Vol. 49, No. 1 O2012PG pp. 18-25
ॺনֈॺࢼళࠤࠜ׆ாࢄாߦছ࠭Տࠤਉ߇ඌԧ
լ
۩ผ
ࢽฅ
Evaluation of Rice Wine Waste as Substrate for Use in Acid Mine Drainage Treatment
Gyoung-Man Kim, Dae-Hoon Kim and Hwanjo Baek
Abstract : The spent mushroom compost(SMC) has been generally used as substrate for passive treatment systems, especially for SAPS in Korea. More effective substitutes to replace the SMC have always been a major concern in this area. In this study, rice wine waste(RWW) was tested as substrates for use in acid mine drainage treatment.
Batch tests were conducted to evaluate the material’s efficiency in reducing sulfates and removing heavy metals within the artificial AMD. Test results showed that both SMC and RWW have similar efficiency in total sulfate reduction capacity. However, the RWW has a little higher reducing rate, and the mixture of SMC and RWW showed the highest reducing rate. In terms of the heavy metal removal, including Fe, Al, and Cu, both materials showed similar results. Overall, the batch test results indicated that RWW has a good potential as a substrate for SAPS.
Key words : Substrate, Sulfate reducing bacteria, Acid mine drainage, Reduction rate, Passive treatment system څ أ ĶǴٍۙ܁জ֨Ժ, ০؎ࠢνԦՁܓəܳͿѣԿࣅҼεşݗНݗͿԐڌॠČەڷǣۋεʂߕॣ
սەəşݗНݗۆঝ҃Àज़څॢ֬܁ۋɰ. ٍ҆ĵقԴəԓՁġԓѕսߌνεڦॢşݗНݗͿԴφèν
֢͠ݓۆÀɠՁںथÀॠٕɰ. 27ێÂۆbatch testεࣀ३ѣԿࣅҼٮφèν֢͠ݓۆ܁জমڱ, ডԓّ
фܼŚ՚ۆ܃äমęεҼİॠٕɰ. ˃şݗНݗϿ˃ߪ܃äʽডԓّۆتڹҼ֦॰ڷǣ, ডԓّঞڙ՚ʪ əφèν֢͠ݓÀܓŚʌȭڹìڷͿǣࢍǮɰ. ̚ॢ˃Нݗںঔ०ॢąڍ, ߪঞڙ͟ęঞڙ՚ʪقԴ
Àۤܞڹমęεǣࢍǻɰ. ˃şݗНݗϿ˃ȭڹFe, Al Cuۆ܃äমڱںٕ҃ɰ. Batch test Āęεܛ०३
҇˺, φèν֢͠ݓÀ؎ࠢνԦՁܓۆşݗНݗͿԴۆটڌÀɠՁۋঝۍॠٕɰ.
ܳڅر şݗНݗ, ডԓّঞڙŒ, ԓՁġԓѕս, ঞڙ՚ʪ, ٍۙ܁জ֨Ժ
2012ț1ښ3ێۿս, 2012ț2ښ7ێ֮ԐٰΒ 2012ț2ښ22ێóۦঝ܁
1) Ìڙʂॡİʂॡڙقȃݓۙڙėॡę
2) Ìڙʂॡİėęʂॡقȃݓۙڙėॡęİս
*Corresponding Author(іঞܓ) E-mail; [email protected]
Address; Department of Energy resource engineering, Kangwon National University, Chuncheon, Korea
Դ
ԓՁġԓѕս(Acid mine drainage, AMD)əĶǴٽق Դψڹঞą١ّںڮьॢɰ. ۋəǰڹpH, ȭڹডԓ
ّęܼŚ՚ȬʪÀݜۋ϶ܳͿԵęŚ՚ġԓقԴ
ьԦॢɰ(Johnson and Hallberg, 2005). ۋεߌνॠə
ѓѪڹࡾóactive systemępassive systemڷͿǣɉݕ ɰ. ۻۙəߌνমڱڹ̬رǣݓχ, ڮݓҼڌۋȭČ֢
͠ݓۆьԦۋЛ܃Àʽɰ. ۙəԜʂۺڷͿۺڹڮ ݓҼڌۋ˞ݓχ, ߯ߣ֨ėɳćقԴԜʂۺڷͿҼڌۋ
ψۋ˞Č֨֟ࢰق߹ۺʽࠞۻНۆ؋܁Ձۋҝঝ֬ॠ ɰə ɳ۾ۋ ەɰ(Johnson and Hallberg, 2002; 2005).
Ŕ͠ǣpassive systemڹǰڹڮݓҼڌęۺڹইۤě ν ֨Â, ٽݕݓًق ۺڌÀɠॠş ˺Лق ĶǴٽقԴ
ψۋ ۋڌʼČ ەɰ(؋ܛχˣ, 2011).
