PREPARATION OF BIODIESEL FROM KARANJA OIL(part 14)

ADVANTAGES OF BIO-DIESEL

There are numerous advantages of bio-diesels. Some of the most important are listed:

• Biodiesel runs in any conventional, unmodified diesel engine. No engine modifications are necessary to use b
• Bio-diesel and there is no “engine conversion.” In other words, “you just pour it into the fuel tank.”

Biodiesel can be stored anywhere that petroleum diesel fuel is stored. All diesel fuelling infrastructure including pumps, tanks and transport trucks can use bio-diesel without any major modifications.

Biodiesel reduces carbon dioxide emissions, the primary cause of the greenhouse effect, by up to 100%. Since bio-diesel comes from plants and plants breathe carbon dioxide, there is no net gain in carbon dioxide from using bio-diesel.

Biodiesel can be used alone or mixed in any amount with petroleum diesel fuel. A 20% blend of bio-diesel with diesel fuel is called “B20”; a 5% blend is called “B5” and so on.

Biodiesel is more lubricating than diesel fuel, it increases the engine life and it can be used to replace sulfur, a lubricating agent that, when burned, produces sulfur dioxide. The primary component in acid rain. Instead of sulphur, all diesel fuel sold in France contains 5% bio-diesel.

Biodiesel is safe to handle because it is biodegradable and non-toxic. According to the national bio-diesel board, “neat diesel is as biodegradable as sugar and less toxic than salt.”

Biodiesel is safe to transport. Bio-diesel has a high flash point, or ignition temperature, of about 150°C compared to petroleum diesel fuel, which has a flash point of 52°C.

Engines running on bio-diesel run normally and have similar fuel mileage to engines running on diesel fuel. Auto ignition, fuel consumption, power output, and engine torque are relatively unaffected by biodiesel.

CONCLUSIONS

Crude Karanaja oil was transesterified using NaOH as catalyst and methanol to form biodiesel .The conversion was 92% at 600c. The fuel properties like viscosity,density,flash point ,fire point and calorific value of the the transesterified product(biodiesel ) compare well with accepted biodiesel standards i.e ASTM and German biodiesel standards.

Representative APR 391%

Let's say you want to borrow $100 for two week. Lender can charge you $15 for borrowing $100 for two weeks. You will need to return $115 to the lender at the end of 2 weeks. The cost of the $100 loan is a $15 finance charge and an annual percentage rate of 391 percent. If you decide to roll over the loan for another two weeks, lender can charge you another $15. If you roll-over the loan three times, the finance charge would climb to $60 to borrow the $100.

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