full2010.pdf - page 143

105
‡ÎµœÎµ
¦³Îµ´ —œÊεÁ¸¥šµŠ¸ ª£µ¡š¸ÉÁž}œš¸É œ·¥¤š´ÊŠÄœž¦³Áš«Åš¥Â¨³˜n µŠž¦³Áš« ŗo„n ¦³˜³„°œÁ¦nŠ
(Activated Sludge) ÁœºÉ °Š‹µ„Áž}œ¦³š¸É ‡ª‡»¤Šnµ¥Â¨³ž¦³·š›· £µ¡¼Š „µ¦°°„¦³œ¸Ê¤´ „œÎµ‡nµ
‹¨œ¡¨«µ˜¦r °ŠœÊÎ µÁ¸¥»¤œ‹µ„˜nµŠž¦³Áš«¤µÄoĜ„µ¦°°„ ÁœºÉ°Š—oª¥‡nµ‹¨œ¡¨«µ˜¦rœ¸ÊÁž}œ˜´ ªÂž¦
‡ª‡»¤£µª³˜nµŠÇ Ĝ„µ¦šÎµŠµœ °Š¦³Ä®oÁ®¤µ³¤„´‡»–¤´˜·°ŠœÊεÁ¸¥ Ánœ ‡ªµ¤Á o ¤ oœ °Š¸ª¤ª¨Äœ
™´ŠÁ˜·¤°µ„µ« ¦³¥³Áª¨µÁ„ȝ„´„˜³„°œÄœ¦³ œµ— °Š™´Šž’·„·¦·¥µ Áž}œ˜oœ ˜nÁœºÉ°Š‹µ„œÊεÁ¸¥» ¤œ °Šž¦³Áš«
Ś¥„´ °Š˜n µŠž¦³Áš«¤¸¨´„¬–³¤´˜·š¸É ˜„˜nµŠ„´œ‡n °œ o µŠ¤µ„ —´Šœ´Ê œ Šµœª· ‹´¥·Êœœ¸Ê ‹¹Š¤¸ª´ ˜™»ž¦³Š‡rÁ¡ºÉ °
„µ¦«¹ „¬µ‡nµ‹¨œ¡¨«µ˜¦rš¸É Á®¤µ³¤Â„n„µ¦œÎµ¤µÄo‹¦·ŠÄœž¦³Áš«Åš¥ ץčoœÊεÁ¸¥‹µ„抇ª‡»¤‡»–£µ¡œÊε
®œ°ŠÂ ¤Áž}œ˜´ ªÂšœ °ŠœÊÎ µÁ¸¥»¤œ ¨³Äo œ¤ µ—¤´œÁœ¥Á¡ºÉ °Á¡·É¤‡ªµ¤Á o ¤ oœ °ŠœÊεÁ¸¥ ץŗo«¹„¬µ‡nµ
‹¨œ¡¨«µ˜¦r 2 ‡nµ ŗo„n °´˜¦µ„µ¦Á‹¦· Á˜·Ã˜‹ÎµÁ¡µ³¼Š»— °Š‹»¨¸ ¡ (maximum specific growth rate; Pm) ¨³
´¤ž¦³·š›·Í„µ¦°·É¤˜´ª‡¦¹ÉŠ®œ¹ÉŠ °Š‹»¨¸¡ (Half-saturation coefficient; KS) ¦ª¤™¹ŠÅ—ošÎµ„µ¦«¹„¬µ‡nµ´¤ž¦³· š›r
„µ¦Á‹¦·Á˜·Ã˜ (Growth yield; Y)
°» ž„¦–r¨³ª·›¸„µ¦
°»ž„¦–rš¸ÉčoĜ„µ¦š—¨°Š
- ™´Šž’·„·¦·¥µšÎµ‹µ„ ª—œÊε¡¨µ˜·„ œµ— 2 ¨·˜¦
- œÊεÁ¸¥‹¦·Š‹µ„抇ª‡»¤‡»–£µ¡œÊ宜°ŠÂ ¤ ¨³œÊεÁ¸ ¥´ŠÁ‡¦µ³®r‹µ„œ¤ µ—¤´œÁœ¥
- Á‡¦ºÉ°ŠÁ˜·¤°µ„µ«¡¦o°¤µ¥¥µŠÂ¨³®´ª‹nµ¥°µ„µ«
¤„µ¦š¸É čoĜ„µ¦«¹„¬µ‡nµ‹¨œ¡¨«µ˜¦r
1. ¤„µ¦°´˜¦µ„µ¦Á‹¦·Á˜·Ã˜ °Š‹»¨¸¡ (rGX)
,
S
GX mH B H
S S
S
r u x
K S
§ ·
¨ ¸
© ¹ (1)
×¥š¸É PmH = °´˜¦µ„µ¦Á‹¦·Á˜·Ã˜‹ÎµÁ¡µ³¼Š»— °Š‹»¨¸¡ (¤.-1)
KS = ´¤ž¦³·š›·Í„µ¦°·É¤˜´ª‡¦¹ÉŠ®œ¹É Š °Š‹»¨¸¡ (¤„./¨.)
SS = ‡ªµ¤Á o¤ oœ °Šµ¦°µ®µ¦¨³¨µ¥œÊε (¤„./¨.)
XB, H = ‡ªµ¤Á o¤ oœ °Š˜³„°œ‹»¨¸¡ (¤„./¨.)
2. ¤„µ¦°´˜¦µ„µ¦¨µ¥˜´ª °Š‹»¨¸¡ (rDX)
, -
DX H B H r b X (2)
×¥š¸É bH = °´ ˜¦µ„µ¦¨µ¥˜´ª‹ÎµÁ¡µ³ °Š‹»¨¸¡ (¤.-1)
3. ¤„µ¦°´˜¦µ„µ¦„ε‹´—µ¦°µ®µ¦ (rS)
, - mH S
s B H
H S S
u S
r X
Y K S
§ ·
¨ ¸
© ¹ (3)
×¥š¸É YH = ‡nµ´¤ž¦³·š›·Í„µ¦Á‹¦· Á˜·Ã˜ °Š‹»¨¸¡®¦º°¥· ¨—r (¤„.-ª¸Á°Á°/¤„.-Ž¸Ã°—¸)