%PDF-1.6 % 3 0 obj <>/Contents [6 0 R 7 0 R]/MediaBox [0 0 499 709 ] >> endobj 6 0 obj <> stream BT 28.32 658.56 TD 0 0 0 rg /F0 9.12 Tf -0.08 Tc 0 Tw Tj 54 0 TD /F1 9.12 Tf -0.0674 Tc 2.3474 Tw ( 2001,21\(4\)) Tj ET q 9.12 0 0 -3.6 131.28 661.92 cm 0 0 0 rg BI /W 38 /H 15 /BPC 1 /IM true /D [ 1 0 ] ID  EI Q BT 140.16 658.56 TD -0.0877 Tc 0 Tw (359~361) Tj 31.92 0 TD 0 Tc 2.22 Tw ( ) Tj 144 0 TD 2.16 Tw ( ) Tj 27.12 0 TD 0.12 Tw ( ) Tj 4.56 0 TD -0.0848 Tc 2.3648 Tw (China Environmental Science) Tj ET 26.88 654.24 445.2 0.72 re f BT 28.32 611.52 TD /F2 18 Tf 0 Tc 0 Tw Tj 0 -28.8 TD /F0 10.56 Tf 0.48 Tc Tj 33.12 0 TD /F1 10.56 Tf 0 Tc (,) Tj 3.12 0 TD /F0 10.56 Tf 0.32 Tc Tj 33.12 0 TD /F1 10.56 Tf 0 Tc (,) Tj 3.12 0 TD /F0 10.56 Tf 0.48 Tc Tj 32.88 0 TD /F1 10.56 Tf 0 Tc (,) Tj 3.12 0 TD /F0 10.56 Tf Tj 11.04 0 TD /F1 10.56 Tf 3.36 Tw ( ) Tj 11.76 0 TD /F0 10.56 Tf 0 Tw Tj 11.04 0 TD /F1 10.56 Tf ( ) Tj 5.76 0 TD /F1 9.12 Tf 0.083 Tc (\() Tj 3.6 0 TD /F0 9.12 Tf 0.42 Tc Tj 114.48 0 TD /F1 9.12 Tf 0.12 Tc (,) Tj 2.88 0 TD /F0 9.12 Tf 0.345 Tc Tj 151.68 0 TD /F1 9.12 Tf 0.12 Tc (,) Tj 2.88 0 TD /F0 9.12 Tf 0.48 Tc Tj -423.6 -13.92 TD /F1 9.12 Tf -0.0224 Tc (100084\)) Tj 0 -28.08 TD /F2 7.44 Tf 0 Tc Tj ET q 7.44 0 0 -2.88 43.2 543.36 cm 0 0 0 rg BI /W 31 /H 12 /BPC 1 /IM true /D [ 1 0 ] ID  EI Q BT 50.64 540.72 TD /F0 7.44 Tf 0.18 Tc Tj 34.08 0 TD /F1 7.44 Tf -0.1024 Tc (IAWPRC) Tj 32.16 0 TD /F0 7.44 Tf 0.0982 Tc Tj 166.08 0 TD /F1 7.44 Tf 0.06 Tc (,) Tj 1.92 0 TD /F0 7.44 Tf 0.12 Tc Tj 106.08 0 TD /F1 7.44 Tf 0.06 Tc (.) Tj 1.92 0 TD /F0 7.44 Tf 0.18 Tc Tj 30.24 0 TD /F1 7.44 Tf 0.06 Tc (,) Tj 1.92 0 TD /F0 7.44 Tf 0.16 Tc Tj -396.72 -13.92 TD 0.0267 Tc Tj 69.12 0 TD /F1 7.44 Tf 0.1247 Tc (COD) Tj 17.76 0 TD /F0 7.44 Tf 0.04 Tc Tj 44.88 0 TD /F1 7.44 Tf 0.06 Tc (,) Tj 1.92 0 TD /F0 7.44 Tf 0.0758 Tc Tj 142.56 0 TD /F1 7.44 Tf 0.06 Tc (,) Tj 1.92 0 TD /F0 7.44 Tf 0.08 Tc Tj 67.44 0 TD /F1 7.44 Tf 0.06 Tc (,) Tj 1.92 0 TD /F0 7.44 Tf 0.09 Tc Tj 60 0 TD /F1 7.44 Tf 0.06 Tc (.) 