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À̸§ °ü¸®ÀÚ waterindustry@hanmail.net ÀÛ¼ºÀÏ 2022.10.04 Á¶È¸¼ö 518
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[ÇØ¿Ü¿¬±¸º¸°í¼­] ¹Ì¼¼Çöó½ºÆ½ È®»êÀ» ¸·´Â Àΰø½ÀÁö



[»çÁøÁ¦°ø = Griffith University]

[»çÁøÁ¦°ø = Griffith University]

 

±×¸®Çǽº ´ëÇб³(Griffith University)ÀÇ ÇÑ ¿¬±¸ÆÀÀÌ ÁÖµµÇÑ ¿¬±¸¿¡ µû¸£¸é Çϼö¿Í ¿ì¼ö À¯Ãâ¼ö¸¦ ó¸®Çϱâ À§ÇØ ¸¸µç Àΰø½ÀÁö(Constructed wetlands)°¡ ȯ°æÀ» ÅëÇÑ ¹Ì¼¼ Çöó½ºÆ½ÀÇ È®»êÀ» ¸·´Â À庮 ¿ªÇÒÀ» ÇÑ´Ù°í ¹àÇû´Ù.


ÀÌ ¿¬±¸´Â ±¹Á¦ÇмúÁöÀÎ ¡ºÈ¯°æ ¿À¿°(Environmental Pollution)¡»¿¡ °ÔÀçµÆÀ¸¸ç, ¿ì¼ö¿Í Çϼö°¡ À¯ÀÔµÈ 5°³ÀÇ Àΰø½ÀÁö¿¡¼­ ¹°°ú ħÀü¹°ÀÇ ¹Ì¼¼ Çöó½ºÆ¯ÀÇ ¾ç°ú ºÐÆ÷¸¦ Á¶»çÇß´Ù.



ÈÍû ·ç(Mr Hsuan-Cheng Lu) È£ÁÖ°­¿¬±¸¼Ò(Australian Rivers Institute) ¹Ú»ç°úÁ¤ Áö¿øÀÚ. [»çÁøÁ¦°ø = Griffith University]
ÈÍû ·ç(Mr Hsuan-Cheng Lu) È£ÁÖ°­¿¬±¸¼Ò(Australian Rivers Institute) ¹Ú»ç°úÁ¤ Áö¿øÀÚ. [»çÁøÁ¦°ø = Griffith University]

 ÈÍû ·ç(Mr Hsuan-Cheng Lu) È£ÁÖ°­¿¬±¸¼Ò(Australian Rivers Institute) ¹Ú»ç°úÁ¤ Áö¿øÀÚ´Â "Çϼö¿Í ¿ì¼ö´Â ¸ðµÎ ¹Ì¼¼ Çöó½ºÆ½ÀÌ ¼ö»ýȯ°æÀ¸·Î À¯ÀԵǴ Áß¿äÇÑ °æ·ÎÀÌ´Ù"¶ó°í ¸»Çß´Ù.


±×´Â À̾ "ÇöÀç ÀϹÝÀûÀ¸·Î »ç¿ëµÇ´Â Çϼö ¹× ¿ì¼ö ó¸® ½Ã½ºÅÛÀÎ Àΰø½ÀÁö°¡ ȯ°æ¿¡ ¹ÌÄ¡´Â ¹Ì¼¼ Çöó½ºÆ½ÀÇ È帧°ú ½ÀÁöÀÇ ¹° ¹× ÅðÀû¹°¿¡¼­ÀÇ ÃàÀûÀ» ÁÙÀÌ´Â µ¥ µµ¿òÀÌ µÉ °¡´É¼º¿¡ ´ëÇÑ Á¤º¸°¡ °ÅÀÇ ¾ø´Ù"°í µ¡ºÙ¿´´Ù.


Àΰø½ÀÁö´Â ¿ì¼ö¿¡¼­ ³ª¿À´Â ´Ù¸¥ È­ÇÐ ¿À¿°¹°Áú¿¡ ´ëÇÑ °ËÁõµÈ ÇÊÅÍ¿ªÇÒÀ» Çϱ⠶§¹®¿¡ ¿¬±¸¿øµéÀº ½ÀÁö°¡ ¹Ì¼¼ Çöó½ºÆ½À» ¾ó¸¶³ª Àß ¼öÁýÇÏ°í º¸À¯ÇÏ´ÂÁö Á¶»çÇß´Ù.


