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½ºÆäÀÎ ÄÚ¸£µµ¹Ù´ëÇб³(ÀÇ ¿£Á©·¹½º ¸¶Æ¾ »êÅ佺(M. Angeles Martin Santos) È­ÇаøÇÐ ±³¼öÆÀ(»çÁø)Àº ¼­·Î ´Ù¸¥ °ø¹ýÀ¸·Î 󸮵Ǵ µÎ Çϼöó¸®Àå¿¡¼­ ¾ÇÃë ¿µÇâÀ» Æò°¡Çß´Ù. [»çÁøÃâó(Photo source) = UCO(Äڷεµ¹Ù´ëÇÐ)]


½ºÆäÀÎ Äڷεµ¹Ù´ëÇб³(University of Cordoba ; UCO)ÀÇ ¿¬±¸ÆÀÀÌ ¼öÇàÇÑ ¿¬±¸´Â ±â°èÀû Æø±â¿¡ ÀÇÇÑ Çϼö ¿À¿°À» °¨¼Ò½ÃÅ°´Â °ÍÀÌ Áý¾àÀûÀÎ ½Ã½ºÅÛº¸´Ù ¾ÇÃë È­ÇÕ¹°À» Àû°Ô ¹æÃâÇÑ´Ù´Â °ÍÀ» Áõ¸íÇß´Ù. ¶ÇÇÑ °¡ÁöÄ¡±â¿Í ½½·¯Áö Åðºñ·Î ä¿öÁø ¹ÙÀÌ¿À ÇÊÅÍÀÇ »ç¿ëÀÌ Ã³¸®ÀåÀÇ ¾ÇÃë ¿µÇâÀ» ÃÖ¼ÒÈ­Çϱâ À§ÇÑ È¿À²ÀûÀÎ ½Ã½ºÅÛÀ̶ó´Â °ÍÀ» ÀÔÁõÇÏ´Â ¶Ç ´Ù¸¥ ¿¬±¸°¡ ¼öÇàµÇ¾ú´Ù.


µµ½Ã Çϼöó¸®ÀåÀÇ ¾ÇÃë´Â ±â¼úÀÌ ¼ö³â°£ ÇØ°áÇÏ·Á Çß´ø »çȸÀû ¹®Á¦ Áß Çϳª´Ù. ÀÌ·¯ÇÑ À¯ÇüÀÇ ±â¹Ý ½Ã¼³ÀÇ Á¦¾î ¹× °ü¸® ½Ã½ºÅÛÀº ƯÈ÷ Çϼöó¸®Àå ±Ùó¿¡ »ç´Â ÁֹεéÀÇ »îÀÇ Áú¿¡ Á÷Á¢ÀûÀÎ ¿µÇâÀ» ¹ÌÄ¡´Â ÀÌ Æó±â¹°ÀÇ È¯°æ ¹× ³¿»õ³ª´Â ¿µÇâÀ» ÃÖ¼ÒÈ­ÇÏ´Â µ¥ ÁÖÀǸ¦ ±â¿ï¿´´Ù.


»ý¸í°øÇÐÀÌ °í¾ÈÇس½ ÃֽŠ½Ã½ºÅÛ Áß¿¡´Â ±× È¿°ú¸¦ ÀÔÁõÇÔÀ¸·Î½á µ¹Æĸ¦ ½ÃµµÇÏ´Â µÎ °¡Áö°¡ Àִµ¥, ±×°ÍÀº ¹Ù·Î ±â°èÀûÀÎ Åëdz(mechanical ventilation)°ú »ý¹°¿©°ú(biofiltration)ÀÌ´Ù. µÎ ¿¬±¸ ¸ðµÎ ÄÚ¸£µµ¹Ù´ëÇÐÀÇ µÎ °úÇÐÆÀ¿¡ ÀÇÇØ ¼öÇàµÈ µÎ °³ÀÇ µ¶¸³ÀûÀÎ ¿¬±¸¿¡¼­ Æò°¡µÇ¾úÀ¸¸ç, ¡º°øÁ¤¾ÈÀü ¹× ȯ°æº¸È£ Àú³Î(journal Process Safty and Environmental Protection)¡»¿¡ °ÔÀçµÇ¾ú´Ù.


ù ¹ø° ¿¬±¸´Â ¿¡½ºÇÇ¿¤(Espiel)°ú ºô¶óºñ½Ã¿À»ç(Villaviciosa)ÀÇ µÎ ÄÚ¸£µµ¹Ý(Cordoban) ¸¶À»ÀÇ Çϼöó¸®Àå(WWTP ; wastewater treatment plant)¿¡¼­ ½ÇÁ¦ ±Ô¸ð·Î ¼öÇàµÈ ÀÛ¾÷¿¡ ´ëÇØ ¼³¸íÇÏ°í, µÎ ¹ø° ÀÛ¾÷Àº ÄÚ¸£µµ¹Ù´ëÇб³ È­ÇаøÇÐ ±¸¿ªÀÇ ½Ã¼³¿¡¼­ ¿î¿µµÇ´Â ÆÄÀÏ·µ ½ºÄÉÀÏ ¹ÙÀÌ¿À ÇÊÅÍ(pilot scale biofilter)ÀÇ ÀÛµ¿¿¡ ´ëÇÑ ºÐ¼®À» ¼³¸íÇÑ´Ù.