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Tj 198.48 0 TD /F1 10.56 Tf 0 Tc 0 Tw ( ) Tj 4.08 0 TD /F1 9.12 Tf -0.2646 Tc 0.1446 Tw (LIU ) Tj 18 0 TD -0.0157 Tc 0 Tw (Guang-li,) Tj -407.76 -13.92 TD -0.4308 Tc 0.3108 Tw (WANG ) Tj 29.04 0 TD -1.0646 Tc 0 Tw (Y) Tj -0.0327 Tc 0.0327 Tw (u-jue, SHI Han-) Tj 63.36 0 TD -0.1009 Tc 0.1009 Tw (chang, QIAN ) Tj 50.64 0 TD -0.0741 Tc 0.1941 Tw (Yi \(State Key Joint Laboratory of Environmental Simulation and Pollution Control,) Tj -143.04 -13.92 TD -0.0675 Tc 4.6995 Tw (Department of Environmental Science and Engineering,) Tj 0 Tc 0.12 Tw ( ) Tj 231.36 0 TD -0.1063 Tc 4.7863 Tw (Tsinghua University, Beijing 100084, China\).) Tj 0 Tc -0.12 Tw ( ) Tj 188.88 0 TD /F4 9.12 Tf -0.0437 Tc 0 Tw (China) Tj -420.24 -14.16 TD -0.0591 Tc 0.1791 Tw (Environmental Science) Tj 83.04 0 TD /F1 9.12 Tf -0.0504 Tc 0.1704 Tw (. 2001,21\(4\)) Tj ET q 9.12 0 0 -3.6 155.52 432 cm 0 0 0 rg BI /W 38 /H 15 /BPC 1 /IM true /D [ 1 0 ] ID  EI Q BT 164.64 428.64 TD -0.0534 Tc 0 Tw (359~361) Tj -136.32 -13.92 TD /F3 9.12 Tf -0.0119 Tc (Abstract) Tj ET q 9.12 0 0 -3.6 61.92 418.08 cm 0 0 0 rg BI /W 38 /H 15 /BPC 1 /IM true /D [ 1 0 ] ID  EI Q BT 71.04 414.72 TD /F1 9.12 Tf -0.0701 Tc 0.2201 Tw (The activated-sludge-process-stimulated system software on the basic of I) Tj -0.1081 Tc 0.2881 Tw (AWPRC activated sludge model was) Tj -42.72 -13.92 TD -0.0619 Tc 0.5528 Tw (used to stimulate the oxidation ditch operation. The results showed that ) Tj 264.72 0 TD -0.0808 Tc 0.7208 Tw (hidrodynamic retention time \(HRT\) in the actual) Tj -264.72 -14.16 TD -0.0675 Tc 1.8835 Tw (operation satisfied the demand of the COD and ammonia-nitrogen removal; and the stimulated outflow values were) Tj 0 -13.92 TD -0.0663 Tc 1.3463 Tw (consistent with the values of the actual oxidation ditch. The software has the characters of good stabilization and fast) Tj T* -0.0712 Tc 0.1912 Tw (convergence speed.) 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Q7PF=~skRיՓHue]_$Ţ#'8.\3%/@o!/'y;x?'SgHkb3IJ'y9ו'ө1 d^t}@W ѧk.Rh|,Ы^5̐4btT!3U$[F@JGތAIw?