Results 1 to 10 of about 72,708 (188)

Enantiomerically enriched, polycrystalline molecular sieves. [PDF]

Proc Natl Acad Sci U S A, 2017
Zeolite and zeolite-like molecular sieves are being used in a large number of applications such as adsorption and catalysis. Achievement of the long-standing goal of creating a chiral, polycrystalline molecular sieve with bulk enantioenrichment would ...
Brand SK, Schmidt JE, Deem MW, Daeyaert F, Ma Y, Terasaki O, Orazov M, Davis ME.   +7 more
europepmc   +4 more sources

Efficient removal of ammonia–nitrogen in wastewater by zeolite molecular sieves prepared from coal fly ash [PDF]

Scientific Reports
Zeolite molecular sieves are potential adsorbents for wastewater treatment, characterized by high efficiency, simple process, easy regeneration, and low treatment cost.
Qianyang Jiang, Jiahuan He, Yinwen Wang, Bangyao Chen, Kewei Tian, Keda Yang, Huangzhao Wei, Xiaoling Xu   +7 more
doaj   +2 more sources

Synthesis of core–shell structured FAU/SBA-15 composite molecular sieves and their performance in catalytic cracking of polystyrene [PDF]

Science and Technology of Advanced Materials, 2017
Composite molecular sieves, FAU/SBA-15, having core-shell structure were synthesized. The synthesized composite sieves were characterized by X-ray diffractometry (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy ...
Jinlong Du, Chunwei Shi, Wenyuan Wu, Xue Bian, Ping Chen, Qingzhu Cui, Zhixuan Cui   +6 more
doaj   +2 more sources

Rhodamine B adsorption in ordered mesoporous materials: A comparison efficiency on KIT-6 and CMK-8

Results in Materials, 2021
The objective of this work was to evaluate the adsorptive properties of ordered mesoporous materials of silica and carbon. It is known that mesoporous materials have great accessibility to bulky molecules such as dyes, organic compounds, however, the ...
Juliana Barros Goes e Silva, Eduardo Rigoti, Sibele Pergher   +2 more
doaj   +1 more source

Hydrothermal Synthesis of Silicoaluminophosphate with AEL Structure Using a Residue of Fluorescent Lamps as Starting Material

Molecules, 2021
Silicoaluminophosphate molecular sieves of SAPO-11 type (AEL structure) were synthesized by the hydrothermal method, from the residue of a fluorescent lamp as a source or Si, Al, and P in the presence of water and di-propyamine (DPA) as an organic ...
Gidiângela C. C. S. Lima, Mariele I. S. Mello, Lindiane Bieseki, Antonio S. Araujo, Sibele B. C. Pergher   +4 more
doaj   +1 more source

Comparison of Water-Removal Efficiency of Molecular Sieves Vibrating by Rotary Shaking and Electromagnetic Stirring from Feedstock Oil for Biofuel Production

Fermentation, 2021
Adequate water-removal techniques are requisite to remain superior biofuel quality. The effects of vibrating types and operating time on the water-removal efficiency of molecular sieves were experimentally studied.
Cherng-Yuan Lin, Lei Ma
doaj   +1 more source

The Modeling of Radioactive Cobalt Adsorption on Molecular Sieves

Cumhuriyet Science Journal, 2022
Radioactive wastes are products of nuclear activities around the world. Radioactive cobalt is one of the usually found radionuclide in nuclear waste. It is crucial to separate radioactive cobalt from aqueous media.
Ekrem Çiçek
doaj   +1 more source

Study on the synthesis mechanism of sodalite, gismondine, and zeolite-P1 zeolite materials from ladle furnace slag and fly ash

Scientific Reports, 2023
In this study, geopolymers were prepared using ladle furnace slag (LFS) and fly ash (FA), and hydrothermal treatment was then used to synthesize bulk zeolite molecular sieves with gismondine, zeolite-P1, and sodalite phases.
Wenqing Ma, Yuanrong Yi, Minghang Fang, Chunhui Li, Jie Li, Wei Liu   +5 more
doaj   +1 more source

Organic-Free Synthesis of Finned Mordenite Zeolite

Nanomaterials, 2022
Mordenite is a well-known zeolite widely used for industrial processes. However, its pore architecture can be inconvenient due to diffusional issues.
Rafael C. Lima, Christian W. Lopes, Jhonny Villarroel-Rocha, Lindiane Bieseki, Karim Sapag, Sibele B. C. Pergher   +5 more
doaj   +1 more source

The influence of the presence of gasses in mineral oil on the ability of molecular sieves for water sorption [PDF]

ITM Web of Conferences, 2019
Previous studies has shown, that for the same relative humidity, the ability of molecular sieves to adsorb water in the air is higher than in mineral oil.
Cybulski Mateusz, Przybylek Piotr
doaj   +1 more source