½ÀÁö·Î À¯ÀԵǴ ¿ì¼ö ¹× Çϼö´Â ¹èÃⱸÀÇ ¹°º¸´Ù ¹Ì¼¼ Çöó½ºÆ½ ¼öÄ¡°¡ ÃÖ´ë 4¹è ³ô¾Ò´Ù. ¸¶Âù°¡Áö·Î, Àΰø½ÀÁö ÅðÀû¹°¿¡¼­ ¹ß°ßµÈ ¹Ì¼¼ Çöó½ºÆ½ ¼öÄ¡´Â º¸°íµÈ ´ëºÎºÐÀÇ ´ã¼ö ÅðÀû¹° ¼öÄ¡º¸´Ù ³ô¾ÒÀ¸¸ç, ½ÀÁöÀÇ ÃÊÀÔÀÇ ÅðÀû¹°¿¡¼­´Â ¹èÃⱸ¿¡ ºñÇØ ¹Ì¼¼ Çöó½ºÆ½ÀÇ ¾çÀÌ ÈξÀ ´õ ¸¹¾Ò´Ù.




È£ÁÖ°­¿¬±¸¼ÒÀÇ ARI µ¶¼º ¿¬±¸ ÇÁ·Î±×·¥(ARITOX)À» À̲ø°í ÀÖÀ¸¸ç, ÀÌ ¿¬±¸ÀÇ °øµ¿ ÀúÀÚÀÎ ÇÁ·¹µ¥¸¯ ·ù½¬(Frederic Leusch) ±³¼ö´Â ¡°½ÀÁö ½Ä»ýÀº À¯Ãâ¼öÀÇ ¼Óµµ¸¦ ´ÊÃß¾î ¹Ì¼¼ Çöó½ºÆ½ÀÌ ÅðÀû¹°¿¡ ħÀüµÇµµ·Ï ÇÑ´Ù"¸ç, ¡°°ñµå ÄÚ½ºÆ® ½ÀÁö¿¡¼­ ¼öÁýÇÑ ÀÌ·¯ÇÑ Ãʱ⠰á°ú´Â ÅðÀû¹°ÀÌ Àü ¼¼°è ´ëºÎºÐÀÇ ´Ù¸¥ ´ã¼ö ȯ°æº¸´Ù ´õ ³ôÀº ¼öÁØÀÇ ¹Ì¼¼ Çöó½ºÆ½À» ¿î¹ÝÇÑ´Ù´Â °ÍÀ» º¸¿©ÁÖ¾ú´Ù"°í ¼³¸íÇß´Ù.

 

[»çÁøÁ¦°ø = Griffith University]È£ÁÖ°­¿¬±¸¼ÒÀÇ ARI µ¶¼º ¿¬±¸ ÇÁ·Î±×·¥(ARITOX)À» À̲ø°í ÀÖ´Â ÇÁ·¹µ¥¸¯ ·ù½¬(Frederic Leusch) ±³¼ö. [»çÁøÁ¦°ø = Griffith University]
[»çÁøÁ¦°ø = Griffith University]È£ÁÖ°­¿¬±¸¼ÒÀÇ ARI µ¶¼º ¿¬±¸ ÇÁ·Î±×·¥(ARITOX)À» À̲ø°í ÀÖ´Â ÇÁ·¹µ¥¸¯ ·ù½¬(Frederic Leusch) ±³¼ö. [»çÁøÁ¦°ø = Griffith University]

 ·ù½¬ ±³¼ö´Â À̾ "ÁÁ°Ô µé¸®Áö´Â ¾ÊÁö¸¸, ½ÀÁö°¡ ¹Ì¼¼ Çöó½ºÆ½ÀÌ ÇÏ·ù·Î ´õ ³ª¾Æ°¡ °­°ú ¹Ù´Ù·Î È®»êµÇ´Â °ÍÀ» ¸·´Â À庮 ¿ªÇÒÀ» ÇÑ´Ù´Â °ÍÀ» ÀǹÌÇÑ´Ù"°í µ¡ºÙ¿´´Ù.


¹Ì¼¼Çöó½ºÆ½ÀÇ Áö¹èÀûÀÎ ÇüÅ´ ÁÖ·Î ÀÇ·ù ¹× ¼¶À¯¿¡¼­ À¯·¡ÇÑ PET ¼¶À¯¿´Áö¸¸, ½ÄÇ° Æ÷Àå ¹× º´°ú °°Àº ´ëÇü Çöó½ºÆ½ Ç°¸ñÀÇ ºÐÇØ·Î ÀÎÇÑ PE ¹× PPµµ ħÀü¹°¿¡¼­ ¹ß°ßµÆ´Ù.


