Results 51 to 60 of about 138 (76)
Study on Acidizing Effect of β-Cyclodextrin-PBTCA Inclusion Compound With Sandstone
Journal of Petroleum Science and Engineering, 2011 Abstract One of the main stimulation techniques to enhance oil production in reservoirs is acid treatment. The acid that can decrease the corrosion rate with formations and may control the reaction is the key to a successful stimulation. In this study, a new supramolecular retarded acid system has been developed to treat the sandstone.
C.J. Zou, W.J. Liao, L. Zhang, H.M. Chen
exaly +3 more sources
Journal of Hazardous Materials, 2017 Plant washing agents-water-extracted from Coriaria nepalensis (CN), Clematis brevicaudata (CB), Pistacia weinmannifolia (PW) and Ricinus communis (RC)-are feasible and eco-friendly for soil heavy metal removal, but their single application has limited removal efficiency.
Shirong Zhang, Ting Li, Guiyin Wang
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Selective Inhibition Mechanism of PBTCA on Flotation Separation of Magnesite From Calcite
Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2021Abstract This research focused on the inhibition effect and mechanism of a selective depressant PBTCA (2-phosphonobutane-1,2,4-tricarboxylic acid) on flotation separation of magnesite from calcite. The inhibition effect of PBTCA was investigated through micro-flotation tests, and the results showed that PBTCA presented selective inhibition effect on ...
Wenqing Qin, Junwei Han, Wenhao Jia
exaly +2 more sources
Applied Surface Science, 2021
Abstract In this work, 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTCA) was explored as a novel sphalerite depressant in the selective flotation of galena from sphalerite. The separation performances were investigated by single and synthetic flotation tests.
Bingqiao Yang, Huanyu Zhu, Jinchan Feng
exaly +2 more sources
Abstract In this work, 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTCA) was explored as a novel sphalerite depressant in the selective flotation of galena from sphalerite. The separation performances were investigated by single and synthetic flotation tests.
Bingqiao Yang, Huanyu Zhu, Jinchan Feng
exaly +2 more sources
Journal of Colloid and Interface Science, 2000
The adsorption of 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTCA) on Al(2)O(3) powder has been studied as a function of pH and concentration. The adsorption density of PBTCA is found to decrease with an increase of pH. Zeta potential measurements show that the addition of PBTCA results in a dramatic increase in the absolute zeta potential, as well ...
Jingkun Guo, Yangqiao Liu
exaly +3 more sources
The adsorption of 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTCA) on Al(2)O(3) powder has been studied as a function of pH and concentration. The adsorption density of PBTCA is found to decrease with an increase of pH. Zeta potential measurements show that the addition of PBTCA results in a dramatic increase in the absolute zeta potential, as well ...
Jingkun Guo, Yangqiao Liu
exaly +3 more sources
Journal of Applied Polymer Science, 2019 ABSTRACTIn this study, hyperbranched polyether (HBP) with terminal hydroxyl was synthesized from tetrahydrofuran and glycidol by cationic open‐loop polymerization and then modified by 2‐phosphono‐butane‐1,2,4‐tricarboxylic acid to introduce carboxyl and phosphorus to improve corrosion and scale inhibition.
Yetao Wang +5 more
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Minerals Engineering, 2021
Abstract Cassiterite is the most purist tin-containing mineral and plays a dominative role in the tin resources. Owing to the limited selectivity of conventional collectors, the efficient separation of cassiterite from fluorite is normally difficult. Herein, 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTCA) was employed as an eco-friendly depressant
Xun Wang, Jie Liu, Yimin Zhu, Yanjun Li
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Abstract Cassiterite is the most purist tin-containing mineral and plays a dominative role in the tin resources. Owing to the limited selectivity of conventional collectors, the efficient separation of cassiterite from fluorite is normally difficult. Herein, 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTCA) was employed as an eco-friendly depressant
Xun Wang, Jie Liu, Yimin Zhu, Yanjun Li
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Chemical Engineering Journal, 2020
Abstract At present, traditional inhibitors applied for selective flotation of fluorapatite from dolomite generally own low selectivity, high toxicity, large dosages and high costs. Thus, this research offers a novel non-toxic and eco-friendly dolomite depressant, 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTCA), for selective flotation of ...
Jin Yao, YIN Wanzhong, Bin Yang
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Abstract At present, traditional inhibitors applied for selective flotation of fluorapatite from dolomite generally own low selectivity, high toxicity, large dosages and high costs. Thus, this research offers a novel non-toxic and eco-friendly dolomite depressant, 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTCA), for selective flotation of ...
Jin Yao, YIN Wanzhong, Bin Yang
exaly +2 more sources
Water Research, 2019
2-Phosphonobutane-1,2,4-tricarboxylic acid (PBTCA) is an antiscalant that is widely used in reverse osmosis (RO) systems. Because of its high concentration in RO concentrate, eutrophication risk and anti-precipitation properties may affect subsequent treatments, therefore treatment strategies are needed to eliminate such substances.
Nan Huang, Wen-Long Wang, Qian-Yuan Wu
exaly +3 more sources
2-Phosphonobutane-1,2,4-tricarboxylic acid (PBTCA) is an antiscalant that is widely used in reverse osmosis (RO) systems. Because of its high concentration in RO concentrate, eutrophication risk and anti-precipitation properties may affect subsequent treatments, therefore treatment strategies are needed to eliminate such substances.
Nan Huang, Wen-Long Wang, Qian-Yuan Wu
exaly +3 more sources