ĶǴقԴəݓŚūݓ30يÒۆ֨ԺۋæԺʽцەڷ
϶, ĶٽقԴʪpassive systemۋAMD ߌνقۋڌʼČ
ەɰ(ݓԜڍ, 2004; Dvorak et al., 1992; Gusek et al., 1999). ۋ͠ॢߌνę܁ۆܳڅşܼۚॠǣəডԓّ
ঞڙŒ(Sulfate reducing bacteria, SRB)ںۋڌॠيড ԓّںঞڙ֨ࢅČܼŚ՚ںҝڌՁۆŚ՚ডজНۆ
Ϳ ࠞۻ֨ࢅə ìۍʚ, ۋ ۚڌقԴ ज़սۺۍ ìۋ
SRBۆۻۙėيߕÀʼəşݗНݗęۻۙսڌߕͿۚ
ٍĵȦЛ
Table 1. Chemical composition of limestone
Components Wt(%)
Al2O3 0.01
CaO 50.49
Fe2O3(Total) 0.1
K2O N.D
MgO 1.21
MnO 0.03
Na2O N.D
P2O5 N.D
SiO2 0.02
TiO2 0.00
L.O.I 46.96
Total 99.83
L.O.I : loss on ignition, N.D : not detected ڌॠə ডԓّۆ ܕۦۋɰ.
şݗНݗڹSRBεڦॢՙڙۋ϶˰͆Դۺ०ॢş ݗНݗۆԸ࢘ڹpassive system Ժć, ০؎ࠢνԦՁ ܓ(Successive Alkalinity Producing System, SAPS) Ժ ćقەرܼڅॢۍۙۋɰ. ێъۺڷͿҼڌۼÇęۦ টڌࠑϸقԴşݗНݗڹȬغęěʹʽदşНۋܳε
ۋΘČ ەɰ. ĶǴقԴə ڍқ, ѣԿࣅҼ, ǣИࣅҼ, ࢾёࣅҼ ˣۋ ٍĵʼؽڷ϶(܁ٖڎ ˣ, 1997; ݓԜڍ, 2004; ťąχ, 2008; ؋ܛχˣ, 2011), ĶٽقԴəMaple wood, poultry manure, Leaf compost, Oak leaf, Conifer ˣںʂԜڷͿٍĵÀݕॱʽцەɰ(Gibert et al., 2004;
Zagury et al., 2006; Zagury and Neculita, 2008). ߯Ŗ قəঔ०şݗНݗۆ܁জমڱۋɳێşݗНݗ҃ɰ
ʌȭɰəìۋۓݒʼرۋ˞ۆ߯ۺঔ०ҼڱںĀ܁
ॠə ٍĵ˞ۋ սॱʼşʪ ॠٕɰ(Cocos et al., 2002;
Amos and Younger, 2003; Neculita and Zagury, 2008).
ۋٽقʪɾн(molasses)(Teclu et al., 2009)ۋǣڮۤ
(whey)(Christensen et al., 1996)ߌͤ֩ुėغقԴь Ԧʽ दşНقʂॢ ٍĵÀ ݕॱʽцەɰ.
ĶǴقəѣԿࣅҼÀSAPSۆܳşݗНݗͿԐڌʽ ɰ. Ŕ͠ǣѣԿࣅҼьԦ͟ۆॢćٮڏբҼҙɺˣۋ
Л܃۾ڷͿݓۺʽцەɰ(ےţۦ, 2002; Ji et al., 2008).
ѣԿࣅҼقχۆܕॠČەəĶǴۆąڍҼİۺ֖ó
ࠄ˛ॣսەəşݗНݗঝ҃قЀशε˅ٍĵÀज़څ ॠɰ. ؋ܛχˣ(2011)ڹۋ͠ॢЛ܃۾ں३Āॠşڦ ३ڍқęǣИदЀںԐڌॢٍĵقԴڍқ40%ٮ
ǣИदЀ40%ۆঔ०Ҽڱں܃֨ॠٕɰ. ܁ݕږ(2011) ڹڍқęÄʂεঔ०ॢঔ०НۋۤşÂۆě۾ڷͿ
ѣԿࣅҼε ʂߕ ॣս ەɰČ҃Čॠٕɰ.
