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Jennyfer Serrano and Eduardo Leiva
Fluvial sediments, soils, and natural waters in northern Chile are characterized by high arsenic (As) content. Mining operations in this area are potential sources of As and other metal contaminants, due to acid mine drainage (AMD) generation. Sulfate Re...
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Long Chen, Feng Li, Wenrou Huang, Zhi Li and Mingguang Chen
A large fraction of mercury contaminant in the environment is from industrial production, and it potentially impairs human health once entering the food chain. Millions of people reside in the Pearl River Delta region, and water quality in the estuary di...
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Tan Dang, Petra Marschner, Rob Fitzpatrick and Luke M. Mosley
Biochar can retain large amounts of protons and metals in the drainage water from acid sulfate soils and mine sites. Metal sorption can, however, be influenced by many factors, such as pH and metal composition. This study investigated proton, Al, and Fe ...
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Theeba Manickam, Gerard Cornelissen, Robert T. Bachmann, Illani Z. Ibrahim, Jan Mulder and Sarah E. Hale
The use of biochar as an agricultural soil improvement was tested in acid sulfate and sandy soils from Malaysia, cropped with rice and corn. Malaysia has an abundance of waste rice husks that could be used to produce biochar. Rice husk biochar was produc...
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Patrick S. Michael
Pág. 42 - 54
In poor soils, addition of alkaline sandy loam containing an adequate proportion of sand, silt and clay would add value by improving the texture, structure and organic matter (OM) for general use of the soils. In acid sulfate soils (ASS), addition ...
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Harun Tanyildizi
Pág. 102 - 121
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Craig A. McCauley, Aisling D. O'Sullivan, Mark W. Milke, Paul A. Weber, Dave A. Trumm
Pág. 961 - 970
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Jennyfer Serrano and Eduardo Leiva
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Ye Wee Siew, Karina Listiarini Zedda and Svetlozar Velizarov
Acid mine drainage (AMD) is a severe form of environmental pollution that has the potential to contaminate surface and ground waters by introducing heavy metals and lowering the pH. The feasibility of using nanofiltration (NF) as a potentially attractive...
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Chungman Moon, Rajesh Singh, Sathyanarayan S. Veeravalli, Saravanan R. Shanmugam, Subba Rao Chaganti, Jerald A. Lalman and Daniel D. Heath
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Chungman Moon, Rajesh Singh, Sathyanarayan S. Veeravalli, Saravanan R. Shanmugam, Subba Rao Chaganti, Jerald A. Lalman and Daniel D. Heath
Biological sulfate (SO42-) reduction was examined in anaerobic sequential batch reactors (ASBRs) operated under different hydraulic retention times (HRTs) ranging from 12 to 36 h and COD (Chemical Oxygen Demand)/SO42- ratios of 2.4, 1.6 and 0.8. Competit...
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Anna Winiarska-Mieczan, Malgorzata Kwiecien, Karolina Jachimowicz-Rogowska, Svitlana Kislova, Zvenyslava Zasadna and Dmytro Yanovych
The aim of the study was to determine the effect of Fe glycine chelate supplementation on the chemical composition and nutritional quality of breast meat from broiler chicken. The following parameters were assessed: fat content, cholesterol content, fatt...
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Toni Kauppinen, Tuomas Vielma, Justin Salminen and Ulla Lassi
Manganese-containing anode sludge is a common side-product in the electrowinning of zinc. The anode sludge consists mainly of oxidized manganese, but also lesser amounts of lead, calcium, and other minor metals. The impurities present in the anode sludge...
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Shima Taheri, Gerardo Pareja Delgado, Oluwatoosin B. A. Agbaje, Paritosh Giri and Simon Martin Clark
Prolonged exposure to low pH conditions affects the durability of concrete. In this work, the effect of mullite, aluminum silicate, on the strength and the acid corrosion of mortar and concrete under induced accelerated conditions in sulfuric acid soluti...
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Bing Li, Hao Peng and Jing Guo
Phosphogypsum is a kind of solid waste produced in wet process of producing phosphoric acid, which affects the filtration rate and water content of phosphogypsum. The effects of single surfactant sodium dodecyl sulfate (SDS), sodium dodecylbenzene sulfon...
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José Ariévilo Gurgel Rodrigues, Érico Moura Neto, Gustavo Ramalho Cardoso dos Santos, Regina Célia Monteiro de Paula, Paulo Antônio de Souza Mourão, Norma Maria Barros Benevides
Pág. 203 - 210
Researches on structural chemistry of sulfated polysaccharides (SPs) have been mainly focused on red and brown algae. Caulerpa cupressoides var. lycopodium (Chlorophyta) contains three SPs fractions (Cc-SP1, Cc-SP2 and Cc-SP3). Cc-SP1 and Cc-SP2 had anti...
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Azhar Equbal and Anoop Kumar Sood
Metallization of ABS (acrylonitrile-butadiene-styrene) parts has been studied on flat part surfaces. These parts are fabricated on an FDM (fused deposition modeling machine) using the layer-wise deposition principle using ABS as a part material. Electrol...
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Patrick S Michael
Pág. 56 - 67
A significant environmental problem is the disturbance of acid sulfate soils which contain high amounts of sulfuric acid or have the potential to form it, resulting in pollution of the environment due to mobilization of toxic metals into soil and water s...
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Yuji Nagashima, Kenta Fujimoto, Masahiko Okai, Yoichiro Kitani, Aya Yoshinaga-Kiriake and Shoichiro Ishizaki
Tetrodotoxin (TTX)-binding proteins are present in toxic TTX-bearing animals, such as pufferfish and gastropods. These may prevent autotoxicity. However, TTX-binding proteins are also found in the nontoxic marine shore crab, Hemigrapsus sanguineus. Here,...
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György Pátzay, József Dobor, Emil Csonka, Gábor Lozsi, Ferenc Feil
Pág. 424 - 430
Borate ion exchange capacity of Purolite NRW600 strong base anion resin in hydroxide form and mixed bed NRW600+NRW100 ion exchange was investigated with static experiments. Anion exchange resin was saturated with 0.1?45 g/dm3 concentration boric aci...
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