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‡nµ pH Á¦·É¤˜oœ ¨³œ·— °Š NZVI Á oµ¤µÁ„¸É¥ª o°ŠÄœ„µ¦š—¨°Š šÎµÄ®oŗoŸ¨„µ¦Á¦n Š„µ¦¨µ¥˜´ª °Š 2,4-DCP Áž}œ
Áž°¦rÁŽÈ œ˜r„µ¦¨µ¥˜´ª (% Removal) —´Š˜µ¦µŠš¸É 2
˜µ¦µŠš¸É 2 —Š£µª³Äœ„µ¦š—°„µ¦Á¦nŠ¨µ¥˜´ª °Š 2,4-DCP ץčo NZVI ˜n ¨³„µ¦š—¨°Š
Run order Catalyst Fe0 dosage (g/l) Initial pH % Removal
1 B 6 7 2.92
2 A 6 9 16.61
3 A 6 7 26.77
4 A 8 9 21.05
5 B 7 8 6.64
6 A 7 8 20.06
7 A 7 8 21.95
8 A 8 7 22.72
9 B 7 8 1.14
10 B 6 9 0.50
11 B 8 7 8.25
12 B 8 9 2.23
®¤µ¥Á®˜»: A = NZVI š¸É ´ŠÁ‡¦µ³®r ¨³ B = NZVI šµŠ„µ¦‡oµ
Ÿ¨„µ¦ª·‹´¥Â¨³°£· ž¦µ¥Ÿ¨
„µ¦š—°„µ¦Á¦nŠ„µ¦¨µ¥˜´ª °Š 2,4-DCP —oª¥ NZVI oµŠ˜oœ Ťn˜o°Š„µ¦Ä®oŸ¨„µ¦Á¦nŠ„µ¦¨µ¥˜´ª °Š
2,4-DCP Áž}œ 100 Áž°¦rÁŽÈœ˜r ÁœºÉ°Š‹µ„„µ¦š—°œ¸ÊšÎµÁ¡¸¥ŠÁ¡ºÉ°«¹„¬µÂœªÃœo¤ °Š„µ¦Á¦nŠ„µ¦¨µ¥˜´ªÁšnµœ´Êœ ‹¹Š
ŗo¤¸„µ¦š—°Â¨³Á„ȝ˜´ª°¥nµŠÄœ¦³¥³Áª¨µ´ÊœÇ Á¡ºÉ°Ä®o ŗo £µª³š¸ÉÁ®¤µ³¤‡º °š¸ÉÁª¨µ 3 ´ÉªÃ¤Š šÎµÄ®oŗoŸ¨„µ¦
Á¦n Š„µ¦¨µ¥˜´ª —Š—´ Š˜µ¦µŠš¸É 2
£µ¡š¸É 1 —Š o°¤¼ ¨„µ¦Îµ¦ª‹ o°¤¼¨ÁºÊ°Š˜oœ‹µ„„µ¦Á¦nŠ„µ¦¨µ¥˜´ª °Š 2,4-DCP —oª¥ NZVI ×¥š¸É£µ¡
š¸É 1 (a) —Š‡ªµ¤´¤¡´ œ›r°Š‡ªµ¤œnµ‹³Áž}œ °Š‡nµ‡ªµ¤Ÿ·—¡¨µ— (Residuals) Ĝ¦¼ž„µ¦„¦³‹µ¥Âž„˜·
(Normal Probability Plot) „¦µ¢—´Š„¨nµª‡ª¦¤¸ ¨´„¬–³Áž}œÁoœ˜¦Š ˜n‹µ„£µ¡š¸É—Š oµŠ˜oœ„¦µ¢¤¸ÂœªÃœo¤Áž}œ
Áo œ˜¦Š œ´Éœ‡º°„µ¦Â‹„‹Š °Š‡n µ‡ªµ¤Ÿ·—¡¨µ— °Š o °¤¼¨ž„˜·˜¨°—š´Ê Š„µ¦š—¨°Š £µ¡š¸É 1 (b) —Š
‡ªµ¤´ ¤¡´œ›r°Š‡nµ‡ªµ¤Ÿ·—¡¨µ—¨³‡nµÁŒ¨¸É¥ °ŠÁž°¦r ÁŽÈœ˜r„µ¦¨µ¥˜´ ª °Š 2,4-DCP ¨³£µ¡š¸É 1 (c) —Š
‡ªµ¤´ ¤¡´œ›r°Š‡nµ‡ªµ¤Ÿ·—¡¨µ—¨³¨Îµ—´š¸É°Š„µ¦š—¨°Š Ž¹ÉŠš´ÊŠ£µ¡š¸É 1 (b) ¨³£µ¡š¸É 1 (c) —´Š„¨nµª¤¸
œªÃœo¤„µ¦„¦³‹µ¥˜´ªÂ»n¤Ã—¥Å¤n¤¸¦¼žÂ˜µ¥˜´ª ¨³¤¸‡nµ‡ªµ¤Ÿ·—¡¨µ—Å—oŤnÁ„·œ ±3 —Š™¹Š‡nµ‡ªµ¤
ž¦ž¦ªœš¸É‡Šš¸É ˜¨°—„µ¦š—¨°Š ¨³£µ¡š¸É 1 (d) —Š‡ªµ¤´ ¤¡´œ›r°Š‡nµÁž°¦rÁŽÈ œ˜r„µ¦¨µ¥˜´ª °Š 2,4-DCP
‹µ„„µ¦šÎµœµ¥ (Predicted value) ¨³‡nµ‹¦·Š (Actual value) „¦µ¢š¸Éŗo Áž}œÁoœ˜¦Š ×¥¤¸‡nµ R2 = 98.33% ¨³
R2(adj) = 93.86% ‹µ„Ÿ¨„µ¦Îµ¦ª‹ o°¤¼ ¨ÁºÊ°Š˜oœ šÎµÄ®o ¦»žÅ—oªnµÂ‹Îµ¨°Šª· ›¸Â¢‡š°Á¦¸¥¨Á˜È ¤¦¼žÂšÎ µŽÊε‹»—
„¹ÉŠ„¨µŠš¸Éŗo °°„œ´Êœ¤¸‡ªµ¤Á®¤µ³¤