{"id":26181,"date":"2024-04-17T13:40:27","date_gmt":"2024-04-17T12:40:27","guid":{"rendered":"https:\/\/www.biobasedpress.eu\/?p=26181"},"modified":"2024-04-17T13:54:34","modified_gmt":"2024-04-17T12:54:34","slug":"watertekorten","status":"publish","type":"post","link":"https:\/\/www.biobasedpress.eu\/nl\/2024\/04\/watertekorten\/","title":{"rendered":"Watertekorten"},"content":{"rendered":"

Watertekorten gaan een groot probleem worden in vele regio\u2019s. Ook voor de industrie. Veel industrie\u00ebn moeten hun watergebruik terugdringen \u2013 met behoud van het niveau van industri\u00eble productie, natuurlijk. Waterbesparende technieken krijgen nu meer belangstelling.<\/strong><\/p>\n

\"Waterschaarste<\/a>
Waterschaarste in India. Foto Orazgeldiyew Wikimedia Commons<\/figcaption><\/figure>\n

Lux Research<\/a> besteedde aandacht aan deze technologie\u00ebn. Ze concentreren zich op vier technologie\u00ebn: geavanceerde membraansystemen, energiezuinige afvalwaterbehandeling, biologische bewerking en nullozing. Het gaat niet alleen om watertekorten \u2013 waterverontreiniging moet ook worden bestreden. Lux legt zich toe op vele sectoren: van bier<\/a> tot halfgeleiders<\/a>, van cement<\/a> tot chemicali\u00ebn<\/a>. Elke sector heeft te maken met problemen van watertekorten die moeten worden opgelost.<\/p>\n

Regulering van watertekorten
\n<\/strong><\/h2>\n

Bovenop het algemene onderwerp van waterbesparing komen nog de verschillende vergunningsvoorwaarden waarmee bedrijven te maken krijgen, voor elke vestiging weer anders. Lux Research geeft het voorbeeld van het internationale bedrijf PepsiCo. Dit heeft honderden fabrieken, over de hele wereld. Elk van deze fabrieken kan te maken krijgen met andere regels over watertekorten (besparing of recycling), met evenzovele uitdagingen.<\/p>\n

\"Water<\/a>
Waterschaarste in Ethiopi\u00eb. Foto Oxfam East Africa, Wikimedia Commons.<\/figcaption><\/figure>\n

Overheidsregels vormen niet het enige probleem. Over de hele wereld gaan de kosten van water omhoog. Dus alleen al uit financieel oogpunt moeten bedrijven zich bezig houden met watertekorten. Centraal staat hergebruik. Maar Lux meent dat zulke inspanningen vaak ook voordelen met zich meebrengen. Investeringen in waterbesparing \u2018zijn vaak kostenbesparend en laten zien dat een bedrijf duurzaamheid hoog in het vaandel heeft.\u2019<\/p>\n

Membranen<\/strong><\/h2>\n

Nieuwe membranen worden het meest gekozen als oplossing. Veel bedrijven maken hiervan gebruik. Ook biologische technieken worden veel gebruikt. Bijvoorbeeld membraan-bioreactoren of microbi\u00eble brandstofcellen. Een recent probleem betreft de verwijdering van PFAS<\/a> (polyfluoroalkylverbindingen). Deze stoffen breken vrijwel niet af in het milieu en beginnen een ernstig probleem te vormen. Lux Research schrijft dat \u2018lithiumextractie\u2019 hier met succes kan worden toegepast. Of filtratie met behulp van ringvormige moleculen; zoals een Nederlands onderzoeksteam onlangs heeft laten zien<\/a>.<\/p>\n

Volgens Lux is industri\u00eble afvalwaterbehandeling nu terecht gekomen in de fase van commercialisatie. Wereldwijd wordt er nu meer dan $ 500 miljoen per jaar aan uitgegeven. Maar al zijn de huidige ontwikkelingen hoopgevend voor het milieu, het bedrijf denkt niet dat er ooit een silver bullet zal worden gevonden. Of het zouden misschien \u2018ge\u00efntegreerde oplossingen\u2019 moeten zijn, waarbij schoonmaak en waterbesparing hand in hand gaan. Watertekorten zorgen voor problemen die alleen integraal kunnen worden opgelost.<\/p>\n

Interessant? Lees dan ook:
\n<\/em>Voedsel zonder landbouw, droom of kans?<\/a>
\nNaar een nieuwe landbouwpraktijk<\/a>
\nMicrotechnologie<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Watertekorten gaan een groot probleem worden in vele regio\u2019s. Ook voor de industrie. Veel industrie\u00ebn moeten hun watergebruik terugdringen \u2013 met behoud van het niveau van industri\u00eble productie, natuurlijk. Waterbesparende … Lees verder<\/a><\/p>\n","protected":false},"author":4,"featured_media":26188,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","footnotes":""},"categories":[258],"tags":[11,129],"class_list":["post-26181","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-commentaar","tag-duurzaamheid","tag-technologie"],"yoast_head":"Watertekorten - Bio Based Press<\/title>\n<meta name=\"description\" content=\"Watertekorten spelen een grote rol in veel landen. 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