Green Processing and Synthesis

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Green methods for the determination of nitrite in water samples based on a novel diazo coupling reaction
Green Processing and Synthesis - Tập 6 Số 2 - Trang 245-248 - 2017
Safwan Fraihat
Abstract Green, sensitive and selective spectrophotometric methods were developed for the determination of nitrite in water samples. The methods (A, B and C) are based on the reduction of 5-nitroimidazoles; metronidazole (MTL), secnidazole (SCL) and tinidazole (TNL), respectively, followed by diazotization using nitrite in acidic medium, then coupling with pyrogallol (PG). The amount of nitrite wa... hiện toàn bộ
Studies on the preparation and properties of biodegradable polyester from soybean oil
Green Processing and Synthesis - Tập 8 Số 1 - Trang 1-7 - 2019
Wang Xue-bin, Jincheng Wang
Abstract Crude dimer acid (DA) was prepared with soybean oil (SO) used as raw material and organic montmorillonite as a catalyst. Fourier transform infrared (FTIR) spectroscopy, hydrogen nuclear magnetic resonance (1H-NMR) and gel permeation chromatography (GPC) were used to characterize the structure of DA. It was demonstrated that the synthesis of crude DA using SO was feasible. A molecular weig... hiện toàn bộ
Life cycle assessment of solvent extraction as a low-energy alternative to distillation for recovery of N-methyl-2-pyrrolidone from process waste
Green Processing and Synthesis - Tập 7 Số 4 - Trang 277-286 - 2018
Paul V. Tozzi, Christian M. Wisniewski, Nicholas J. Zalewski, Mariano Savelski, C. Stewart Slater, Frank A. Richetti
Abstract This case study investigates low-energy alternatives to distillation for the recovery of N-methyl-2-pyrrolidone (NMP) from solvent waste in the manufacture of resin precursors. Evaluation includes environmental and economic life cycle assessment of solvent recovery and reuse using batch distillation, solvent extraction, and solvent extraction at a sister plant. Solvent extraction at the s... hiện toàn bộ
Treatment of fluoride in well-water in Khanhhoa, Vietnam by aluminum hydroxide coated rice husk ash
Green Processing and Synthesis - Tập 5 Số 5 - Trang 479-489 - 2016
Tran Ngoc Tuyen, Nguyen Duc Vu Quyen, Tran Minh Ngoc, Ho Van Minh Hai, Tran Ngoc Quang, Hoang Trong Sy, Tran Dai Lam
#adsorption; aluminum hydroxide coated rice husk ash; fluoride
Biosynthesis of silver nanoparticles on yellow phosphorus slag and its application in organic coatings
Green Processing and Synthesis - - 2024
Nguyen Tien Dung, Duong Tra My, Nguyen Thuy Chinh, Nguyen Quy Dai, Vu Dinh Hieu, Tran Thanh Thuy, Nguyen Kim Thoa, Thai Hoang
#yellow phosphorus slag; silver nanoparticles; bio-reduction; antibacterial activity; green synthesis
Oxidation of dibenzothiophene using the heterogeneous catalyst of tungsten-based carbon nanotubes
Green Processing and Synthesis - Tập 8 Số 1 - Trang 68-77 - 2019
Nguyen Duc Vu Quyen, Tran Ngoc Tuyen, Dinh Quang Khieu, Ho Van Minh Hai, Dang Xuan Tin, Kiyoshi Itatani
#kinetics of dibenzothiophene oxidation; Langmuir–Hinshelwood; oxidative desulfurization (ODS); tungsten-based CNTs
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