& endstream endobj 25 0 obj <>/ProcSet 5 0 R >>/Contents [26 0 R 27 0 R]/MediaBox [0 0 499 709 ] >> endobj 26 0 obj <> stream BT 28.32 658.56 TD 0 0 0 rg /F1 9.12 Tf 0 Tc 0 Tw (4) Tj 6.72 0 TD /F0 9.12 Tf Tj 9.12 0 TD /F1 9.12 Tf 2.2235 Tw ( ) Tj 76.56 0 TD 2.04 Tw ( ) Tj 8.88 0 TD 0.12 Tw ( ) Tj 4.56 0 TD /F0 9.12 Tf -0.06 Tc 0 Tw Tj ET q 9.12 0 0 -3.6 170.16 661.92 cm 0 0 0 rg BI /W 38 /H 15 /BPC 1 /IM true /D [ 1 0 ] ID  EI Q BT 179.28 658.56 TD -0.12 Tc Tj 180 0 TD /F1 9.12 Tf 0 Tc 2.2114 Tw ( ) Tj 94.56 0 TD -0.08 Tc 0 Tw (361) Tj ET 26.88 654.24 445.2 0.72 re f BT 48.72 535.92 TD /F0 9.12 Tf 0 Tc Tj 11.28 0 TD /F1 9.12 Tf (3) Tj 4.56 0 TD 2.28 Tw ( ) Tj 9.12 0 TD /F0 9.12 Tf -0.08 Tc 0 Tw Tj 29.28 0 TD /F1 9.12 Tf 0 Tc (1) Tj 6.72 0 TD /F0 9.12 Tf -0.18 Tc Tj 38.16 0 TD /F1 9.12 Tf -0.0974 Tc (COD) Tj 21.12 0 TD /F0 9.12 Tf -0.08 Tc Tj -140.64 -13.92 TD /F1 9.12 Tf 0.0388 Tc (Fig.3) Tj 18.96 0 TD 0 Tc 0.12 Tw ( ) Tj 4.32 0 TD -1.3046 Tc 3.8246 Tw ( V) Tj -0.0719 Tc 0.1619 Tw (ariation of simulated effluent COD at the first day) Tj 4.32 -116.16 TD /F0 9.12 Tf 0 Tc 0 Tw Tj 11.28 0 TD /F1 9.12 Tf (4) Tj 4.56 0 TD 2.28 Tw ( ) Tj 9.12 0 TD /F0 9.12 Tf -0.08 Tc 0 Tw Tj 29.28 0 TD /F1 9.12 Tf 0 Tc (1) Tj 6.72 0 TD /F0 9.12 Tf -0.1091 Tc Tj -69.12 -13.92 TD /F1 9.12 Tf -0.0092 Tc 0.1292 Tw (Fig.4 ) Tj 23.28 0 TD 0 Tc 0.12 Tw ( ) Tj 4.8 0 TD -1.3046 Tc 0 Tw (V) Tj -0.0643 Tc 0.1843 Tw (ariation of simulated ammonia) Tj 115.68 0 TD 0.083 Tc 0 Tw (-) Tj 2.88 0 TD -0.0796 Tc (nitrogen) Tj -100.08 -14.16 TD -0.0419 Tc 0.0419 Tw (removal at the first day) Tj -66 -29.28 TD /F5 10.56 Tf -0.0928 Tc 0 Tw (3.2) Tj 14.4 0 TD /F1 10.56 Tf 0 Tc 2.64 Tw ( ) Tj 10.56 0 TD /F0 10.56 Tf -0.0343 Tc 0 Tw Tj -24.96 -15.84 TD /F1 10.56 Tf 0 Tc 2.64 Tw ( ) Tj 21.12 0 TD /F0 10.56 Tf -0.04 Tc 0 Tw Tj 68.4 0 TD /F1 10.56 Tf 0 Tc (14) Tj 10.56 0 TD (d) Tj 10.32 0 TD /F0 10.56 Tf Tj -110.4 -16.08 TD Tj 13.92 0 TD /F1 10.56 Tf (5,) Tj 7.92 0 TD /F0 10.56 Tf Tj 13.92 0 TD /F1 10.56 Tf (6) Tj 5.28 0 TD (.) Tj 2.64 0 TD /F0 10.56 Tf -0.24 Tc Tj 24.24 0 TD /F1 10.56 Tf 0 Tc (5) Tj 8.64 0 TD /F0 10.56 Tf Tj 21.12 0 TD /F1 10.56 Tf (,) Tj 2.4 0 TD /F0 10.56 Tf -0.0436 Tc Tj -100.08 -16.08 TD 0 Tc Tj 21.12 0 TD /F1 10.56 Tf (,) Tj 2.64 0 TD /F0 10.56 Tf -0.04 Tc Tj 67.68 0 TD /F1 10.56 Tf -0.1507 Tc (COD) Tj 26.64 0 TD /F0 10.56 Tf 0 Tc Tj 15.12 0 TD /F1 10.56 Tf -0.0939 Tc (50mg/L) Tj 37.44 0 TD /F0 10.56 Tf 0 Tc Tj 21.12 0 TD /F1 10.56 Tf (,) Tj 2.64 0 TD /F0 10.56 Tf Tj -194.4 -15.84 TD Tj 35.04 0 TD /F1 10.56 Tf 0.0093 Tc (COD) Tj 25.44 0 TD /F0 10.56 Tf -0.09 Tc Tj 87.36 0 TD /F1 10.56 Tf 0.0093 Tc (COD) Tj 25.68 0 TD /F0 10.56 Tf 0 Tc Tj -173.52 -16.08 TD Tj 10.56 0 TD /F1 10.56 Tf -0.0557 Tc (;) Tj 2.88 0 TD /F0 10.56 Tf 0 Tc Tj 25.2 0 TD /F1 10.56 Tf (6) Tj 9.6 0 TD /F0 10.56 Tf Tj 21.12 0 TD /F1 10.56 Tf (,) Tj 2.4 0 TD /F0 10.56 Tf -0.03 Tc Tj 88.08 0 TD /F1 10.56 Tf -0.0167 Tc (1mg/L) Tj 31.92 0 TD /F0 10.56 Tf 0 Tc Tj 21.12 0 TD /F1 10.56 Tf (,) Tj -212.88 -16.08 TD /F0 10.56 Tf 0.096 Tc Tj 213.12 0 TD /F1 10.56 Tf 0 Tc (.) Tj -213.12 -15.84 TD /F0 10.56 Tf 0.252 Tc Tj 0 -16.08 TD 0.1091 Tc Tj 117.12 0 TD /F1 10.56 Tf 0 Tc (,) Tj 2.88 0 TD /F0 10.56 Tf 0.1067 Tc Tj -120 -16.08 TD 0.06 Tc Tj 42.72 0 TD /F1 10.56 Tf 0 Tc (,) Tj 2.88 0 TD /F0 10.56 Tf 0.09 Tc Tj -45.6 -15.84 TD 0 Tc Tj 42.24 0 TD /F1 10.56 Tf (,) Tj 2.64 0 TD /F0 10.56 Tf -0.06 Tc Tj 126 0 TD /F1 10.56 Tf 0 Tc (.) Tj -163.92 -119.28 TD /F0 9.12 Tf Tj 11.28 0 TD /F1 9.12 Tf 0.12 Tw (5 ) Tj 9.12 0 TD ( ) Tj 4.56 0 TD /F0 9.12 Tf -0.24 Tc 0 Tw Tj ET q 9.12 0 0 -2.16 78.24 71.28 cm 0 0 0 rg BI /W 38 /H 9 /BPC 1 /IM true /D [ 1 0 ] ID 88x EI Q BT 87.12 69.36 TD -0.09 Tc Tj 74.4 0 TD /F1 9.12 Tf -0.0974 Tc (COD) Tj 21.12 0 TD /F0 9.12 Tf -0.16 Tc Tj -150 -13.92 TD /F1 9.12 Tf -0.0092 Tc 2.2892 Tw (Fig.5 ) Tj -1.3046 Tc 0 Tw (V) Tj -0.0655 Tc 0.1169 Tw (ariation of real influent COD, effluent COD and) Tj 60.24 -13.92 TD -0.0742 Tc 0.1942 Tw (simulated effluent COD) Tj ET q 7.44 0 0 -0.24 37.92 30.24 cm 0 0 0 rg BI /W 31 /H 1 /BPC 1 /IM true /D [ 1 0 ] ID