Rape oil methyl ester

Five diesel fuels with different formulations were tested, a commercial diesel ( standard diesel) available at European gas stations, biodiesel (rape oil methyl ester) and three sulphur-reduced diesel fuels containing defined amounts of aromatic hydrocarbons (see Table 1). 

The enol compound 44 also exhibited activity against aphids, but once penetrated into the plant it does not need a further conversion in planta such as spirotetramat 32, which in leaves will be readily transformed to its enol form 44. Spirotetramat 32 can be considered as a pro-insecticide and its above-mentioned systemic properties can be significantly improved by the co-application of an adjuvant, e.g., rape oil methyl-ester (Fig. 28.4.7). Figure 28.4.7 clearly shows that... 

Fig. 28.4.7. Uptake and translocation of [ Cjspirotetramate 32 applied as SC 240 formulation to cabbage plants, either alone (no additive picture 1) or in combination with rape oil methyl-ester (0.1% RME picture 2). Two droplets of 5 pL (0.4 pg-a.i.) were applied onto the 1 true leaf 2 days before analysis.

Synonyms Alkyl C16-18 methyl esters Canola methyl ester Canola oil, methyl ester Rape oil, methyl ester Rapeseed oil, methyl ester... 

Synonyms Rape oil methyl ester Rapeseed oil methyl ester... 

Rape oil, methyl ester. See Methyl canolate Rape oil methyl ester. See Methyl rapeseedate Rapeseed. See Canola oil Rapeseed acid... 

Figure 12 0 Phase behavior of water/rape oil methyl ester/C nEj mixtures with water/oil ratio = 1 1 as function of surfactant mass fraction (Reproduced by permission of Hanser from ref. 104)...

Table 12.4 Extracted amount ofpyrene (Q) per mass of solid for microemulsions with different content (a) of rape oil methyl ester (RME) at temperatures fextr compared to hot extraction with toluene (Q,oi)...

Table 12.5 Separated oil volume (W(oil)/Vo(oil)) and distribution equilibrium of pyrene (Py) between the aqueous (aq) and the oil phase (oil) for the microemulsion system Ct>/nE4/rape oil methyl ester/water (pE) at different splitting temperatures T p and different oil content (a) as a function of surfactant mass fraction (y)...

R113. See Trichlorotrifluoroethane Racemic limonene. See dl-Limonene Racemic pantothenyl alcohol. See DL-Panthenol Rape oil, hydrogenated. See Hydrogenated rapeseed oil Rape oil, methyl ester See Methyl canolate Rapeseed acid... 

Biodiesel can be produced from various oilseed-yielding plants like castor, cotton, jatropha, palm, rape, soy, etc. The straight vegetable oils (SVO), which can be derived by physical and chemical treatment (milling/refining), are then converted into fatty acid methyl esters (FAME), also known as biodiesel. Similar to ethanol, these routes are established and proven, and their costs depend heavily on two factors ... 

Figure 8 shows a comparison of the HPLC chromatograms of rape-seed oil between one- and two-step preparation methods. As a comparison, the HPLC chromatogram of rapeseed oil treated with supercritical methanol in the presence of water is also shown. It is obvious that peaks of the two-step method only consist of methyl esters, whereas for other supercritical methanol methods, some peaks of intermediate compounds such as monoglycerides and diglycerides as well as unreacted triglycer-... 

Bio-diesel, an alternative biofuel, is made from a vegetable oil that is extracted from the seeds of plants such as canola (rape plant), cotton, soybean and sunflower. This oil, which is used mostly in the manufacture of margarine, is reacted chemically with methanol to produce a methyl ester that can substitute satisfactorily for diesel fuel. Glycerol is produced as a by-product. Generally, up to 20 vol.% of bio-diesel is mixed with conventional diesel. Again, there is the problem of unfavourable economics. Bio-diesel is not yet fully cost competitive and the overall energetics of production, transport and consumption require careful evaluation. 

Hreczuch, W. 2001. Ethoxylated rape seed oil acid methyl esters as new ingredients for detergent formulations. Tenside Surfact. Det. 38 72-79. 

Today (2009), 10% of all vegetable oils such as palm, sunflower, rape seed, and soya bean oils are used for biodiesel (Rosillo-Calle, Pelkmans, and Walter, 2009), which is produced by transesterification of the oil with methanol to produce methyl esters (fatty add methyl ester) and glycerol as by-product (Figure 5.1.31). The size of the large oil molecule is reduced to about Vs of its original size, which lowers the viscosity, making it similar to diesel. 

Biodiesel (fatty acid methyl ester) Vegetable oils from rape seed, palm oil, microalgae Transesterification of fats Cyanobacterial production of lipids... 

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