{"id":2049,"date":"2020-03-10T16:29:53","date_gmt":"2020-03-10T16:29:53","guid":{"rendered":"http:\/\/www.thesixei.com\/?p=2049"},"modified":"2020-03-13T00:26:24","modified_gmt":"2020-03-13T00:26:24","slug":"ban-giao-he-thong-xu-ly-nuoc-thai-sinh-hoat-500m3ngay-dem","status":"publish","type":"post","link":"https:\/\/www.thesixei.com\/en\/ban-giao-he-thong-xu-ly-nuoc-thai-sinh-hoat-500m3ngay-dem\/","title":{"rendered":"B\u00e0n giao h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t 500m3\/ng\u00e0y.\u0111\u00eam"},"content":{"rendered":"

Tu\u1ea7n \u0111\u1ea7u th\u00e1ng 03-2020, Sixei ti\u1ebfn h\u00e0nh \u0111\u00e0o t\u1ea1o v\u1eadn h\u00e0nh v\u00e0 chuy\u1ec3n giao c\u00f4ng ngh\u1ec7 cho \u0111\u1ea1i di\u1ec7n Ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 Ban qu\u1ea3n l\u00fd chung c\u01b0.<\/p>\n

C\u00f4ng t\u00e1c \u0111\u00e0o t\u1ea1o b\u1eaft \u0111\u1ea7u t\u1eeb Ki\u1ebfn th\u1ee9c n\u1ec1n – Quy tr\u00ecnh c\u00f4ng ngh\u1ec7 – Th\u00f4ng s\u1ed1 v\u1eadn h\u00e0nh k\u1ebft h\u1ee3p v\u1edbi thao t\u00e1c th\u1ef1c t\u1ebf \u0111\u1ec3 chuy\u1ec3n giao to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng cho Ch\u1ee7 \u0111\u1ea7u t\u01b0.<\/p>\n

– F\/M<\/strong><\/p>\n

T\u1ef7 l\u1ec7 F\/M<\/strong>\u00a0l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Food to Microorganism –\u00a0l\u00e0 th\u1ef1c ph\u1ea9m cung c\u1ea5p cho vi khu\u1ea9n. Hay n\u00f3i c\u00e1ch kh\u00e1c, t\u1ef7 l\u1ec7 F\/M l\u00e0 m\u1ed9t bi\u1ec7n ph\u00e1p cung c\u1ea5p th\u1ee9c \u0103n cho vi khu\u1ea9n trong quy tr\u00ecnh b\u00f9n ho\u1ea1t t\u00ednh v\u00e0 c\u00e1c vi sinh trong c\u00e1c b\u1ec3 hi\u1ebfu kh\u00ed. M\u1ed7i quy tr\u00ecnh b\u00f9n ho\u1ea1t t\u00ednh c\u00f3 m\u1ed9t chu\u1ed7i t\u1ef7 l\u1ec7 c\u00e1c gi\u00e1 tr\u1ecb F\/M t\u1ea1i th\u1eddi \u0111i\u1ec3m b\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t.<\/p>\n

L\u01b0\u1ee3ng th\u1ee9c \u0103n (F) \u0111\u01b0a v\u00e0o trong quy tr\u00ecnh b\u00f9n ho\u1ea1t t\u00ednh l\u00e0 t\u1ea3i tr\u1ecdng c\u1ee7a BOD \u0111\u01b0\u1ee3c x\u1ea3 th\u1ea3i v\u00e0o c\u00e1c b\u1ec3 hi\u1ebfu kh\u00ed.<\/p>\n

L\u01b0\u1ee3ng vi khu\u1ea9n (M) c\u00f3 trong quy tr\u00ecnh b\u00f9n ho\u1ea1t t\u00ednh bao g\u1ed3m kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng h\u00f2a tan d\u1ec5 bay h\u01a1i (MLVSS) \u1edf c\u00e1c b\u1ec3 hi\u1ebfu kh\u00ed \u0111ang ho\u1ea1t \u0111\u1ed9ng.<\/p>\n

