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Hanna Prokkola, Emma-Tuulia Nurmesniemi and Ulla Lassi
Precipitation of metals as metal sulphides is a practical way to recover metals from mine water. Sulphide precipitation is useful since many metals are very sparingly soluble as sulphides. Precipitation is also pH dependent. This article investigates the...
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Syarifah Nurul Ezzah Syed Idrus
Pág. 21
Hydrogen sulphide pollution causes industry to invest large amount of money to treat it and, exposure of this pollutant at high concentration may lead to death. To treat sulphide pollutions, sulphur oxidising bacteria (SOB) can be used as it consumes sul...
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Petr Hlu?tík and Jirí Novotný
This article focuses on the subject of odours forming in sewage transfer chambers with displacement inlets, as well as the odours in their vicinity. It further covers the locations of odour formation, factors influencing the formation of hydrogen sulphid...
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Andres Adrian Sánchez Escalona,Ever Góngora Leyva
Pág. 203 - 212
Los procesos de transferencia de energía térmica son problemas importantes a resolver en el campo de la ingeniería. En este ámbito, los intercambiadores de calor son uno de los equipos más usados en la industria. La presente investigación se realizó en u...
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Karolina Kapsa
Pág. 59 - 72
Biogas plays an important role in renewable energy production. Biogas plants are small-scale energy plants, facing numerous risks in daily operations. Production of biogas may cause danger for life and health by suffocation or poisoning due to presence o...
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Renjun Ruan, Jiashun Cao, Chao Li, Di Zheng and Jingyang Luo
In this study, micro-oxygen was integrated into a rusty scrap iron (RSI)-loaded anaerobic digester. Under an optimal RSI dosage of 20 g/L, increasing O2 levels were added stepwise in seven stages in a semi-continuous experiment. Results showed...
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Jan Moestedt, Sören Nilsson Påledal, Anna Schnürer and Erik Nordell
With the increasing demand for renewable energy and sustainable waste treatment, biogas production is expanding. Approximately four billion litres of bio-ethanol are produced annually for vehicle fuel in Europe, resulting in the production of large amoun...
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Tsietsi J. Pilusa, Robert Hughes, Edison Muzenda
In this study, flue gas emissions from combustion of eco-fuel briquettes in a ceramic lined stove were investigated. The eco-fuel briquettes were made of biomass such as spent coffee beans, mielie husks, saw dust, paper pulp and coal fines using a hand o...
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J. Luo , M. Kulasegarampillai, N. S. Bolan , A. Donnison
Pág. 545 -
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