搜索结果: 1-15 共查到“工学 phenol”相关记录23条 . 查询时间(0.078 秒)
On the Development of Phenol-Formaldehyde Resins Using a New Type of Lignin Extracted from Pine Wood with a Levulinic-Acid Based Solvent
bio-resins phenolic resins levulinic acid lignin lignocellulosic waste resole resins
2023/12/1
Resole resins have many applications, especially for foam production. However, the use of phenol, a key ingredient in resoles, has serious environmental and economic disadvantages. In this work, ligni...
Simultaneous detection of hydroxylamine and phenol using p-aminophenol-modified carbon nanotube paste electrode（图）
Hydroxylamine and phenol determination p-Aminophenol Multiwall carbon nanotube paste electrode Voltammetry
2013/9/25
A carbon paste electrode that was chemically modified with multiwall carbon nanotubes and p-aminophenol was used as a selective electrochemical sensor for the simultaneous detection of hydroxylamine (...
Photocatalytic Synthesis of Phenol by Direct Hydroxylation of Benzene by a Modified Nanoporous Silica (LUS-1) under Sunlight（图）
mesoporous silica photocatalyst phenol benzene hydroxylation sunlight nanoporous silica carbon nitride
2013/10/5
Fe-g-C3N4-LUS-1 was prepared by the thermal decomposition of dicyandiamide inside the pores of LUS-1 under an inert atmosphere. It was used as a photocatalyst for the hydroxylation of benzene to pheno...
Catalytic Performance of Al-MCM-48 Molecular Sieves for Isopropylation of Phenol with Isopropyl Acetate（图）
Al-MCM-48 alkylation phenol isopropyl acetate 4-isopropyl phenol
2013/10/8
Al-MCM-48 molecular sieves (Si/Al molar ratios = 25, 50, 75, and 100) were synthesized hydrothermally using cetyltrimethylammonium bromide as the structure directing template. The orderly arrangement ...
Phenol Biodegradation by Corynebacterium glutamicum Encapsulated in Electrospun Fibers
Phenol Biodegradation Encapsulated Bacteria Electrospinning Microtubes Phenol 2-Monooxygenase Catechol 1,2-Dioxygenase Olive Mill Waste Treatment Olive Mill Waste OMW
2013/3/11
In Northern Israel, olive mills discharge liquid waste causing contamination of subterranean aquifers with phenol, rendering them albeit temporarily, unfit for both drinking and irrigation. The impact...
Direct Hydroxylation of Benzene to Phenol over Fe3O4 Supported on Nanoporous Carbon（图）
nanoporous carbon ferroferric oxide hydroxylation of benzene phenol
2013/10/15
Fe3O4/CMK-3 was prepared by impregnation and used as a catalyst for the direct hydroxylation of benzene to phenol with hydrogen peroxide. The iron species in the prepared catalyst was Fe3O4 because of...
Catalytic Wet Oxidation of Phenol Using Regeneration of Pt/Al2O3
Carbonaceous material Wet oxidation Phenol Platinum catalyst Catalyst regeneration
2010/9/8
Removal of phenol by wet air oxidation was conducted with 1 wt% Pt/Al2O3 catalyst in a batch reactor and in a continuous flow fluidized bed reactor with air lift tube operated at 423 K and 1.4 MPa. Af...
Interactive Oxidation of Photocatalysis and Electrocatalysis for Degradation of Phenol in a Photoreactor
photocatalysis and electrocatalysis TiO2/C phenol
2009/12/11
TiO2/C particles as photocatalyst were prepared by dipping TiO2 suspension solution with activated carbon and were applied in the photocatalytic-electrocatalytic degradation of phenol, the Ti/SnO2+Sb2...
Heterogeneous Photooxidation of Phenol by Catalytic Membranes
photo-oxidation decatungstate catalytic membrane
2009/11/16
In this work the heterogenization in polymeric membranes of decatungstate, a photocatalyst for oxidation reactions, was reported. Solid state characterization techniques confirmed that the catalyst st...
Catalytic Oxidation of Phenol in Aqueous Solution
Catalytic Oxidation Phenol Destruction Heterogeneous Reaction
2009/10/15
The oxidation of phenol in aqueous solution over a supported copper oxide, zinc oxide catalyst was studied at atmospheric pressure. The reaction involved an introduction period and a steady-state-acti...
槟榔籽总酚提取工艺优化与抗氧化活性试验（Optimization of Extraction Technology and Antioxidant Activities of Total Phenol from Betel Nut Seed）
槟榔籽 总酚 提取 响应面法 抗氧化活性
2010/5/5
为了探索槟榔籽中总酚提取的最佳工艺参数，在单因素试验的基础上以提取温度、提取时间和液料比为试验因素，以总酚含量为响应值，采用三因素五水平的响应面分析法进行试验。结果表明，3个因素对槟榔籽总酚提取含量的影响大小顺序为：提取温度、液料比、提取时间；槟榔籽中总酚提取的最佳工艺参数为：提取温度58℃、提取时间4h、液料比47mL/g，总酚含量的预测值为148.09mg/g，验证值为146.63mg/g。试...
Membrane-Based Separation of Phenol/Water Mixtures Using Ionically and Covalently Cross-Linked Ethylene-Methacrylic Acid Copolymers
Phenol/Water Mixtures Ethylene-Methacrylic
2009/9/2
Membrane-based separation of phenol/water mixtures with concentrations of phenol between 3 wt% and 8 wt% in the feed has been performed with nonmodified as well as cross-linked ethylene-me...
Interaction between Nitroxide of Hindered Amine Light Stabilizers and Phenol
HALS Phenol Antagonism HALS nitrosonium HALS nitroxide
2009/8/4
The antagonism between nitroxides of hindered amine light stabilizers (HALS NO) and phenolic antioxidants, such as 2,6-di-t-butyl-4-methylphenol (BHT), was investigated. Identification of the reactio...
A Study on the Effect of Potentiostatically Grown Gold Oxide Films on the Oxidation of Phenol in Base
Gold Oxide Films Oxidation
2009/7/29
The general behaviour of potentiostatically grown gold oxide films during the oxidation of phenol in basicsolutions has been studied using cyclic voltammetry. No catalytic activity is observed and phe...
Extraction of Phenol in Water Phase Using Liquefied Dimethyl Ether
Phenol Extraction Dimethyl ether Aqueous solution
2009/7/23
The applicability of liquefied dimethyl ether (DME) was evaluated as an extractant for phenol, a polar substance, in water. The phenol extraction ratio was 79% from 5.45 wt% phenol solution, and 67% ...