ù ¹ø° ¿¬±¸¿¡¼­, ÇϼöÀÇ ´Ù¸¥ »ý¹°ÇÐÀû 󸮸¦ ºÐ¼®ÇÑ °á°ú, ¿¡½ºÇÇ¿¤ Çϼöó¸®Àå(Espiel WWTP)¿¡¼­ »ç¿ëµÇ´Â Àå±â°£ Æø±âÀÇ È°¼º ½½·¯Áö¶ó°í ºÒ¸®´Â °úÁ¤ÀÌ ºô¶óºñ½Ã¿À»ç¿¡¼­ »ç¿ëµÇ´Â ȸÀü µð½ºÅ© ½Ã½ºÅÛº¸´Ù ÁÖ¹Î´ç ¾à°£ ´õ ³ôÀº ¾ÇÃ븦 ¹æÃâÇÑ´Ù´Â °ÍÀ» Áõ¸íÇÒ ¼ö ÀÖ¾ú´Ù.


¿¡½ºÇÇ¿¤ Çϼöó¸®ÀåÀÇ ½Ã½ºÅÛÀº ¶ÇÇÑ Çϼö󸮸¦ À§ÇØ ´õ È¿À²ÀûÀÌ°í Áý¾àÀûÀ̸ç ÀûÀýÇÑ Á¶°ÇÈ­°¡ °¡´ÉÇÑ ºÎ»ê¹°ÀÎ ½½·¯Áö¸¦ ´õ ¸¹ÀÌ ¹ß»ý½ÃÄÑ ¼øȯ°æÁ¦ ¹ßÀü¿¡ À¯¸®ÇÏ´Ù. ¿©±â¿¡ ½½·¯Áö °Ô³ð(sludge genome) ºÐ¼® °á°ú ³ªÅ¸³­ °Íó·³ ÁúÈ­(nitrifying)¡¤Å»ÁúÈ­ ¼¼±Õ(denitrifying bacteria)ÀÌ Á¸ÀçÇϸé Çϼö¿¡¼­ ¿À¿° Áú¼ÒÈ­ÇÕ¹°À» Á¦°ÅÇÒ ¼ö ÀÖ´Ù.


µÎ ¹ø° °£Ç๰Àº ¼­·Î ´Ù¸¥ À¯±â¼º Æó±â¹°·Î ä¿öÁø ÀåÄ¡¿¡¼­ ¾ÇÃë È­ÇÕ¹°À» Á¦°ÅÇϱâ À§ÇØ »ý¹°¿©°ú(biofiltration) È¿°ú¸¦ ºÐ¼®ÇÑ´Ù. Áï, °¡ÁöÄ¡±â ÀÜ¿©¹°¸¸ ³²°Å³ª ó¸®Àå ÀÚüÀÇ ½½·¯Áö Åðºñ¿Í È¥ÇÕÇÏ´Â °ÍÀÌ´Ù.


ÀÌ ¿¬±¸ÀÇ °á°ú´Â ºÎƼ¸£»ê(Butyric acid)°ú °°Àº ¹°¿¡¼­ »ê¼º ¹× °¡¿ë¼º ¼ºÁúÀÇ ¾ÇÃ뼺 È­ÇÕ¹°À» Á¦°ÅÇϱâ À§ÇØ ¹ÙÀÌ¿ÀÇÊÅ͸¦ »ç¿ëÇÏ´Â °æ¿ì, D-¸®¸ð³Ù(D-Limonene)°ú °°Àº ¹°¿¡¼­ ±³À⼺ÀÌ ÀûÀº È­ÇÕ¹°À» Á¦°ÅÇÏ´Â °æ¿ìº¸´Ù È¿À²Àº ³ôÁö¸¸ ³»±¸¼ºÀº ³·´Ù´Â °ÍÀ» º¸¿©ÁÖ¾ú´Ù. ºÎƼ¸£»êÀº ¹ßÈ¿ °úÁ¤¿¡¼­ »ý¼ºµÇ´Â È­ÇÕ¹°·Î ƯÀ¯ÀÇ »ê¹Ì ³¿»õ°¡ ³ª´Â ¹Ý¸é, D-¸®¸ð³ÙÀº °¨±Ö·ùÀÇ ³¿»õ¸¦ Ư¡Áþ´Â È­ÇÕ¹°ÀÌ´Ù.


