Solid waste, Science

Assignment Help:

Solid waste

Solid waste in some cases can be a resource. A good example is the factory at Yokohama in Japan which is engaged in converting waste paper into toilet paper. In our country, the mainstreet of Patna city is being illuminated by biogas produced from nightsoil of  the city dwellers. In Delhi, the sewage treatment plant produces cooking gas. Fermentation of wastessuch as cattle dung, human excreta, garbage and aquatic weeds like algae and water hyacinth, produces biogas which can be used for a variety of purposes. Fermentation takes place at temperatures between 28° and 40°C and gases produced are predominantly methaneand carbon dioxide with a small quantity of hydrogen sulphide and nitrogen. Slag, a waste product left when the metal has been extracted from  its ore, can be powdered and added to cement for construction. Flyash  is another material used as a valuable cementing material. It is clear from the above that the solid wastes can serve as very useful resource for providing  raw material for our industries, for generating energy and for the production of manure. 


Related Discussions:- Solid waste

Advantages of water in chemical weathering, Advantages of water in chemical...

Advantages of water in chemical weathering Water is an essential factor of chemical weathering  and when it contains dissolved salts and acids it is all the more effective. It

Grade 8 Science Winter Break Packet STUDENT 2015-2016, Eight students condu...

Eight students conducted a controlled experiment to demonstrate how walking and running affected their heart rates. Use the data below to answer the following questions. Effects of

Week6 assign, For this Assignment, you will identify a social issue or prob...

For this Assignment, you will identify a social issue or problem that is important to you and reflect on how it might be remediated through the application of learning principles t

How water acts towards fat, How water acts towards fat Half-fill a tall...

How water acts towards fat Half-fill a tall glass jar with warm water. Add some olive oil or other oil to a depth of about 1 cm. Shake this mixture hard. View how the fat is br

Non-renewable resources, Non-renewable Resources: After learning abou...

Non-renewable Resources: After learning about the renewable resources like water, forests etc., you would like to know what our non-renewable resources such as land, mineral,

What is the role of irb/iec in site close out, Question 1 What is the role...

Question 1 What is the role of Clinical Research Associate (CRA) in a Clinical Research Organization? Question 2 List the events prior to Site Close Out. What is the role of

Kangaroo, i wants to know about kangaroo because my teacher give me an assi...

i wants to know about kangaroo because my teacher give me an assignment so for that i wants to know everything about kangaroo

Social science, discuss the importance of society and culture to existence ...

discuss the importance of society and culture to existence of man .

Logic and philosophy, Ask question #Minimum 100 wordsaccepted# examine th...

Ask question #Minimum 100 wordsaccepted# examine the relationship between logic and philosophy

The arctic circle lies at which latitudes, The Arctic Circle lies at which ...

The Arctic Circle lies at which latitudes: At (66 ½oSouth)

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd