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

Diversity and assimilation, 1- What are some defining events that can be tr...

1- What are some defining events that can be traced to laws or legal issues that influence diversity and organizational culture today? 2- Are stereotypes in the media assisting

Atoms and elements, why the atoms in neon gas do no join up in the same way...

why the atoms in neon gas do no join up in the same way that hydrogen atoms do?

Importance of nutrition, Importance of nutrition: We cannot live withou...

Importance of nutrition: We cannot live without food. Our hunger can be satisfied by any kind of meal, but to  remain healthy and free of disease, our body requires certain kin

Why starch is not soluble in water, Starch  is not  soluble  in  water ...

Starch  is not  soluble  in  water  ?? It forms colloid  in  aqueous medium  called  as micelles.  Iodine reacts with both amylose and amylopectin, but the former produces a co

SZXDASDas, AskDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD question #MinaDASDDimum 100 ...

AskDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD question #MinaDASDDimum 100 words accepted#

Learning theory, explain what ausubel''s theory say about learning

explain what ausubel''s theory say about learning

Construction standards set by bureau of indian standards, CONSTRUCTION STAN...

CONSTRUCTION STANDARDS SET BY BUREAU OF INDIAN STANDARDS : At the construction stage itself, the design of the laboratory buildings should be made in accordance with safety norms.

Explain the regulation of thyroid hormone secretion, Explain the Regulation...

Explain the Regulation of Thyroid Hormone Secretion TSH from the anterior pituitary gland controls the secretion of thyroid hormones. Thyrotropin Releasing Factor (TRF) from th

Objectives basic aspects of electrical maintenance, Objectives After pe...

Objectives After performing the activities under this exercise you should be able to: 1. Calculate the current drawn by a given instrument/equipment /appliance and suggest a

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