Difference between revisions of "Biogas-Plant/C2/Benefits-of-Biogas/English-timed"

|'''Time'''

|'''Narration'''

| Welcome to the '''Spoken Tutorial '''on '''Biogas''' and its benefits.

| In this tutorial, we will learn about biogas, how it is produced and its uses.  

|We will also learn in brief about the biogas '''plant'''.

|So, what is biogas? Biogas is a gaseous fuel. It is a product of fermentation of remains of the bio-degradable organic waste.

| Biogas can be produced easily and for free, by using a biogas '''plant'''. This is what a family type biogas plant looks like.

| Some of the benefits of using a biogas plant are listed as:

|Installation of family type biogas plants in villages helps protect natural resources.

|It also provides standard basic amenities to the rural population.

|Biogas plants help reduce the drudgery of women, in collecting fuel wood from long distances.

|It also helps in minimizing health hazards during cooking in smoky kitchens.

| Once constructed, the lifespan of a biogas '''plant''' is approximately 25 years.

|Biogas plants are easy to use and the maintenance is quite simple.

| The raw materials used to produce biogas are- waste generated in the kitchen, like- vegetable and fruit peels, leftover food items, eggshells, bones etc.

|Domestic wet waste like the water used for cleaning floors, spoilt milk or tea etc.

|Plant materials like fallen leaves, flowers, stems etc.

| We can also use waste generated on farms, solid waste of cattle, liquid waste of cattle and the solid and liquid sewage waste that goes into the toilets.

| Let us briefly learn how biogas is generated.

| This is the diagram of the family type Biogas '''plant'''.

|What you see here is the mixing tank where we put the raw material.

|The inlet pipe carries this raw material inside the Biogas plant.

| And this is the digester tank where the biogas is generated due to fermentation of raw material.  

| It is also called as the compost tank. Here is the output valve from where the biogas is ejected out of the plant.

| There is also an outlet pipe for the '''slurry'''.

|The slurry collects in the slurry tank and can be taken into the fields, to be used as manure.

| So, how much of space is required to build a family type biogas plant?

|Typically, to build a family type biogas plant, we require 12 ft by 8 ft of land.

| Now we will discuss about the budget for building a Biogas plant.

| The minimum cost for building a biogas plant is from Rs 20,000 to Rs 23,000/-. This amount may however vary from place to place.

| A few banks provide loans to build a biogas plant.

| The government also provides subsidies on completion of biogas plant.

| The government gives extra subsidies for the tribal areas through Zilla parishad and Gram Panchayat.

| Additional subsidy of Rupees 1200 is given if the biogas plant input is connected to the toilet.

| The details of the cost of building the biogas plant,

|how to apply for the loan in a bank and the subsidy will be covered in other tutorials, in the same series.

| Now let's see the benefits of biogas.

| The use of biogas and biogas '''plant''' are extremely beneficial. Biogas is an eco-friendly, non-polluting, renewable source of energy.

| Biogas is a very good replacement for LPG, kerosene and firewood.

| It can be obtained free of cost, once the biogas plant is built.

| Biogas plant helps in human and cattle waste management, agricultural waste management as well as kitchen and domestic waste management.

| It also decreases soil and water pollution and plays a critical role in preventive healthcare.

| By using biogas, we can save a lot of time which is otherwise spent in collecting firewood.

| Use of biogas is also very good for health as no smoke is produced.

| Also, it is very hygienic as there is no charcoal deposition on the walls of the cooking area. This usually occurs when firewood is used.

| Next, we will learn what are the other by-products of the biogas plant.

| We can get nutrient-rich natural manure from the slurry generated by the biogas plant.

| The slurry can also be dried and powdered and stored for use, later in the fields.

|The dried slurry powder can be sold as natural manure to farmers, fruit orchard owners  and nurseries in the big cities.

| This manure can also be used to make organic fertilizers with the help of earthworms.

|This is easily done with a technique known as '''vermicomposting.'''

| And, this organic fertilizer can once again be sold and become a source of income for the family.

| Generally, biogas generated by a family type biogas plant is used for cooking.

| Some rural small-scale industries use biogas to supply heat in various processes.

| Let’s now watch a testimonial from a biogas user family.

|Hello, my name is Subhash Balachandra Madgowkar and this is my wife Shubdha.   

|There are four members in my family and we also have three cattle.

|Sometimes we also used to purchase firewood. Now we have been using biogas for past 10 years.

|Ever since using biogas, we don’t have to go to far off places to collect firewood. We don’t have to purchase firewood.

|Biogas is easy to use and is sufficient for cooking for my entire family.

|Let us summarize. In this tutorial we learnt about biogas, how it is produced and its uses.

|We also learnt about the biogas plant, cost of building a biogas plant and benefits of using biogas.

| This video was created by '''Spoken tutorial Project''' with inputs from '''Rural-ICT''' team, '''IIT Bombay'''.

| More information on these projects can be found at these link:

'''http://spoken-tutorial.org/NMEICT-Intro'''

| This is Bella Tony along with the animation team of the '''Spoken Tutorial''' project, signing off. Thank you for joining.