{"id":3392,"date":"2026-02-20T13:19:14","date_gmt":"2026-02-20T12:19:14","guid":{"rendered":"https:\/\/janisch-schulz.com\/ntv\/"},"modified":"2026-02-26T13:48:45","modified_gmt":"2026-02-26T12:48:45","slug":"development","status":"publish","type":"post","link":"https:\/\/janisch-schulz.com\/en\/development\/","title":{"rendered":"Wetlands: Only a solution for farmers and developing countries? \u2013 Not at all."},"content":{"rendered":"<div  class='flex_column av-74esnr-5cf7bd65e938da5602e4c63006b2bbd8 av_one_fourth  avia-builder-el-0  el_before_av_three_fourth  avia-builder-el-first  first flex_column_div  '     ><\/div>\n<div  class='flex_column av-5cpmnb-4a4d7930c19fab142c06187486b667dc av_three_fourth  avia-builder-el-1  el_after_av_one_fourth  avia-builder-el-last  flex_column_div  '     ><section  class='av_textblock_section av-4uhrjb-8c14e5fe68b1ecdf9170b01f1ff882dd '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2>Wetlands: Only a solution for farmers and developing countries? \u2013 Not at all.<\/h2>\n<h2 dir=\"ltr\"><\/h2>\n<div id=\"attachments-carousel_s5ZR8wp8xIbaSUTqNV36\" class=\"carousel slide cmb-10\" data-mdb-interval=\"false\" data-mdb-ride=\"carousel\" data-unn-component=\"global.attachments-carousel\" data-unn-component-instance-id=\"s5ZR8wp8xIbaSUTqNV36\">\n<div class=\"carousel-inner\">\n<figure class=\"mb-0\">\n<div class=\"position-relative overflow-hidden ar-16-10\" data-unn-component=\"global.image\" data-unn-component-instance-id=\"0nRUqPQLMePinuQSRUiS\"><picture><source srcset=\"https:\/\/cdn.pressebox.de\/r\/d1d21108f0a91bec\/attachments\/14\/80\/68\/thumbnail_1480686_746x466.webp\" type=\"image\/webp\" \/><source srcset=\"https:\/\/cdn.pressebox.de\/r\/af865786bb0fe4ca\/attachments\/14\/80\/68\/thumbnail_1480686_746x466.jpg\" type=\"image\/jpeg\" \/><\/picture><\/div>\n<\/figure>\n<\/div>\n<\/div>\n<\/div><\/section><br \/>\n<div  class='av-post-metadata-container av-lwayue2x-c695518714a09cf0b0936b8b5d440b7f av-metadata-container-align-left  avia-builder-el-3  el_after_av_textblock  el_before_av_post_metadata  av-metadata-container-1'><div class='av-post-metadata-container-inner'><span class=\"av-post-metadata-content av-post-metadata-meta-content\"><span class=\"av-post-metadata-content av-post-metadata-author\"  itemprop=\"author\" ><span class=\"av-metadata-before av-metadata-before-author\">von<\/span><span class=\"av-post-metadata-author-link\" ><a href=\"https:\/\/janisch-schulz.com\/en\/author\/manu\/\"  rel=\"author\">Manuel Schmelzle<\/a><\/span><\/span><span class=\"av-post-metadata-content av-post-metadata-separator\">\/<\/span><span class=\"av-post-metadata-content av-post-metadata-published time\"><span class=\"av-post-metadata-published time-date\" >20. February 2026 13:19<\/span><\/span><\/span><\/div><\/div><br \/>\n<div  class='av-post-metadata-container av-lwaywp9s-06bd6d9277a229caecbe0ee624491bd5 av-metadata-container-align-left  avia-builder-el-4  el_after_av_post_metadata  el_before_av_image  av-metadata-container-2'><div class='av-post-metadata-container-inner'><span class=\"av-post-metadata-content av-post-metadata-meta-content\"><span class=\"av-post-metadata-content av-post-metadata-category\"><span class=\"av-post-metadata-category-link\" ><a href=\"https:\/\/janisch-schulz.com\/en\/constructed-wetlands\/\" >Constructed Wetlands<\/a><\/span>, <span class=\"av-post-metadata-category-link\" ><a href=\"https:\/\/janisch-schulz.com\/en\/haeusliches-abwasser-en\/\" >H\u00e4usliches Abwasser<\/a><\/span>, <span class=\"av-post-metadata-category-link\" ><a href=\"https:\/\/janisch-schulz.com\/en\/innovation-en\/\" >Innovations and Research<\/a><\/span>, <span class=\"av-post-metadata-category-link\" ><a