MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
ctmab modified bentonite
CTMABModified Bentonite–Based PRB in Remediating Cr (VI
The adsorption amount of Cr(VI) to the natural bentonite and the modified bentonite over time are shown in Fig 2 Figure 2 presents that in general, the amount of Cr(VI) adsorbed onto both the natural bentonite and the modified bentonite increase with time The amount Cr(VI) adsorbed by natural bentonites remains at a 展开2015年11月1日 Adsorption of four acid dyes onto cetyltrimethyl ammonium bromide (CTMAB) modified organobentonite from aqueous solution was studied, and effects of the parameters Adsorption of acid dyes from aqueous solution by CTMAB 2021年6月21日 CTABmodified bentonite can improve the interlayer structure of bentonite and increase the adsorption area and interlayer spacing On the other hand, the organic modifier Synthesis and characterization of CTABmodified bentonite 2020年1月3日 合成了十六烷基三甲基溴化铵（ctmab）改性的膨润土作为吸附剂，用于从水溶液中去除cr（vi）。 分批吸附研究表明，CTMAB改性膨润土（1962 mg g 1 ）的吸附能力是天 CTMAB改性的膨润土基PRB修复受Cr（VI）污染的地下水
Surfactant modified bentonite (CTMABbentonite) as a solid
2014年6月1日 CTMABbentonite was found to be an efficient catalyst for the synthesis of 3,4dihydropyrano [c]chromene derivatives by onepot reaction of 4hydroxycoumarin, aromatic 2020年1月3日 Cetyl trimethylammonium bromide (CTMAB)–modified bentonite was synthesized as adsorbent for the removal of Cr (VI) from aqueous solutions Batch adsorption studies show thatCTMABModified Bentonite–Based PRB in Remediating 1998年9月12日 Cetyltrimethylammonium bromide (CTMAB)bentonite was produced by the exchange of cetyltrimethylammonium (CTMA) cations for inorganic ions on the internal and Use of Cetyltrimethylammonium BromideBentonite To Remove 2020年1月1日 Cetyl trimethylammonium bromide (CTMAB)–modified bentonite was synthesized as adsorbent for the removal of Cr(VI) from aqueous solutions Batch adsorption studies show CTMABModified Bentonite–Based PRB in Remediating Cr (VI
CTMABModified Bentonite Based PRB in Remediating Cr(VI)
CTMABModified Bentonite–Based PRB in Remediating Cr(VI) Contaminated Groundwater Fei Wang Wangqi Xu Zhaochen Xu Haoyu Liu Received: 23 October 2019/Accepted: 19 2022年3月17日 HydroxyFe–Al and cetyltrimethylammonium bromide (CTMAB) were chosen to modified Nabentonite (Nabent) The characteristics of Nabent and modified bentonites were determined with scanning electron microscopy Modified geosynthetic clay liners bentonite for barriers 2014年6月1日 Modified bentonite (CTMABbentonite) is certainly one of the most interesting heterogeneous catalysts, because it has surface properties, which suggests that a very rich organic chemistry may occur there It is a very economical, safe, and easily available catalystSurfactant modified bentonite (CTMABbentonite) as a solid Cetyl trimethylammonium bromide (CTMAB)–modified bentonite was synthesized as adsorbent for the removal of Cr(VI) from aqueous solutions Batch adsorption studies show that the adsorption Intraparticle model for natural and CTMAB bentonite
Comparative assessment of modified bentonites as retardation
2023年1月11日 Modified bentonites for the antiseepage system have been attracting global attention At the same time, the performances of modified bentonite containing retardation barrier exposed to organic–heavy metal pollutants have not been fully reported In this study, the adsorption performances (one of the key evaluation indicators of retardation barrier) of nine 2015年11月1日 In this study, the adsorption of acid dyes AB25, AB93, ATBA and AGYG onto CTMAB modified bentonite was performed Such effects of the experimental conditions as adsorbent dosage, contact time, initial solution pH were examined The adsorption reached equilibrium after contacting with CTMABBent of 10 min for AB93, ATBA, AGYG and 50 minAdsorption of acid dyes from aqueous solution by CTMAB modified DOI: 101016/JMOLLIQ201508032 Corpus ID: ; Adsorption of acid dyes from aqueous solution by CTMAB modified bentonite: Kinetic and isotherm modeling @article{Yan2015AdsorptionOA, title={Adsorption of acid dyes from aqueous solution by CTMAB modified bentonite: Kinetic and isotherm modeling}, author={Liangguo Yan and Qin Lilu and Adsorption of acid dyes from aqueous solution by CTMAB modified of CTMABbentonite 3 Results and discussion 31 Selection of intercalating agent As shown in Table 2, we respectively selected a variety of modifiers to modify bentonite The adsorption capacity of bentonite modified by CTMAB reached 34576 mg/g, and its distribution coefficient K a = 02081, was also the largest among all modified bentonitePreparation and adsorption performance of CTMABbentonite on
Surface structure of CTMA+ modified bentonite and their
2008年5月1日 The preparation of CTMAB–HTCC bentonite was listed as follows: for bentonite (5 g), 10 g CTMAB and 02 g HTCC was adopted as the modifying reagents; the reaction was carried out for 2 h at 60°C2022年1月1日 Proposed mechanisms of the Pb(II) adsorption onto modified bentonite clay (a), FTIR spectra (b) and TGADSC curves (c) of modified bentonite clay before and after the Pb(II) adsorption Positron annihilation lifetime (PAL) spectra (e) and electron momentum distribution (EMD) plots (d) for the HDTMAbentonite clays before and after the adsorption of Pb(II)HTDMAmodified bentonite clay for effective removal of Pb(II) 2010年2月1日 In this study, an organobentonite modified with cetyltrimethylammonium bromide (CTMAB) was utilized as sorbent for the removal of nitrosodiphenylamine (NDPhA) and its precursor diphenylamine Enhancing the sorption capacity of CTMAbentonite by 2010年1月15日 22 Preparation of organoclaysCTMABbentonites and CTMABkaolinites were synthesized by cation exchange CTMAB in amounts equivalent to various percentages of the CECs (30%, 50%, 70% and 100%) was dissolved in 200 mL distilled waterA total of 40 g bentonite or kaolinite was added to the CTMAB solution at 25 °CThe dispersions were stirred Equilibrium, kinetics and thermodynamic studies for sorption of
Modified geosynthetic clay liners bentonite for barriers of Cr (VI)
2022年3月9日 ABSTRACT HydroxyFe–Al and cetyltrimethylammonium bromide (CTMAB) were chosen to modified Nabentonite (Nabent) The characteristics of Nabent and modified bentonites were determined with scanning electron microscopy (SEM), energy disperse spectroscopy (EDS), Xray diffraction (XRD), Fourier transform infrared spectrum (FTIR) and 2014年6月1日 Request PDF Surfactant modified bentonite (CTMABbentonite) as a solid heterogeneous catalyst for the rapid synthesis of 3,4dihydropyrano[c]chromene derivatives Surfactant modified bentonite (CTMABbentonite) as a solid XRD of OBent Powders The basal spacing of the unmodified bentonite was 142 nm, and the spacing of the bentonite platelets modified with CTAB increased to 173 nm (Fig 1), indicating that CTAB entered the interlayer space of bentonite, and as a result, the interlayer spacing was enlargedIn addition, the basal spacing of OBent was 143 nm, 142 nm, and 141 nm when Comodification of Bentonite by CTAB and Silane and itsCetyl trimethylammonium bromide (CTMAB)modified bentonite was synthesized as adsorbent for the removal of Cr(VI) from aqueous solutions Batch adsorption studies show that the adsorption capacity of CTMABmodified bentonite (1962 mg g(1)) was about 19 times higher than that of natural bentonite (0101 mg g(1))CTMABModified BentoniteBased PRB in Remediating Cr (VI
Modified geosynthetic clay liners bentonite for barriers of Cr (VI)