UCO(Äڷεµ¹Ù´ëÇÐ)ÀÇ ¿£Á©·¹½º ¸¶Æ¾ »êÅ佺(M. Angeles Martin Santos) È­ÇаøÇÐ ±³¼ö¿¡ µû¸£¸é ¡°¿ì¸®´Â ¿¬±¸µÈ ¸ðµç ½Ä¹°µéÀÌ Á¤ÇØÁø ¹èÃâ ÇѰ踦 ÁؼöÇÏ°í ó¸® °øÀåÀÇ ³¿»õ°¡ Ç×»ó ±Ùó »ç¶÷µé¿¡°Ô µµ´ÞÇÏ´Â °ÍÀº ¾Æ´Ï¶ó´Â °ÍÀ» ¸í½ÉÇØ¾ß ÇÑ´Ù¡±°í ¸»Çß´Ù.


»êÅ佺 ±³¼ö´Â ƯÈ÷ ¡°È¯°æ¿¡ ÀÇÇÑ ¿À¿°¾ÇÃëÀÇ Àüü À̵¿°ú Èñ¼® °úÁ¤ÀÌ Àִµ¥, ÀÌ °úÁ¤Àº ³¿»õÀÇ ÀνÄÀ» °¨¼Ò½ÃÅ°´Â µ¥, ¿¹¸¦ µé¾î ¹Ù¶÷Àº ±×µéÀ» ºÐ»ê½Ãų ¼ö ÀÖ´Ù. µû¶ó¼­ Çϼö°ü¸®¿¡ ÀÖ¾î ÇʼöÀûÀÎ Ãø¸éÀº ó¸®ÀåÀÇ À§Ä¡ÀÌ´Ù¡±¶ó°í °­Á¶Çß´Ù.


»êÅ佺 ±³¼ö´Â ¶ÇÇÑ ¡°¹®Á¦´Â µµ½ÃÈ­¿Í ÅäÁö ÀçȹÁ¤ °á°ú, ¸¹Àº Çϼöó¸®ÀåµéÀÌ Àα¸¿¡ ¸Å¿ì °¡±õ±â ¶§¹®¿¡ ³¿»õ ¹èÃâ ÅëÁ¦ ½Ã½ºÅÛÀ» ´õ °®Ãç¾ß ÇÑ´Ù¡±°í ¿ª¼³Çß´Ù.

 

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 UCO(Äڷεµ¹Ù´ëÇÐ)ÀÇ »êÅ佺 ±³¼öÆÀÀº ±â°èÀû Æø±â¿¡ ÀÇÇÑ Çϼö¿À¿°À» °¨¼Ò½ÃÅ°´Â °ÍÀÌ Áý¾àÀûÀÎ ½Ã½ºÅÛº¸´Ù ¾ÇÃë È­ÇÕ¹°À» Àû°Ô ¹æÃâÇÑ´Ù´Â °ÍÀ» Áõ¸íÇß´Ù. 

 

¡á Âü°í¹®Çå(References)

P. ¸¶¸£ÄÉÁî(Marquez), M.C. ±¸Æ¼¿¡·¹½º(Gutierrez), M. Åç·¹µµ(Toledo), J. ¾ËÇϸ¶(Alhama), C. ¹ÌÂù(Michan), M. A. ¸¶Æ¾(Martin), ¡®È°¼ºÈ­µÈ ½½·¯Áö ÇÁ·Î¼¼½º ´ë WWTPÀÇ È¸Àü »ý¹°ÇÐÀû Á¢Ã˱â : ÀÛµ¿ ¹× ½½·¯Áö ¼¼±Õ ÇÔ·®ÀÌ ³¿»õ ¿µÇâ¿¡ ¹ÌÄ¡´Â ¿µÇâ Æò°¡(Activated sludge process versus rotating biological contactors in WWTPs: Evaluating the influence of operation and sludge bacterial content on their odor impact)¡¯, ¡º°øÁ¤ ¾ÈÀü ¹× ȯ°æ º¸È£ Àú³Î(journal Process Saf ty and Environmental Protection)¡», vol.160, 2022³â 4¿ù, ÆäÀÌÁö 775¡­785¸é, https://doi.org/10.1016/j.psep.2022.02.071


