Results 31 to 40 of about 200,132 (163)

Evaluación de oxidación bacteriana de sulfuros con Acidithiobacillus ferrooxidans mediante pruebas de FTIR y difracción de rayos X Evaluating Acidithiobacillus ferrooxidans bacterial oxidation of sulphur compounds using FTIR and X-ray diffraction assays

Revista Colombiana de Biotecnología, 2003
Una cepa bacteriana nativa con capacidad de oxidar hierro ferroso y compuestos del azufre fue aislada a partir de efluentes y material de la mina de oro La Maruja, en el municipio de Marmato (Caldas), la cual fue identificada bioquímicamente como ...
Ruiz Orlando, Lemehsko Victor, Montoya Olga I., Márquez Marco A., Muñoz Alexandra   +4 more
doaj   +2 more sources

Catalytic Activity of Oxidation Pretreated Hastelloy for Methanol Steam Reforming

Chemical Engineering Transactions, 2017
Hastelloy, a Ni containing alloy, was investigated to improve its catalytic activity on bio-oil steam reforming by oxidation pretreatment. Methanol as the major composition of bio-oil was used as a model compound.
T. Jiwanuruk, H. Yamada, T. Tagawa, S. Putivisutisak, S. Assabumrungrat   +4 more
doaj   +1 more source

The Adhesion and Moisture Damage Resistance between Castor Oil-Based Bio-Asphalt and Aggregates under the Action of Thermal-Oxidative Aging

Applied Sciences, 2023
This study aims to investigate the adhesion properties and moisture damage resistance between castor oil-based bio-asphalt (COBA) and aggregates under the action of thermal oxidation.
Ran Zhang, Qingwen Shi, Pengkun Hu, Jie Ji, Long Wen   +4 more
doaj   +1 more source

Genotoxic and Mutagenic Assessment Induced by Vinasse, Before and After Being Subjected to Bio-oxidation and Fenton Processes.

Vitae
Background: Colombia is joining global initiatives to mitigate climate change through bioethanol production, as it has large sugar cane plantations and sugar mills, particularly in the Valle del Cauca region. One of the main by-products of the bioethanol
Iván Meléndez Gélvez, Diego Alberto Salazar Moncada, Elkín Johan Granados Vega, Jennifer Carolina Soledad Maldonado, Carlos Alberto Peláez Jaramillo   +4 more
doaj   +1 more source

Assessment of the induced effect of selected iron hydroxysulfates biosynthesized using Acidithiobacillus ferrooxidans for biomineralization of acid mine drainage

Water Science and Technology, 2023
Soluble iron and sulfate in acid mine drainage (AMD) can be greatly removed through the formation of minerals facilitated by seed crystals. However, the difference in the effects of jarosite and schwertmannite as endogenous seed crystals to induce AMD ...
Heru Wang, Qian Guo, Zehao Guo, Haowei Luo, Honghu Li, Jun Yang, Yongwei Song   +6 more
doaj   +1 more source

Environmental and Taxonomic Bacterial Diversity of Anaerobic Uranium(IV) Bio-Oxidation [PDF]

Applied and Environmental Microbiology, 2011
ABSTRACTMicroorganisms in diverse terrestrial surface and subsurface environments can anaerobically catalyze the oxidative dissolution of uraninite. While a limited quantity (∼5 to 12 μmol liter−1) of uranium is oxidatively dissolved in pure culture studies, the metabolism is coupled to electron transport, providing the potential of uraninite to ...
Weber, Karrie A., Thrash, J. Cameron, Van Trump, J. Ian, Achenbach, Laurie A., Coates, John D.   +4 more
openaire   +2 more sources

Manometric Studies on the Bio-oxidation of Histamine

Experimental Biology and Medicine, 1932
Best and McHenry1 reported observations on a histamine-inactivating substance or system which they denote as histaminase. They state that oxygen is consumed during this reaction but have postponed a detailed manometric study until obtaining a more concentrated histaminase preparation.
E. Gebauer-Fuelnegg, H. L. Alt
openaire   +1 more source

Study on coal gangue weathering into soil and carbon emission reduction based on gas bio-oxidation

Meitan xuebao
Both coal gangue and gas are the main by-products in the process of coal mining. The direct discharge of low concentration of gas easily causes carbon emission and resource waste, the large accumulation of coal gangue destroys the ecological environment,
Xuewei HU, Yang YANG, Qing ZHANG, Ting LI, Xinguang ZHANG, Qun ZHAO, Senlin TIAN, Haoran SONG   +7 more
doaj   +1 more source

Microwave-assisted Liquefaction of Rape Straw for the Production of Bio-oils

BioResources, 2017
The acid-catalyzed liquefaction of rape straw in methanol using microwave energy was examined. Conversion yield and energy consumption were evaluated to profile the microwave-assisted liquefaction process. Chemical components of the bio-oils from various
Xing-Yan Huang, Feng Li, Jiu-Long Xie, Cornelis F. De Hoop, Chung-Yun Hse, Jin-Qiu Qi, Hui Xiao   +6 more
doaj   +1 more source

The first and low cost copper Schiff base/manganese oxide bio nanocomposite from unwanted plants as a robust industrial catalyst

Artificial Cells, Nanomedicine, and Biotechnology, 2020
In this paper, the first bio-nano colloid including manganese oxide nanoparticles and copper nanocomplex in the presence of Amaranthus spinosus as one unwanted plant was prepared (Mn3O4/CuL bio-nanocolloid).
Atena Naeimi, Sedighe Abbasspour, Seyedeh Atekeh Torabizadeh   +2 more
doaj   +1 more source