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

– SV (<\/strong>Sludge Volume ) l\u00e0 th\u1ec3 t\u00edch b\u00f9n l\u1eafng trong 30 ph\u00fat (c\u00f2n g\u1ecdi l\u00e0 SV30) \u2013 thi\u1ebft b\u1ecb \u0111o l\u00e0 n\u00f3n imhoff<\/p>\n

– SVI <\/strong><\/p>\n

SVI l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Sludge Volume Index – c\u00f3 ngh\u0129a l\u00e0 ch\u1ec9 s\u1ed1 th\u1ec3 t\u00edch b\u00f9n, th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0111o \u0111\u1eb7c t\u00ednh b\u00f9n l\u1eafng (\u0111\u01a1n v\u1ecb t\u00ednh l\u00e0 milliliters\/gram) trong h\u1ed7n h\u1ee3p b\u00f9n v\u00e0 n\u01b0\u1edbc ho\u1eb7c b\u00f9n ho\u1ea1t t\u00ednh.<\/p>\n

Th\u1ec3 t\u00edch 1L c\u1ee7a ch\u1ea5t r\u1eafn h\u1ed7n h\u1ee3p \u0111\u1ec3 l\u1eafng 30 ph\u00fat trong m\u1ed9t b\u00ecnh \u1ed1ng tr\u1ee5 c\u00f3 dung t\u00edch 1L ti\u00eau bi\u1ec3u \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh SVI. Th\u1ec3 t\u00edch ch\u1ea5t r\u1eafn sau l\u1eafng (milliter) chia cho n\u1ed3ng \u0111\u1ed9 ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng c\u1ee7a h\u1ed7n h\u1ee3p (t\u00ednh b\u1eb1ng g\/L) \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c SVI.<\/p>\n

C\u00f4ng th\u1ee9c t\u00ednh nh\u01b0 sau:<\/p>\n

SVI (mL\/g) = Th\u1ec3 t\u00edch ch\u1ea5t r\u1eafn (mL) \u0111\u1ec3 l\u1eafng sau 30 ph\u00fat \/ N\u1ed3ng \u0111\u1ed9 ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng c\u1ee7a h\u1ed7n h\u1ee3p (g\/L)<\/em><\/p>\n

– MLSS<\/strong><\/p>\n

MLSS (Mixed Liquoz Suspended Solids) c\u00f3 ngh\u0129a l\u00e0 h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng trong b\u00f9n l\u1ecfng hay ch\u00ednh l\u00e0 n\u1ed3ng \u0111\u1ed9 ch\u1ea5t r\u1eafn c\u00f3 trong b\u1ec3 b\u00f9n ho\u1ea1t t\u00ednh. MLSS \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 l\u01b0\u1ee3ng c\u1eb7n l\u1eafng \u0111\u01b0\u1ee3c trong b\u1ec3 \u1edf m\u00f4i tr\u01b0\u1eddng t\u0129nh v\u00e0o m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh. Ph\u1ea7n MLSS l\u1eafng \u0111\u1ecdng l\u1ea1i n\u00e0y bao g\u1ed3m c\u1ea3 ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 ch\u1ea5t v\u00f4 c\u01a1.<\/p>\n

– DO l\u00e0 <\/strong>l\u01b0\u1ee3ng oxy ho\u00e0 tan trong n\u01b0\u1edbc c\u1ea7n thi\u1ebft cho s\u1ef1 h\u00f4 h\u1ea5p c\u1ee7a c\u00e1c sinh v\u1eadt n\u01b0\u1edbc (c\u00e1, l\u01b0\u1ee1ng th\u00ea, thu\u1ef7 sinh, c\u00f4n tr\u00f9ng v.v…) th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u1ea1o ra\u00a0do\u00a0s\u1ef1 ho\u00e0 tan t\u1eeb kh\u00ed quy\u1ec3n ho\u1eb7c\u00a0do\u00a0quang h\u1ee3p c\u1ee7a t\u1ea3o<\/p>\n