href=\"https:\/\/janisch-schulz.com\/en\/naturebasedsolutions\/\" >Nature-based solutions<\/a><\/span><\/span><\/span><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mluunmqv-612fdee50fcc5f2ae273a48f37ef60f4\">\n.avia-image-container.av-mluunmqv-612fdee50fcc5f2ae273a48f37ef60f4 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-mluunmqv-612fdee50fcc5f2ae273a48f37ef60f4 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-mluunmqv-612fdee50fcc5f2ae273a48f37ef60f4 av-styling- avia-align-center  avia-builder-el-5  el_after_av_post_metadata  el_before_av_textblock '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-2606 avia-img-lazy-loading-not-2606 avia_image ' src=\"https:\/\/janisch-schulz.com\/wp-content\/uploads\/2025\/01\/1733489463700.jpg\" alt='' title='constructed-wetland-pflanzenklaeranlage-mexicali-janisch-schulz-humedal-construido-artificial'  height=\"479\" width=\"768\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/janisch-schulz.com\/wp-content\/uploads\/2025\/01\/1733489463700.jpg 768w, https:\/\/janisch-schulz.com\/wp-content\/uploads\/2025\/01\/1733489463700-300x187.jpg 300w, https:\/\/janisch-schulz.com\/wp-content\/uploads\/2025\/01\/1733489463700-705x440.jpg 705w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-minhet38-d6a6c1d61ceb982bac14fb5795f6e1f7 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<p>A recently published article titled \u201cHow wastewater can be treated naturally\u201d initially paints a positive picture of constructed wetlands. At the same time, however, the article contains several formulations that subtly convey a narrative: constructed wetlands appear to be a sensible solution for developing countries or small rural applications \u2013 but not a professional wastewater solution in Germany.<\/p>\n<p>As planners and operators of planted soil filters with more than 30 years of experience, we would like to technically classify and clarify several points.<\/p>\n<h3 data-start=\"711\" data-end=\"755\">1. Land Requirement and \u201cLimited Volume\u201d<\/h3>\n<blockquote data-start=\"757\" data-end=\"858\">\n<p data-start=\"759\" data-end=\"858\">\u201cThe basins required for this take up a lot of space and can only treat a limited volume of water.\u201d<\/p>\n<\/blockquote>\n<p data-start=\"860\" data-end=\"1049\">It is technically correct that planted soil filters require more surface area than highly compact technical systems. However, the second part of the sentence suggests a specific deficiency.<\/p>\n<p data-start=\"1051\" data-end=\"1343\">Every wastewater treatment technology \u2013 whether activated sludge, SBR, or membrane processes \u2013 is hydraulically and biologically limited. Every plant can only treat a defined amount of water per day. Design is always based on population equivalents, pollutant loads, and hydraulic peak flows.<\/p>\n<p data-start=\"1345\" data-end=\"1614\">Planted soil filters are not \u201csmall\u201d systems \u2013 they are surface-optimized, load-dependent reactors with clearly defined performance capacities. In Germany, they are designed in accordance with standards and meet the same effluent requirements as conventional processes.<\/p>\n<hr data-start=\"1616\" data-end=\"1619\" \/>\n<h3 data-start=\"1621\" data-end=\"1644\">2. Odor Development<\/h3>\n<blockquote data-start=\"1646\" data-end=\"1692\">\n<p data-start=\"1648\" data-end=\"1692\">\u201cHowever, the odor is occasionally unusual.\u201d<\/p>\n<\/blockquote>\n<p data-start=\"1694\" data-end=\"1781\">Properly designed and operated vertical flow constructed wetlands do not produce odors.