Results 51 to 60 of about 366,945 (207)

Composite well washing and production improvement technology of low-yield coalbed methane horizontal wells

Meitan xuebao
Coal slime output poses a common challenge during the coalbed methane drainage process, leading to a decrease in coalbed methane well productivity. The coal slime samples of low-yield coalbed methane wells in No.
Jingjing ZHANG, Shengyong HU, Tianyu SUN, Xiuwei SUN, Ruijin ZHAO, Shuyun GUO, Zixiang WANG, Xinrong REN   +7 more
doaj   +1 more source

Effect of concentrated brine on coal slurry stability and sedimentation

矿业科学学报, 2020
In order to solve the problem of comprehensive utilization of concentrated brine in coal chemical industry, the flocculating settlement test was carried out by using concentrated brine instead of coagulant in coal chemical industry, and the effect of pH ...
Xu Hongxiang, Wang Jingzheng, Ning Kejia, Xia Tian, Li Meiyu, Qin Qizheng   +5 more
doaj   +1 more source

The OCO‐2 and OCO‐3 ACOS Version 11 XCO2 Data Products: A Benchmark Record for Space‐Based Global Carbon Cycle Research

Earth and Space Science, Volume 13, Issue 10, October 2026.
Abstract NASA's Orbiting Carbon Observatory‐2 (OCO‐2) and OCO‐3 have been observing Earth's atmosphere from space since September 2014 and August 2019, respectively. The version 11 (v11) Atmospheric Carbon Observations from Space (ACOS) Level 2 full physics (L2FP) retrieval algorithm has been used to provide estimates of the column‐averaged dry‐air ...
Thomas E. Taylor, Christopher W. O’Dell, Albert Chang, Abhishek Chatterjee, Cecilia Cheng, Lan Dang, Saswati Das, Brendan Fisher, Dejian Fu, Jonathan Hobbs, Nicole Jacobs, Graziela R. Keller, William Keely, Matthäus Kiel, Le Kuai, Thomas Kurosu, Alyn Lambert, Otto Lamminpää, Joshua Laughner, Richard Lee, Junjie Liu, Yuliya Marchetti, Steffen Mauceri, Gregory McGarragh, Aronne Merrelli, Robert R. Nelson, Greg Osterman, Fabiano Oyafuso, Sudhanshu Pandey, Vivienne H. Payne, Elise Rimsa, Robert Rosenberg, Dustin Roten, Edwin Sarkissian, Kacie Shelton, Gary Spiers, Cathy To, Paul O. Wennberg, Jia Zong, David F. Baker, Sourish Basu, Frédéric Chevallier, Sean Crowell, Liang Feng, Paul I. Palmer, Brad Weir, Kristan Morgan, Andrey Savtchenko, Matthias Buschmann, Nicholas M. Deutscher, Rigel Kivi, Manvendra Dubey, Frank Hase, Isamu Morino, Justus Notholt, Hirofumi Ohyama, Christof Petri, Markus Rettinger, Kimberly Strong, Ralf Sussmann, Yao Té, Voltaire A. Velazco, Thorsten Warneke, Debra Wunch, Minqiang Zhou, Dave Crisp, Annmarie Eldering, Mike Gunson   +67 more
wiley   +1 more source

Technique of complex slime water treatment of coal-mining branch [PDF]

, 2007
The possibility of complex slime water treatment at coal-mining and coal-treating plants producing marketable products: power-generating concentrate, coal-water fuel, magnetic fraction, industrial water is shown.
Solodov, G. А., Nevedrov, А. V., Papin, А. V., Zhbyr, Е. V.   +3 more
core  

Effect of the Polymerized Titanium Ferric Sulfate (PTFS) Coagulant on Sedimentation of Coal Slime Water

, 2021
High efficiency slime water settlement is very important for ensuring washing water recycling in coal preparation plants. In order to improve the sedimentation of coal slime water, an iron ion-based coagulant was prepared by titanium ion complexation ...
Yang Li, De Guo, Ligang Tang, Changsheng Shi, Zhenxing Zhang   +4 more
core   +1 more source

Multiscale influence mechanism of mechanical energy input on flocculation and sedimentation characteristics of coal slime and reagent optimization

Meitan xuebao
As the source technology for the clean processing and utilization of coal, wet separation in coal preparation generates a large amount of coal slime water with a particle size of less than 0.5 mm.
Jie FENG, Hongzheng ZHU, Xiaojian WANG, Zihan JI, Man ZHANG, Kun CHEN, Fanfei MIN   +6 more
doaj   +1 more source

Dephosphorization Behavior of High-Phosphorus Oolitic Hematite-Solid Waste Containing Carbon Briquettes during the Process of Direct Reduction-Magnetic Separation

Metals, 2018
In this paper, the process of direct reduction roasting using magnetic separation to produce direct reduction iron (DRI) from high-phosphorus oolitic hematite, using coal slime and blast furnace dust as reductant, is investigated.
Yunye Cao, Yiran Zhang, Tichang Sun
doaj   +1 more source

‘More Beastliness Than Beauty’: Gendering Pica in Seventeenth‐Century English Medicine and Culture

Gender &History, Volume 38, Issue 3, Page 752-764, October 2026.
ABSTRACT Today, defined as the ‘persistent eating of non‐nutritive substances’, pica is a lesser‐known eating disorder with a long history. Defined in early modern England as the ‘desire to eat absurd things’, pica was explicitly gendered, associated with pregnant women and pubescent girls.
Helena C. Aeberli
wiley   +1 more source

Comprehensive Review on Green Transformation of Organic Waste Into Bioenergy Using Microbial Enzymes: Advances, Challenges, and Future Strategies

GCB Bioenergy, Volume 18, Issue 9, September 2026.
Microbial enzyme‐mediated biorefineries enable the sustainable conversion of organic waste into renewable bioenergy and value‐added products. Recent advances on enzymatic pretreatment, enzyme cocktails, and hybrid processing enhance biogas, bioethanol, and biodiesel production, along with supporting efficient waste valorization, circular bioeconomy ...
Divya Divakaran, Indran Suyambulingam, Ananth Selvan, Nadir Ayrilmis, P. Merlin Christy, M. Gomathi, P. Senthamaraikannan   +6 more
wiley   +1 more source

Study on Flotation Test of Gansu Fatty Coal Enhanced by 2-Octanol Emulsion

Taiyuan Ligong Daxue xuebao
[Purposes] In order to recover fine coal more efficiently and explore the flotation characteristics of 2-octanol emulsion, Gansu fatty coal is taken as a research object, a size-classifying flotation experiment is designed.
TIAN Buling, LI Weiwei, YE Guichuan, CUI Haoran   +3 more
doaj   +1 more source