– pH cho vi sinh ph\u00e1t tri\u1ec3n:<\/strong><\/p>\n

\u0110\u1ed9 pH ph\u00f9 h\u1ee3p n\u00ean l\u00e0 gi\u1eefa 6.5 \u2013 8.5 \u0111\u1ec3 tr\u00e1nh \u00e1p l\u1ef1c l\u00ean c\u00e1c vi sinh khu\u1ea9n, v\u00e0 l\u00e0m cho ph\u1ea3n \u1ee9ng sinh h\u1ecdc \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u.<\/p>\n

– Qu\u00e1 tr\u00ecnh Nitrat h\u00f3a:<\/strong><\/p>\n

Qu\u00e1 tr\u00ecnh nitrat h\u00f3a l\u00e0 qu\u00e1 tr\u00ecnh oxy h\u00f3a sinh h\u00f3a nit\u01a1 c\u1ee7a c\u00e1c mu\u1ed1i amon \u0111\u1ea7u ti\u00ean th\u00e0nh nitrit v\u00e0 sau \u0111\u00f3 th\u00e0nh nitrat trong \u0111i\u1ec1u ki\u1ec7n th\u00edch \u1ee9ng<\/p>\n

Trong \u0111i\u1ec1u ki\u1ec7n hi\u1ebfu kh\u00ed, NH4<\/sub>+ s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh NO3<\/sub>– nh\u1edd c\u00e1c vi khu\u1ea9n t\u1ef1 d\u01b0\u1ee1ng (s\u1eed d\u1ee5ng carbon t\u1eeb ch\u1ea5t v\u00f4 c\u01a1) Nitrosomonas v\u00e0 Nitrobacter:<\/p>\n

NH4<\/sub>+<\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0 +\u00a0\u00a0\u00a0\u00a0\u00a0 1,5O2<\/sub>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 Nitrosomonas<\/sup>\u00a0\u00a0 \u00a0\u00a0 NO2<\/sub>–<\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0 +\u00a0\u00a0\u00a0\u00a0\u00a0 H2<\/sub>O\u00a0\u00a0\u00a0\u00a0\u00a0 +\u00a0\u00a0\u00a0\u00a0\u00a0 2H+<\/sup><\/p>\n

NO2<\/sub>–<\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0 +\u00a0\u00a0\u00a0\u00a0\u00a0 O2<\/sub>\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 Nitrobacter<\/sup>\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0NO3<\/sub>–<\/sup><\/p>\n

– Qu\u00e1 tr\u00ecnh kh\u1eed Nitrat h\u00f3a:<\/strong><\/p>\n

Qu\u00e1 tr\u00ecnh kh\u1eed nitrat l\u00e0 qu\u00e1 tr\u00ecnh t\u00e1ch oxy kh\u1ecfi nitrit, nitrat d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a c\u00e1c vi khu\u1ea9n y\u1ebfm kh\u00ed (vi khu\u1ea9n kh\u1eed nitrat).<\/p>\n

Qu\u00e1 tr\u00ecnh chuy\u1ec3n NO3- \u00ae NO2- \u00ae NO \u00ae N2 v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng metanol l\u00e0m ngu\u1ed3n cacbon \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh sau:<\/p>\n

Kh\u1eed nitrat<\/em><\/p>\n

NO3<\/sub>–<\/sup>\u00a0 +\u00a0 1,08CH3<\/sub>OH\u00a0 +\u00a0 H+<\/sup>\u00a0\u00a0 <\/sub>\u00ae\u00a0\u00a0 0,65C5<\/sub>H7<\/sub>O2<\/sub>N\u00a0 +\u00a0 0,47N2<\/sub>\u00a0 +\u00a0 0,76CO2<\/sub>\u00a0 +\u00a0 2,44H2<\/sub>O<\/p>\n

Kh\u1eed nitrit<\/em><\/p>\n

NO2<\/sub>–<\/sup>\u00a0 +\u00a0 0,67CH3<\/sub>OH\u00a0 +\u00a0 H+<\/sup>\u00a0\u00a0 <\/sub>\u00ae\u00a0\u00a0 0,04C5<\/sub>H7<\/sub>O2<\/sub>N\u00a0 +\u00a0 0,48N2<\/sub>\u00a0 +\u00a0 0,47CO2<\/sub>\u00a0 +\u00a0 1,74H2<\/sub>O<\/p>\n