<\/p>\n<p data-start=\"1783\" data-end=\"2067\">Odor problems arise in anaerobic, overloaded, or incorrectly dimensioned systems \u2013 regardless of the treatment process. In aerated vertical soil filters, predominantly aerobic conditions prevail. Reference plants can be visited at any time; they are not perceptible in terms of smell.<\/p>\n<p data-start=\"2069\" data-end=\"2161\">The general wording in the article does not reflect the technical reality of modern systems.<\/p>\n<hr data-start=\"2163\" data-end=\"2166\" \/>\n<h3 data-start=\"2168\" data-end=\"2193\">3. Role of the Plants<\/h3>\n<blockquote data-start=\"2195\" data-end=\"2260\">\n<p data-start=\"2197\" data-end=\"2260\">\u201cThe plants mainly ensure that the purifying biofilm can form.\u201d<\/p>\n<\/blockquote>\n<p data-start=\"2262\" data-end=\"2344\">It is correct that the actual treatment performance is provided by microorganisms.<\/p>\n<p data-start=\"2346\" data-end=\"2544\">Plants support the system, but they are not the primary cause of pollutant removal. An unplanted soil filter can achieve nearly comparable treatment performance. The key functions of vegetation are:<\/p>\n<ul data-start=\"2546\" data-end=\"2704\">\n<li data-start=\"2546\" data-end=\"2599\">\n<p data-start=\"2548\" data-end=\"2599\">Long-term stabilization of hydraulic permeability<\/p>\n<\/li>\n<li data-start=\"2600\" data-end=\"2639\">\n<p data-start=\"2602\" data-end=\"2639\">Root structuring of the filter body<\/p>\n<\/li>\n<li data-start=\"2640\" data-end=\"2664\">\n<p data-start=\"2642\" data-end=\"2664\">Limited oxygen input<\/p>\n<\/li>\n<li data-start=\"2665\" data-end=\"2704\">\n<p data-start=\"2667\" data-end=\"2704\">Prevention of clogging over decades<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2706\" data-end=\"2810\">Constructed wetlands are microbiological reactors supported by vegetation \u2013 not \u201cplant cleaning basins.\u201d<\/p>\n<hr data-start=\"2812\" data-end=\"2815\" \/>\n<h3 data-start=\"2817\" data-end=\"2849\">4. Fluctuating Water Volumes<\/h3>\n<blockquote data-start=\"2851\" data-end=\"2895\">\n<p data-start=\"2853\" data-end=\"2895\">\u201cFluctuating water volumes are difficult.\u201d<\/p>\n<\/blockquote>\n<p data-start=\"2897\" data-end=\"2963\">Hydraulic fluctuations are a challenge for every treatment system.<\/p>\n<p data-start=\"2965\" data-end=\"3210\">However, planted soil filters have a high buffer capacity within their pore space and respond comparatively robustly to load variations. Especially in decentralized applications with discontinuous inflow, they prove to be operationally reliable.<\/p>\n<p data-start=\"3212\" data-end=\"3343\">The statement in the article is therefore not incorrect, but unspecific \u2013 it applies equally to all biological treatment processes.<\/p>\n<hr data-start=\"3345\" data-end=\"3348\" \/>\n<h3 data-start=\"3350\" data-end=\"3393\">5. Use of Biodegradable Cleaning Agents<\/h3>\n<blockquote data-start=\"3395\" data-end=\"3540\">\n<p data-start=\"3397\" data-end=\"3540\">\u201cIn addition, people should only use biodegradable personal care and cleaning products if the water is to be treated in a constructed wetland.\u201d<\/p>\n<\/blockquote>\n<p data-start=\"3542\" data-end=\"3588\">This statement is technically not sustainable.<\/p>\n<p data-start=\"3590\" data-end=\"3817\">Constructed wetlands in Germany are designed to treat domestic wastewater \u2013 including common household chemicals. In several of our facilities, wastewater from animal shelters is treated, where disinfectants are regularly used.<\/p>\n<p data-start=\"3819\" data-end=\"3893\">Such systems still comply with the officially required effluent standards.<\/p>\n<p data-start=\"3895\" data-end=\"4072\">Of course, responsible handling of chemicals is generally advisable \u2013 but not specifically for constructed wetlands; it applies to every form of biological wastewater treatment.