00e9n<\/li>\n<li>N\u01b0\u1edbc c\u1ed1t chanh<\/li>\n<li>Gi\u1ea5m tr\u1eafng<\/li>\n<li>N\u01b0\u1edbc t\u1ea9y r\u1ec9 s\u00e9t chuy\u00ean d\u1ee5ng<\/li>\n<li>Tri-natri photphat (TSP)<\/li>\n<li>D\u1ea7u b\u00f4i tr\u01a1n\/ch\u1ea5t t\u1ea9y nh\u1eddn chuy\u00ean d\u1ee5ng<\/li>\n<li>Axit clohydric (<strong>C\u1ea3nh b\u00e1o: S\u1eed d\u1ee5ng h\u1ebft s\u1ee9c c\u1ea9n th\u1eadn<\/strong>)<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc<\/h3>\n\n<h2 class=\"wp-block-heading\">B\u01b0\u1edbc 1: Chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng<\/h2>\n\n<p>R\u1eeda s\u1ea1ch v\u00e0 v\u1ec7 sinh k\u1ef9 b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng \u0111\u1ec3 lo\u1ea1i b\u1ecf b\u1ee5i b\u1ea9n ho\u1eb7c m\u1ea3nh v\u1ee5n c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh t\u1ea9y r\u1ec9 s\u00e9t. Pha x\u00e0 ph\u00f2ng r\u1eeda ch\u00e9n v\u1edbi n\u01b0\u1edbc \u1ea5m trong x\u00f4 v\u00e0 d\u00f9ng mi\u1ebfng b\u1ecdt bi\u1ec3n ho\u1eb7c b\u00e0n ch\u1ea3i \u0111\u1ec3 ch\u00e0 l\u00ean b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng. R\u1eeda l\u1ea1i b\u1eb1ng v\u00f2i ho\u1eb7c m\u00e1y r\u1eeda \u00e1p l\u1ef1c, sau \u0111\u00f3 \u0111\u1ec3 kh\u00f4 ho\u00e0n to\u00e0n.<\/p>\n\n<h2 class=\"wp-block-heading\">B\u01b0\u1edbc 2: S\u1eed d\u1ee5ng dung d\u1ecbch t\u1ea9y r\u1ec9 s\u00e9t<\/h2>\n\n<p>Khi b\u00ea t\u00f4ng \u0111\u00e3 s\u1ea1ch v\u00e0 kh\u00f4, h\u00e3y s\u1eed d\u1ee5ng dung d\u1ecbch t\u1ea9y r\u1ec9 s\u00e9t ph\u00f9 h\u1ee3p d\u1ef1a tr\u00ean m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a v\u1ebft r\u1ec9:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u1ebft r\u1ec9 nh\u1eb9:<\/strong> C\u00f3 th\u1ec3 \u0111\u1ed5 tr\u1ef1c ti\u1ebfp n\u01b0\u1edbc c\u1ed1t chanh ho\u1eb7c gi\u1ea5m tr\u1eafng l\u00ean v\u1ebft r\u1ec9 v\u00e0 \u0111\u1ec3 trong 10-15 ph\u00fat tr\u01b0\u1edbc khi ch\u00e0 s\u1ea1ch.<\/li>\n<li><strong>V\u1ebft r\u1ec9 v\u1eeba:<\/strong> S\u1eed d\u1ee5ng n\u01b0\u1edbc t\u1ea9y r\u1ec9 s\u00e9t chuy\u00ean d\u1ee5ng theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/li>\n<li><strong>V\u1ebft r\u1ec9 c\u1ee9ng \u0111\u1ea7u:<\/strong> C\u00f3 th\u1ec3 d\u00f9ng dung d\u1ecbch tri-natri photphat (TSP) pha v\u1edbi n\u01b0\u1edbc n\u00f3ng thoa l\u00ean v\u1ebft r\u1ec9 trong 15-20 ph\u00fat tr\u01b0\u1edbc khi ch\u00e0 s\u1ea1ch. Ngo\u00e0i ra, c\u00f3 th\u1ec3 x\u1ecbt tr\u1ef1c ti\u1ebfp d\u1ea7u b\u00f4i tr\u01a1n\/ch\u1ea5t t\u1ea9y nh\u1eddn chuy\u00ean d\u1ee5ng l\u00ean v\u1ebft r\u1ec9 v\u00e0 \u0111\u1ec3 ng\u1ea5m v\u00e0o.<\/li>\n<li><strong>Tr\u01b0\u1eddng h\u1ee3p n\u1eb7ng:<\/strong> C\u00f3 th\u1ec3 d\u00f9ng axit clohydric (c\u00f2n g\u1ecdi l\u00e0 axit muriatic) cho nh\u1eefng v\u1ebft r\u1ec9 n\u1eb7ng. Tuy nhi\u00ean, c\u1ea7n h\u1ebft s\u1ee9c c\u1ea9n th\u1eadn v\u00ec ch\u1ea5t n\u00e0y c\u00f3 t\u00ednh \u0103n m\u00f2n.