HydroxyFeAl and cetyltrimethylammonium bromide (CTMAB) were chosen to modified Nabentonite (Nabent) The characteristics of Nabent and modified bentonites were determined with scanning electron microscopy (SEM), energy disperse spectroscopy (EDS), Xray diffraction (XRD), Fourier transform infrared spectrum (FTIR) and zeta potentialThis work studies the Pb(II) removal onto bentonite clay modified by hexadecyl trimethyl ammonium bromide (HDTMA) Characterizations of the unmodified and modified materials were performed by using XRD, SEM, TGDSC, FTIR, and BET surface area analyses Factors influencing the uptake of Pb(II) from aqueous solution, such as pHsolution, ion strength, HTDMAmodified bentonite clay for effective removal of Pb(II) 2010年6月15日 The saturated level of cationic exchange capacity (CEC) of bentonite by organic cations can significantly influence the sorption capacity of the resulting organobentonites In this work cationic polyacrylamide (CPAM) was applied to saturate part of the CEC of the cetyltrimethylammonium (CTMA) modified bentonite, with the aim to enhance their sorption Enhancing the sorption capacity of CTMAbentonite by 2010年6月15日 In this work cationic polyacrylamide (CPAM) was applied to saturate part of the CEC of the cetyltrimethylammonium (CTMA) modified bentonite, with the aim to enhance their sorption capacity XRD was applied to investigate the basal spacings of the organobentonites with and without CPAM, and the sorption characteristics of the organobentonites towards phenol Enhancing the sorption capacity of CTMAbentonite by PubMed
王菲 东南大学 交通学院 XMOL科学知识平台
Fei Wang, Hao Pan, Jian Xu (2020) Evaluation of red mud based binder for the immobilization of copper, lead and zinc, Environmental Pollution, 263(Pt A): Fei Wang, Wangqi Xu, Zhaochen Xu, Haoyu Liu (2020) CTMABModified Bentonite–Based PRB in Remediating Cr(VI) Contaminated Groundwater, Water Air Soil Pollut, 231:20,20202007年2月15日 DOI: 101016/JCOLSURFA200608016 Corpus ID: ; Sorption characteristics of CTMA–bentonite complexes as controlled by surfactant packing density @article{Zhu2007SorptionCO, title={Sorption characteristics of CTMA–bentonite complexes as controlled by surfactant packing density}, author={Runliang Zhu and Lizhong Zhu and Liheng Sorption characteristics of CTMA–bentonite Semantic Scholar2014年10月3日 Bentonite clay was modified using quaternary ammonium cations, viz phenyltrimethylammonium (PTMA), hexadecyltrimethylammonium (HDTMA), trioctylmethylammonium (TOMA) [100 % of cation exchange Surfactantmodified bentonite clays: preparation, 2007年2月1日 When bentonite dosage was increased from 01 g L −1 to 20 g L −1 and cetyltrimethylammonium bromide (CTMAB) dosage was kept at 100 mg L −1 , the CTMAB loading per unit bentonite of the Sorption characteristics of CTMA–bentonite complexes as
HTDMAmodified bentonite clay for effective removal of Pb(II)
2022年1月1日 The XRD pattern of unmodified bentonite exhibits four main phases, Mica/Ilite, Kaulinite, Quartz, and Goetite, as denoted, respectively, by I, K, Q, and G in Fig 2a As for the modified bentonite, its XRD pattern contains all the diffraction peaks that appear in the modified one but with relatively stronger intensities2017年9月1日 Wang et al (2020) reported that the adsorption capacity of CTMABbentonite was about 19 times higher than that of natural bentonite for removing chromium (VI) (Cr 6+ ) from aqueous solutionsModified bentonite adsorption of organic pollutants of2015年11月1日 Adsorption of four acid dyes onto cetyltrimethyl ammonium bromide (CTMAB) modified organobentonite from aqueous solution was studied, and effects of the parameters like adsorbent dosage, solution Adsorption of acid dyes from aqueous solution by CTMAB modified 2021年9月24日 The modified clay FLUOROSORB 100® (FS100) (bentonite modified with aminebased hydrocarbon intercalants) was provided by Minerals Technologies Inc The particle size distribution of FS100 was determined using a laser diffraction particle size analyzer LA950 (Figure S1 , HPRIBA Ltd, Japan)Modified clays reduce leaching of per‐ and polyfluoroalkyl
Sorption of naphthalene and phosphate to the CTMAB–Al13
