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Sunhwa Park, Hyeonhee Choi, Deok-Hyun Kim and Hyun-Koo Kim
In this work, a method of simultaneously analyzing pesticide concentration and assessing its risks was developed. Assessments were conducted to evaluate the distribution characteristics and risks to human health of pesticides in shallow groundwater in ag...
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Vincent Oriez, Nga Thi-Thanh Pham, Jérôme Peydecastaing, Philippe Behra and Pierre-Yves Pontalier
Sugarcane bagasse (SCB), a by-product of the sugar industry, is composed mainly of cellulose, hemicelluloses, and lignin, and can be used to replace petrochemical polymers in various applications. In this work, SCB was treated under mild alkaline conditi...
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Rosa E. A. Nascimento, Mónica Carvalheira, João G. Crespo and Luísa A. Neves
Each year, the amount of residue generated from food production increases, caused by the continuous population growth. Banana is one of the most consumed fruits in the world, with an annual production of 116.78 million tonnes. However, just 12 wt% of the...
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Aigul Koizhanova, Bagdaulet Kenzhaliyev, David Magomedov, Emil Kamalov, Mariya Yerdenova, Akbota Bakrayeva and Nurgali Abdyldayev
This paper provides an overview of hydrometallurgical copper extraction studies in which liquid extraction technology has been used with four copper deposits of different compositions. The sulfuric acid consumption rate and copper extraction efficiency, ...
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Jacqueline R. da S. Rodrigues, Ramon da S. Santos, Rayssa A. Matos, José C. M. Pires and Eva M. Salgado
Microalgae harvesting by coagulation can use coagulant agents such as alum, synthetic polymers or biocoagulants. Biocoagulants have attracted the attention of researchers because they are natural, biodegradable, and promote high microalgal harvesting eff...
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Evgeny Abakumov
Rendzinas in the taiga zone are intrazonal soils; moreover, all of their processes occur in ways that are different from podzolic soil formation, which is typical for the zonal taiga boreal ecosystem. At the same time, the habitats of carbonate soils are...
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Ulzhalgas Nazarbek, Perizat Abdurazova, Saule Nazarbekova, Dina Assylbekova, Maksat Kambatyrov and Yerkebulan Raiymbekov
Organomineral potassium humate was extracted from coal mining waste from the Lenger deposit (Turkestan region, Kazakhstan) by alkaline extraction using an aqueous solution of potassium hydroxide. The time and temperature of the process were investigated ...
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Emilio Ovando, Lucio Rodríguez-Sifuentes, Luz María Martínez and Cristina Chuck-Hernández
This study shows the use of a by-product from the manufacture of a novel antiseptic/disinfectant (HOCl) to obtain a protein isolate from defatted soybean flour (a co-product from the soybean oil industry); an optimization process was carried out to creat...
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Hassan Hadi Mehdi Al Rubaiy, Ammar Altemimi, Ali Khudair Jaber Al Rikabi, Naoufal Lakhssassi and Anubhav Pratap-Singh
The present study proposes microwave-assisted extraction as a sustainable technique for the biosynthesis of bioactive compounds from rice fermented with Aspergillus flavus (koji). First, fermentation conditions (i.e., pH from 3?12, five temperatures from...
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Kurnia Trinopiawan,Zaki Mubarok,Kurnia Setiawan Widana,Budi Yuli Ani,Yarianto Sugeng Budi Susilo,Riesna Prassanti,Iwan Susanto,Sulaksana Permana,Johny Wahyuadi Soedarsono
Pág. 24 - 30
Bangka Tin Slag (BTS) was a tin-smelting waste containing high silica and other elements that have high economic value, including cerium, which is a rare earth element. Silica and Ce2O3 contents in BTS were 32.86 % and 1.35 % respectively. Othe...
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