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">B\u01b0\u1edbc 3: Ch\u00e0 s\u1ea1ch b\u00ea t\u00f4ng<\/h2>\n\n<p>\u0110\u1ec3 dung d\u1ecbch t\u1ea9y r\u1ec9 s\u00e9t ng\u1ea5m v\u00e0o v\u1ebft r\u1ec9 trong th\u1eddi gian khuy\u1ebfn ngh\u1ecb tr\u01b0\u1edbc khi d\u00f9ng b\u00e0n ch\u1ea3i c\u1ee9ng s\u1ee3i nilon \u0111\u1ec3 ch\u00e0 s\u1ea1ch b\u1ec1 m\u1eb7t. Kh\u00f4ng d\u00f9ng b\u00e0n ch\u1ea3i s\u1ee3i kim lo\u1ea1i v\u00ec c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng b\u00ea t\u00f4ng. \u0110\u1ed1i v\u1edbi b\u1ec1 m\u1eb7t m\u1ecfng manh ho\u1eb7c \u0111\u00e3 s\u01a1n, h\u00e3y d\u00f9ng mi\u1ebfng b\u1ecdt bi\u1ec3n v\u00e0 n\u01b0\u1edbc \u1ea5m \u0111\u1ec3 thay th\u1ebf.<\/p>\n\n<h2 class=\"wp-block-heading\">B\u01b0\u1edbc 4: R\u1eeda s\u1ea1ch b\u00ea t\u00f4ng<\/h2>\n\n<p>R\u1eeda s\u1ea1ch b\u00ea t\u00f4ng b\u1eb1ng v\u00f2i ho\u1eb7c m\u00e1y r\u1eeda \u00e1p l\u1ef1c \u0111\u1ec3 lo\u1ea1i b\u1ecf h\u1ebft dung d\u1ecbch t\u1ea9y r\u1ec9 s\u00e9t c\u00f2n s\u00f3t l\u1ea1i. N\u1ebfu v\u1ebft r\u1ec9 v\u1eabn c\u00f2n, h\u00e3y d\u00f9ng l\u1ea1i dung d\u1ecbch ho\u1eb7c c\u00e2n nh\u1eafc d\u00f9ng lo\u1ea1i n\u01b0\u1edbc t\u1ea9y r\u1ec9 s\u00e9t m\u1ea1nh h\u01a1n.<\/p>\n\n<h3 class=\"wp-block-heading\">M\u1eb9o ph\u00f2ng ng\u1eeba<\/h3>\n\n<p>\u0110\u1ec3 gi\u1ea3m thi\u1ec3u nguy c\u01a1 xu\u1ea5t hi\u1ec7n v\u1ebft r\u1ec9 s\u00e9t trong t\u01b0\u01a1ng lai, h\u00e3y c\u00e2n nh\u1eafc c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba sau:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Tr\u00e1m tr\u00e9t b\u00ea t\u00f4ng sau m\u1ed7i 2-3 n\u0103m \u0111\u1ec3 ng\u0103n ng\u1eeba \u0111\u1ed9 \u1ea9m th\u1ea5m v\u00e0o.<\/li>\n<li>\u0110\u1eb7t th\u1ea3m ho\u1eb7c chi\u1ebfu ngo\u00e0i tr\u1eddi d\u01b0\u1edbi \u0111\u1ed3 n\u1ed9i th\u1ea5t c\u00f3 \u0111\u1ebf b\u1eb1ng kim lo\u1ea1i.<\/li>\n<li>Ki\u1ec3m tra h\u1ec7 th\u1ed1ng m\u00e1ng x\u1ed1i xem c\u00f3 b\u1ecb r\u00f2 r\u1ec9 kh\u00f4ng v\u00e0 s\u1eeda ch\u1eefa khi c\u1ea7n thi\u1ebft.<\/li>\n<li>L\u1eafp \u0111\u1eb7t thanh th\u00e9p gia c\u1ed1 kh\u00f4ng b\u1ecb \u0103n m\u00f2n khi \u0111\u1ed5 b\u00ea t\u00f4ng m\u1edbi.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h3>\n\n<h2 class=\"wp-block-heading\">H: C\u00f3 th\u1ec3 d\u00f9ng thu\u1ed1c t\u1ea9y \u0111\u1ec3 t\u1ea9y s\u1ea1ch v\u1ebft r\u1ec9 s\u00e9t tr\u00ean b\u00ea t\u00f4ng kh\u00f4ng?<\/h2>\n\n<p>\u0110: Kh\u00f4ng, thu\u1ed1c t\u1ea9y kh\u00f4ng hi\u1ec7u qu\u1ea3 \u0111\u1ed1i v\u1edbi v\u1ebft r\u1ec9 s\u00e9t, th\u1eadm ch\u00ed c\u00f2n c\u00f3 th\u1ec3 l\u00e0m t\u00ecnh tr\u1ea1ng t\u1ec7 h\u01a1n.<\/p>\n\n<h2 class=\"wp-block-heading\">H: C\u00f3 th\u1ec3 s\u01a1n \u0111\u00e8 l\u00ean v\u1ebft r\u1ec9 s\u00e9t kh\u00f4ng?