<\/p>\n<hr data-start=\"4074\" data-end=\"4077\" \/>\n<h3 data-start=\"4079\" data-end=\"4142\">Constructed Wetlands Are Not a \u201cDevelopment Aid Technology\u201d<\/h3>\n<p data-start=\"4144\" data-end=\"4287\">The portrayal in the n-tv article subtly suggests that constructed wetlands are primarily suitable in regions without technical infrastructure.<\/p>\n<p data-start=\"4289\" data-end=\"4334\">In fact, planted soil filters in Germany are:<\/p>\n<ul data-start=\"4336\" data-end=\"4493\">\n<li data-start=\"4336\" data-end=\"4362\">\n<p data-start=\"4338\" data-end=\"4362\">Regulated by standards<\/p>\n<\/li>\n<li data-start=\"4363\" data-end=\"4385\">\n<p data-start=\"4365\" data-end=\"4385\">Proven for decades<\/p>\n<\/li>\n<li data-start=\"4386\" data-end=\"4416\">\n<p data-start=\"4388\" data-end=\"4416\">Implemented at large scale<\/p>\n<\/li>\n<li data-start=\"4417\" data-end=\"4445\">\n<p data-start=\"4419\" data-end=\"4445\">Economically competitive<\/p>\n<\/li>\n<li data-start=\"4446\" data-end=\"4466\">\n<p data-start=\"4448\" data-end=\"4466\">Energy efficient<\/p>\n<\/li>\n<li data-start=\"4467\" data-end=\"4493\">\n<p data-start=\"4469\" data-end=\"4493\">Operationally reliable<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4495\" data-end=\"4588\">They are not a provisional solution, but a mature form of nature-based wastewater technology.<\/p>\n<hr data-start=\"4590\" data-end=\"4593\" \/>\n<h3 data-start=\"4595\" data-end=\"4609\">Conclusion<\/h3>\n<p data-start=\"4611\" data-end=\"4808\">The article contributes to public awareness of nature-based systems \u2013 which is fundamentally positive. However, some formulations oversimplify technical relationships or imply value judgments.<\/p>\n<p data-start=\"4810\" data-end=\"4958\">Constructed wetlands are not a romantic alternative, but professional, scientifically grounded, and standards-compliant wastewater treatment plants.<\/p>\n<p data-start=\"4960\" data-end=\"5174\">As an engineering office with more than 30 years of experience, we stand for a fact-based discussion grounded in technical expertise. Below are some photos of our projects (with link) that underline our statements.<\/p>\n<h2 dir=\"ltr\"><\/h2>\n<div id=\"attachments-carousel_s5ZR8wp8xIbaSUTqNV36\" class=\"carousel slide cmb-10\" data-mdb-interval=\"false\" data-mdb-ride=\"carousel\" data-unn-component=\"global.attachments-carousel\" data-unn-component-instance-id=\"s5ZR8wp8xIbaSUTqNV36\">\n<div class=\"carousel-inner\">\n<figure class=\"mb-0\">\n<div class=\"position-relative overflow-hidden ar-16-10\" data-unn-component=\"global.image\" data-unn-component-instance-id=\"0nRUqPQLMePinuQSRUiS\"><picture><source srcset=\"https:\/\/cdn.pressebox.de\/r\/d1d21108f0a91bec\/attachments\/14\/80\/68\/thumbnail_1480686_746x466.webp\" type=\"image\/webp\" \/><source srcset=\"https:\/\/cdn.pressebox.de\/r\/af865786bb0fe4ca\/attachments\/14\/80\/68\/thumbnail_1480686_746x466.jpg\" type=\"image\/jpeg\" \/><\/picture><\/div>\n<\/figure>\n<\/div>\n<\/div>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mljt85l7-21d4e3bf4cf377e36d1b0a15090becd4\">\n.avia-image-container.av-mljt85l7-21d4e3bf4cf377e36d1b0a15090becd4 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-mljt85l7-21d4e3bf4cf377e36d1b0a15090becd4 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-mljt85l7-21d4e3bf4cf377e36d1b0a15090becd4 av-styling- av-img-linked avia-align-center  avia-builder-el-7  el_after_av_textblock  el_before_av_image '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><a href=\"https:\/\/janisch-schulz.com\/mexicali\/\" class='avia_image '  aria-label='Mexicali-08-2024'><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-2585 avia-img-lazy-loading-not-2585 avia_image ' src=\"https:\/\/janisch-schulz.com\/wp-content\/uploads\/2025\/01\/Mexicali-08-2024-1030x742.jpg\" alt='' title='Mexicali-08-2024'  height=\"742\" width=\"1030\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/janisch-schulz.com\/wp-content\/uploads\/2025\/01\/Mexicali-08-2024-1030x742.jpg 1030w, https:\/\/janisch-schulz.com\/wp-content\/uploads\/2025\/01\/Mexicali-08-2024-300x216.jpg 300w, https:\/\/janisch-schulz.com\/wp-content\/uploads\/2025\/01\/Mexicali-08-2024-768x553.jpg 768w, https:\/\/janisch-schulz.com\/wp-content\/uploads\/2025\/01\/Mexicali-08-2024-705x508.jpg 705w, https:\/\/janisch-schulz.com\/wp-content\/uploads\/2025\/01\/Mexicali-08-2024.jpg 1280w\" sizes=\"(max-width: 1030px) 100vw, 1030px\" \/><\/a><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mluuqg76-dd831aa33895a0407ba3544701b103df\">\n.avia-image-container.av-mluuqg76-dd831aa33895a0407ba3544701b103df img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-mluuqg76-dd831aa33895a0407ba3544701b103df .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-mluuqg76-dd831aa33895a0407ba3544701b103df av-styling- av-img-linked avia-align-center  avia-builder-el-8  el_after_av_image  el_before_av_image '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><a href=\"https:\/\/janisch-schulz.com\/so-geht-pflanzenklaeranlage-heute-bepflanzte-terrassen-zur-schmutzwasseraufbereitung-als-attraktives-element-moderner-und-nachhaltiger-architektur\/\" class='avia_image '  aria-label='palacio-justicia-ciudad-del-este-paraguay-2-2020'><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-2235 avia-img-lazy-loading-not-2235 avia_image ' src=\"https:\/\/janisch-schulz.com\/wp-content\/uploads\/2024\/07\/palacio-justicia-ciudad-del-este-paraguay-2-2020-1030x773.jpg\" alt='' title='palacio-justicia-ciudad-del-este-paraguay-2-2020'  height=\"773\" width=\"1030\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/janisch-schulz.com\/wp-content\/uploads\/2024\/07\/palacio-justicia-ciudad-del-este-paraguay-2-2020-1030x773.jpg 1030w, https:\/\/janisch-schulz.com\/wp-content\/uploads\/2024\/07\/palacio-justicia-ciudad-del-este-paraguay-2-2020-300x225.jpg 300w, https:\/\/janisch-schulz.com\/wp-content\/uploads\/2024\/07\/palacio-justicia-ciudad-del-este-paraguay-2-2020-768x576.jpg 768w, https:\/\/janisch-schulz.com\/wp-content\/uploads\/2024\/07\/palacio-justicia-ciudad-del-este-paraguay-2-2020-705x529.jpg 705w, https:\/\/janisch-schulz.com\/wp-content\/uploads\/2024\/07\/palacio-justicia-ciudad-del-este-paraguay-2-2020.jpg 1280w\" sizes=\"(max-width: 1030px) 100vw, 1030px\" \/><\/a><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mljt5byf-8f77cb4ec783821ed8c0dc1712684dac\">\n.avia-image-container.av-mljt5byf-8f77cb4ec783821ed8c0dc1712684dac img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-mljt5byf-8f77cb4ec783821ed8c0dc1712684dac .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-mljt5byf-8f77cb4ec783821ed8c0dc1712684dac av-styling- avia-align-center  avia-builder-el-9  el_after_av_image  el_before_av_hr '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-3281 avia-img-lazy-loading-not-3281 avia_image ' src=\"https:\/\/janisch-schulz.com\/wp-content\/uploads\/2026\/01\/img3177-1030x508.jpg\" alt='' title='img3177'  height=\"508\" width=\"1030\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/janisch-schulz.com\/wp-content\/uploads\/2026\/01\/img3177-1030x508.jpg 1030w, https:\/\/janisch-schulz.com\/wp-content\/uploads\/2026\/01\/img3177-300x148.jpg 300w, https:\/\/janisch-schulz.com\/wp-content\/uploads\/2026\/01\/img3177-768x379.jpg 