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Katarzyna Leszczynska-Sejda, Andrzej Chmielarz, Dorota Kopyto, Michal Ochmanski, Grzegorz Benke, Arkadiusz Palmowski, Agnieszka Sobianowska-Turek, Przemyslaw Los, Agnieszka Fornalczyk, Michal Zygmunt and Karolina Goc
This paper presents comparative experimental results for the single-stage and two-stage counter-current acid leaching of battery masses, with the addition of a booster, from different types of LIB waste. Three different types of battery masses were used ...
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Karla Y. Mora-Bonilla, Iván F. Macías-Quiroga, Nancy R. Sanabria-González and María T. Dávila-Arias
The present study investigated the degradation of an aqueous Allura Red AC (AR?AC) solution by activating hydrogen peroxide with bicarbonate using cobalt ion (Co2+) as the catalyst. Four independent variables (H2O2, NaHCO3, Co2+, and dye concentrations) ...
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Cem Örnek, Kemal Davut, Mustafa Kocabas, Aleyna Bayatli and Mustafa Ürgen
The corrosion morphology in grade 2205 duplex stainless steel wire was studied to understand the nature of pitting and the causes of the ferrite phase?s selective corrosion in acidic (pH 3) NaCl solutions at 60 °C. It is shown that the corrosion mechanis...
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Nataliya Grynchenko,Olga Tishchenko,Olga Grynchenko,Pavlo Pyvovarov
Pág. 13 - 23
This paper reports the development of technological principles for making granulated fillers. Our study involved model systems (granules), which has made it possible to determine the conditions for forming alginate-calcium complexes. It has been establis...
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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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Lydmila Vinnikova,Olha Synytsia,Halyna Shlapak,Nadiia Azarova,Oleg Glushkov
Pág. 33 - 39
Conditions of post-pasteurization of whole-muscle gourmet meat products have been developed. They make it possible to extend shelf life of the product without change of its organoleptic characteristics.Effect of short-term thermal treatment of the ready-...
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Muna, B. Abdulazeez, Mustafa M. Haider
Pág. 1 - 9
Introduction: Citric acid (2-hydroxy-propane-1, 2, 3-tricarboxylic acid) was first isolated from lemon juice in 1784. It is a primary metabolic product which is formed in the tricarboxylic acid (Krebs) cycle. It is estimated that the market value of citr...
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Leandro Goulart De Araujo and Júlio Takehiro Marumo
One of the most common treatment methods for spent ion exchange resins is their immobilization in cement, which reduces the release of radionuclides into the environment. Although this method is efficient, it considerably increases the final volume of th...
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Liyun Yang, Maomao Yang, Ping Xu, Xiancong Zhao, Hao Bai, Hong Li
Pág. 1 - 17
Steel slag, which makes up a gigantic amount of metallurgical industrial solid waste, was in this experiment successfully synthesized an inexpensive adsorbent used to remove nitrate pollution from aqueous solution. This adsorbent was obtained by mixing s...
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Maria Filomena Camões and Bárbara Anes
Free acidity of aqueous solutions was initially defined in 1909 by Søren Peter Lauritz Sørensen as pH = -lgcH+ (c/mol·dm-3 or m/mol·kg-1 of the free hydrogen ions in solution, H+) soon (1910) was changed to pH = paH+ = -lgaH+, integrating the new concept...
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