<\/h2>\n\n<p>\u0110: N\u00ean t\u1ea9y s\u1ea1ch v\u1ebft r\u1ec9 s\u00e9t tr\u01b0\u1edbc khi s\u01a1n v\u00ec s\u01a1n c\u00f3 th\u1ec3 kh\u00f4ng b\u00e1m d\u00ednh t\u1ed1t tr\u00ean b\u1ec1 m\u1eb7t b\u1ecb g\u1ec9.<\/p>\n\n<h2 class=\"wp-block-heading\">H: C\u00f3 an to\u00e0n khi d\u00f9ng m\u00e1y r\u1eeda \u00e1p l\u1ef1c \u0111\u1ec3 t\u1ea9y s\u1ea1ch v\u1ebft r\u1ec9 s\u00e9t tr\u00ean b\u00ea t\u00f4ng kh\u00f4ng?<\/h2>\n\n<p>\u0110: C\u00f3, m\u00e1y r\u1eeda \u00e1p l\u1ef1c c\u00f3 th\u1ec3 hi\u1ec7u qu\u1ea3, nh\u01b0ng h\u00e3y s\u1eed d\u1ee5ng lo\u1ea1i v\u00f2i phun ph\u00f9 h\u1ee3p \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u1ecfng b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng.<\/p>\n\n<h2 class=\"wp-block-heading\">H: C\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 t\u1ea9y s\u1ea1ch v\u1ebft r\u1ec9 s\u00e9t tr\u00ean \u0111\u01b0\u1eddng l\u00e1i xe b\u1eb1ng b\u00ea t\u00f4ng l\u00e0 g\u00ec?<\/h2>\n\n<p>\u0110: H\u00e3y l\u00e0m theo c\u00e1c b\u01b0\u1edbc \u0111\u01b0\u1ee3c n\u00eau trong h\u01b0\u1edbng d\u1eabn n\u00e0y v\u00e0 d\u00f9ng lo\u1ea1i n\u01b0\u1edbc t\u1ea9y r\u1ec9 s\u00e9t chuy\u00ean d\u1ee5ng cho nh\u1eefng v\u1ebft r\u1ec9 c\u1ee9ng \u0111\u1ea7u. C\u00e2n nh\u1eafc d\u00f9ng m\u00e1y r\u1eeda \u00e1p l\u1ef1c \u0111\u1ec3 t\u0103ng hi\u1ec7u qu\u1ea3 v\u1ec7 sinh.<\/p>\n\n<h2 class=\"wp-block-heading\">H: L\u00e0m sao \u0111\u1ec3 ng\u0103n ng\u1eeba v\u1ebft r\u1ec9 s\u00e9t xu\u1ea5t hi\u1ec7n tr\u1edf l\u1ea1i tr\u00ean b\u00ea t\u00f4ng?<\/h2>\n\n<p>\u0110: Tr\u00e1m tr\u00e9t th\u01b0\u1eddng xuy\u00ean, s\u1eed d\u1ee5ng th\u1ea3m ngo\u00e0i tr\u1eddi v\u00e0 b\u1ea3o d\u01b0\u1ee1ng h\u1ec7 th\u1ed1ng m\u00e1ng x\u1ed1i c\u00f3 th\u1ec3 gi\u00fap ng\u0103n ng\u1eeba v\u1ebft r\u1ec9 s\u00e9t trong t\u01b0\u01a1ng lai.<\/p>","protected":false},"excerpt":{"rendered":"<p>C\u00e1ch t\u1ea9y s\u1ea1ch v\u1ebft r\u1ec9 s\u00e9t tr\u00ean b\u00ea t\u00f4ng: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n \u0110\u01b0\u1eddng l\u00e1i xe, l\u1ed1i \u0111i v\u00e0 t\u1ea5m b\u00ea t\u00f4ng l\u00e0 nh\u1eefng h\u1ea1ng m\u1ee5c ph\u1ed5 bi\u1ebfn \u1edf nhi\u1ec1u&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3681],"tags":[8820,8961,8962],"class_list":["post-5014","post","type-post","status-publish","format-standard","hentry","category-materials-science","tag-home-improvement","tag-concrete-care","tag-rust-removal"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/5014","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=5014"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/5014\/revisions"}],"predecessor-version":[{"id":5015,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/5014\/revisions\/5015"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=5014"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=5014"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=5014"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}