2009年9月15日 Basal spacing of the original bentonite was of 152 nm, indicating a typical calcium bentoniteC–Bt had the basal spacing of 239 nm, this indicated that CTMAB in the interlayer of C–Bt adopted a tilted monolayer arrangement model according to Zhu et al [26]The basal spacing of Al–Bt was shown to be 190 nm, which was equal to the height of bentonite 2008年5月1日 Results showed that both CTMAB and Al 13 could intercalate into bentonite's interlayers if they were simultaneously used or if CTMAB was first used for the intercalation The resulting IOBs were as effective as the CTMAB modified bentonites in sorption of naphthalene from water, and they were shown to be more effective in sorption of phosphate from water Surface structure of CTMA+ modified bentonite and their 2023年3月8日 Batch adsorption studies show that the adsorption capacity of CTMABmodified bentonite (1962 mg g−1) was about 19 times higher than that of natural bentonite (0101 mg g−1)Phenol adsorption properties and microstructural changes of 2010年5月15日 Bentonite is primarily composed of montmorillonite, a 2:1 type layered aluminosilicate clay mineral Each layer of montmorillonite consists of one octahedral and two adjacent tetrahedral sheets, with the thickness of about 096 nmDue to the isomorphous substitution within the layers (eg, Al 3+ replaced by Mg 2+ in the octahedral sheet), the Structural and sorptive characteristics of the
CTMABModified BentoniteBased PRB in Remediating Cr(VI)
CTMABModified BentoniteBased PRB in Remediating Cr(VI) Contaminated Groundwater Wang, Fei; Xu, Wangqi; Xu, Zhaochen; Liu, Haoyu; Abstract Publication: Water Air and Soil Pollution Pub Date: January 2020 DOI: 101007/s11270019 Furthermore, the incorporation of CTMAB and SDS renders bentonite hydrophobic and increases its affinity for organic compounds Surfactant modification by microwave heating Recently, a cationic polymermodified bentonite complex has been synthesized by modifying bentonite with polyepichlorohydrindimethylamine (EPIDMA) to adsorb single, Insights on applications of bentonite clays for the removal of dyes This work studies the Pb(II) removal onto bentonite clay modified by hexadecyl trimethyl ammonium bromide (HDTMA) Characterizations of the unmodified and modified materials were performed by using XRD, SEM, TGDSC, FTIR, and BET surface area analyses Factors influencing the uptake of Pb(II) from HTDMAmodified bentonite clay for effective removal of Pb(II) 2010年5月15日 In this study, an organobentonite modified with cetyltrimethylammonium bromide (CTMAB) was utilized as sorbent for the removal of nitrosodiphenylamine (NDPhA) and its precursor diphenylamine Structural and sorptive characteristics of the cetyltrimethylammonium
Enhanced Organic Contaminant Retardation by CTMABModified Bentonite
Adding organically modified bentonite into impervious wall materials may improve the adsorption of organic pollutants In this study, cetyltrimethylammonium bromide organically modified bentonite (CTMAB bentonite) was mixed with sodium bentonite and kaolin to obtain two materials, which were then used as cutoff walls for typical pollutants2021年6月21日 Batch adsorption studies show that the adsorption capacity of CTMABmodified bentonite (1962 mg g−1) was about 19 times higher than that of natural bentonite (0101 mg g−1)Synthesis and characterization of CTABmodified bentonite The OC contents of the clays modified with CTMA + in amounts equal to 100% and 200% of the clay CEC were respectively, 105% and 1693% for the organobentonites and 28% and 437% for the organo FTIR spectra of pure CTMA, Na and CTMAmodified bentonite (a2009年9月15日 The resulting IOBs were as effective as the CTMAB modified bentonites in sorption of naphthalene from water, and they were shown to be more effective in sorption of phosphate from water than the Al 13 pillared bentonite Sorption of naphthalene and phosphate to the CTMAB–Al13
Phenol adsorption properties and microstructural changes of
2023年4月3日 The present study focuses on using sodium bentonite, which was modified with cetyltrimethylammonium bromide (CTMAB), to remove phenol from an aqueous solution The influence of various factors such as adsorption time, initial phenol concentration and CTMAB–bentonite dosage on phenol adsorption was thoroughly investigated