ÄýÁñ·£µåÀÇ °Ç±â¿¡ ¿¬±¸°¡ ¼öÇàµÇ¾úÀ¸¹Ç·Î ¿ì±â ¹× È«¼ö°¡ ¹ß»ýÇÏ´Â µ¿¾È ½ÀÁö À庮ÀÌ Áõ°¡µÈ ¹°ÀÇ ¾Ð·ÂÀ¸·Î Çöó½ºÆ½À» À¯ÁöÇÏ´ÂÁö ¶Ç´Â ÇÏ·ù »ýÅ°è·Î ¾Ä°Ü ³»·Á°¡´ÂÁö¸¦ ÆÇ´ÜÇϱâ À§ÇØ ´õ ¸¹Àº ¿¬±¸°¡ ÇâÈÄ ÇÊ¿äÇÏ´Ù.


·ç ¹Ú»ç°úÁ¤ Áö¿øÀÚ´Â "ÀÌ ¿¬±¸´Â Àΰø½ÀÁö°¡ Çϼö¿Í ¿ì¼ö À¯Ãâ¼ö¿¡¼­ ¹Ì¼¼ Çöó½ºÆ½À» º¸À¯ÇÒ ¼ö ÀÖÀ» »Ó¸¸ ¾Æ´Ï¶ó ÅðÀû¹°ÀÌ ½Ã°£ÀÌ Áö³²¿¡ µû¶ó ¹Ì¼¼ Çöó½ºÆ½À» °¡µÎ¾î ÃàÀûÇÏ´Â ½ÌÅ© ¿ªÇÒÀ» ÇÒ ¼ö ÀÖÀ½À» º¸¿©ÁÖ´Â Áß¿äÇÑ Ã¹ ¹ø° ´Ü°è"¶ó°í ¸»Çß´Ù.


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[¿ø¹®º¸±â]


Manmade wetlands, a barrier to the spread of microplastics


 

Constructed wetlands, built to treat wastewater and stormwater runoff, act as a barrier preventing the spread of microplastics through the environment, a Griffith-led study has found.


Published in Environmental Pollution, the researchers investigated the amount and distribution of microplastics in water and sediment at five constructed wetlands with stormwater and wastewater sources feeding into the wetlands.


¡°Wastewater and stormwater are both critical pathways for microplastics to enter the aquatic environment,¡± said Mr Hsuan-Cheng Lu, a PhD candidate from the Australian Rivers Institute.


¡°Currently there¡¯s little information about the potential for constructed wetlands, a commonly used wastewater and stormwater treatment system, to help diminish the flow of microplastics to the environment and their accumulation in the water and sediment of the wetlands.¡±


As constructed wetlands are a proven filters for other chemical contaminants from stormwater, the researchers investigated how well they collect and retain microplastics.


The microplastic levels were up to four times higher in the storm/wastewater entering the wetland compared to water at the outlet. Similarly, the levels microplastics found in the constructed wetland sediment were higher than most reported freshwater sediment levels, with the amount of microplastics much greater in the sediment at the wetland inlet compared to the outlet.


¡°Wetland vegetation slows down runoff water, allowing microplastics to settle into the sediment,¡± said co-author Professor Frederic Leusch who leads the ARI Toxicology Research Program (ARITOX) at the Australian Rivers Institute.


¡°These initial results, gathered from a Gold Coast wetlands, showed the sediment carried a higher level of microplastics than most other freshwater environments globally.


¡°While it doesn¡¯t sound good, it means that the wetlands act as a barrier preventing the microplastics from spreading further downstream, into our rivers and oceans.¡±


The dominant form of microplastics was PET fibres primarily originating from clothing and textiles, however, PE and PP from the breakdown of large plastic items, such as food packaging and bottles, was also found in the sediment.


As the study was carried out over the dry season in Queensland, more research is needed during wetter seasons and flood events to determine if wetland barriers retain the plastics under the pressures of increased water flows or whether they get washed into ecosystems downstream.


¡°This study is an important first step that shows constructed wetlands can not only retain the microplastics in treated water and storm water runoff, but their sediment can also act as sinks trapping and accumulating the microplastics over time,¡± said Mr Lu.


¡°The accumulation of microplastics and other pollutants in wetlands over time also raises concerns, as the constructed wetlands provide a key habitat for wildlife in the urban landscape.


¡°For this reason, the logical next step after determining whether wetland microplastic traps survive the rigours of the wet season, is work with council engineers to investigate how the accumulated microplastics can be safely removed.¡±


[Ãâó = Griffith University(https://news.griffith.edu.au/2022/09/26/manmade-wetlands-a-barrier-to-the-spread-of-microplastics/) / 2022³â 9¿ù 26ÀÏ]

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