WÄRTSILÄ WARTSILA 20, Руководство по эксплуатации продукта

Страница: 48 / 178

Table 6-4 Biodiesel specification based on EN 14214:2012 standard
Test method ref. Limit Unit Property
ISO 3104 3.5...5 cSt Viscosity at 40°C, min...max.
1.8 cSt Viscosity, before injection pumps, min.
ISO 3675 / 12185 860...900 kg/m³ Density at 15°C, min...max.
ISO 5165 51 Cetane number, min.
ISO 20846 / 20884 10 mg/kg Sulphur, max.
ISO 3987 0.02 % mass Sulphated ash, max.
EN 12662 24 mg/kg Total contamination, max.
ISO 12937 500 mg/kg Water, max.
EN 14107 4 mg/kg Phosphorus, max.
EN 14108 / 14109 /
14538
5 mg/kg Group 1 metals (Na+K), max.
EN 14538 5 mg/kg Group 2 metals (Ca+Mg), max.
ISO 2719A / 3679 101 °C Flash point, min.
EN 116 -44...+5 °C Cold filter plugging point, max. 1)
EN 14112 8 h Oxidation stability at 110°C, min.
ISO 2160 Class 1 Rating Copper strip corrosion (3h at 50°C), max.
EN 14104 0.5 mg KOH/g Acid number, max.
EN 14111 / 16300 120 g iodine / 100
g
Iodine number, max.
EN 14103 96.5 % mass FAME content, min 2)
EN 14103 12 % mass Linolenic acid methyl ester, max.
EN 15779 1 % mass Polyunsaturated methyl esters, max.
EN 14110 0.2 % mass Methanol content, max.
EN 14105 0.7 % mass Monoglyceride content, max.
EN 14105 0.2 % mass Diglyceride content, max.
EN 14105 0.2 % mass Triglyceride content, max.
EN 14105 / 14106 0.02 % mass Free glycerol, max.
EN 14105 0.25 % mass Total glycerol, max.
Remarks:
Cold flow properties of renewable bio diesel can vary based on the geographical location and also based on the feedstock
properties, which issues must be taken into account when designing the fuel system. 1)
Valid only for transesterified biodiesel (FAME) 2)
6-6 Wärtsilä 20 Product Guide - a13 - 6 September 2016
Wärtsilä 20 Product Guide 6. Fuel Oil System