EI Q q 6.48 0 0 -4.56 45.36 31.92 cm 0 0 0 rg BI /W 27 /H 19 /BPC 1 /IM true /D [ 1 0 ] ID  EI Q q 7.44 0 0 -0.24 51.84 30.24 cm 0 0 0 rg BI /W 31 /H 1 /BPC 1 /IM true /D [ 1 0 ] ID EI Q BT 59.28 27.36 TD /F0 7.44 Tf 0 Tc 0.12 Tw ( ) Tj 3.84 0 TD 0 Tw Tj 16.8 0 TD /F1 7.44 Tf -0.0353 Tc -0.1447 Tw (COD ) Tj ET q 7.44 0 0 -0.24 99.36 30.24 cm 0 0 0 rg BI /W 31 /H 1 /BPC 1 /IM true /D [ 1 0 ] ID EI Q q 6.48 0 0 -4.8 106.8 32.16 cm 0 0 0 rg BI /W 27 /H 20 /BPC 1 /IM true /D [ 1 0 ] ID p    0 EI Q q 7.44 0 0 -0.24 113.52 30.24 cm 0 0 0 rg BI /W 31 /H 1 /BPC 1 /IM true /D [ 1 0 ] ID EI Q BT 120.96 27.36 TD 0 Tc 0.06 Tw ( ) Tj 3.84 0 TD /F0 7.44 Tf 0 Tw Tj 16.8 0 TD /F1 7.44 Tf 0.0447 Tc -0.2247 Tw (COD ) Tj ET q 7.44 0 0 -0.24 161.28 30.24 cm 0 0 0 rg BI /W 31 /H 1 /BPC 1 /IM true /D [ 1 0 ] ID EI Q q 6.48 0 0 -4.8 168.72 32.16 cm 0 0 0 rg BI /W 27 /H 20 /BPC 1 /IM true /D [ 1 0 ] ID ???  EI Q q 7.44 0 0 -0.24 175.2 30.24 cm 0 0 0 rg BI /W 31 /H 1 /BPC 1 /IM true /D [ 1 0 ] ID EI Q BT 182.64 27.36 TD 0 Tc 0.06 Tw ( ) Tj 3.84 0 TD /F0 7.44 Tf 0 Tw Tj 31.68 0 TD /F1 7.44 Tf 0.0447 Tc (COD) Tj 46.8 505.68 TD /F0 9.12 Tf 0 Tc Tj 11.28 0 TD /F1 9.12 Tf (6) Tj 4.56 0 TD 0.12 Tw ( ) Tj 4.56 0 TD ( ) Tj 4.56 0 TD /F0 9.12 Tf -0.24 Tc 0 Tw Tj ET q 9.12 0 0 -2.16 307.92 534.96 cm 0 0 0 rg BI /W 38 /H 9 /BPC 1 /IM true /D [ 1 0 ] ID 88x EI Q BT 316.8 533.04 TD -0.135 Tc Tj -47.76 -13.92 TD /F1 9.12 Tf -0.0092 Tc 2.2892 Tw (Fig.6 ) Tj -1.3046 Tc 0 Tw (V) Tj -0.0503 Tc 0.0503 Tw (ariation of real influent ammonia-nitrogen,) Tj 4.08 -14.16 TD -0.0579 Tc 0.1779 Tw (effluent ammonia) Tj 63.84 0 TD 0.083 Tc 0 Tw (-) Tj 2.88 0 TD -0.0813 Tc 0.2013 Tw (nitrogen and simulated effluent) Tj -10.32 -13.92 TD -0.0562 Tc 0 Tw (ammonia-nitrogen) Tj ET q 7.44 0 0 -0.24 268.8 480 cm 0 0 0 rg BI /W 31 /H 1 /BPC 1 /IM true /D [ 1 0 ] ID EI Q q 6.48 0 0 -4.56 276.24 481.68 cm 0 0 0 rg BI /W 27 /H 19 /BPC 1 /IM true /D [ 1 0 ] ID  EI Q q 7.44 0 0 -0.24 282.72 480 cm 0 0 0 rg BI /W 31 /H 1 /BPC 1 /IM true /D [ 1 0 ] ID EI Q BT 290.16 