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À̸§ °ü¸®ÀÚ waterindustry@hanmail.net ÀÛ¼ºÀÏ 2013.03.12 Á¶È¸¼ö 673
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¸óÆ®¸®¿Ã ÄÁÄ¿µð¾î´ëÇÐ(Concordia University) ¿¬±¸Áø
 

ÆÞÇÁ(Pulp)³ª Á¦Áö »ê¾÷ÀÇ »ý»ê¾÷üµéÀº ij³ª´Ù »ê¾÷¿¡ ÀÖ¾î °¡Àå Áß¿äÇÑ »ê¾÷±ºÀÌÀÚ °¡Àå ¸¹Àº Æó¼ö(Wastewater)¸¦ »ý»êÇÏ´Â »ê¾÷±ºÀ̱⵵ ÇÏ´Ù. µû¶ó¼­ Æó¼ö¿¡¼­ ¹ß»ýµÇ´Â ¿Â½Ç°¡½º ¹èÃâ(Greenhouse Gas Emissions)À» ÃøÁ¤ÇÏ´Â °ÍÀº ÀÌµé »ê¾÷¿¡°Ô ¸Å¿ì Áß¿äÇÑ ÀÏÀÌ µÇ°í ÀÖ´Ù.
 
±×·¯³ª Áö±Ý±îÁö ¿Â½Ç°¡½º ¹èÃâ·®À» ÃßÁ¤ÇÏ´Â °ÍÀº À̵éÀ» ¿¹ÃøÇϱâ À§ÇØ »ç¿ëµÇ´Â ¼öÇÐÀû ¸ðµ¨(Mathematical Model)¿¡ ÀÇÇØ Á¦ÇÑ ¹Þ¾Æ¿Ô´Ù.
 
ÀÌ¿¡ Ãֱ٠ij³ª´Ù ¸óÆ®¸®¿Ã¿¡ ÀÖ´Â ÄÁÄ¿µð¾î´ëÇÐ(Concordia University)ÀÇ ¿¬±¸ÁøµéÀº ÀÌ·¯ÇÑ ¿Â½Ç°¡½º ¹èÃâ·®À» ±âÁ¸º¸´Ù ´õ¿í Á¤È®ÇÏ°Ô ¿¹ÃøÇÒ ¼ö ÀÖ´Â »õ·Î¿î µ¿Àû ¸ðµ¨(Dynamic Model)À» °³¹ßÇÏ¿´´Ù.
 
Environmental Science and Pollution Research Àú³Î¿¡ ¹ßÇ¥µÈ À̵éÀÇ ¿¬±¸ °á°ú´Â ÆÞÇÁ ¹× Á¦Áö »ê¾÷»Ó¸¸ ¾Æ´Ï¶ó ź¼Ò ¹ßÀÚ±¹(Carbon Footprint)À» Àú°¨Çϱâ À§ÇØ ³ë·ÂÇÏ´Â ¾î¶°ÇÑ »ê¾÷¿¡µµ È°¿ëÀÌ °¡´ÉÇÑ ³»¿ëµéÀÌ Æ÷ÇԵǾî ÀÖ´Ù.
 
ÄÁÄ¿µð¾î ´ëÇÐ °ÇÃàÅä¸ñȯ°æ°øÇаú(Department of Building, Civil and Environmental Engineering)ÀÇ ±³¼öÀÌÀÚ À̹ø ¿¬±¸³í¹®ÀÇ °øµ¿ÀúÀÚÀÎ Laleh Yerushalmi´Â ¡°ÇöÀç »ç¿ëµÇ°í ÀÖ´Â Á¤Àû ¸ðµ¨(Steady-state Models)Àº ÀüüÀûÀÎ ¿Â½Ç°¡½º ¹èÃâÀ» ¿¹ÃøÇϱ⿡ À¯¿ëÇϳª º¯È­¿¡ ´ëÀÀÇϱâ Èûµé´Ù. ÀÌ¿¡ ¹ÝÇØ µ¿Àû ¸ðµ¨Àº Æó¼ö °ü¸® ½Ã½ºÅÛÀÇ º¯È­¿¡ ´ëÀÀÇÏ¿© ¿Â½Ç°¡½º ¹èÃâÀÌ ¾î¶»°Ô ¿µÇâÀ» ¹Þ´ÂÁö ÃßÁ¤ÇÒ ¼ö ÀÖ´Ù. µû¶ó¼­ Á¤Àû ¸ðµ¨Àº º¸´Ù Á¤È®ÇÏ°í ´õ ¸¹Àº Á¤º¸¸¦ Á¦°øÇÑ´Ù¡±°í ¸»ÇÑ´Ù.
 
À̹ø ¿¬±¸´Â Æó¼ö ½Ã½ºÅÛ¿¡¼­ ¹ß»ýÇÏ´Â ½ÇÁúÀûÀÎ ¿Â½Ç°¡½º ¹èÃâ°ªÀ» È°¿ëÇÏ¿© Á¤Àû ¼öÇÐÀû ¸ðµ¨°ú µ¿Àû ¼öÇÐÀû ¸ðµ¨À» ºñ±³ÇÏ¿´´Ù. ±× °á°ú µÎ ¸ðµ¨ ¸ðµÎ Àüü ¿Â½Ç°¡½º ¹èÃâ¿¡ ´ëÇÑ Á¤È®ÇÑ °á°ú¸¦ ¾òÀ» ¼ö ÀÖ¾ú´Ù. ±×·¯³ª Á¤Àû ¸ðµ¨¸¸ÀÌ ´Ù¾çÇÑ È¯°æ º¯È­¿¡ ´ëÀÀÇÏ¿© ¿Â½Ç °¡½º ¹èÃâ º¯È­¸¦ ¿¹ÃøÇÒ ¼ö ÀÖ¾ú´Ù. ¶ÇÇÑ µ¿Àû ¸ðµ¨Àº ¿¡³ÊÁö ¼Òºñ³ª ¹ß»ý°ú °°Àº ´Ù¸¥ »êÃâ·®À» ¿¹ÃøÇÒ ¶§¿¡µµ È°¿ëµÉ ¼ö ÀÖ´Ù.
 
