Solvent pulping of wood chips or other fibrous plant material is effected using an aqueous solution of a lower aliphatic alcohol in a plurality of batch extraction vessels. The charge in each vessel is heated rapidly to pulping temperatu... VB Diebold,WF Cowan,JK Walsh - US 被引量: 158发表...
and the novel tetraphenol ethane ramification which is generated under an acidic condition through a condensation polymerization reaction has the preparation process and steps that the phenol (the 2-methylhydroquinone or the tertiary butyl hydroquinone), alcohol (carbinol or ethyl alcohol or isopropanol)...
17.Study on Degradation of Phenol-containing Wastewater in High Concentration SBR;高浓度SBR法降解含苯酚废水的研究 18.Rescarch of Ferric-Carbon Microeletrolusis Treatment on High-Density Alcohol Wastewater;铁碳微电解处理高浓度酒精废水研究 相关短句/例句 hydrolysis degree水解度(DH) 1.Hydrolysis conditions...
1) Determine the degree of unsaturation in C_6H_10O_4 a) 1 b) 3 c) 2 d) 4 2) The structure of the drug Demerol is: How many sp^3 hybridized carbon atoms are present in Demerol? a) 5 b) 4 c) 8 Which of the following formulas represents that of an unsaturated hydrocarbon w...
(KPS, 0.8 mM) was added to the solution and the reaction was completed in 2 h. The reaction mixture was precipitated with isopropyl alcohol (3 volumes) to get LMWC with MW of ~20 kDa, ~70 acetylated (characterized by HPLC and13CNMR respectively, Fig.1), re-dissolved in ...
Interestingly, procyanidins from wild grape seed regulate the antioxidant enzymes and alcohol metabolism in Sprague Dawley (SD) rats by means of the mitogen-activated protein kinase (MAPK) pathway, which reduces the levels of aspartate transaminase, alanine transaminase, and alcohol in serum induced ...
The as-spun undrawn virgin fibre is treated in the relaxed state in a 3% aqueous phenol solution for 18 - 24 h during which period the processes of swelling and of the weakening of the intermolecular bonds are completed. Next, the fibre is washed in water for I h and in alcohol for ...
When using an ester of the acid, a smaller excess of glycol is sufficient and heating is usually at a temperature above the melting point of the mixture and above the boiling point of the alcohol or phenol being replaced, but below the boiling point of the glycol. When using a dihalide,...
The emulsifying agent may be polyvinyl alcohol or an ethylene oxide-nonyl phenol adduct. The dispersion may also contain a silicone, fluorocarbon, wax, long chain quaternary, or Werner complex. The treated material is dried and hydrolysis effected in water or moist air. The material treated may ...
Determn. is completed in 2 min. Process is simple and comprises adding indicator to sample tested and determining the colour change. In an example 1.5 ml molten fat were dissolved in 3.5 ml for a 2% KOH soln. in a 1:1 benzyl alcohol : n-propanol mixt. and mixed with 0.11 ml 0.1% ...