{"id":867,"date":"2020-11-14T07:00:00","date_gmt":"2020-11-14T06:00:00","guid":{"rendered":"https:\/\/pengarnaspris.wordpress.com\/?p=867"},"modified":"2020-11-14T07:00:00","modified_gmt":"2020-11-14T06:00:00","slug":"kan-slamspridning-vara-en-form-av-kretslopp","status":"publish","type":"post","link":"https:\/\/semla.info\/wordpress\/2020\/11\/14\/kan-slamspridning-vara-en-form-av-kretslopp\/","title":{"rendered":"Kan slamspridning vara en form av kretslopp?"},"content":{"rendered":"\n<p>    Replik p\u00e5 notisen <em>\u201dNy rapport om kretslopp p\u00e5 \u00e5kermark\u201d<\/em> i Milj\u00f6magasinet nr 44, av Lena Jarl\u00f6v och Gunnar Lindgren.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"603\" height=\"407\" data-attachment-id=\"873\" data-permalink=\"https:\/\/semla.info\/wordpress\/slmsprid-clip\/\" data-orig-file=\"https:\/\/i0.wp.com\/semla.info\/wordpress\/wp-content\/uploads\/2020\/11\/slmsprid-clip.jpg?fit=603%2C407&amp;ssl=1\" data-orig-size=\"603,407\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;dagfinn hotvedt&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1605196721&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"slmsprid-clip\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/semla.info\/wordpress\/wp-content\/uploads\/2020\/11\/slmsprid-clip.jpg?fit=603%2C407&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/semla.info\/wordpress\/wp-content\/uploads\/2020\/11\/slmsprid-clip.jpg?resize=603%2C407&#038;ssl=1\" alt=\"\" class=\"wp-image-873\" srcset=\"https:\/\/i0.wp.com\/semla.info\/wordpress\/wp-content\/uploads\/2020\/11\/slmsprid-clip.jpg?w=603&amp;ssl=1 603w, https:\/\/i0.wp.com\/semla.info\/wordpress\/wp-content\/uploads\/2020\/11\/slmsprid-clip.jpg?resize=300%2C202&amp;ssl=1 300w\" sizes=\"(max-width: 603px) 100vw, 603px\" \/><figcaption><strong>slamsprid-clip.jpg<\/strong><\/figcaption><\/figure><\/div>\n\n\n\n<p><br>    I en notis om avloppsslam p\u00e5 \u00e5kermark i Milj\u00f6magasinet nr 44 citeras ett pressmeddelande fr\u00e5n Svenskt Vatten. D\u00e4r p\u00e5st\u00e5s slamspridningen vara en form av \u201dkretslopp\u201d. Detta \u00e4r djupt felaktigt.<br>    Om man j\u00e4mf\u00f6r den m\u00e4ngd metaller som m\u00e4nniskan l\u00e4mnar till WC-stolarna och avloppsreningsverken \u00e4r denna del mycket liten i f\u00f6rh\u00e5llande till inneh\u00e5llet i slammet.<br>Om vi utg\u00e5r fr\u00e5n det dagliga intaget av tio vanliga metaller och j\u00e4mf\u00f6r detta med inneh\u00e5llet i slam visar det sig att slammet inneh\u00e5ller ca 2000 g\u00e5nger mer metaller \u00e4n den lilla del som kommer fr\u00e5n m\u00e4nniskan med maten och fr\u00e5n \u00e5kern. Detta leder till en successiv \u00f6kning av m\u00e4ngden metaller i v\u00e5r \u00e5kermark. <br>    Den stora delen av metallerna i slammet kommer fr\u00e5n en l\u00e5ng rad av avlopp som Svenskt Vatten till\u00e5ter att man blandar in bland avlopp fr\u00e5n WC-stolar. Till exempel en stor m\u00e4ngd industrier, verkst\u00e4der, sjukhus, dagvatten fr\u00e5n gatorna och bilarna och s\u00e5 vidare.<br>    Vid behandlingen av avloppsvattnet anv\u00e4nder Svenskt Vatten och reningsverken sj\u00e4lva en stor m\u00e4ngd metaller som hamnar i slammet. <br>    Svenskt Vatten n\u00e4mner att mikroplaster finns i \u00e5kerjord. Men v\u00e5ra reningsverk tillf\u00f6r sj\u00e4lva, p\u00e5 samma s\u00e4tt som man g\u00f6r med metaller, stora m\u00e4ngder plast till slammet och \u00e5kern. Avloppsreningsverket Ryaverket i G\u00f6teborg tillf\u00f6rde 100-tals ton plast (amid\/aminoakrylat, kopolymer) till slammet under 2019.<br>    Det finns ocks\u00e5 i slammet, \u00e4ven det certifierade, ett mycket stort antal riskabla och milj\u00f6farliga \u00e4mnen som inte unders\u00f6ls eller m\u00e4ts. Svenskt Vatten har ett stort intresse att d\u00f6lja dessa fakta inf\u00f6r beslutet om ett slamf\u00f6rbud, som nu ligger p\u00e5 Riksdagens bord.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Replik p\u00e5 notisen \u201dNy rapport om kretslopp p\u00e5 \u00e5kermark\u201d i Milj\u00f6magasinet nr 44, av Lena Jarl\u00f6v och Gunnar Lindgren. I en notis om avloppsslam p\u00e5 \u00e5kermark i Milj\u00f6magasinet nr 44 citeras ett pressmeddelande fr\u00e5n&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[16],"tags":[],"class_list":["post-867","post","type-post","status-publish","format-standard","hentry","category-blogg"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p9Q3iH-dZ","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/semla.info\/wordpress\/wp-json\/wp\/v2\/posts\/867","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/semla.info\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/semla.info\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/semla.info\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/semla.info\/wordpress\/wp-json\/wp\/v2\/comments?post=867"}],"version-history":[{"count":0,"href":"https:\/\/semla.info\/wordpress\/wp-json\/wp\/v2\/posts\/867\/revisions"}],"wp:attachment":[{"href":"https:\/\/semla.info\/wordpress\/wp-json\/wp\/v2\/media?parent=867"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/semla.info\/wordpress\/wp-json\/wp\/v2\/categories?post=867"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/semla.info\/wordpress\/wp-json\/wp\/v2\/tags?post=867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}