Necessity and Passion as Motivators

We heard many times that Necessity is the mother of invention.  Besides necessity there is another driving force for success ‘Passion’.  Necessity and passion together change the dynamics of achievement.  If a person feels necessity for achievement considers situation, opportunity and time as essential tools, and devise a plan wisely with passion, sure the achievement is well scripted and guaranteed.

Necessity ultimately inspires one towards the goal of achievement.  A young boy doesn't want to take cold water bath even when his mother tries to convince him with love and affection.  But the same boy if he gets his cloths dirty by paying in muddy play ground, would have no second thoughts to take cold water bath.  The desire dominates his comfort priorities as the necessity to be clean drives him to do so.

A young boy lost both his eyes while playing.  He could see no more.  He realized that he depends lifelong on others and he wanted to study to rid of his vulnerable situation.  He wanted to overcome the blindness with his hands.  He started thinking differently day and night.  The necessity and passion lead him to invent a unique way to study. He ultimately made the script which could be understood by touch.  Yes the boy was Lewis Brailey and he gave the world a new script that became the light for the blind.

At times a mere request from others becomes necessity.  And if passion joins this mere necessity, it unveils the new era of mysteries.  University of Taxila (c. 6^th Century B.C.) was famous for imparting medical sciences along with metaphysics and mathematics. Jeevaka studied medicine for seven years and the time had come to test his proficiency. Upon completing Ayurveda studies he wanted to pay gurudakshina (gift to professor) to his mentor teacher. His teacher gave him a spade and pick axe and asked him to examine every plant growing around Taxila for a Yojana (tweleve miles) and bring a plant which has no medicinal value. Jeevaka obeyed and examined every plant (specified) and reported after three years that he did not find any plant which had no medicinal property. The teacher was satisfied that Jeevaka had become adept.  He apologized to the sage saying that he was unable to pay gurudakshina he didn’t find a plant without any medical values and requested him to ask for some other gift.  The sage told Jeevaka that he had got his gift with his answer itself as he made research on numerous plants and brought them to public benfit.

If the necessity drives one towards a cause with passionate intentions, it always brings great revelations to the world and mankind. 

Science Project Bio-diesel

Biodiesel science fair project details:

The world is fast consuming petroleum reserves and soon going to face the fossil fuel shortages.  Many nations are facing the economic crisis due to high import costs of petroleum products.  This is necessitating the world to look for alternative fuels and better renewable sources.  It is up to the humans to take up the challenge and develop viable technologies to make alternative fuels replacing petroleum.  Here is good chance for students to take part in this challenge and show their ability experimentally at science fair.

Biodiesel is a renewable fuel that can be manufactured from vegetable oils, animal fats, or recycled restaurant grease for use in diesel vehicles. Biodiesel is usually made from plant oils or animal fat by reacting oil with alcohol in the presence of a catalyst. It is both non-toxic and renewable. Since biodiesel essentially comes from plants and animals, the sources can be replenished through farming and recycling. 

Biodiesel's physical properties are similar to those of petroleum diesel, but it is a cleaner-burning alternative since it has almost no sulphur content, no aromatics and has about 10% built-in oxygen, which helps it to burn fully. Using biodiesel in place of petroleum diesel, especially in older vehicles, can reduce emissions. Its higher cetane number improves the ignition quality even when blended in the petroleum diesel. Biodiesel is safe and can be used in diesel engines with little or no modification needed.

Although biodiesel can be used in its pure form, it is usually blended with standard diesel fuel. Its higher cetane number improves the ignition quality even when blended in the petroleum diesel. Blends are indicated by the abbreviation Bxx, where xx is the percentage of biodiesel in the mixture. For example, the most common blend is B20, or 20 percent biodiesel to 80 percent standard. So, B100 refers to pure biodiesel.

PROJECT:  This science project is based on Used Vegetable Oil.  Used Vegetable Oil is reacted with alcohol and sodium hydroxide in the presence of a catalyst, filtered to obtain biodiesel. Student team can make a table top production plant for biodiesel and a batch could be prepared experimentally.

  

Basis:  A city with one million populations would be generating about eight tons of used vegetable oil at various restaurants that could be converted to biodiesel.  The Biodiesel thus produced could meet a 3MW generation unit fuel requirements.

Plant or equipment requirements:

Reaction Kettle (5 liter capacity)

Slow Stirrer

Thermometer

Heater

Filter Column

Measuring Vessels

Safety gloves & goggles

RAW MATERIALS:

Used Vegetable Oil; Methyl Alcohol; Sodium Hydroxide

PROCESS:

·         Acid Esterification. Oil feed stocks containing more than 4% free fatty acids go through an acid esterification process to increase the yield of biodiesel. These feed stocks are filtered and preprocessed to remove water and contaminants, and then fed to the acid esterification process. The catalyst, sulfuric acid, is dissolved in methanol and then mixed with the pretreated oil. The mixture is heated and stirred, and the free fatty acids are converted to biodiesel. Once the reaction is complete, it is dewatered and then fed to the transesterification process.

·         Transesterification. Oil feed stocks containing less than 4% free fatty acids are filtered and preprocessed to remove water and contaminants and then fed directly to the transesterification process along with any products of the acid esterification process. The catalyst, potassium hydroxide, is dissolved in methanol and then mixed with and the pretreated oil. If an acid esterification process is used, then extra base catalyst must be added to neutralize the acid added in that step. Once the reaction is complete, the major co-products, biodiesel and glycerin, are separated into two layers.