ٍ҆ĵۆЀۺڹSAPSۆşݗНݗͿԴφèν֢͠
ݓটڌÀɠՁںथÀॠəìۋɰ. ۋεڦ३ডԓّঞ ڙęܼŚ՚܃äۆࠑϸقԴѣԿࣅҼٮŔমęεҼİ ॠٕɰ. ࢎܳ͆ČʪҝνəφèνəčΪ(ܳͿַęн ÀΘ)ۆܳՁқۍۻқݗںɾқڷͿۻঞ֨ࡈ܃ܓॢ
ցۋ϶, ьমڙڹɀΙۋɰ(يսঞ, 2010). φèνۆԦ ԓ͟ڹ۾ݒÀॠČەڷ϶, ০2010țߪԦԓ͟ڹ
352,573(kL)Ϳ 2008ț ʂҼ 2.5ѕ ݒÀॠٕɰ(ࣀćߔ, 2011). Ŕ͠ǣφèν֢͠ݓεটڌॢٍĵəäۆػ ə ֬܁ۋɰ. ߯Ըৠ(2009)ə উşۺ ԜقԴ φèν
֢͠ݓεşݗНݗͿսՙԦՁՁęۺڌমęقěॢ
ٍĵεսॱॠٕڷ϶, ťٰԾ(2011)ڹφèν֢͠ݓε
ۋڌॠي ڮԓŒڷͿ ؎Ͳ܋ەə probiotic bacteriaۆ
Ԧۤقěॢٍĵεսॱॢцەɰ. ˃ٍĵϿ˃йԦ НںڦॢڮşНͿφèν֢͠ݓεটڌॢٚۋɰ. ۋ
͠ॢٍĵĀęəφèν֢͠ݓÀSRBεڦॢՙڙ
ڷͿԴ Ŕ ÀɠՁں ҃يܵɰČ ԦÁʽɰ.
ٍĵѓѪ
֬ॹۦΒ
֬ॹۦΒəφèν֢͠ݓٮѣԿࣅҼͿۋεşݗН ݗͿԐڌॠٕɰ. φèν֢͠ݓəÌڙʪߺߎقڦ࠘
ॢՙőϿتܓۤقԴսݚॠٕڷ϶, ցީǛй͆Čʪҝ νə, φèνε܃ܓॠČǫڹदşНۋɰ. ࠄ˛ॢφè ν֢͠ݓəÌॢφèνǸԞÀǣ϶սқęީƃşÀ
ঔۦʽԜͿ, أॢ۾Ձݗۋ϶ۓۙÀگ؋ڷͿĵѻ ʼݓ؍əɰ. ԐڌʽѣԿࣅҼə߿ߔǫʪقڦ࠘ॢѣ ԿȬۤقԴࠄ˛ॠٕɰ. ѣԿࣅҼəئČšͿ, ֬ ॹقə12 cm ܁ʪۆࡾşͿ۞͆Ԑڌॠٕɰ. ˃ş ݗНݗϿ˃֬ॹۻԜ٣قԴæܓ֨ࡈԐڌॠٕɰ. ˃
֨Β ܼ ێҙə ॢĶşߣęॡݓڙٍĵڙ(Դڐ қڙ)ۆ
ڙՙқԵş(Flash EA, CE Instruments)εۋڌॠي
ՙٮݗՙۆ॥͟ںқԵॠٕɰ. ֨ΒۆpH ࠑ܁ڹɰڼ ęÏڹۼͿࠑ܁ॠٕɰ. Ϥ۹Œݗॢ֨Β5 gęݒ Ϊս25 mLε50 mLقԴ1֨Âʴ؋ѓ࠘ॢইࢎں
χ˞ČpHε ࠑ܁ॠٕɰ(Hach HQ40d). AMDۆǰڹ
pHεܼজ֨࢈ЀۺڷͿԵধԵںԐڌॠٕɰ. Ԑڌʽ
ԵধԵڹÌڙʪقڦ࠘ॢԵধԵȤߎĹۤقԴࠄॢ
ìڷͿʂ͜13 mm܁ʪͿࣷթॢ֬ॹقԐڌॠٕڷ
϶ॢĶşߣęॡݓڙٍĵڙ(Դڐқڙ)ۆXRF(Epsilon 5)ε
ۋڌॠي Ձқں қԵॠٕɰ(Table 1). Ԑڌʽ ԵধԵڹ
CaO॥͟ۋ50.49wt.%ͿҼİۺȭڹ॥͟ںǣࢍǻɰ.