À̹ø ³í¹®ÀÇ °øµ¿ ÀúÀÚ Áß ÇÑ ¸íÀÎ Fariborz Haghighat ±³¼ö´Â ¡°¿ì¸®´Â µ¿Àû ¸ðµ¨À» È°¿ëÇÏ¿© ½Ã°£¿¡ µû¸¥ Æó¼öó¸® ¼³ºñÀÇ Æ¯¼ºÀ» ´õ Àß ÀÌÇØÇÒ ¼ö ÀÖ°Ô µÇ¾ú´Ù. ÀÌ·¯ÇÑ Áö½ÄÀ» ÀÌ¿ëÇÏ¿© ¿Â½Ç°¡½º ¹èÃâÀ» Àý°¨Çϸ鼭 ¿¡³ÊÁö È¿À²Àº °³¼±ÇÒ ¼ö ÀÖ´Â Àü·«À» Á¦¾ÈÇÒ ¼ö ÀÖÀ» °Í¡±À̶ó°í ¸»Çß´Ù.
 
Yerushalmi ±³¼ö´Â ¡°ÀÌ·¯ÇÑ ¸ðµ¨Àº Ãʱ⠽ýºÅÛ ¼³°è ´Ü°è³ª º¯È­°¡ Æ÷ÇÔµÈ °³¹ß ´Ü°è¿¡ Àִ ƯÁ¤ °ü¸® ½Ã½ºÅÛÀÇ Æ¯¼ºÀ» ¸ð»çÇϱâ À§ÇØ »ç¿ëµÇ°í ÀÖ´Ù. ¿ì¸®´Â °¡´ÉÇÑ °¡Àå Á¤È®ÇÑ ¿¹Ãø¹æ¹ýÀ» ÀÌ¿ëÇÏ°í ½Í¾îÇÑ´Ù. ÀÌ¿¡ µ¿Àû ¸ðµ¨Àº Áö±Ý±îÁö °¡Àå ÃÖ»óÀÇ ¿¹Ãø ¸ðµ¨À̶ó ÇÒ ¼ö ÀÖ´Ù¡±°í ¼³¸íÇÏ¿´´Ù.
 
ÄÁÄ¿µð¾î ´ëÇÐÀÇ Omid Ashrafi , Laleh Yerushalmi, Fariborz Haghighat ±³¼ö µîÀº Environmental Science and Pollution Research Àú³Î¿¡ ¹ßÇ¥µÈ À̹ø ³í¹®ÀÎ ¡°Application of dynamic models to estimate greenhouse gas emission by wastewater treatment plants of the pulp and paper industry¡±À» ÀÛ¼ºÇÏ¿© ¹ßÇ¥ÇÏ¿´´Ù.
 
[ÀÚ·áÁ¦°ø : ³ì»ö±â¼úÁ¤º¸Æ÷Å»(www.gtnet.go.kr)] 2013. 03. 11]
 
[¿ø¹®º¸±â]

New Method for Greenhouse Gas Predictions
 
Mar. 5, 2013 - Pulp and paper producers are among Canada's most important industries and also one of the largest producers of wastewater. Estimating the greenhouse gas emissions in this wastewater has become a priority for the industry.
 
Until now, greenhouse gas emission estimates have been limited by the mathematical models used to predict them. Researchers at Concordia University have recently developed a new dynamic method to better predict the emission content of these gases. Their findings, published in Environmental Science and Pollution Research, have implications not only for the pulp and paper industry, but also for any business wishing to reduce its carbon footprint.
 
"Currently used steady-state models are able to give an overall prediction but dynamic models can estimate the variation in greenhouse gas emissions in response to changes in the wastewater management system. Dynamic models are therefore more accurate and provide more information," says Laleh Yerushalmi, an adjunct professor at Concordia's Department of Building, Civil and Environmental Engineering and study co-author.
 
Knowledge can lead to improved emission control
 
The study compared steady-state and dynamic mathematical modelling predictions with actual values of greenhouse gas emissions in wastewater systems. Both models gave accurate results of overall gas emissions. However, only the dynamic model was able to estimate changes in emissions in response to a changing environment. The dynamic model could also be used to predict other outputs, such as energy consumption and generation.
 
"With dynamic modeling, we can better understand the behaviour of the treatment plant over time," says senior author Fariborz Haghighat, professor in Concordia's Department of Building, Civil and Environmental Engineering and Concordia Research Chair in Energy and Environment. "With this knowledge, we can then recommend a strategy to reduce the emission of greenhouse gas and also improve energy efficiency."
 
"Models such as this are used to simulate the behaviour of a particular management system either in the early stages of system design or in later development to incorporate changes," adds Yerushalmi. "We want to make sure that we use the most accurate method possible and the dynamic model is best predictor yet."
 
"Application of dynamic models to estimate greenhouse gas emission by wastewater treatment plants of the pulp and paper industry" was authored by Omid Ashrafi, Laleh Yerushalmi and Fariborz Haghighat of Concordia University.
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