Flue gas desulfurization (FGD) is a critical process for reducing sulfur dioxide (SO2) emissions from industrial sources, particularly power plants. This research uses calcium silicate absorbent ...
ادامه مطلبThe results show that the desulfurization capacity of RM OCs mainly comes from Na/Ca elements, while Fe 2 O 3 has no desulfurization capacity above 750 °C. WSRM OCs have good desulfurization performance, and the desulfurization efficiency of WS900 can reach 86.28 % at 900 °C, although high temperature is not …
ادامه مطلبThe comprehensive utilization of red mud covers a wide range, including raw metal materials, infrastructure materials, environmental remediation materials, etc [10].Since red mud is a potential resource of metals, red mud can be used to extract metal elements, for example, iron, aluminum, titanium, and rare metals, etc [11], [12], [13].In …
ادامه مطلبThe NaBEt 4 chemistry on desulfurization indeed provides a powerful and convenient tool for synthesis and modification of peptide/protein. Experimental procedures Resource availability Lead contact. Further information and requests for resources should be directed to and will be fulfilled by the lead contact, Xuechen Li ([email protected]).
ادامه مطلبThe development of different desulfurization methods is summarized in this Concept article, including metal-based desulfurization, metal-free radical-based desulfurization, photochemical desulfurization and phosphine-boron (P-B) desulfurization. Some of these methods have been effectively used in protein/peptide …
ادامه مطلبDesulfurization process by using piezo catalyst. In a Pyrex cell, 50 mg of piezocatalyst was used to oxidative desulfurize the model fuel and 25 mL of model fuel (TP or dibenzothiophene (DBTP)/n ...
ادامه مطلبAmong the desulfurization processes, the oxidative desulfurization (ODS) process is a promising method to achieve very low and near-zero sulfur content of the fuel. ... Titanium dioxide is a proposed catalyst in the field of desulfurization (Li et al. 2016a; Li et al. 2018b; Vu et al. 2012). TiO 2 is found in nature in three phases: rutile ...
ادامه مطلبTo determine whether a hydrogen bond had formed between l-Pyro and TFA, 1 H NMR and FT-IR spectra of l-Pyro and l-Pyro/TFA, were recorded, as shown in Fig. 1 (a) and (b). The H signal at 12.72 ppm was clearly attributed to the –COOH group of l-Pyro, with the downfield shift to 14.40 ppm indicating DES formation.Based on the chemical …
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ادامه مطلبCyanuric chloride (C 3 N 3 Cl 3, 0.02 mol) and melamine (C 3 H 6 N 6, 0.06 mol) were first added in acetonitrile (50 mL) at room temperature, and the mixture was then vigorously stirred for 30 min.Then, the boric acid (0.01 mol) was added into the above solution and kept stirring overnight. Subsequently, the resulting product was obtained …
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ادامه مطلبIn addition, the photocatalytic desulfurization mechanism is also introduced with the . OH and . O 2 − radicals as main active species. Finally, some perspectives on the photocatalytic desulfurization are provided, which can further optimize the desulfurization efficiency and guide future photocatalyst design.
ادامه مطلبArticle Superfast desulfurization for protein chemical synthesis and modification Zhenquan Sun,1 Wenjie Ma,1 Yihui Cao,1 Tongyao Wei,1 Xiaoyong Mo,1 Hoi Yee Chow,1 Yi Tan,1 Carina H.P. Cheung,1 Jiamei Liu,1 Hung Kay Lee,2 Edmund C.M. Tse,1 Han Liu,1 and Xuechen Li1,3,4,* SUMMARY Highly effective yet chemoselective chemical …
ادامه مطلبAdsorptive desulfurization of model fuel was studied through batch and continues processes under mild temperature and normal atmospheric pressure. ... X., Zhang, S., Li, P. & Shen, Y. Equilibrium ...
ادامه مطلبThe current industrial method for removal of sulfur from fuels is hydrodesulfurization (HDS), which is a high temperature, high pressure catalytic process. This makes HDS a very costly option for deep …
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ادامه مطلبThe semi-dry flue gas desulfurization ash (SFGDA) is an industrial waste generated by the semi-dry desulfurization process, and its resources have been continuously attracted attention. Through the method of heat decomposition, the SFGDA decomposed into CaO and SO2 has emerged as a prominent research topic. This paper …
ادامه مطلبHarvesting clean energy from fuel feedstocks is of paramount significance in the field of environmental science. In this dynamic area, desulfurization provides a valuable …
ادامه مطلبDue to the most recent environmental requirements, wide desulfurization has become an increasingly important way to obtain ultra-clean fuels for transportation …
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ادامه مطلبMore recently, the catalytic ODS method is gaining tremendous attention within the scientific community as an efficient deep desulfurization technology [15], [16], [17], [18].ODS involves the oxidation reaction to transform organosulfur compounds into their corresponding sulfoxides and sulfones in the presence of an oxidizing agent under …
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ادامه مطلبIn comparison with other desulfurization techniques, the reaction temperature of thermal-driven ODS prevalently stays in the range of 35 to 90 °C, 38 which is much lower than …
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