Table 2. Composition of synthetic AMD in batch test
Component Concentration (mg/L) Source
pH 3.0 -
ORP 202.6 (mV) -
Fe 192.2 FeSO47H2O
Al 104.1 Al2(SO4)314-18H2O
Cu 20.5 CuSO45H2O
SOÑ 1140 -
Table 3. Composition of mixtures assessed in batch test
Case Mixture(g)
# 1 # 2 # 3 # 4 # 5
Spent Mushroom Compost 3 - 1.5 3 -
Rice wine waste - 3 1.5 - 3
Limestone 3
SRB medium 5 ml -
SRB ѕت
SRBۿܛںڦ३ڮşН֨ΒٮPostgate B ѕݓεۋ ڌॠيSRBεѕتॠٕɰ. ڮşН֨ΒəॢĶݓݗۙڙ
ٍĵڙݓݗۦ३ٍĵ֬قԴݓڙыؕɰ. ԟۋêČড জսՙǸԞεঝۍॣսەؽڷ϶, ۋ֨ΒεPostgate B ѕݓقȏرSRBεѕتॠٕɰ. ѕتؚقԴÌॢড জսՙ ǸԞεঝۍ ॢ ֬ॹق Ԑڌॠٕɰ.
ۍėAMD
֬ॹقԐڌʽAMDəܼŚ՚शܵڌؚęݒΪսε
ۋڌॠيۍėۺڷͿ܃ܓॠٕɰ. ডԓںۋڌॠيAMD ۆpHε3.0Ϳܓۼॠٕڷ϶, ܃ܓقԐڌʽ֨أۆĵ Ձę AMDۆ ܓՁڹ Table 2ٮ Ïɰ.
֬ॹĵՁ
֬ॹڹߪ27ێÂսॱॠٕڷ϶, ֬ॹقԐڌʽъڿ НݗڹşݗНݗ3 g, ԵধԵ3 gęѕتؚ5 mLεঔ० ॠيԐڌॠٕɰ. ъڿНݗں120 mL ڮνѿъڿşق
ߐÀॢ, 110 mLۆAMDεѿقߐÀॠيėşͿ
ڗݕҙқں߯ՙজॠٕɰ. ֬ॹڹTable 3ęÏۋĵ Ձॠٕɰ. # 1ę2əѣԿࣅҼٮφèν֢͠ݓۆমę εҼİॠşڦॢìۋ϶Ԑͻ3ڹঔ०॰ںąڍۆম ęε҃şڦॢìۋɰ. # 4ٮ5ۆąڍقəѕتؚں
ߐÀॠݓ؍ؕڷ϶ۋəʂܓķڷͿۋڌʼؽɰ. ֬ॹۆ
܁ঝՁںڦ३ÁԐͻѻͿ2ÒܵҼॠٕڷ϶, ߪ90 Òۆڮνѿۋ֬ॹقԐڌʼؽəʚॢѥۆ֨Βࠄ
ɾॢÒۆъڿşχںԐڌॠٕɰ. ֬ॹ֨٣ʪə२٣ սܓε ۋڌॠي 23ε ڮݓ֨ࡎɰ.
֨ΒࠄфқԵ
֨Βࠄə3ێÂüڷͿսॱॠٕڷ϶ڦقԴسśॢ
ìߌͤ֨Βࠄεॢъڿşə֬ॹقԴ܃ٽ֨ࡎɰ. ֨ ΒࠄݔpHٮORPεࠑ܁ॠٕڷ϶(Hach HQ40d), 0.45 łm ज़ࢢεۋڌॠيज़ࢢτںॠٕɰ. ज़ࢢτ
ܼŚ՚қԵںڦॢ֨ΒəȬݗԓںߐÀॠٕڷ϶ܼŚ՚
қԵڹICPεۋڌॠٕɰ(OPTIMA 7300 DV, Perkinelmer).
ডԓّۋ٣ȬʪəқġġʪćεۋڌॠيқԵॠٕɰ (sulfaVer 4 method, Hach DR 2800).
ٍĵĀę
ۦΒՁ
ՙٮݗՙ॥͟ڹSRBεۋڌॢAMD ܁জমڱق
ٖॳں ܳə ܳڅ ۍۙ˞ ܼ ॠǣۋɰ(Béchard et al., 1994; Waybrant et al., 1998; Cocos et al., 2002). ՙ ٮݗՙ॥͟ڹC/N Ҽćԓقۋڌʼəʚ, şܕٍĵۙ
˞ڹɰتॢѩڦۆC/N Ҽε܃֨ॠٕɰ. Reinertsen et al.(1984)ęBéchard et al.(1994)əأ10܁ʪۆC/N Ҽ Àۺ܁ॠɰČ҃Čॠٕڷ϶, Prasad et al.(1999)ə10 ۋॠۆC/N ҼÀۺ܁ॠɰČ҃Čॠٕɰ. ̚ॢ؋ܛχ (2011)ڹ 2540ۍ ąڍÀ ࢍɾॠɰČ ҃Čॠٕɰ. ҆
ٍĵقԐڌʽѣԿࣅҼٮφèν֢͠ݓۆՙ, ݗՙ
Table 4. Characterization of organic materials
Parameters Spent Mushroom Compost Rice wine waste
C 22.92 47.24
N 2.43 7.73
C/N 9.4 6.1
pH 7.62 4.83
Fig. 1. Changes in pH and ORP.
