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Alireza Kakoee, Jacek Hunicz and Maciej Mikulski
This paper presents a comprehensive investigation into the design of a methane oxidation catalyst aftertreatment system specifically tailored for the Wärtsilä W31DF natural gas engine which has been converted to a reactivity-controlled compression igniti...
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Shangye Chu, Xu Zeng, Hai Lin and Yuting Zhu
The performance of catalytic wet oxidation of excess activated sludge derived from pharmaceutical wastewater treatment over a Cu/?-Al2O3 catalyst was investigated. The experiments were performed with a stainless steel autoclave reactor by using the prepa...
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Alejandro Jiménez, Marta Valverde, Alexander Misol, Raquel Trujillano, Antonio Gil and Miguel Angel Vicente
Aluminum from saline slags generated during the recycling of this metal, extracted under reflux conditions with aqueous NaOH, was used in the synthesis of hydrocalumite-type solids with the formula Ca2Al1?mFem(OH)6Cl·2H2O. The characterization of the obt...
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Carlos Arnaiz del Pozo, Schalk Cloete, Ángel Jiménez Álvaro, Felix Donat and Shahriar Amini
The hydrogen economy has received resurging interest in recent years, as more countries commit to net-zero CO2 emissions around the mid-century. ?Blue? hydrogen from natural gas with CO2 capture and storage (CCS) is one promising sustainable hydrogen sup...
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Jin Ni, Huimin Shi, Yuansheng Xu and Qunhui Wang
Dye wastewater, as a kind of refractory wastewater (with a ratio of biochemical oxygen demand (BOD) and chemical oxygen demand (COD) of less than 0.3), still needs advanced treatments in order to reach the discharge standard. In this work, the recycling-...
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Sang Yun Jeong, Jaesun Song and Sanghan Lee
Solar-driven water splitting technology is considered to be a promising solution for the global energy challenge as it is capable of generating clean chemical fuel from solar energy. Various strategies and catalytic materials have been explored in order ...
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Haithem Bel Hadjltaief, Ali Sdiri, María Elena Gálvez, Haythem Zidi, Patrick Da Costa and Mourad Ben Zina
This paper describes a simple and low-cost process for the degradation of 4-Chlorophenol (4-CP) from aqueous solution, using natural Tunisian Hematite (M1) and Siderite (M2). Two natural samples were collected in the outcroppings of the Djerissa mining s...
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Ruifeng Zhang, Tinglin Huang, Gang Wen, Yongpan Chen, Xin Cao and Beibei Zhang
An iron-manganese co-oxide filter film (MeOx) has been proven to be a good catalyst for the chemical catalytic oxidation of ammonium in groundwater. Compared with groundwater, surface water is generally used more widely and has characteristics that make ...
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Piotr Kaminski
Ceria, zirconia, and mixed cerium-zirconium mesoporous oxides were synthesized and used as supports for sulfur and gold species. The materials were characterised using selected advanced techniques (Inductively Coupled Plasma Optical Emission Spectrometry...
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Judith M. Schicks, Erik Spangenberg, Ronny Giese, Manja Luzi-Helbing, Mike Priegnitz and Bettina Beeskow-Strauch
Since huge amounts of CH4 are bound in natural gas hydrates occurring at active and passive continental margins and in permafrost regions, the production of natural gas from hydrate-bearing sediments has become of more and more interest. Three...
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