477.12 TD /F0 7.44 Tf 0 Tc 0.12 Tw ( ) Tj 3.84 0 TD 0 Tw Tj 14.88 0 TD Tj 14.88 0 TD /F1 7.44 Tf 0.06 Tw ( ) Tj ET q 7.44 0 0 -0.24 327.6 480 cm 0 0 0 rg BI /W 31 /H 1 /BPC 1 /IM true /D [ 1 0 ] ID EI Q q 6.48 0 0 -4.8 335.04 481.92 cm 0 0 0 rg BI /W 27 /H 20 /BPC 1 /IM true /D [ 1 0 ] ID  EI Q q 7.44 0 0 -0.24 341.52 480 cm 0 0 0 rg BI /W 31 /H 1 /BPC 1 /IM true /D [ 1 0 ] ID EI Q BT 348.96 477.12 TD ( ) Tj 3.84 0 TD /F0 7.44 Tf 0.06 Tc 0 Tw Tj 30 0 TD /F1 7.44 Tf 0 Tc 0.06 Tw ( ) Tj ET q 7.44 0 0 -0.24 386.64 480 cm 0 0 0 rg BI /W 31 /H 1 /BPC 1 /IM true /D [ 1 0 ] ID EI Q q 6.48 0 0 -5.04 394.08 481.92 cm 0 0 0 rg BI /W 27 /H 21 /BPC 1 /IM true /D [ 1 0 ] ID ?? EI Q q 7.44 0 0 -0.24 400.56 480 cm 0 0 0 rg BI /W 31 /H 1 /BPC 1 /IM true /D [ 1 0 ] ID EI Q BT 408 477.12 TD ( ) Tj 3.84 0 TD /F0 7.44 Tf 0.04 Tc 0 Tw Tj -156.72 -23.76 TD /F5 10.56 Tf -0.1114 Tc (4) Tj 5.76 0 TD /F2 10.56 Tf 0 Tc ( ) Tj 10.56 0 TD Tj 4.8 -23.52 TD /F0 10.56 Tf Tj 14.16 0 TD /F1 10.56 Tf -0.2446 Tc (IAWPRC) Tj 43.44 0 TD /F0 10.56 Tf -0.0185 Tc Tj -78.72 -16.08 TD -0.0667 Tc Tj 193.44 0 TD /F1 10.56 Tf 0.0093 Tc (COD) Tj -193.44 -16.08 TD /F0 10.56 Tf 0.072 Tc Tj 106.56 0 TD /F1 10.56 Tf 0 Tc (,) Tj 2.64 0 TD /F0 10.56 Tf 0.12 Tc Tj -109.2 -15.84 TD 0.42 Tc Tj 43.92 0 TD /F1 10.56 Tf -0.105 Tc (\(COD\)) Tj 29.52 0 TD /F0 10.56 Tf 0.4246 Tc Tj -73.44 -16.08 TD 0 Tc Tj 10.56 0 TD /F1 10.56 Tf (,) Tj 2.64 0 TD /F0 10.56 Tf -0.0505 Tc Tj 199.68 0 TD /F1 10.56 Tf -0.0557 Tc (;) Tj -212.88 -16.08 TD /F0 10.56 Tf 0 Tc Tj 55.2 0 TD /F1 10.56 Tf -0.24 Tc (14) Tj 10.32 0 TD 0 Tc (d) Tj 7.44 0 TD /F0 10.56 Tf -0.03 Tc Tj 84.24 0 TD /F1 10.56 Tf 0 Tc (,) Tj 2.64 0 TD /F0 10.56 Tf -0.16 Tc Tj 33.6 0 TD /F1 10.56 Tf 0.0093 Tc (COD) Tj -193.44 -15.84 TD /F0 10.56 Tf 0.08 Tc Tj 96 0 TD /F1 10.56 Tf 0 Tc (.) Tj 2.64 0 TD /F0 10.56 Tf 0.1091 Tc Tj -98.64 -16.08 TD -0.045 Tc Tj 168.24 0 TD /F1 10.56 Tf 0 Tc (.) Tj -168.24 -31.92 TD /F2 9.12 Tf -0.06 Tc Tj ET q 9.12 0 0 -3.6 291.12 289.2 cm 0 0 0 rg BI /W 38 /H 15 /BPC 1 /IM true /D [ 1 0 ] ID  