P. ¸¶¸£ÄÉÁî(Marquez), J. A. ½Ç·¹½º, M.C. ±¸Æ¼¿¡·¹½º(Gutierrez), J. ¾ËÇϸ¶(Alhama),, C. ¹ÌÂù(Michan), M. A. ¸¶Æ¾(Martin), ¡®ÈÄ°¢ÃøÁ¤ÇÐ, ¹°¸®È­ÇÐ ¹× °Ô³ð Á¢±Ù¹ýÀÇ Á¶ÇÕÀ» ÀÌ¿ëÇÑ ¸®¸ð³Ù ¶Ç´Â ºÎƼ¸£»ê¿¡ ¿À¿°µÈ °ø±âÀÇ »ý¹° ¿©°ú ºñ±³ ¿¬±¸(A comparative study between the biofiltration for air contaminated with limonene or butyric acid using a combination of olfactometric, physico-chemical and genomic approaches)¡¯, ¡º°øÁ¤ ¾ÈÀü ¹× ȯ°æ º¸È£ Àú³Î(journal Process Saf ty and Environmental Protection)¡», Á¦160±Ç, 2022³â 4¿ù, ÆäÀÌÁö 362¡­375¸é, https://doi.org/10.1016/j.psep.2022.02.024


[¿ø¹®º¸±â]


The study of two wastewater treatment plants in Cordoba with different technology evaluates their odoriferous impact


The research developed proves that degrading wastewater pollution by mechanical aeration emits fewer odorous compounds than intensive systems. Additionally, another study has been carried out that demonstrates that the use of biofilters filled with pruning and sludge compost are efficient systems to minimize the odoriferous impact of the treatment plants.


The smell of city wastewater treatment plants is one of the social problems that technology has been trying to solve for years. The control and management systems of this type of infrastructure have taken care of minimizing the environmental and odoriferous impact of this waste that directly affects the quality of life, especially of those who live near the treatment plants. 


Among the latest systems that biotechnology has been able to devise there are two that try to break through by demonstrating their effectiveness: mechanical ventilation and biofiltration. Both have been evaluated in two independent studies carried out by two scientific teams from the University of Cordoba and published in the journal Process Safety and Environmental Protection. 


The first of these works describes the work carried out on a real scale in the wastewater treatment plants (WWTP) of two Cordoban towns: Espiel and Villaviciosa, and the second, the analysis of the operation of pilot scale biofilters operated in the facilities of the Chemical Engineering area of the University of Cordoba.


In the first work, the analysis of different biological treatments of wastewater has allowed to prove that the process called active sludge of prolonged aeration, which is used in the Espiel WWTP, emits slightly higher odor rate per inhabitant than the system of rotating discs that is used in Villaviciosa. 


Espiel's system is also more efficient and intensive for wastewater treatment and generates a greater amount of sludge, a by-product that can be properly conditioned, thus favoring the development of the circular economy. In addition, as the analysis of the sludge genome has shown, the presence of nitrifying and denitrifying bacteria allows the removal of polluting nitrogen compounds from wastewater.


The second publication analyzes the effectiveness of biofiltration to eliminate odoriferous compounds in devices filled with different organic waste: pruning remains exclusively or mixing them with sludge compost from the treatment plant itself. 


The results of this work showed that when biofilters are used to remove odorous compounds of an acidic and soluble nature in water such as butyric acid, the efficacy was higher but less durable than in the elimination of less miscible compounds in water, such as D-Limonene. Butyric acid is a compound that is generated in fermentation processes, with a characteristic rancid smell, while D-Limonene is a compound that characterizes the smell of citrus.


In any case, and according to M. Angeles Martin Santos, professor of Chemical Engineering at the UCO, "we must bear in mind that all the plants studied comply with the established discharge limits and that the smell of a treatment plant does not always reach the nearby populations. 


There is a whole process of transport and dilution of polluting odors by the environment that causes their perception to decrease. The wind, for example, can disperse them. Hence, an essential aspect in wastewater management is the location of treatment plants. 


The problem is that, as a result of urbanization and land requalification, many treatment plants are very close to populations and, therefore, must be more equipped with odor emission control systems."


References

P. Marquez, M.C. Gutierrez, M. Toledo, J. Alhama, C. Michan, M. A. Martin, "Activated sludge process versus rotating biological contactors in WWTPs: Evaluating the influence of operation and sludge bacterial content on their odor impact", Process Safety and Environmental Protection, vol. 160, April 2022, pp 775-785, https://doi.org/10.1016/j.psep.2022.02.071.


P. Marquez, J. A. Siles, M.C. Gutierrez, J. Alhama, C. Michan, M. A. Martin, "A comparative study between the biofiltration for air contaminated with limonene or butyric acid using a combination of olfactometric, physico-chemical and genomic approaches", Process Safety and Environmental Protection, vol. 160, April 2022, pp 362-375, https://doi.org/10.1016/j.psep.2022.02.024.


[Ãâó=Äڷεµ¹Ù´ëÇб³(https://www.uco.es/servicios/actualidad/noticiasactualidaddia/item/145158-el-estudio-de-dos-estaciones-depuradoras-de-aguas-residuales-de-cordoba-con-distinta-tecnologia-evalua-su-impacto-odorifero?lang=es&idU=1&acm=_3510) / 2022³â 4¿ù 19ÀÏÀÚ º¸µµÀÚ·á]

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