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Iron manganese bacteria 2

Riverbank filtration: removal of iron, manganese and hardness

Riverbank filtration: removal of iron, manganese and hardness

... RESULTS AND DISCUSSION Nanofiltration of hardness removal Three types of nanofiltration membrane such as UTC-60(TORAY), NTR729-HF(NITTO DENCO) and UTC-20(TORAY) was used The characteristics of membrane ... slurry Conclusion In hardness removal experiment by membrane, flux of UTC-20 in permeate flux and total hardness removal 0.069 m3/m2/hr that was median value and 93% of removal efficiency was ... Sampling point of this study Fig Development areas of bankfiltrate - 134 - Journal of Water and Environment Technology, Vol.1, No.2, 2003 Nanofiltration to hardness removal Nanofiltration experiment...
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Development of a DTPA soil test for zinc, iron, manganese, and cropper

Development of a DTPA soil test for zinc, iron, manganese, and cropper

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Báo cáo khoa học:

Báo cáo khoa học: "Iron and iron/manganese ratio in forage from Icelandic sheep farms: relation to scrapie" docx

... Fe/Mn ratio was 1.50 in forage from scrapie-free farms (categories and combined); 1.70 in forage from scrapie-prone farms and 2.68 in forage from scrapieafflicted farms The mean Fe/Mn ratio in forage ... iron in Icelandic soil are known to be high [10] The iron concentration in grass (and forage made from grass) in the country is accordingly high The high concentrations of soluble iron in soil in ... Veterinaria Scandinavica 2006, 48:16 Scrapie in sheep and goats is one of the best known TSEs Scrapie in sheep has for decades been one of the most costly diseases in Icelandic livestock [5] In...
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Tài liệu Báo cáo Y học: Thermostability of manganese- and iron-superoxide dismutases from Escherichia coli is determined by the characteristic position of a glutamine residue pdf

Tài liệu Báo cáo Y học: Thermostability of manganese- and iron-superoxide dismutases from Escherichia coli is determined by the characteristic position of a glutamine residue pdf

... effects of a combination of key residues Further analysis of these and other mutant SODs is currently underway ACKNOWLEDGEMENTS We are indebted to G Peplow, F Yamakura and T Matsumoto for the analyses ... D., Hiraoka, B .Y. , Nakayama, K., Fujimura, T., Taka, H & Murayama, K (1998) Inactivation and destruction of conserved Trp159 of Fesuperoxide dismutase from Porphyromonas gingivalis by hydrogen ... result was the extremely high thermostability of Mn[G77Q] and the very low thermostability of Fe [A1 41Q] (Fig 5) Each of these mutants has two glutamine residues in their active sites; one from the...
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Acetic Acid Bacteria 1

Acetic Acid Bacteria 1

... 72, 96, 12 0, 14 4 and 16 8 hours incubation at 30º C and with 12 0 rpm aeration speed were examined according to their acetic acid production by titration assay and their turbidity due to bacterial ... C: control Fig The high acetic acid productivity of Acetobacter strain isolated from Iranian white red cherry after 24, 48, 72, 96, 12 0, 14 4 1nd 16 8 hours at 30 oC and 12 0 RPM aeration speed Fig ... contaminations +4 TABLE IV GROWTH AND ACETIC ACID PRODUCTION OF ISOLATED BACTERIA AT 36OC AFTER 96 HOURS Temperature Ethanol % Growth Acid Production +1 36oC +1 +1 +2 +2 +2 The results of the tolerance...
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Acetic Acid Bacteria 2

Acetic Acid Bacteria 2

... Dc2 Dc3 Lư ng axít t o thành (tính theo ñ o T) 24 gi 48 gi 72 gi 96 gi 20 4 24 4 26 9 25 8 199 24 8 26 3 25 8 193 24 0 24 9 25 3 20 4 23 9 26 6 25 3 198 24 0 26 0 23 2 21 9 23 5 26 2 25 0 194 25 1 26 6 25 5 24 4 22 6 25 1 ... MRS d ch th 72h/370C sau ñó ly tâm thu l y d ch Vi c Sighella 25 26 25 25 26 25 26 25 ,5 26 25 Saccina 22 23 29 20 22 21 21 20 26 26 xác ñ nh ho t tính phân gi i cazein gelatin ñư c ti n hành ... 26 2 25 0 194 25 1 26 6 25 5 24 4 22 6 25 1 25 4 157 21 0 26 7 25 9 20 2 20 4 25 8 25 5 M.Đ Linh nnk / Tạp chí Khoa học ĐHQGHN, Khoa học Tự Nhiên Công nghệ 24 (20 08) 22 1 -22 6 K t qu cho th y lư ng axit lactic...
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Acetic Acid Bacteria - screening of LAB strains

Acetic Acid Bacteria - screening of LAB strains

... the occurrence of lactic acid bacteria spectrum, L plantarum constituted the highest number of LAB isolated from fermented plant materials The involvement of various types of LAB in fermented ... of One hundred and thirteen lactic acid bacteria isolates were obtained from seven fermented 742 World Appl Sci J., (5): 74 1-7 47, 2008 Table 1: Species and frequency of occurrence of lactic acid ... according to the method of Garcia-Garibay and Marshall [19] The lactic acid culture was treated with 17% (w/v) of 80% trichloroacetic acid solution and centrifuged at 16,000-x g at 4°Cfor 30min.The...
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Immobilization of heavy metals in sediment dredged from a seaport by iron bearing materials

