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Ba\u015fak Nur G\u00d6K\u00c7AM<\/strong><\/p>\n D\u00fcnyada her g\u00fcn 2 milyar fincandan fazla kahve t\u00fcketiliyor. bunun sonucunda \u00e7\u00f6pe at\u0131lan kahve telvesi miktar\u0131 ise y\u0131lda 6 milyon tonu ge\u00e7iyor. K\u00fcresel \u00e7apta en \u00e7ok t\u00fcketilen i\u00e7eceklerden olan kahve, petrolden sonra en \u00e7ok ticaret pay\u0131na sahipli\u011fi sebebiyle de her ge\u00e7en y\u0131l daha fazla t\u00fcketildi\u011fi i\u00e7in daha fazla at\u0131\u011fa neden oluyor.<\/p>\n Bu soruna \u00e7\u00f6z\u00fcm \u00fcretmek isteyen avustralyal\u0131 m\u00fchendisler, kullan\u0131lm\u0131\u015f kahve telvesi ile y\u00fczde 30 daha g\u00fc\u00e7l\u00fc beton \u00fcretmeyi ba\u015fard\u0131. Kahve taneciklerini 350\u00b0c\u2019de oksijensiz, d\u00fc\u015f\u00fck enerjili bir i\u015flem kullan\u0131larak biyok\u00f6m\u00fcre d\u00f6n\u00fc\u015ft\u00fcren m\u00fchendisler, bu \u00e7al\u0131\u015fmayla organik at\u0131klar\u0131n yayd\u0131\u011f\u0131 sera gaz\u0131n\u0131 azaltmay\u0131 hedefliyorlar.<\/p>\n \u00c7al\u0131\u015fmaya ili\u015fkin konu\u015fan rm\u0131t \u00fcniversitesi \u00f6\u011fretim \u00fcyesi ve ba\u015f yazar Dr. Rajeev Roychand, organik at\u0131klar\u0131n bertaraf edilmesinin, metan ve karbondioksit gibi b\u00fcy\u00fck miktarda sera gaz\u0131 yaymas\u0131 nedeniyle \u00e7evresel sorun yaratt\u0131\u011f\u0131n\u0131 s\u00f6yledi. Ortak ba\u015f yazar Dr. Shannon Kilmartin-Lynch ise d\u00fcnya \u00e7ap\u0131ndaki in\u015faat end\u00fcstrilerinin at\u0131klar\u0131 de\u011ferli bir kayna\u011fa d\u00f6n\u00fc\u015ft\u00fcrmede rol oynayabilece\u011fini belirtti.<\/p>\n \u00c7evreci beton ile at\u0131k miktar\u0131 azalabilir<\/strong><\/p>\n \u00a0D\u00fcnya \u00e7ap\u0131nda in\u015faat projelerinde her y\u0131l 50 milyar ton do\u011fal kum kullan\u0131l\u0131yor. Organik at\u0131klar\u0131n geri d\u00f6n\u00fc\u015f\u00fcm\u00fcn\u00fcn art\u0131r\u0131lmas\u0131na katk\u0131da bulunma potansiyeline sahip olan beton end\u00fcstrisi ile at\u0131k depolama sahalar\u0131na giden at\u0131k miktar\u0131 b\u00fcy\u00fck oranda azalt\u0131labilir. \u00d6zellikle kahve biyok\u00f6m\u00fcr\u00fcn\u00fcn, beton yap\u0131m\u0131nda kullan\u0131lan kumun bir k\u0131sm\u0131n\u0131n yerini alarak, do\u011fal kum \u00e7\u0131kar\u0131m\u0131n\u0131 azaltmas\u0131 ve \u00e7evreye daha az zarar vermesi m\u00fcmk\u00fcnd\u00fcr.<\/p>\n Konuyu de\u011ferlendiren sorumlu yazar ve ara\u015ft\u0131rma ekibi lideri Profes\u00f6r Jie Li, \u201cKaynaklar\u0131n s\u0131n\u0131rl\u0131 do\u011fas\u0131 ve kum madencili\u011finin \u00e7evresel etkileri nedeniyle s\u00fcrd\u00fcr\u00fclebilir kum tedarikini s\u00fcrd\u00fcrmede kritik ve uzun s\u00fcreli zorluklar var\u201d dedi. Kahve at\u0131klar\u0131n\u0131 de\u011ferlendirmek i\u00e7in \u00e7e\u015fitli yollardan faydalan\u0131labilir. Kahve at\u0131\u011f\u0131n\u0131n kullan\u0131ld\u0131\u011f\u0131 baz\u0131 alanlar ise \u015f\u00f6yle;<\/p>\n B\u0130YOYAKIT:<\/strong> Kahve \u00e7ekirdekleri b\u00fcnyelerinde \u00e7e\u015fitli ya\u011flar bar\u0131nd\u0131rd\u0131\u011f\u0131 i\u00e7in bu ya\u011flar\u0131 biyoyak\u0131ta d\u00f6n\u00fc\u015ft\u00fcrmek m\u00fcmk\u00fcn.<\/p>\n G\u00dcBRE:<\/strong> Kahve at\u0131klar\u0131n\u0131 geri d\u00f6n\u00fc\u015ft\u00fcrmenin yollar\u0131ndan bir di\u011feri de g\u00fcbredir. Toplsnsn kahve telvesi ile topra\u011f\u0131n b\u00f6ceklenmesi \u00f6nlenebilir.<\/p>\n KAHVE K\u00dcT\u00dcKLER\u0130:<\/strong> Kahve at\u0131klar\u0131ndan elde edilen k\u00fct\u00fckler ile ev \u0131s\u0131tmak da m\u00fcmk\u00fcn.<\/p>\n SERA GAZINI HAPSETME:<\/strong> Institute of Physics taraf\u0131ndan yap\u0131lan bir \u00e7al\u0131\u015fma kapsam\u0131nda kahve \u00e7ekirdeklerinin potasyum hidroksit ile birlikte \u0131s\u0131t\u0131lmas\u0131 durumunda metan\u0131 hapseden bir malzemenin ortaya \u00e7\u0131kmas\u0131n\u0131 sa\u011flad\u0131\u011f\u0131 belirlendi.<\/p>\n TASARIM:<\/strong> Kahve at\u0131klar\u0131n\u0131n kullan\u0131labilece\u011fi alanlardan biri de tasar\u0131m. Kahve at\u0131\u011f\u0131n\u0131 geri d\u00f6n\u00fc\u015ft\u00fcrerek sanatsal bak\u0131\u015f a\u00e7\u0131s\u0131nda kullanarak telveden kahve fincan\u0131 \u00fcretti. \u00c7evre dostu bu kompozit fincanlar, a\u011fa\u00e7 yongas\u0131, do\u011fal re\u00e7ine ve kahve telvesinden olu\u015fuyor ve y\u00fczde 100 do\u011fada ayr\u0131\u015fabilir.<\/p>\n Kahve at\u0131klar\u0131 karbondioksitten 28 kat daha g\u00fc\u00e7l\u00fc<\/strong><\/p>\n Kahve at\u0131klar\u0131 karbondioksitten yakla\u015f\u0131k 28 kat daha g\u00fc\u00e7l\u00fc\u00a0olan metan gaz\u0131 yayarak k\u00fcresel \u0131s\u0131nmaya da sebep oluyor. d\u00fcnyan\u0131n bu iki b\u00fcy\u00fck at\u0131k kayna\u011f\u0131 ayn\u0131 zamanda yeralt\u0131 su kaynaklar\u0131m\u0131z\u0131 da kirletiyor.<\/p>\n \u00a0<\/p>\n<\/p><\/div>\n