·         Methanol recovery. The methanol is typically removed after the biodiesel and glycerin have been separated, to prevent the reaction from reversing itself. The methanol is cleaned and recycled back to the beginning of the process.

·         Biodiesel refining. Once separated from the glycerin, the biodiesel goes through a clean-up or purification process to remove excess alcohol, residual catalyst and soaps. This consists of one or more washings with clean water. It is then dried and sent to storage. Sometimes the biodiesel goes through an additional distillation step to produce a colorless, odorless, zero-sulfur biodiesel.

·         Glycerin refining. The glycerin by-product contains unreacted catalyst and soaps that are neutralized with an acid. Water and alcohol are removed to produce 50%-80% crude glycerin. The remaining contaminants include unreacted fats and oils. In large biodiesel plants, the glycerin can be further purified, to 99% or higher purity, for sale to the pharmaceutical and cosmetic industries.

Ø  1000ml Used Vegetable Oil is measured into reaction kettle.

Ø  Dilute acid esterification to be carried out if found required based on the fatty acid content in used vegetable oil (rarely required).

Ø  250ml methanol is taken into a jar and 2gms of Sodium hydroxide is added to make sodium methoxide.

Ø  The oil is preheated up to 50­­ degree Celsius.

Ø  Sodium methoxide solution is gradually poured into the oil and is stirred continuously for 15 mins.

Ø  The mixture is let to settle down until the glycerine produced during the reaction settles down.

Ø  The bio-diesel is decanted into the filter column which filters all the impurities such as water and other unreacted agents.

Basic preparation of biodiesel remains the same but for different filtration techniques.  There are two types of bio diesel filtration namely wet wash method and dry wash method.  In wet wash method the impure biodiesel is washed with water repeatedly and filtered to remove glycerine traces, unreacted acids, etc.  In dry wash method the impure biodiesel directly fed to the filtration column consisting of different filter bed materials that would absorb unreacted oils, glycerine, water, etc.  Dry wash method is advantageous because it consumes less water and less time resulting in reduced effluent problems and increased productivity.

Following precautions need to be taken by the students:

·         To wear gloves and goggles while conducting experiment.

·         To be cautious when using electric appliances for heating and stirring.

NOTE: This project is prepared in a simple manner keeping in view of students.  More technical, statutory and commercial details could be obtained from library and internet.  

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Goal Management - five steps to achievement

Goal Management – importance

Every individual aspires to be a successful person in his life.  They even have loads of ideas and plans for future.  They set goals and try to visualize their bright future.  But, to be frank, most of the times individuals fail to reach their goals or keep on struggling to achieve the set goal.  While some achieve their goal with ease, most others fail sadly.

Why this happens?  What is the difference between the achievers and the rest?

Some act in a planned manner and achieve what they aim while the others just aim and act without any planning.  Planning is nothing but a road-map giving guidance towards success.   A well devised plan for sure leads one to successful bay.

You may wonder that “is there a planning method?” and the answer is “yes there is though there is no concrete mathematical formula, there is undoubtedly a process involving steps that lead to success”.

STEP by STEP approach surely makes one taste the success he aspires.

STEP1:  Identify Critical Resources

First and foremost process is to list out the resources required to achieve the set goal.  Resources could be money, materials, men, etc. that would be necessary in achieving the set goal.  The resources required to be estimated both in terms of quantity and quality.  One should not forget to add time into resource list too.  How much time you have is the target date you set for yourself.

Let’s take cross country journey.  The resources required are definitely a vehicle, assistants, money for fuel, camping needs, etc.

STEP2:  Identify Critical Activities

No journey is a simple drive.  There could be many twists and turns and the driver need to be good.  Similarly, to achieve the set goal, one needs to identify the proper ways to tackle the possible or expected hurdles in way of the goal achievement.  Identifying the possible hurdles before hand gives advantage of smooth handling of the situations and lowers the possibility of failure as you are ready with an alternative action for the same.

If a driver during the cross country journey has a road map with latest directions and various emergency contact numbers the journey would be completed with any hassles.  Having proper information of an alternative route is much to the advantage of driver in adverse situations.

STEP3:  Identify Goal Phases.

One needs to break the entire action into phases so that the process could be achieved in parts and ultimately the set goal.  Breaking the entire goal into phases with mini goals for each phase would be another way of achieving the main goal easily.  Each phase goal would give opportunity to verify whether the progress is on the right track or not. 

A 1000 mile drive is hard whereas five 200 mile journeys with halt in between would be much easier to complete without any mishaps.  Better is to complete the journey without any mishaps than risking a long drive with possible mishap.

STEP4:  Identify the action plan.

Once the phases have been identified, next step is to document the strategies for each phase in action plan.  The action plan should consist phase wise time line and action sequence towards phase goal realization. Typical approach required for each set of situations for successful completion of each phase.

Even a 200 mile journey would have to be planned adequately by the driver to meet the target.  Each situation requires a typical approach by the driver such as night driving, early morning fog, single lane.  The time required to complete the journey depends on the situational factors.

STEP5:  Evaluate effectiveness

To ensure that the planning efforts are successful, it is important to systematically monitor action process, evaluate activities and make necessary adjustments. Each phase to be assessed for effectiveness and the possible lapses in actions to be understood, so that the next phase activities amended based on the review.  Thus the phase wise review gives every opportunity in identifying the lapses and chance for corrective actions that would result in the achievement of final goal.

You will complete the journey towards the GOAL in time if you follow the above FIVE STEPS.  What all you need to do is phase, plan and pursue.

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