Results 41 to 50 of about 223 (50)

Mechanism of effect of polyacrylamide agent residue on flotation effect of low rank coal

open access: yesMeitan kexue jishu
The influence mechanism of polyacrylamide (PAM) residue on the flotation of low rank coal during coal slurry water treatment is investigated using low rank coal from the Panji and Pan Yidong Coal Processing Plants in the Huainan Mining Area.
Longxiang BAO   +4 more
doaj   +1 more source

Coal slime flotation foam image classification method based on semi-supervised clustering

open access: yesGong-kuang zidonghua, 2019
In order to solve problems of subjectivity, hysteresis and extensiveness existed in reagent amount addition of coal slime flotation in coal preparation plant depended on manual intervention, a coal slime flotation foam image classification method based ...
CAO Wenyan   +4 more
doaj   +1 more source

Thermochemical utilization of low rank coal and flotation concentrate

open access: yesJournal of Sustainable Mining, 2019
Flotation concentrates are waste material from coal mine operation. The process of steam gasification seems to be an attractive option for their economic utilization and an alternative to their potential combustion in boilers. The gasification process is
Rafał Gąsior, Adam Smoliński
doaj   +1 more source

The valuation of trends flotability of non-burnt coal residuals /combustibe components from fly ash. [PDF]

open access: yesActa Montanistica Slovaca, 2004
Possibilities of the utilisation of energetical wastes in civil engineering applications is limited due to the content of residuals of non-burnt coal, magnetite iron, refined fly ash.
Benková Marta
doaj  

Study on Flotation of Low-rank Coal Slime with Binary Mixed Collector

open access: yesKuangchan zonghe liyong
In order to improve the collection performance of diesel on low-rank slime flotation, the binary mixed collector prepared by compounding diesel and oleic acid was used as the collector for low-rank slime flotation in this study.
Cheng GAN   +5 more
doaj   +1 more source

Influence of the carbon atom numbers and the structure of collectors on the coal fines flotation

open access: yesCogent Engineering, 2017
This paper highlighted measuring the contact angle, the wetting heat and the IR spectrum before and after interactions between eight alkanes and coals to investigate the influence of the alkane structure and the number of carbon atoms on the coal surface
Wenze Kang, Jun Hu
doaj   +1 more source

Influences of sodium hexametaphosphate on interactions of coal and clay particles in flotation

open access: yes矿业科学学报, 2016
The influences of sodium hexametaphosphate on interfacial properties of fine minerals in coal flotation were investigated by many tests,including flotation,Zeta potential measurement,adsorptive capacity and theoretical calculations of extended DLVO.The ...
Xu Dongfang   +3 more
doaj  

Intelligent prediction of clean coal ash content based on multi-source heterogeneous information fusion

open access: yesGong-kuang zidonghua
To address the issue that X-ray detection alone is insufficient to fully capture the complex material changes during the flotation clean coal process, an intelligent flotation system based on multi-source heterogeneous information fusion, integrating X ...
CHENG Rongjie, CUI Teng
doaj   +1 more source

Reflotation of Coal Slurries from OKD company, Mine Lazy [PDF]

open access: yesActa Montanistica Slovaca, 2003
The goal of the work is a verification of selective flotation on the black coal slurries sampled from slurry ponds of Mine Lazy, OKD company. Reflotation was realized with 6 collectors: Flotakol NX, Flotalex Ekofol 440, Montanol, MP 125 and AF 2.
Èernotová L.   +4 more
doaj  

Effect and Mechanism of Nanobubbles Flotation for Fine Coal

open access: yesKuangchan zonghe liyong
This is is an article in the field of mineral processing engineering. In this study, the controllable factors such as the amount of collector used in the flotation, the amount of foaming agent, the ore feeding rate and the aeration amount were changed,we
Siyao GUO   +4 more
doaj   +1 more source

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