{"id":1156,"date":"2026-05-09T05:31:06","date_gmt":"2026-05-09T05:31:06","guid":{"rendered":"https:\/\/saphydrogels.com\/?p=1156"},"modified":"2026-05-10T02:53:35","modified_gmt":"2026-05-10T02:53:35","slug":"how-are-liquid-wastes-treated-at-a-wastewater-treatment-plant","status":"publish","type":"post","link":"https:\/\/saphydrogels.com\/fi\/how-are-liquid-wastes-treated-at-a-wastewater-treatment-plant\/","title":{"rendered":"Miten nestem\u00e4isi\u00e4 j\u00e4tteit\u00e4 k\u00e4sitell\u00e4\u00e4n j\u00e4tevedenpuhdistamossa?"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><a href=\"https:\/\/saphydrogels.com\/fi\/natriumpolyakrylaatti-geelijaapakkauksissa\/\" target=\"_blank\" rel=\"noopener\" title=\"\">Nestem\u00e4inen j\u00e4te<\/a>, joka tunnetaan my\u00f6s nimell\u00e4 j\u00e4tevesi, k\u00e4y l\u00e4pi useita k\u00e4sittelyvaiheita j\u00e4tevedenpuhdistamoissa ep\u00e4puhtauksien poistamiseksi ja veden p\u00e4\u00e4st\u00e4miseksi turvallisesti takaisin ymp\u00e4rist\u00f6\u00f6n. Seuraavassa on yleiskatsaus tyypillisiin prosesseihin:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/05\/Sludge-treatment1-1024x768.jpg\" alt=\"Lietteen k\u00e4sittely\" class=\"wp-image-1157\" style=\"width:500px;height:auto\"\/><figcaption class=\"wp-element-caption\">Lietteen k\u00e4sittely<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Seulonta:<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"> Fyysinen seulonta sauvaseulalla tai rumpuseulalla poistaa j\u00e4tevedest\u00e4 suuret esineet, kuten kepit, kivet ja muovit.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ensisijainen hoito:<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">J\u00e4tevesi tulee laskeutusaltaaseen, jossa raskaammat kiintoaineet laskeutuvat pohjalle lietteeksi, kun taas \u00f6ljy ja rasva nousevat pintaan ja kuoritaan pois. T\u00e4m\u00e4 prosessi v\u00e4hent\u00e4\u00e4 kiintoaineen ja orgaanisen aineksen m\u00e4\u00e4r\u00e4\u00e4 vedess\u00e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Toissijainen k\u00e4sittely (biologinen k\u00e4sittely):<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vesi tulee ilmastusaltaaseen, ja mikro-organismit hajottavat vedess\u00e4 olevat orgaaniset j\u00e4\u00e4m\u00e4t. T\u00e4m\u00e4 biologinen prosessi muuttaa ep\u00e4puhtaudet vaarattomiksi sivutuotteiksi, kuten hiilidioksidiksi, vedeksi ja uusiksi mikro-organismeiksi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Terti\u00e4\u00e4rinen hoito: <\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e4m\u00e4 vaihe on valinnainen, mutta sit\u00e4 k\u00e4ytet\u00e4\u00e4n usein veden lis\u00e4puhdistamiseen. Suodatuksen (esim. hiekka, aktiivihiili) ja kemiallisten k\u00e4sittelyjen (esim. klooraus, UV-desinfiointi) kaltaisia tekniikoita k\u00e4ytet\u00e4\u00e4n j\u00e4ljell\u00e4 olevien ep\u00e4puhtauksien, taudinaiheuttajien ja ep\u00e4puhtauksien poistamiseen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Lietteen k\u00e4sittely: <\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Esik\u00e4sittely- ja j\u00e4lkik\u00e4sittelyvaiheissa ker\u00e4tty liete jatkok\u00e4sitell\u00e4\u00e4n. Anaerobiset bakteerit voivat m\u00e4d\u00e4tt\u00e4\u00e4 sit\u00e4 ja tuottaa biokaasua (metaania ja hiilidioksidia), jota voidaan k\u00e4ytt\u00e4\u00e4 energial\u00e4hteen\u00e4. J\u00e4ljelle j\u00e4\u00e4v\u00e4 liete voidaan kuivata <a href=\"https:\/\/saphydrogels.com\/fi\/erittain-imukykyinen-polymeeri-2\/\" target=\"_blank\" rel=\"noopener\" title=\"\">imukykyiset polymeerimateriaalit<\/a> ja sijoitetaan kaatopaikoille j\u00e4teveden k\u00e4sittelykustannusten v\u00e4hent\u00e4miseksi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vastuuvapaus: <\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">K\u00e4sitelty vesi, joka t\u00e4ytt\u00e4\u00e4 nyt turvallisen h\u00e4vitt\u00e4misen edellytt\u00e4m\u00e4t viranomaisstandardit, johdetaan vesist\u00f6ihin, kuten jokiin tai valtameriin. Jotkin laitokset voivat my\u00f6s k\u00e4ytt\u00e4\u00e4 puhdistettua vett\u00e4 uudelleen muihin kuin juomak\u00e4ytt\u00f6\u00f6n tarkoitettuihin tarkoituksiin, kuten kasteluun.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e4iden prosessien aikana j\u00e4tevedenpuhdistamot seuraavat ja hallitsevat my\u00f6s pH:n, l\u00e4mp\u00f6tilan ja ravinnepitoisuuksien kaltaisia tekij\u00f6it\u00e4 optimaalisen k\u00e4sittelyn tehokkuuden ja ymp\u00e4rist\u00f6n turvallisuuden varmistamiseksi.<\/p>","protected":false},"excerpt":{"rendered":"<p>Liquid waste, also known as wastewater, goes through multiple stages of treatment at wastewater treatment plants to remove contaminants and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"site-sidebar-layout":"right-sidebar","site-content-layout":"","ast-site-content-layout":"normal-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[183],"class_list":["post-1156","post","type-post","status-publish","format-standard","hentry","category-blog","tag-wastes-treated"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Liquid waste, also known as wastewater, goes through multiple stages of treatment at wastewater treatment plants to remove contaminants and allow the water to be safely released back into the environment. 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