{"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":[],"_links":{"self":[{"href":"https:\/\/saphydrogels.com\/fi\/wp-json\/wp\/v2\/posts\/1156","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/saphydrogels.com\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/saphydrogels.com\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/saphydrogels.com\/fi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/saphydrogels.com\/fi\/wp-json\/wp\/v2\/comments?post=1156"}],"version-history":[{"count":1,"href":"https:\/\/saphydrogels.com\/fi\/wp-json\/wp\/v2\/posts\/1156\/revisions"}],"predecessor-version":[{"id":7072,"href":"https:\/\/saphydrogels.com\/fi\/wp-json\/wp\/v2\/posts\/1156\/revisions\/7072"}],"wp:attachment":[{"href":"https:\/\/saphydrogels.com\/fi\/wp-json\/wp\/v2\/media?parent=1156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/saphydrogels.com\/fi\/wp-json\/wp\/v2\/categories?post=1156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/saphydrogels.com\/fi\/wp-json\/wp\/v2\/tags?post=1156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}