Immobilization of heavy metals in sediment dredged from a seaport by iron bearing materials

... economics had manual incinerator In other hospitals, the manual incinerator is burned and leaves an uncomfortable smell According to the “Regulation of medical waste management” of the Ministry of Public ... regulations There have been many sanitation workers dumping waste bags to roadsides In particular, Hanoi has thousands of medical stations, making up about 2% of total wastes Only 60 hospitals and ... Public Health, medical waste must be treated immediately at once, contained in bag or barrel according to color and standard In fact, in most hospitals, especially in private medical stations,...
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Báo cáo y học:

Báo cáo y học: "Identification of clinical and simple laboratory variables predicting responsible gastrointestinal lesions in patients with iron deficiency anemia"

... occult gastrointestinal bleeding Endoscopic evaluation of the gastrointestinal tract is commonly performed to evaluate iron deficiency Most of patients with iron deficiency in, whom gastrointestinal ... associated with GI lesions in all patients In addition, we determine the yield of endoscopy evaluations in pre-menopausal and age < 50 women with iron deficiency anemia but without any clinically significant ... in outpatients with iron deficiency anemia The aim of our study was to investigate the incidence of GI pathological findings in symptomatic and asymptomatic patients with IDA and to identify the...
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acid lactic Bacteria

acid lactic Bacteria

... khuẩn acid lactic phân thành hai nhóm: lên men lactic đồng hình chuyển hầu hết lƣợng glucose để tạo thành acid lactic lên men lactic dị hình glucose lên men tạo thành acid lactic, ethanol, acid ... thành 46 g acid lactic Hiệu suất chuyển hóa thành acid lactic: 21,1 % Theo (Hui H Y ctv, 1994) cho vi khuẩn lactic đồng hình chuyển hóa đƣờng tạo thành 90 % acid lactic Lƣợng acid lactic thu ... khuẩn lactic đồng hình tạo acid lactic chủ yếu từ trình lên men đƣờng Chúng thấy L acidophilus phù hợp để lên men lactic nên chọn để sản xuất acid lactic 4.5 Sản xuất acid lactic từ mật rỉ 4.5.1...
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Decolorization of Dye with Iron Oxide Catalysed Decomposition of Hydrogen Peroxide

Decolorization of Dye with Iron Oxide Catalysed Decomposition of Hydrogen Peroxide

... catalytic effect on hydrogen peroxide decomposition among three iron oxides (FeOOH, Fe3O4 and Fe2O3) - 35 - The hydrogen peroxide decomposition by FeOOH followed a first order reaction with the H2O2 ... Use of Iron Minerals in Optimizing the Peroxide Treatment of Contaminated Soils Water Environ Res., 65(7), 839-844 Weiss J J and Haber F (1934) The catalytic decomposition of hydrogen peroxide ... scavenger The presence of tert-butanol reduced the rate of dye removal significantly with no or slight effect on hydrogen peroxide decomposition The rate H2O2 decomposition and dye removal showed...
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Reduction of nitrate by nanoscale zero-valent iron supported on mesoporous silica beads

Reduction of nitrate by nanoscale zero-valent iron supported on mesoporous silica beads

... images of the zero-valent iron adsorbded on mesoporous silica at (a) 80fold and (b) 2000-fold Denitrification by nZVI on the mesoporous silica beads The kinetic study for chemical reduction of nitrate ... concentration was not also detected, and this can be attributed to the adsorption to the mesoporous silica by ion-exchange Fig - Nitrate reduction by nanoscale zero-valent iron supported on the mesoporous ... nanoscale zero-valent iron Chemosphere, 41, 1307-1311 Huang, Y H., Zhang, T C (2002) Kinetics of nitrate reduction by iron at near neutral pH J Environ Eng.-ASCE, 128(7), 604-611 Mathason, L J...
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Removal of arsenic from simulated groundwater by adsorption using iron-modified rice husk carbon

Removal of arsenic from simulated groundwater by adsorption using iron-modified rice husk carbon

... adsorbent - iron-modified rice husk carbon (RH-Fe)which was prepared from an available, cheap source of carbon (rice husk carbon) and the most effective agent (iron) for the removal of both As[III] ... very few studies on iron-modified rice husk carbon as adsorbent for the removal of arsenic from drinking water, although there are many research papers on arsenic removal using iron-based adsorbent ... adsorbents are used Studies on the removal of arsenic from groundwater using rice husk (an agricultural waste which is a byproduct in rice milling) have been carried out by some researchers Amin et...
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Detection of bacteria and enteric viruses from river and estuarine sediment

Detection of bacteria and enteric viruses from river and estuarine sediment

... prevalence of these fecal indicators suggested that part of the fecal indicator bacteria that flew into the river from various contamination sources settle on river and estuarine sediment, and that ... shows composition of particle size of sediment from each sampling point Gerba et al (1977) mentioned that their sediment was largely composed of organic mud and sand, while the sediment sample ... Comparative detection of enteric viruses in - 314 - Journal of Water and Environment Technology, Vol 7, No 4, 2009 wastewaters, sediments and oysters by reverse transcription-PCR and cell culture,...
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