• 제목/요약/키워드: Natrual purification

검색결과 2건 처리시간 0.015초

복합유용미생물 및 수생식물을 활착시킨 흙블록을 이용한 자연정화 처리방법 연구 (Natural Purification Treatment using Soil Brick with Combined Effective Microorganisms and Emergent Plants)

  • 심학재;오용걸;박철휘;강원수
    • 상하수도학회지
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    • 제29권5호
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    • pp.543-550
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    • 2015
  • In this study, using soil brick with combined effective microorganisms and emergent plants was identified which it can increase the effect of conservation and improvement of water. Lab-test was consist of four kind of reactors and each of reactors were A(rawwater), B(soil brick), C(emergent plant) and D(soil brick+emergent plant). Iris pseudoacorus, Phargmites australis, Typha angustifolia and Zizania latifolia were used for emergent plant. Evaluation of application on various environment were performed on agricultural waterway and pond. The pH measurement test of soil brick was performed due to evaluate whether a strong alkaline water flows out of the soil brick. Result of lab-test, removal efficiency of D was better than removal efficiency of A presenting 20.9%, 27.9% 21.5%, 33.8% and 58.4% for $COD_{Cr}$, $BOD_5$, TN, TP and TSS respectively. Removal efficiency of soil brick on agricultural waterway was revealed to be 49.5%, 45.0%, 43.7%, 37.3% and 28.6% for $COD_{Cr}$, $BOD_5$, TN, TP and TSS respectively. And removal efficiency of soil brick on the pond was revealed to be 12.7%, 10.5%, 9.32%, 10.4% and 36.3% for $COD_{Cr}$, $BOD_5$, TN, TP and TSS respectively. Result of pH measurement test of soil brick was neutral which was about 6 to 8.

Purification and Characterization of Arylphorin of the Chinese Oak Silkmoth, Antheraea pernyi

  • Park, Snag-Bong;Kim, Jeong-Wha;Kim, Soohyun;Park, Nam-Sook;Jin, Byung-Rae;Hwang, Jae-Sam;Seong, Su-Il;Lee, Bong-Hee;Park, Eunju
    • International Journal of Industrial Entomology and Biomaterials
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    • 제6권1호
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    • pp.33-44
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    • 2003
  • The arylphorin was purified from the pupal haemolymph of the Chinese oak silkmoth, Antheraea pernyi, and characterized physiologically and biochemically, The protein was purified by a simple preparative polyacrylamide gel electrophoresis (PAGE) and subsequent diffusive elution. The preparation was shown to be homogeneous by 7.5% native-PAGE. The native molecular weight of arylphorin was 450 kDa with a 80 kDa single subunit, suggesting hexamer, The protein contained high amounts (18.3%) of aromatic amino acids, phenylalanine (9.7%) and tyrosine (8.6%). Therefore, the protein was identified as a kind of a storage protein referred to as an arylphorin. The protein was stained by Schiff's reagent, suggesting a glycoprotein. The protein contained 4.9% (w/w) sugar and mannose and N-acetylglucosamine were major components. Also, degradation of the protein was begun by heat treatment at 90 for 20 minutes. These results showed that the A. pernyi arylphorin in the study is hexamer associated with the six subunits consisting of a 80kDa single subunit, and is different from that of Kajiura et al. (1998) in the subunit composition.