Fig. 2. Changes in sulfate.
॥͟, pHٮC/N ҼəTable 4ٮÏɰ. φèν֢͠ݓÀ
ѣԿࣅҼقҼ३ՙٮݗՙ॥͟ۋȭڷ϶pHəφè ν֢͠ݓÀʌǰڹÉںٕ҃ɰ. ćԓʽѣԿࣅҼٮφ èν ֢͠ݓۆ C/N Ҽə ÁÁ 9.4, 6.1Ϳ, ѣԿࣅҼÀ
Reinertsen et al.(1984)ęBéchard et al.(1994)ۋ܃؋ॢ
߯ۺ C/N Ҽق Àūڝɰ.
pHٮORP
ԵধԵۆٖॳڷͿϿ˜ԐͻقԴpH ݒÀÀěʼ ؽɰ(Fig. 1). ֬ॹ֨ۚ3ێpHə3قԴथŒ6.5܁
ʪͿӇδݒÀε҃ۋɰÀ֬ॹܛΒūݓ۾ݕۺۍݒ Àεٕ҃ɰ. ߯ܛۺڷͿʪɵॢpHə# 15قԴÁÁ
7.75, 6.86, 7.54, 7.4, 7.4ٕڷ϶, Ͽ˜ԐͻقԴ֬ॹş ÂǴǴ6.57.7ۆѩڦεڮݓॠٕɰ. ێъۺڷͿSRB Ԧۤںڦॢ߯ۺpH ѩڦə59Ϳ؎Ͳ܋ەɰ(Postgate, 1984). Ͽ˜ ԐͻقԴ ۋ͠ॢܓæۋ ܓՁʼؽɰ.
ঞڙঞąۆܓՁيҙəORPεࠑ܁॥ڷͿ׆؎ս
ەɰ. ֬ॹܛΒ֨ūݓ # 5ѥں ܃ٽॢϿ˜ԐͻقԴ
-200 mVۆÉںٕ҃ɰ(Fig. 1). 6ێݫࠑ܁ʽORP É ڹ-86.8, -180, -80.9, -30.0, -17.3 mVۋČŔۋҙࢢ
# 5ε܃ٽॢϿ˜ԐͻقԴć՚ۺۍORPۆÇՙ߸Ճ εঝۍॣսەؽɰ. # 2ٮ# 3ڹ12ێݫҙࢢ, # 1ڹ
15ێݫҙࢢ-300 mV ۋॠۆÉںٕ҃ɰ. ۿܛڙۋػ ə# 4ə-200 G-250 mVۆѩڦε҃ۍъϸۿܛڙ ۋػČφèν֢͠ݓٮԵধԵڷͿχۋΘرݕ# 5ə
20 G -70 mVūݓۆÉںٕ҃ɰ.
ORPÀ-100 mV ۋॠۆܓæۋSRB Ԧۤقज़څॠ
϶(Postgate, 1984), Prasad ˣ(1999)ڹ-300 mVۆORP ÀԦۤقۺۼॢܓæۋ͆Čॠٕɰ. ҆֬ॹقԴə#
1, 2, 3ۋۋ͠ॢܓæں߿қ০χܔ॰ş˺Лقۺۼॢ
ঞڙܓæں Í߸ؽɰČ ࣺɳʽɰ.
ডԓّۆѺজ
Fig. 2ə֬ॹşÂʴ؋ÁԐͻѻডԓّȬʪۆѺজ εǣࢍǶìۋɰ. SRB ۿܛڙۋप॥ʽ# 1, 2, 3ڹۋ ٣ȬʪÀ֨Âąęق˰͆Çՙॢъϸ, ۿܛڙۋܕۦ ॠݓ؍ə# 4, 5əȬʪÀݒÀॠäǣওڹێ܁ॠó
Fig. 3. Changes in amount of removed sulfate.
Table 5. Summary of changes in sulfate
Case
Sulfate concentration(mg/L) Sulfate reduction
ratioa (%)
Amount of removed
sulfateb (mg/L)
Sulfate reduction
rates (mg/L/d)
RÏ Initial at 27days mean
(327days)
Amount of released sulfate
(mean)
# 1 1140 1380 - - 40 910 -31.79 0.93
# 2 1140 30 - - 97 957 -46.07 0.95
# 3 1140 510 - 498 69 1128 -58.75 0.98
# 4 1140 2040 2290±160 1150 - - - -
# 5 1140 960 987±79 -153 - - - -
* Assumed mean sulfate concentration of a control reactor of # 3 was about 1638±95 mg/L, calculated by using those of # 4 and # 5.