EI Q BT 255.12 271.68 TD /F1 7.44 Tf 0.0683 Tc ([1]) Tj 8.64 0 TD /F5 7.44 Tf 0 Tc 0.0917 Tw ( ) Tj 8.64 0 TD /F0 7.44 Tf 0 Tw Tj 22.32 0 TD /F1 7.44 Tf 0.06 Tc (. ) Tj 5.76 0 TD /F0 7.44 Tf 0.072 Tc Tj 74.88 0 TD /F1 7.44 Tf 0.0027 Tc 1.9773 Tw ( [M].) Tj 0 Tc 0.06 Tw ( ) Tj 21.12 0 TD /F0 7.44 Tf 0 Tw Tj 14.88 0 TD /F1 7.44 Tf 0.0917 Tc -0.0317 Tw (: ) Tj 6 0 TD /F0 7.44 Tf 0.0343 Tc 0 Tw Tj 52.32 0 TD /F1 7.44 Tf 0.06 Tc (,) Tj -197.28 -12.96 TD 0.0771 Tc (1993.42) Tj 24.48 0 TD /F0 7.44 Tf 0.12 Tc (-) Tj 3.84 0 TD /F1 7.44 Tf 0.02 Tc (77.) Tj -45.6 -12.96 TD 0.0683 Tc ([2]) Tj 8.64 0 TD /F5 7.44 Tf 0 Tc 0.0917 Tw ( ) Tj 8.64 0 TD /F1 7.44 Tf -0.0294 Tc 0 Tw (Stamou) Tj 22.56 0 TD 0 Tc 0.06 Tw ( ) Tj 3.12 0 TD -0.0158 Tc 0.0758 Tw (A, ) Tj 10.08 0 TD 0.013 Tc 1.247 Tw (Katsiri A,) Tj 0 Tc 0.06 Tw ( ) Tj 33.6 0 TD -0.0161 Tc 1.2761 Tw (Mantziaras I.) Tj 0 Tc 0.06 Tw ( ) Tj 43.44 0 TD 0.0215 Tc 1.0785 Tw (Modelling of an alternating) Tj -112.8 -12.96 TD -0.0031 Tc -0.1769 Tw (oxidation ) Tj 30 0 TD 0.0192 Tc -0.0792 Tw (ditch system ) Tj 39.6 0 TD 0.0327 Tc 0.0273 Tw ([J]. ) Tj 11.76 0 TD -0.1438 Tc 0.2038 Tw (Wat. ) Tj 15.6 0 TD -0.0557 Tc 0.1157 Tw (Sci. Tech.) Tj 29.76 0 TD 0.0147 Tc 0.0453 Tw (, 1999,39\(4\):) Tj 39.12 0 TD 0.04 Tc 0.02 Tw ( 169) Tj 13.2 0 TD /F0 7.44 Tf 0.12 Tc 0 Tw (-) Tj 3.6 0 TD /F1 7.44 Tf (176) Tj 11.28 0 TD 0.06 Tc (.) Tj -211.2 -12.96 TD 0.0683 Tc ([3]) Tj 8.64 0 TD /F5 7.44 Tf 0 Tc 0.0917 Tw ( ) Tj 8.64 0 TD /F1 7.44 Tf -0.0242 Tc -0.1558 Tw (Stefano ) Tj 25.2 0 TD 0.0284 Tc 0.9916 Tw (Marsili-Libelli, Franco) Tj 0 Tc -0.18 Tw ( ) Tj 72.72 0 TD 0.03 Tc 0 Tw (Giovanini.) Tj 31.92 0 TD 0 Tc 0.06 Tw ( ) Tj 2.64 0 TD 0.0037 Tc 1.0163 Tw (On-line estimation of) Tj -132.48 -12.96 TD 0.008 Tc -0.028 Tw (the nitrification process ) Tj 72.48 0 TD 0.1036 Tc 0 Tw ([J]) Tj 7.92 0 TD 0.06 Tc (. ) Tj 3.84 0 TD -0.0639 Tc 0.1239 Tw (Wat. Res., ) Tj 32.4 0 TD 0.0324 Tc 0 Tw (1997,31\(1\):) Tj 35.52 0 TD -0.04 Tc 0.1 Tw ( 179) Tj 13.2 0 TD /F0 7.44 Tf 0.12 Tc 0 Tw (-) Tj 3.6 0 TD /F1 7.44 Tf 0.105 Tc (185.) 