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Mamirova Aigerim Pidlisnyuk Valentina Amirbekov Aday Ševců Alena Nurzhanova Asil 《Environmental science and pollution research international》2021,28(13):16092-16106
Environmental Science and Pollution Research - The organochlorine pesticides (OCPs) have raised concerns about being persistent and toxic to the environment. Phytoremediation techniques show... 相似文献
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Aigerim Jaxybayeva Zeynep Cetecioglu E. Gozde Ozbayram Fatih Yilmaz Orhan Ince 《Journal of environmental science and health. Part. B》2013,48(10):775-785
In this study, anaerobic treatability of diluted chicken manure (with an influent feed ratio of 1 kg of fresh chicken manure to 6 L of tap water) was investigated in a lab-scale anaerobic sludge bed (ASB) reactor inoculated with granular seed sludge. The ASB reactor was operated at ambient temperature (17–25°C) in order to avoid the need of external heating up to higher operating temperatures (e.g., up to 35°C for mesophilic digestion). Since heat requirement for raising the temperature of incoming feed for digestion is eliminated, energy recovery from anaerobic treatment of chicken manure could be realized with less operating costs. Average biogas production rates were calculated ca. 210 and 242 L per kg of organic matter removed from the ASB reactor at average hydraulic retention times (HRTs) of 13 and 8.6 days, respectively. Moreover, average chemical oxygen demand (COD) removal of ca. 89% was observed with suspended solids removal more than 97% from the effluent of the ASB reactor. Influent ammonia, on the other hand, did not indicate any free ammonia inhibition due to dilution of the raw manure while pH and alkalinity results showed stability during the study. Microbial quantification results indicated that as the number of bacterial community decreased, the amount of Archaea increased through the effective digestion volume of the ASB reactor. Moreover, the number of methanogens displayed an uptrend like archaeal community and a strong correlation (?0.645) was found between methanogenic community and volatile fatty acid (VFA) concentration especially acetate. 相似文献
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Baubekova Almagul Akindykova Ainisa Mamirova Aigerim Dumat Camille Jurjanz Stefan 《Environmental science and pollution research international》2021,28(32):43315-43328
Environmental Science and Pollution Research - The environmental situation concerning pollution by (eco)toxic and persistent trace elements in Kazakhstan has been investigated by analytical reviews... 相似文献
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