768w, https:\/\/janisch-schulz.com\/wp-content\/uploads\/2026\/01\/img3177-1536x758.jpg 1536w, https:\/\/janisch-schulz.com\/wp-content\/uploads\/2026\/01\/img3177-2048x1010.jpg 2048w, https:\/\/janisch-schulz.com\/wp-content\/uploads\/2026\/01\/img3177-1500x740.jpg 1500w, https:\/\/janisch-schulz.com\/wp-content\/uploads\/2026\/01\/img3177-705x348.jpg 705w\" sizes=\"(max-width: 1030px) 100vw, 1030px\" \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-minhiqc4-6ee9884a464aa452bb9ba77569f8c61d\">\n#top .hr.hr-invisible.av-minhiqc4-6ee9884a464aa452bb9ba77569f8c61d{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-minhiqc4-6ee9884a464aa452bb9ba77569f8c61d hr-invisible  avia-builder-el-10  el_after_av_image  el_before_av_hr '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mhxkwsey-c50c6e22699abe5a86f9c99e66ef64aa\">\n#top .hr.hr-invisible.av-mhxkwsey-c50c6e22699abe5a86f9c99e66ef64aa{\nheight:150px;\n}\n<\/style>\n<div  class='hr av-mhxkwsey-c50c6e22699abe5a86f9c99e66ef64aa hr-invisible  avia-builder-el-11  el_after_av_hr  avia-builder-el-last '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>An article recently published presents constructed wetlands in a generally positive light, but contains some shortened or potentially misleading statements.<br \/>\nIt is correct that planted soil filters require space. However, it is misleading to imply that they can only treat \u201climited\u201d volumes of water \u2013 every wastewater treatment plant is hydraulically designed for a defined capacity.<br \/>\nProperly designed systems do not produce odors. Fluctuating inflows are a challenge for all biological treatment processes \u2013 constructed wetlands are considered robust in this respect.<br \/>\nConstructed wetlands are not a development solution, but a standards-compliant, professional wastewater technology \u2013 successfully implemented for over 30 years.<\/p>\n","protected":false},"author":3,"featured_media":2606,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Only a solution for farmers and developing countries?","_seopress_titles_desc":"...Not at all! Constructed wetlands are not a romantic alternative, but professional, scientifically grounded, and norm-compliant wastewater treatment plants.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"","iawp_total_views":41,"footnotes":""},"categories":[29,44,37,30],"tags":[],"class_list":["post-3392","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-constructed-wetlands","category-haeusliches-abwasser-en","category-innovation-en","category-naturebasedsolutions"],"_links":{"self":[{"href":"https:\/\/janisch-schulz.com\/en\/wp-json\/wp\/v2\/posts\/3392","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/janisch-schulz.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/janisch-schulz.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/janisch-schulz.com\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/janisch-schulz.com\/en\/wp-json\/wp\/v2\/comments?post=3392"}],"version-history":[{"count":3,"href":"https:\/\/janisch-schulz.com\/en\/wp-json\/wp\/v2\/posts\/3392\/revisions"}],"predecessor-version":[{"id":3395,"href":"https:\/\/janisch-schulz.com\/en\/wp-json\/wp\/v2\/posts\/3392\/revisions\/3395"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/janisch-schulz.com\/en\/wp-json\/wp\/v2\/media\/2606"}],"wp:attachment":[{"href":"https:\/\/janisch-schulz.com\/en\/wp-json\/wp\/v2\/media?parent=3392"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/janisch-schulz.com\/en\/wp-json\/wp\/v2\/categories?post=3392"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/janisch-schulz.com\/en\/wp-json\/wp\/v2\/tags?post=3392"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}