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Melody Ruvimbo Mukandi, Moses Basitere, Seteno Karabo Obed Ntwampe and Boredi Silas Chidi
The study focused on isolating bioflocculant-producing microorganisms from poultry slaughterhouse wastewater (PSW). Microorganisms (n = 20) were isolated, and the D2 isolate, identified as Bacillus megaterium using 16S rDNA and RpoD (sigma 70), had maxim...
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Byungwook Kim and Sanggeun Jeon
This paper presents a CMOS wideband amplifier operating in the full Ka-band, with a low gain variation. An inductive neutralization is applied to the amplifier to compensate for the gain roll-off in the high-frequency region. Neutralization inductance is...
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Yanjun Liu, Yifan Xue, Shuting Huang, Gang Xue and Qianfeng Jing
Reducing the carbon emissions of ships and increasing the utilization of marine renewable energy are the important ways to achieve the goal of carbon neutrality in ocean engineering. Establishing an accurate mathematical model is the foundation of simula...
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Di Zhou, Xide Liu and Chuangqi Chen
More economical and effective technology is being developedin the wastewater treatment process to deal with the products of phenylhydrazine hydrochloride (PHH). Fixed ammonium in the effluent is converted to free ammonia by utilizing the neutralization r...
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Guillermo Montero-Martínez,Joel Rivera-Arellano,Priyadarsi D. Roy,Anielka Rosado-Abón,Déborah Patricia Hernández-Nagay,Angélica Mendoza-Trejo,Gema Luz Andraca-Ayala
Pág. 331 - 346
We present concentrations of dissolved total carbon (TC) and organic carbon (OC) in rainwater samples collected in 2016 in the southern part of Mexico City in a preliminary study. TC ranged from 10 to 25 mgC L?1 and OC ? reported as non-purgable organic ...
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O. V. Berlov
Pág. 48 - 54
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Oscar Dario Guarín Villamizar, Sandra Milena Gómez Plata
Pág. 23 - 29
El relleno sanitario el Carrasco está ubicado al nororiente de Colombia en el municipio de Bucaramanga; el lixiviado que se genera por la degradación de las basuras provenientes de este municipio y su zona metropolitana lleva una gran contaminación a la ...
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N. N. Belyaev,V. M. Lisnyak
Pág. 151 - 155
The 2D numerical model was used to simulate the toxic gas neutralization when this gas flows from the opening in the cellar of the building. The helicopter is used to supply the neutralizer. The model is based on the K-gradient transport model and equati...
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M. M. Biliaiev,V. M. Lysniak
Pág. 91 - 95
The 3D CFD model to simulate the pollutant transfer and the process of neutralization of toxic gas after accidents was developed. The model is based on the transport gradient model. The results of numerical experiments are presented.
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M. M. Beliaiev,O. O. Verhun,Yu. V. Kovtun
Pág. 61 - 64
A numerical model was used to calculate the process of toxic gas neutralization. The 2D transport model is used to simulate the process. The implicit difference scheme was used. The rsults of numerical experiment are presented.
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O. M. Pshinko,M. M. Biliaiev,I. V. Kalashnikov
Pág. 76 - 80
A numerical model to calculate the process of ground waters protection from pollution with the use of neutralizer has been proposed. The model is based on the 2-D equations of filtration and admixture transfer. Results of numerical experiment are present...
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V. M. Lysniak
Pág. 24 - 28
A new method to calculate the process to NH3 cloud neutralization which is discharged from a helicopter. The method is based on the numerical model of the process. To simulate the process the 3D gradient model is used. The implicit difference scheme is u...
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Jabbar K Kassim
Pág. 9 - 19
Attempts have been made to evaluate four methods of quantitative determination of soil carbonates. Calcium carbonates equivalent were determined by the acid neutralization, calcimeter and acetic acid methods. Also, it obtains by the fourth methods when t...
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Kevinstiv Castro Huaman, Yaneth Vasquez Olivera, Vidal Aramburu Rojas, Luis Arauzo, Carlos Raymundo Ibañez and Francisco Dominguez
The necessity of mining valuable metals must be balanced with the safe and effective disposal or remediation of the resulting waste. Water, one of our most valuable resources, is a major component of the mining process, and its post-operation storage oft...
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Saulius Rudys, Andrius Laucys, Paulius Ragulis, Rimvydas Aleksiejunas, Karolis Stankevicius, Martynas Kinka, Matas Razgunas, Domantas Brucas, Dainius Udris and Raimondas Pomarnacki
The technologies of Unmanned Aerial Vehicles (UAVs) have seen extremely rapid development in recent years. UAV technologies are being developed much faster than the means of their legislation. There have been many means of UAV detection and neutralizatio...
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Reinier Van Noort, Pål Tore Mørkved and Siv Hjorth Dundas
The acidification of agricultural soils in high rainfall regions is usually countered by the application of finely ground calcite or dolomite. As this carbonate dissolves, soil pH is raised, but CO2 is released. Mining activities often produce large quan...
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Eduardo Leiva, Enzo Leiva-Aravena and Ignacio Vargas
Acid mine drainage (AMD) is a complex environmental problem, which has adverse effects on surface and ground waters due to low pH, high toxic metals, and dissolved salts. New bioremediation approach based on microbial fuel cells (MFC) can be a novel and ...
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Eduardo Leiva, Enzo Leiva-Aravena, Ignacio Vargas
Pág. 1 - 9
Acid mine drainage (AMD) is a complex environmental problem, which has adverse effects on surface and ground waters due to low pH, high toxic metals, and dissolved salts. New bioremediation approach based on microbial fuel cells (MFC) can be a novel and ...
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V. M. Lysnyak
Pág. 138 - 142
A computer model to calculate the neutralization of ??N cloud is proposed. The model is based on the numerical integration of the 3-D gradient transport model. The results of numerical experiment are presented.
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Barna Czimer, András Kovács, József Petró
Pág. 215 - 220
Possible treatment options of spent Merox caustic waste have been explored for the sake of recommending a neutralization scheme that is not only affordable but promises modest profit and provides an environmentally benign technique that meets criteria of...
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