* a and b were calculated by using mean sulfate concentration of control reactors(# 4,5) including # 3.
ڮݓʼؽɰ. ߣş1140 mg/Lۋؽʏডԓّڹ27ێ
# 15قԴÁÁ1380, 30, 510, 2040, 960 mg/Lεǣࢍ
ǻɰ. ѣԿࣅҼÀप॥ʽ# 1, 3ڹ֬ॹߣşɳćقԴড ԓّۆԜ֧ۋǣࢍǦݓ՚ۺڷͿÇՙॠٕɰ. ۋق
ъ३φèν֢͠ݓÀप॥ʼرەə# 2əডԓّۆݒ Àػۋݓ՚ۺڷͿÇՙॠəąॳںٕ҃ɰ. # 1, 3قԴ ۆۋ͠ॢԜ֧ڹѣԿࣅҼقۆॢٖॳۋ͆Čࣺɳʽɰ.
ۋ͠ॢԐͻəşܕٍĵۙۆٍĵĀęقԴʪ҃Čʽц
ەɰ(ݓԜڍٮ܁ٖڎ, 2005; ؋ܛχˣ, 2011; Neculita et al., 2011). ؋ܛχˣ(2010)ڹۿܛڙۋػəѣԿࣅҼ قԴ3000 mg/L ۋԜۆডԓّۋ٣ۋڌʿں҃Čॠ
ٕɰ. ٍ҆ĵقԴə֬ॹߣş2500 mg/LūݓݒÀॢ
أÂۆ Çՙε ٕ҃ݓχ, 25002040 mg/L Ԑۋۆ
Ȭʪεٕ҃ڷ϶3ێҙࢢ27ێūݓডԓّȬʪथŒڹ
أ2290 mg/LͿ1150 mg/LۆডԓّۋڌʽìڷͿ
ǣࢍǮɰ(# 4). # 5əφèν֢͠ݓۆʂܓķ֨ΒͿԴ
ডԓّڌڹǣࢍǣݓ؍ؕڷ϶, ߣşAMD ȬʪٮÏ ڹ1140قԴҙࢢ960 mg/Lۆѩڦεٕ҃ɰ. # 3قԴə
ߣşݒÀॠʏডԓّۋ6ێҙࢢÇՙॠəąॳںٕ҃
ڷ϶, ߸܁ʽ# 3ۆডԓّۆڌ͟ڹأ498 mg/Lۋɰ.
ߣş࣊ۓ॰ʏAMDۆডԓّȬʪٮ߯ܛȬʪχں
ҼİॠɰϸşݗНݗقۆॢডԓّۆঞڙমęε܃ʂ Ϳࣷ؊ॣսػɰ. # 1(ѣԿࣅҼ)ۆąڍߣşȬʪÀ
1140 mg/Lۋ϶߯ܛȬʪə1380 mg/Lۋɰ. ۋقҼ३
# 2(φèν֢͠ݓ)قԴۆ߯ܛȬʪə30 mg/Lۋɰ. ֬
܃Ϳ# 1قԴəSRBقۆॢডԓّۋ٣ۆঞڙۋьԦ
॰ş˺Лق˃şݗНݗۆ߯ܛȬʪχںҼİॢɰϸ
ѣԿࣅҼۆঞڙমęÀęՙथÀʾսەɰ. ۋεࣷ؊
ॠşڦ३ؘԴćԓʽڌ͟ںۋڌॠي֬ॹܛΒ֨
۾ںşܵڷͿ܃äʽডԓّߪ͟ںćԓॠٕɰ. ۋͩ
óćԓʽ# 13قԴۆߪ܃ä͟ڹأ910, 957, 1128
mg/Lۋɰ. Ҽ߯ܛۺڷͿࠑ܁ʽডԓّۆȬʪəɰ βݓχ, ߪ͟ۆě۾قԴ# 1(ѣԿࣅҼ), # 2(φèν֢
͠ݓ)εҼİ३Ҏں˺ۋˆڹäۆҼ֦ॠɰČԦÁ
ॣսەɰ. ۋقҼ३˃şݗНݗںঔ०ॢ# 3ڹܘ
ʌȭڹ܃ä͟ںٕ҃ɰ. Fig. 3ڹथŒڌ͟ڷͿć ԓʽ ডԓّ ܃ä͟ۆ Ѻজε ǣࢍǶ Ŕ॒͒ۋɰ.
