Q16 of 27 Page 95

Name two alternative arrangements for sewage disposal where there is no sewerage system.

two alternative arrangements for sewage disposal where there is no sewerage system are :

i) Low cost onsite sewage disposal system like a septic tank.


ii) Hygienic on-site human waste sewage disposal technology is also good as these toilets do not require scavenging. Excreta from toilet seats directly flow to a nearby biogas plant through cover drains.


More from this chapter

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14

Name two inorganic impurities present in sewage.

 15

Animal waste, oil and urea are some of the organic impurities present in sewage. Name two more organic impurities present in sewage.

 17

A man traveling in a train threw an empty packet of food on the platform. Do you think this is a proper waste disposal method? Elaborate.

 18

Why should we not throw

(a) Used tea leaves into sink?


(b) Cooking oil and fats down the drain?