نتایج جستجو برای: acetone and ethanol
تعداد نتایج: 16838268 فیلتر نتایج به سال:
Cashew nutshell liquid (CNSL) is a cheap source of natural phenolic compounds that have numerous applications. These chemical structures with chromophores similar to those found in synthetic UV-filters, which are present commercial sunscreen products (SSPs). Thus, this study investigated the impact solvents on yield, total phenol content (TPC), flavonoid (TFC), and sun protection factor (SPF) c...
This study examined the extent of organic solvent and water retention in comonomer blends with different hydrophilicity (Hoy’s solubility parameter for hydrogen bonding, δh) after solvent evaporation, and the extent of tracer penetration in polymerised films prepared from these resins. For each comonomer blend, adhesive/solvent mixtures were prepared by addition of [1] 50wt% acetone; [2] 50wt% ...
BACKGROUND Essential oil from Mesembryanthemum edule leaves have been used by the Eastern Cape traditional healers for the treatment of respiratory tract infections, tuberculosis, dysentery, diabetic mellitus, laryngitis and vaginal infections. The investigation of bioactive compounds in the essential oil of this plant could help to verify the efficacy of the plant in the management or treatmen...
Readily available inexpensive substrate with high product yield is the key to restoring acetone-butanol-ethanol (ABE) fermentation to economic competitiveness. Lactose-replete cheese whey tends to favor the production of butanol over acetone. In the current study, we investigated the fermentability of milk dust powder with high lactose content, for ABE production by Clostridium acetobutylicum a...
This study examined the extent of organic solvent and water retention in comonomer blends with different hydrophilicity (Hoy’s solubility parameter for hydrogen bonding, δh) after solvent evaporation, and the extent of tracer penetration in polymerised films prepared from these resins. For each comonomer blend, adhesive/solvent mixtures were prepared by addition of [1] 50wt% acetone; [2] 50wt% ...
The moderately halophilic bacterium Nesterenkonia sp. strain F, which was isolated from Aran-Bidgol Lake (Iran), has the ability to produce acetone, butanol, and ethanol (ABE) as well as acetic and butyric acids under aerobic and anaerobic conditions. This result is the first report of ABE production with a wild microorganism from a family other than Clostridia and also the first halophilic spe...
In the present study, Plumbago zeylanica Linn. (Plumbaginaceae) , one of the folk medicinal plants commonly used as antifertility agent was evaluated for its antifertility effect. Five successive solvent extracts, petroleum ether, chloroform, acetone, ethanol and water extracts, of the stems of P. zeylanica were studied on estrous cycle at two dose levels, 200 and 400 mg/kg respectively....
Biobutanol has been identified as a promising future biofuel. However, generally the extraction and separation of biobutanol from fermentation mixture is costly process. Therefore, idea using acetone-butanol-ethanol (ABE) directly biofuel were proposed to eliminate recovery ABE The feedstocks play an important role in feasibility fuel. Lignocellulosic biomass seen feedstock for production biofu...
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