Results 31 to 40 of about 1,918 (176)

Aplicação de técnicas eletroquímicas no estudo da dissolução oxidativa da covelita (CuS) por Thiobacillus ferrooxidans Electrochemical techniques applied to study the oxidative dissolution of the covellite: CuS by Thiobacillus ferrooxidans

Química Nova, 2002
Among the copper sulphides, chalcopyrite (CuFeS2), covellite (CuS) and chalcocite (Cu2S) are the most important source of minerals for copper mining industry.
Christiane Medina Teixeira, Ivan Ramires, Oswaldo Garcia Júnior, Antonio Carlos Guastaldi   +3 more
doaj   +1 more source

Analysis of the Distribution and Microscopic Characteristics and Disintegration Characteristics of Carbonaceous Rocks: A Case Study of the Middle Devonian Luofu Formation in Western Guangxi of China

Advances in Civil Engineering, Volume 2020, Issue 1, 2020., 2020
Carbonaceous rock is a special soft rock containing TOC organic carbon 6%∼40%. In order to reveal the influence of engineering characteristics of carbonaceous rock on the engineering construction, firstly the stratigraphic distribution of carbonaceous Rocks in Guangxi is investigated, and the genetic mechanism and tectonic environment of carbonaceous ...
Junhui Luo, Yong Wu, Decai Mi, Qiongyao Ye, Haifeng Huang, Zhenchao Chang, Qinglin Chen, Tao Zhang, Guanhua Sun, Xueheng Wang, Yu Wang, Xianlin Liu, Xue Zhang   +12 more
wiley   +1 more source

Recent knowledge about the role of bacterial adhesion in coal preparation [PDF]

Acta Montanistica Slovaca, 1998
V nadväznosti na flotáciu pyritu v uhlí sú zhrnuté súèasné poznatky o vplyve fyzikálno-chemických vlastností buneènej steny baktérie Thiobacillus ferrooxidans na jej adhéziu na povrch rôznych minerálov a uhlia.
Turèániová ¼udmila, Kupka Daniel, Škvarla Jiøí   +2 more
doaj  

Effect of heat treatment on bio-corrosion rate of steel structure (API 5L) in marine evironment

MATEC Web of Conferences, 2018
One of the cause of corrosion is the attachment of bacteria or commonly called as bio-corrosion or Microbial Influenced Corrosion (MIC). This aim of the research was to determine effect of heat treatment process on the bio-corrosion rate of API 5L steel.
Pratikno Herman, Titah Harmin Sulistiyaning, Syahputra Bima Ero Dwi   +2 more
doaj   +1 more source

The biocorrosion of building materials [PDF]

Acta Montanistica Slovaca, 2006
The aim of this work was a study concrete biocorrosion by iron and sulphur-oxidising bacteria and sulphate-reducing bacteria. Tests were conducted on the ground of two different approaches.
Alena Luptáková
doaj  

EFFECT OF BIOLEACHING ON THE YIELD AND COMPOSITION OF MEIHEKOU OIL SHALE (CHINA); pp. 174–184 [PDF]

Oil Shale, 2014
The paper focuses on investigating the impact of mineral compo­nents of Meihekou oil shale on the conversion of organic carbon from the oil shale into shale oil.
Xue-Qing Zhang, YU-HONG FEI, YA-SONG LI, BING ZHOU, HE-JUN REN, Lan-Ying Zhang   +5 more
doaj   +1 more source

The role of iron oxidizing bacteria to the quality of leachate on acid sulphate soil

Ilmu Pertanian (Agricultural Science), 2020
The problem encountered in acid sulphate soil is the presence of pyrite (FeS2) which causes soil  to have highly acid reaction when the pyrite is oxidized.
Khairatun Napisah, Azwar Maas, Sri Nuryani Hidayah Utami, Wahida Annisa Yusuf   +3 more
doaj   +1 more source

Recent Progress in CO2 Conversion: An Overview of Catalytic Strategies for Sustainable Fuel and Chemical Synthesis

SmartMat, Volume 6, Issue 6, December 2025.
This review systematically outlines recent advances in the catalytic strategies for converting CO₂ into valuable products, including photocatalysis, electrocatalysis, CO2 hydrogenation, photothermal catalysis, non‐thermal plasma, and biocatalytic processes.
An Zhang, Yanming Cai, Liang Guo, Chao Wang, Qingbo Wa, Yanping Xu, Jian Zhou, Hongshuang Fan, Ziyun Li, Xinyue Long, Jiabei Tang, Zijian Li, Li Zhai, Zhenyu Shi, Wei Zhai, Yuhui Tian, Shuai Bi, Hao Wei, Mingliang Hu, Yang Xu, Yiran Zhang, Yu Zhang, Ruiying Ding, Junjun Li, Shuangqun Chen, Jianfeng Huang, Zhanxi Fan, Xingchen Jiao, Guigao Liu, Haiqing Wang, Haifeng Tian, Jingyu Pang, Kuncheng Zhang, Weisong Liu, Huijuan Cui, Lingling Zhang, Xiaofu Sun, Jianling Zhang, Dan Ren, Sheng Zhang, Lu Qiao, Zhe Weng, Hongmei Li, Min Liu, Miao Zhong, Lei Wang, Jun Gu, Hao Bin Wu, Bolong Huang, Weijia Zhou, Chuan Xia, Min‐Rui Gao, Changbin Zhang, Rong Cao, Wei Chen, Yuan‐Biao Huang, Yongye Liang, Ya‐Qian Lan, Guoxiong Wang, Baoyu Xia, Yujie Xiong, Xinbin Ma, Tongbu Lu, Jinhua Ye, Yi Xie, Buxing Han, Jiawei Liu, Zhicheng Zhang, Hua Zhang   +68 more
wiley   +1 more source

Polythionate degradation by tetrathionate hydrolase of Thiobacillus ferrooxidans [PDF]

Microbiology, 1997
Cell-free extracts of Thiobacillus ferrooxidans grown with thiosulfate as energy source and prepared at high ammonium sulfate concentrations and at low pH are capable of polythionate hydrolysis. The enzyme responsible for the hydrolysis of tetrathionate (S4O2- 6) and pentathionate (S4O2- 6) was purified to ...
De Jong, G.A.H. (author), Hazeu, W. (author), Bos, P. (author), Kuenen, J.G. (author)   +3 more
openaire   +3 more sources

Isoxazole-based corrosion inhibitor for mild steel in acidic medium: adsorption, electrochemical, and computational studies

Discover Chemistry
A novel heterocyclic isoxazole compound was assessed as an efficient corrosion inhibitor for mild steel in 1 M HCl. The corrosion inhibition performance was systematically evaluated using gravimetric and electrochemical impedance spectroscopy techniques.
Abdelghani Sehmi, Farouk Boudou, Nouria Bouchikhi, Ahcene Ait Amer, Farouk Zaoui, Mourad Zebida, Omar Benali, Boumediene Lasri, Chems Eddine Gherdaoui   +8 more
doaj   +1 more source