̚ɰδҼİεڦ३ধŊқԵںۋڌॠيঞڙ՚ʪ (sulfate reduction rates)εćԓॠٕɰ(Waybrant et al., 1998). ֬ॹߣşҙࢢ6ێūݓۆۙΒəտڿşÂ(acclimation periods)قʂॢٖॳںыş˺Лقćԓ֨ۻߕۙΒ εԐڌॠݓ؍Č6ێҙࢢ27ێūݓۆۙΒχںۋڌॠ
ٕɰ. # 2ۆąڍقə6ێҙࢢ24ێūݓۆۙΒεۋڌ ॠٕəʚ, υݓφȬʪۙΒə0 mg/LقÀūڏ30 mg/L ͿধŊқԵٖ֨ॳںܶսەş˺Лۋؽɰ. ؘԴş ցॢĀęٮćԓʽঞڙ՚ʪεTable 5ق܁νॠٕɰ.
Fig. 4. Changes in Fe, Al and Cu concentration over time in batch test.
ćԓʽঞڙ՚ʪəڼۆÉۋࡾϸࢁսȭڹ՚ʪε
ۆйॢɰ. # 1(-31.76 mg/L/d)ۋÀۤǰڹÉںٕ҃ڷ
϶ŔɰڼڷͿə# 2(-46.07 mg/L/d), # 3ۋÀۤȭڹ
-58.75 mg/L/dͿćԓʼؽɰ. χأ# 1ę3ۆ߯ܛȬʪ À# 2ߌͤ0 mg/LقŖۿॢɰϸćԓʽÉۋɵ͆ݗ
ÀɠՁۋەںìۋɰ. ॠݓχ, ۋۙΒÀbatch testε
ۋڌॠي˃şݗНݗںҼİॠəЀۺںڦ३Դə߿қ ॠɰČ ԦÁʽɰ. ѣԿࣅҼٮ φèν ֢͠ݓۆ ডԓّ
ঞڙڱۆۋəࡾݓχ, ডԓّঞڙ͟ڹäۆҼ֦ॠ ɰ. ঞڙ՚ʪəφèν֢͠ݓÀܘʌȭڹìڷͿǣࢍ
Ǯɰ. ۋ͠ॢĀęəডԓّঞڙۆࠑϸقԴφèν֢
͠ݓۆ ÀɠՁں ҃يܳČ ەɰ.
ܼŚ՚Ȭʪ
Fig. 4ə֬ॹşÂʴ؋Fe, Al, Cu ȬʪѺজεʪ֨ॢ
Ŕ॒͒ۋɰ. ˃şݗНݗęঔ०НϿ˃ȭڹ܃äڱں
ٕ҃ɰ. # 1قԴۆFe ȬʪѺজεԕट҃ϸ, 3ێūݓə
śü০ÇՙॠɰÀ9ێūݓݒÀॠٕɰ. ŔÇՙॠə
ąॳںǣࢍǻɰ. φèν֢͠ݓÀप॥ʽ# 2ə3ێ
ԜʂۺڷͿۺڹتۋÇՙॠٕݓχ, Ŕقə۾ۺ ڷͿÇՙॠٕɰ. Alۆąڍقə3ێق# 1, 2, 3قԴ
2 mg/LۆǰڹÉں҃ۍ, ێ܁ॠóڮݓʼؽɰ. Cu قԴə3ێق# 1, 3ڹ1 mg/LۋॠۆÉں, # 2ə6 mg/LۆÉںǣࢍǻڷ϶, Ŕۋ۾Çՙॠٕɰ. ֬ ॹܛΒ֨۾قԴ# 13ۆFe, Al, Cu ܃äڱڹ99% ۋ Ԝۋؽɰ.
ۿܛڙۋܕۦॠݓ؍ə# 4ٮ5εԕट҃ϸ, ѣԿࣅ Ҽχܕۦॠə# 4ə3ێࠑ܁ʽFe Ȭʪεć՚ڮ ݓॠٕɰ. ԜʂۺڷͿۺڹتۆFeÀÇՙॢ# 5əݓ
՚ۺۍȬʪÇՙεٕ҃ɰ. AlقԴə3ێäۆʂҙ қۋ܃äʼؽɰ. CuقԴə, # 4À# 5قҼ३ߣşق
ψڹȬʪÀÇՙॠٕČۋقə˃ԐͻϿ˃۾ۺڷ ͿÇՙॠٕɰ. # 4ٮ5قԴFe ܃äڱڹ8083%, Al ę Cuۆ ܃äڱڹ 95100%ۋɰ.
