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Melody R. Mukandi, Moses Basitere, Seteno K. O. Ntwampe, Mahomet Njoya, Boredi S. Chidi, Cynthia Dlangamandla and Ncumisa Mpongwana
The poultry industry generates significant volumes of slaughterhouse wastewater, laden with numerous pollutants, thus requiring pretreatment prior to discharge. However, new technologies must be used to re-engineer the existing wastewater treatment equip...
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Amalia García-Valero, José Alberto Acosta, Ángel Faz, María Dolores Gómez-López, Dora María Carmona, Martire Angélica Terrero, Oumaima El Bied and Silvia Martínez-Martínez
The main objective of this study was to analyze the efficiency of CWs for purifying swine wastewater in order to reduce its pollutant load. The system included a pretreatment module (raw swine wastewater tank, phase separator, and settlement tank), and t...
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Dhriti Sharma, Savita Bhardwaj, Ali Raza, Rattandeep Singh, Dhriti Kapoor, Neeta Raj Sharma and P. V. Vara Prasad
Amplified concentrations of lead (Pb) in cultivable soils, being a major environmental concern, bring about malicious consequences for plant and human health. Trigonella foenum-graecum (fenugreek) is a multipurpose herb used as a spice, tonic, leafy vege...
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Alexey Abdrashitov, Alexander Gavrilov, Evgeny Marfin, Vladimir Panchenko, Andrey Kovalev, Vadim Bolshev and Julia Karaeva
One of the most well-known methods of intensifying the process of anaerobic digestion is the pretreatment of raw materials. For the first time, the use of a jet-driven Helmholtz oscillator for biomass pretreatment is proposed. The design of the device is...
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Piotr Kaminski, Katarzyna Tyskiewicz, Zygmunt Fekner, Marcin Gruba and Zbigniew Kobus
This study investigated the impact of subcritical water extraction parameters on the polyphenols and flavonoids content in extracts made of the bark of walnut (Juglans regia L.), as well as antioxidant activity measured using the DPPH and FRAP methods. T...
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Bonggil Hyun, Hyung-Gon Cha, Yeong-Kyu An, Yong-Seok Park, Min-Chul Jang, Pung-Guk Jang and Kyoungsoon Shin
To investigate the removal efficiency of the grinding device (GD) as a potential replacement for the pretreatment filtration device of ballast water, solid grinding and viability experiment were conducted according to a treatment flow rate of 5 tons (Pil...
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Yuhoon Hwang, Younggyo Seo, Seokoh Ko and Dogun Kim
Upflow granular media filtration devices are widely used for stormwater runoff treatment. However, the system performance is not well characterized due to the irregular removal of suspended solid (SS) in the pretreatment (sedimentation) chamber and, henc...
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Hongjiang Cui, Ying Guan and Wu Deng
Aiming at the problems of poor decomposition quality and the extraction effect of a weak signal with strong noise by empirical mode decomposition (EMD), a novel fault diagnosis method based on cascaded adaptive second-order tristable stochastic resonance...
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Sun-Hong Lee, Eun-Ji Shin, Kyung-Duk Zoh, Youn-Seok Kang and Jae-Won Choi
This study investigates the use of selected ion flow tube mass spectrometry with an automated headspace pretreatment system for the continuous surveillance of water quality at wastewater treatment plants (WWTPs) and rivers. The reaction rates of the targ...
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Cinthia I. G. Cedillo-Herrera, Adriana Roé-Sosa, Aurora M. Pat-Espadas, Karina Ramírez, Jaime Rochín-Medina and Leonel E. Amabilis-Sosa
Intensive agriculture has led to the increasing application of pesticides, such as malathion, thus generating large volumes of untreated cropland wastewater (CropWW). In this work, a hybrid system constructed wetlands (CW) coupled in continuous with an o...
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