Question

impurities in sewage ?? with full explanation​

Answer 1

Answer:

Question ⤵️

impurities in sewage ?? with full explanation

Answer ⤵️

The organic impurities present in sewage are: Human faeces, Animal waste (like Animal dung), Urea (as Urine), Oil, Fruit and Vegetable wastes, Pesticides, and Herbicides, etc. (2) The inorganic impurities present in sewage are: Nitrates, Phosphates and Metals

Answer 2

IᗰᑭᑌᖇITIᗴՏ Iᑎ Տᗴᗯᗩᘜᗴ :

Sᴇᴡᴀɢᴇ ɪs ᴀ ᴄᴏᴍᴘʟᴇx ᴍɪxᴛᴜʀᴇ ᴏғ ᴡᴀᴛᴇʀ ᴀɴᴅ ᴘᴏʟʟᴜᴛᴀɴᴛs. Sᴇᴡᴀɢᴇ ɢᴇɴᴇʀᴀᴛᴇʀs ғʀᴏᴍ ʜᴏᴍᴇs , ғᴀᴄᴛᴏʀɪᴇs , ʜᴏsᴘɪᴛᴀʟs ᴀɴᴅ ᴏᴛʜᴇʀ ɪɴsᴛɪᴛᴜᴛɪᴏɴ. Sᴇᴡᴀɢᴇ ᴄᴏɴᴛᴀɪɴs ᴍᴀɴʏ sᴏʟᴜʙʟᴇ , ɪɴsᴏʟᴜʙʟᴇ ᴀɴᴅ sᴜsᴘᴇɴᴅᴇᴅ ɪᴍᴘᴜʀɪᴛɪᴇs ᴡʜɪᴄʜ ᴡᴇ ᴄᴀʟʟ ᴀs ᴄᴏɴᴛᴀᴍɪɴᴀɴᴛs . ᴛʜᴇ ᴄᴏɴᴛᴀᴍɪɴᴀɴᴛsᴍᴀʏ ʙᴇ :

1. Oʀɢᴀɴɪᴄ ɪᴍᴘᴜʀɪᴛɪᴇs sᴜᴄʜ ᴀs ʜᴜᴍᴀɴ ᴡᴀsᴛᴇ , ᴀɴɪᴍᴀʟ ᴡᴀsᴛᴇ ᴀɴᴅ ᴀɴɪᴍᴀʟ ᴅʀᴏᴘᴘɪɴɢs, ᴋɪᴛᴄʜᴇɴ ᴡᴀsᴛᴇ , ᴡᴀsᴛᴇ ғᴏᴏᴅ , ᴅʀɪᴇᴅ ғʟᴏᴡᴇʀs , ᴄʜᴇᴍɪᴄᴀʟs ʟɪᴋᴇ ᴏɪʟ , sᴏᴀᴘs , ᴅᴇᴛᴇʀɢᴇɴᴛ , ᴘᴇsᴛɪᴄɪᴅᴇs ᴇᴛᴄ.

2. Mɪɴᴇʀᴀʟ sᴀʟᴛs ᴀɴᴅ ɪɴᴏʀɢᴀɴɪᴄ ɪᴍᴘᴜʀɪᴛɪᴇs ʟɪᴋᴇ sᴀʟᴛs ᴏғ ᴅɪғғᴇʀᴇɴᴛ ᴋɪɴᴅs. Sᴏᴍᴇ ᴏғ ᴡʜɪᴄʜ ᴍᴀʏ ʙᴇ ɴᴜᴛʀɪᴇɴᴛ sᴀʟᴛ ᴏғ ɴɪᴛʀᴏɢᴇɴ ᴀɴᴅ ᴘʜᴏsᴘʜᴏʀᴜs . Aɢʀɪᴄᴜʟᴛᴜʀᴇ ᴡᴀsᴛᴇ ɪɴᴄʟᴜᴅᴇs ғᴇʀᴛɪʟɪᴢᴇʀs ᴀɴᴅ ᴘᴇsᴛɪᴄɪᴅᴇs.

3. Mɪᴄʀᴏʙᴇs ʟɪᴋᴇ ʙᴀᴄᴛᴇʀɪᴀ , ғᴜɴɢᴜs ᴘʟᴀɴᴛs , ᴡᴏʀᴍs ᴀɴᴅ ɢᴇʀᴍs .

4. Rᴜʙʙɪsʜ sᴜᴄʜ ᴀs ʀᴀɢs , ᴡᴏᴏᴅ sᴄʀᴀᴘɪɴɢs , ᴘᴀᴘᴇʀ sᴛʀɪᴘs , ɴᴀᴘᴋɪɴs , ɢʀɪᴛ ᴀɴᴅ sᴀɴᴅ