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Tj 1.92 0 TD 0 Tc 0.06 Tw ( ) Tj 3.84 0 TD /F0 7.44 Tf 0.0923 Tc 0 Tw Tj ET q 7.44 0 0 -5.76 447.84 173.28 cm 0 0 0 rg BI /W 31 /H 24 /BPC 1 /IM true /D [ 1 0 ] ID  EI Q BT 455.28 167.76 TD 0.24 Tc Tj -182.88 -12.96 TD 0 Tc Tj 25.92 0 TD /F1 7.44 Tf 0.1483 Tc (DO) Tj 14.64 0 TD /F0 7.44 Tf 0.096 Tc Tj 75.6 0 TD /F1 7.44 Tf 0 Tc 0.06 Tw ( ) Tj 3.84 0 TD -0.0273 Tc 0 Tw ([J].) Tj 9.84 0 TD /F0 7.44 Tf 0.12 Tc Tj 45.36 0 TD /F1 7.44 Tf 0.06 Tc (,) Tj 1.92 0 TD 0 Tc 0.06 Tw ( ) Tj 3.84 0 TD 0.108 Tc 0 Tw (1998,) Tj -180.96 -12.96 TD 0.0094 Tc (18\(1\):) Tj 18.48 0 TD 0 Tc 0.06 Tw ( ) Tj 1.92 0 TD -0.36 Tc 0 Tw (11) Tj 7.2 0 TD /F0 7.44 Tf 0.12 Tc (-) Tj 3.84 0 TD /F1 7.44 Tf 0.02 Tc (20.) Tj -48.72 -12.96 TD 0.0683 Tc ([6]) Tj 8.64 0 TD /F5 7.44 Tf 0 Tc 0.0917 Tw ( ) Tj 8.64 0 TD /F0 7.44 Tf 0 Tw Tj 22.32 0 TD /F1 7.44 Tf 0.06 Tc (.) Tj 1.92 0 TD 0 Tc 0.06 Tw ( ) Tj 4.08 0 TD /F0 7.44 Tf 0.1091 Tc 0 Tw Tj 83.04 0 TD /F1 7.44 Tf 0 Tc 0.06 Tw ( ) Tj 3.84 0 TD -0.0467 Tc 0 Tw ([D].) Tj 12.48 0 TD /F0 7.44 Tf 0 Tc Tj 14.88 0 TD /F1 7.44 Tf 0.0917 Tc (:) Tj 2.4 0 TD /F0 7.44 Tf 0.2057 Tc Tj -144.96 -13.2 TD 0 Tc Tj 37.2 0 TD /F1 7.44 Tf 0.06 Tc (,) Tj 1.92 0 TD 0 Tc 0.06 Tw ( ) Tj 1.92 0 TD 0.11 Tc 0 Tw (1995.2) Tj 20.88 0 TD /F0 7.44 Tf 0.12 Tc (-) Tj 3.84 0 TD /F1 7.44 Tf -0.06 Tc (25.) Tj -83.04 -28.8 TD /F2 9.12 Tf 0.18 Tc Tj ET q 9.12 0 0 -3.6 292.08 90.24 cm 0 0 0 rg BI /W 38 /H 15 /BPC 1 /IM true /D [ 1 0 ] ID  EI Q BT 301.44 86.88 TD /F0 7.44 Tf 0.24 Tc Tj 23.04 0 TD /F1 7.44 Tf 0.0805 Tc (\(1973) Tj 17.76 0 TD /F0 7.44 Tf 0.12 Tc (-) Tj 3.84 0 TD /F1 7.44 Tf -0.1288 Tc (\),) Tj 4.56 0 TD /F0 7.44 Tf 0 Tc Tj 7.68 0 TD /F1 7.44 Tf 0.06 Tc (,) Tj 2.16 0 TD /F0 7.44 Tf 0.24 Tc Tj 38.4 0 TD /F1 7.44 Tf 0.06 Tc (,) Tj 2.16 0 TD /F0 7.44 Tf 0.32 Tc Tj -145.92 -13.2 TD 0.33 Tc Tj 62.4 0 TD /F1 7.44 Tf 0.06 Tc (,) Tj 2.16 0 TD /F0 7.44 Tf 0.384 Tc Tj 117.12 0 TD /F1 7.44 Tf 0.06 Tc (.) 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