– Gi\u00e1 th\u1ec3 vi sinh l\u00e0 g\u00ec:<\/strong><\/p>\n

Gi\u00e1 th\u1ec3 vi sinh ( \u0111\u1ec7m vi sinh ) l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c b\u1ed5 sung v\u00e0o qu\u00e1 tr\u00ecnh x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p sinh h\u1ecdc \u0111\u1ec3 t\u0103ng di\u1ec7n d\u00edch ti\u1ebfp x\u00fac gi\u1eefa vi sinh v\u00e0 n\u01b0\u1edbc th\u1ea3i. T\u1eeb \u0111\u00f3 gia t\u0103ng sinh kh\u1ed1i l\u00e0m qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y sinh h\u1ecdc di\u1ec5n ra nhanh ch\u00f3ng v\u1edbi hi\u1ec7u su\u1ea5t x\u1eed l\u00fd cao.<\/p>\n

\"z1765513641472_6ade215e4b99ba207d54d50fac00cae8\"<\/a><\/p>\n

\"z1765513638463_b70a7a05b1b7f3a4b078fed59f08bbfc\"<\/a><\/p>\n

\"16029246491ab244eb0b\"<\/a><\/p>\n

\"TRAINING\"<\/a><\/p>\n

 <\/p>\n

\"427a63730a7af124a86b\"<\/a><\/p>\n

\"e11e0014691d9243cb0c\"<\/a><\/p>\n

\"e8e44ded24e4dfba86f5\"<\/a><\/p>\n

 <\/p>\n

\"9bc3c6c8afc1549f0dd0\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Tu\u1ea7n \u0111\u1ea7u th\u00e1ng 03-2020, Sixei ti\u1ebfn h\u00e0nh \u0111\u00e0o t\u1ea1o v\u1eadn h\u00e0nh v\u00e0 chuy\u1ec3n giao c\u00f4ng ngh\u1ec7 cho \u0111\u1ea1i di\u1ec7n Ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 Ban qu\u1ea3n l\u00fd chung c\u01b0. C\u00f4ng t\u00e1c \u0111\u00e0o t\u1ea1o b\u1eaft \u0111\u1ea7u t\u1eeb Ki\u1ebfn th\u1ee9c n\u1ec1n – Quy tr\u00ecnh c\u00f4ng ngh\u1ec7 – Th\u00f4ng s\u1ed1 v\u1eadn h\u00e0nh k\u1ebft h\u1ee3p v\u1edbi thao t\u00e1c th\u1ef1c t\u1ebf […]<\/p>\n","protected":false},"author":1,"featured_media":2058,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,13,1],"tags":[],"class_list":["post-2049","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nuoc-thai-do-thi","category-tin-tuc-cong-ty","category-uncategorized"],"translation":{"provider":"WPGlobus","version":"3.0.0","language":"en","enabled_languages":["vi","en"],"languages":{"vi":{"title":true,"content":true,"excerpt":false},"en":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/www.thesixei.com\/en\/wp-json\/wp\/v2\/posts\/2049"}],"collection":[{"href":"https:\/\/www.thesixei.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.thesixei.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.thesixei.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.thesixei.com\/en\/wp-json\/wp\/v2\/comments?post=2049"}],"version-history":[{"count":7,"href":"https:\/\/www.thesixei.com\/en\/wp-json\/wp\/v2\/posts\/2049\/revisions"}],"predecessor-version":[{"id":2071,"href":"https:\/\/www.thesixei.com\/en\/wp-json\/wp\/v2\/posts\/2049\/revisions\/2071"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.thesixei.com\/en\/wp-json\/wp\/v2\/media\/2058"}],"wp:attachment":[{"href":"https:\/\/www.thesixei.com\/en\/wp-json\/wp\/v2\/media?parent=2049"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thesixei.com\/en\/wp-json\/wp\/v2\/categories?post=2049"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thesixei.com\/en\/wp-json\/wp\/v2\/tags?post=2049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}