AMDقԴܼŚ՚ۆ܃äə˃ÀݓࠑϸڷͿԺϼॣ
սەɰ. ߒݫəşݗНݗقۆॢড়ęŚ՚սԓজН Ϳۆࠞۻۋ϶˃ѥݫəSRBقۆॢŚ՚ডজНͿۆ
ࠞۻۋɰ. ড়ۚڌقۆॢ܃äəψڹٍĵۙقۆ३
ঝۍʼؽɰ(Hammack et al., 1994; ܁ٖڎˣ, 1997; ڌ
ٖ҃ˣ, 2010; ؋ܛχˣ, 2011). pHٮORPεࣀ३6ێ ݫҙࢢə# 1, 2, 3 ъڿşǴҙقঞڙঞąۋܓՁʼؽ ɰəìں؎սەɰ. ডԓّۋ٣ȬʪÀ6ێݫҙࢢ
ÇՙॠəԐ֬ʪۋε˓ыࠞ३ܵɰ. ˰͆Դ6ێۋۻū ݓ܃äʽܼŚ՚ڹড়ęŚ՚սԓজНͿࠞۻʽĀę ۋɰ. ŔۋܼŚ՚ڹŚ՚ডজНͿۆࠞۻওڹࠞۻ
ęড়قۆॢ܃äۋɰ. ڦĀęεܛ०३҇˺, ˃
şݗНݗ Ԑۋق ড়ɠͳق ʂॢ ۋə ܕۦॠݓχ,
ܼŚ՚܃äমڱڹäۆۋÀǣݓ؍əìڷͿঝۍ ʼؽɰ.
Ā
ٍ҆ĵقԴəSAPSܓşݗНݗͿԴφèν֢͠ݓ εԸ܁ॠيѣԿࣅҼٮۆҼİεࣀ३ŔۺڌՁںथ À३҃ؕɰ. φèν ֢͠ݓə ѣԿࣅҼق Ҽ३ ՙٮ
ݗՙ॥͟ۋȭČC/N ҼəѣԿࣅҼÀأÂȭڹÉڷ ͿǣࢍǮɰ. ˃şݗНݗۆORP, ডԓّ܃ä͟, ܼŚ
՚܃äڱںҼİ३Ҏں˺φèν֢͠ݓÀѣԿࣅҼ ٮڮԐॢąॳںǣࢍǻɰ. ডԓّঞڙ՚ʪۆąڍφ èν֢͠ݓÀܓŚʌȭؕڷ϶, ܼŚ՚ড়মęəѣ ԿࣅҼÀφèν֢͠ݓقҼ३ԜʂۺڷͿڍսॠٕɰ.
̚ॢ˃şݗНݗۆঔ०НۋɳێşݗНݗقҼ३ডԓ
ّঞڙقԴʌȭڹমęÀەؽɰ. ĀęۺڷͿφèν
֢͠ݓÀѣԿࣅҼٮŔমęεҼİ३Ҏں˺, ɳşۺ ۍࠑϸقԴəŔԐڌÀɠՁۋ߿қॠɰČԦÁʽɰ.
̚ॢφèν֢͠ݓεѣԿࣅҼٮێ܁͟ঔ०ॠيԐڌ
ॢɰϸ, ѣԿࣅҼقԴߣşقڌʼəԜɾ͟ۆডԓّ
ȬʪݒÀεرɗ܁ʪÇՙ֨ࡈܶսەںӼ؉ɦ͆
ʌ ȭڹ܁জমڱںşʂॣ ս ەں ìۋɰ.
ĶՃࣀćٍ҃ق˰βϸ, φèν܃ܓϸॴսəۻĶۺ ڷͿ847Òۋ϶ۻĶۺڷͿҼİۺČβóқपʼرە ɰ(ĶՃߔ, 2011). ĀĶۋəφèν֢͠ݓεࠄ˛॥ق
ەرψڹۋ۾ۋەɰəìںϊ३ܵɰ. ̚ॢदşНں
ۋڌॠəìۋş˺Лقφèν֢͠ݓۆԐڌقەر
ą܃ۺ ۋ۾ʪܕۦॢɰ.
ɰχ, ٍ҆ĵĀęəbatch test ĀęͿ׆ٍ՚֬ॹˣ ںࣀॢՁथÀÀۋΠ܋آ ॣ ìڷͿ ࣺɳʽɰ.
ԐԐ
֬ॹܵҼقʪړںܵÌڙʂॡİťʴ, ۋইܵƍ
ÇԐ˚ν϶, ٍĵę܁قüͲε؉Ǜݓ؍ڷ֪ॢĶݓݗ
ۙڙٍĵڙ ÌԜս, ÌܼԵ чԐɫƍ ÇԐ˚ςɦɰ.
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լ
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۩ผ
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