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Ishanka Prabhath Wimalaweera, Yuansong Wei, Tharindu Ritigala, Yawei Wang, Hui Zhong, Rohan Weerasooriya, Shameen Jinadasa and Sujithra Weragoda
The efficiency of magnetic seed coagulation (MSC) with pH adjustment by NaOH and Ca(OH)2 as a pretreatment for high-strength natural rubber industrial wastewater (NRIWW) was compared in this study. The high content of suspended solids (SSs) and other inh...
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Katherine A. Muller and C. Andrew Ramsburg
Among the most common amendments added to groundwater during site remediation are compounds used to adjust or maintain the pH. This research describes an approach to encapsulate mineral particles (MgO and CaCO3) within oil droplets suspended within an aq...
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Sabrina Mechati, Meriem Zamouche, Hichem Tahraoui, Oumaima Filali, Safa Mazouz, Iheb Nour Elhak Bouledjemer, Selma Toumi, Zakaria Triki, Abdeltif Amrane, Mohammed Kebir, Sonia Lefnaoui and Jie Zhang
This study conducts a comprehensive investigation to optimize the degradation of crystal violet (CV) dye using the Fenton process. The main objective is to improve the efficiency of the Fenton process by optimizing various physicochemical factors such as...
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Rihong Zhang, Zhenhao Wang, Xiaomin Li, Zipeng She and Baoe Wang
Water quality sampling and monitoring are fundamental to water environmental protection. The purpose of this study was to develop a water quality sampling and multi-parameter monitoring system mounted on a multi-rotor unmanned aerial vehicle (UAV). The s...
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Xin Ma, Lei Zheng, Zifu Li, Lingling Zhang, Shikun Cheng and Xuemei Wang
This study explored the nitrate reduction by Al-Fe alloy. The nitrate conversions of fresh, 30-day and 90-day alloys were 78.1%, 42.8% and 9.5%, respectively. Water activation promoted the reducing ability of the alloy (98% nitrate removal), which was hi...
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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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Andressa Caroline Neves, Cristina Zanette, Schaiana Tamara Grade, Jéssica Vanessa Schaffer, Helton José Alves, Mabel Karina Arantes
Pág. 125 - 133
Freshwater shrimp shells from the shrimp farming activity in tanks, were processed for biological extraction of chitin, by fermentation with Lactobacillus plantarum isolated from meat products, offering an advantageous demineralization and deproteination...
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Weijia Gong, Lina Luo, Wenzhe Li, Xinsheng Luo, Heng Liang, Huu Hao Ngo, Wenshan Guo
Pág. 1 - 8
Anaerobic digestate from cattle manure fermentation may pose a threat to the environment. How to stabilize the digestate?s characteristics so that they do not disturb the bio-system is a critical issue for digestate management. Chemically enhanced primar...
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Affonso Celso Gonçalves Junior, Gustavo Ferreira Coelho, Daniel Schwantes, Angela Laufer Rech, Marcelo Ângelo Campagnolo, Alisson Junior Miola
Pág. 361 - 370
Current analysis investigates the capacity of the açaí endocarp (Euterpe oleracea M.) as a biosorbent for the removal of Cu2+ and Zn2+ in monoelementary water solutions. The best conditions for the ion adsorption process were pH of the solution at 4.0; 8...
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Thaís Moron Machado, Yara Aiko Tabata, Neuza Sumico Takahashi, Luiz Miguel Casarini, Cristiane Rodrigues Pinheiro Neiva, Marcelo Barbosa Henriques
Pág. 233 - 240
The caviar substitute is obtained from processed fish roe, resulting in a product similar to the authentic caviar, prepared with sturgeon roe. The objective of this study was to develop a caviar substitute from roes of rainbow trout, Oncorhynchus mykiss....
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