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Li Fu, Kefeng Xie, Huaiwei Zhang, Yuhong Zheng, Weitao Su and Zhong Liu
A multi-walled carbon nanotube (MWCNT)-coated indium tin oxide (ITO) slide was used as a platform for the growth of a silver dendrite (Ag-D) film using cyclic voltammetry. The particular dendritic nanostructures were formed by the diffusion-limited-aggre...
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Li Fu, Kefeng Xie, Huaiwei Zhang, Yuhong Zheng, Weitao Su and Zhong Liu
A multi-walled carbon nanotube (MWCNT)-coated indium tin oxide (ITO) slide was used as a platform for the growth of a silver dendrite (Ag-D) film using cyclic voltammetry. The particular dendritic nanostructures were formed by the diffusion-limited-aggre...
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Fatma Fakhfakh, Sahar Raissi, Karim Kriaa, Chemseddine Maatki, Lioua Kolsi and Bilel Hadrich
The olive mill wastewater (OMW) treatment process is modeled and optimized through new design of experiments (DOE). The first step of the process is coagulation?flocculation using three coagulants (modeled with the mixture design) followed by photo-degra...
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Wenquan Sun, Zhiqiang Xiao, Yongjun Sun, Lei Ding and Jun Zhou
In this paper, a high-efficiency and stable Cu-Ce@?-Al2O3 catalyst was prepared by taking the reverse osmosis (RO) concentrated water of a sewage treatment plant as the treatment object and activated alumina as the carrier. The preparation factors that a...
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Xiaochen Xu, Yanfang Li, Guoquan Zhang, Fenglin Yang and Ping He
Magnetic spinel ferrites that act as heterogeneous catalysts and generate powerful radicals from peroxymono-sulfate (PMS) for the degradation of organic pollutants have received much attention in recent years due to the characteristic of environmental be...
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Amin Barani, Seyedeh Roya Alizadeh and Mohammad Ali Ebrahimzadeh
The increase in economic activities and the industrialization of countries have caused the growth of pollution created by waste and sewage. In particular, the textile industry produces large amounts of liquid contaminants due to the large amounts of wate...
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Yuting He, Jiantao Lin, Yuchuan Yang, Minghua Liu and Yifan Liu
Modified sludge biochar, recognized for its notable economic and environmental benefits, demonstrates potential as an effective catalyst for peroxydisulfate (PDS) activation. Nevertheless, the specific mechanisms underlying its catalytic performance requ...
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Jiafan Wang, Jorgelina Farias, Abhishek Tiwary, George Chi Tangyie and Katherine Huddersman
Bisphenol A (BPA) is a well-known endocrine disruptor in the environment which is not readily oxidised during wastewater treatment at Municipal Authorities. The aim of this work is to evaluate the environmental value of the wastewater treatment of a nove...
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Po-Hsin Mao, Ta Cong Khiem, Eilhann Kwon, Hou-Chien Chang, Ha Manh Bui, Xiaoguang Duan, Hongta Yang, Suresh Ghotekar, Wei-Hsin Chen, Yu-Chih Tsai and Kun-Yi Andrew Lin
Bis(4-hydroxyphenyl)methanone (BHPM), a common ultraviolet stabilizer and filter (USF), is extensively added in sunscreens; however, BHPM is proven as an endocrine disruptor, posing a serious threat to aquatic ecology, and BHPM should be then removed. As...
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Bahareh Montazeri, Olga Koba-Ucun, Idil Arslan-Alaton and Tugba Olmez-Hanci
The degradation of iprodione (IPR), a once frequently used but recently banned dicarboximide fungicide, by UV-C light-, zero-valent iron- (ZVI), and zero-valent aluminium (ZVA)-activated persulfate (PS) oxidation processes was comparatively studied in di...
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Seonghun Kim
Mushroom ligninolytic enzymes are attractive biocatalysts that can degrade lignin through oxido-reduction. Laccase, lignin peroxidase, manganese peroxidase, and versatile peroxidase are the main enzymes that depolymerize highly complex lignin structures ...
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Yage Zhang, Wei Lu, Jin Wang, Ming Chen, Wei Zhang, Min Lin, Zhengfu Zhou and Zhu Liu
Cold-adapted esterases are attracting increasing attention owing to their prospective use in biotechnology. In this study, a novel cold-adapted family ? esterase EstDR4 was identified and obtained from extremophile Deinococcus radiodurans (D. radiodurans...
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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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Jung Kyu Kim
A conformal titanyl phosphate passivation with the thickness of ca. 5 nm on the surface of TiO2 nanoparticles for enhancing the photocatalytic degradation of organic pollutants and hydrogen production is described. The phosphate anion species bound to th...
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Marco Laurenti and Valentina Cauda
Zinc oxide (ZnO) thin films have been widely investigated due to their multifunctional properties, i.e., catalytic, semiconducting and optical. They have found practical use in a wide number of application fields. However, the presence of a compact micro...
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Erika Szabados, Andrea Jobbágy, András József Tóth, Péter Mizsey, Gábor Tardy, Cesar Pulgarin, Stefanos Giannakis, Erzsébet Takács, László Wojnárovits, Magdolna Makó, Zénó Trócsányi, Antal Tungler
Pág. 76 - 90
A complex treatment of process wastewaters (PWW) of the pharmaceutical industry has been elaborated, the objective was their common disposal and utilization. The biodegradability of polluting components is concentration dependent, the mixing of PWWs with...
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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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György Onyestyák
Pág. 270 - 277
Acetic acid (AA) hydroconversion was studied over various monometallic (Fe, Co, Ni, Cu, Zn, Pt) and bimetallic (doped with In as second, guest metal) catalysts loaded on a highly mesoporous, fumed silica support. The transformations were investigated in ...
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Ishaq Ahmad and Chi-wai Kan
We report here the photo-catalytic properties of dye-sensitized TiO2-coated cotton fabrics. In this study, visible-light-driven, self-cleaning cotton fabrics were developed by coating the cotton fabrics with dye-sensitized TiO2. TiO2 nano-sol was prepare...
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Fanrong Kong, Jin Liu, Zaixin Xiang, Wei Fan, Jiancong Liu, Jinsheng Wang, Yangyang Wang, Lei Wang and Beidou Xi
Recently, biochar has emerged as a promising option for environmentally friendly remediation due to its cost-effectiveness, extensive surface area, porosity, and exceptional electrical conductivity. Biochar-based advanced oxidation procedures (BC-AOPs) h...
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