Effect of irrigation water type on soil organic matter (SOM) fractions and their interactions with hydrophobic compounds:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Leipzig
UFZ
2007
|
| Schriftenreihe: | PhD dissertation / Helmholtz Centre for Environmental Research - UFZ
2007,4 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | VII, 118 S. graph. Darst., Kt. 25 cm |
Internformat
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Datensatz im Suchindex
| _version_ | 1804136578210070528 |
|---|---|
| adam_text | ______________________________________________________________Page iii
Index
1 BACKGROUNDS AND OBJECTIVES..................................................................1
2 THEORETICAL BACKGROUNDS.......................................................................2
2.1 Fractionation of SOM....................................................................................2
2.1.1 Classical fractionation of humic substances...................................................3
2.1.2 Physical fractionation.....................................................................................4
2.1.3 Other principles of SOM fractionation (WEOM and HWF)..........................6
2.2 Qualitative and quantitative methods for SOM characterization.....7
2.3 Role of wastewater irrigation; mobilization and immobilization of
pollutants in som......................................................................................................8
2.4 Interactions between SOM and hydrophobic compounds......................10
3 MATERIAL AND METHODS..............................................................................16
3.1 Experimental site, soil, climate, land use................................................16
3.1.1 Site description and soil sampling procedure...............................................16
3.1.2 Selected properties of bulk soils...................................................................17
3.1.3 Irrigation water quality.................................................................................18
3.2 Fractionation of SOM..................................................................................19
3.2.1 Hot water extraction......................................................................................19
3.2.2 Granulo-densimetric fractionation of SOM..................................................19
3.3 Removal of organic matter from soil and clay fractions...................22
3.3.1 Removal of organic matter from soil and clay fractions using H2O2...........22
3.3.2 Removal of organic matter from soil and clay fractions using NaOCl.......22
3.4 Analytical methods.....................................................................................23
3.4.1 Elemental analyses........................................................................................23
3.4.2 Spectroscopic methods.................................................................................24
3.4.2.1 UV-VTS spectroscopy measurements...................................................24
3.4.2.2 Fluorescence spectroscopy...................................................................24
3.4.2.3 Diffuse Reflectance Fourier Transform (DRIFT) spectroscopy...........24
3.5 Characterization of model compounds and preparation of stock
solutions.....................................................................................................................26
3.6 Analysis of model compounds.....................................................................29
3.6.1 Extraction of model compounds...................................................................29
Page iv
3.6.2 Chromatographie methods for quantification...............................................31
3.6.2.1 HPLC equipped with diode-array detector...........................................31
3.6.2.2 Gas Chromatography equipped with Flame Ionization (FID) and
Electron Capture (ECD) detectors........................................................................31
3.6.2.3......Solid Phase Microextraction-Gas Chromatography-Mass Spectrometry
...........................................................................................................................32
3.6.2.4 Limit of detection and limit of quantification.......................................33
3.7 Experimental series......................................................................................34
3.7.1 Spiking of model compounds into soil.........................................................34
3.7.1.1 Recovery test.........................................................................................34
3.7.1.2 Distribution of model compounds in soil fractions..............................35
3.7.2 Sorption experiments....................................................................................36
3.7.3 Disposal of wastes........................................................................................37
3.8 Statistical analysis.....................................................................................37
4 RESULTS AND DISCUSSION..............................................................................37
4.1 Elemental composition................................................................................37
4.1.1 Bulk soils......................................................................................................38
4.1.2 Hot water extractable fraction.......................................................................39
4.1.3 Clay and specific light fractions...................................................................41
4.2 SPECTROSCOPIC PROPERTIES..............................................................................48
4.2.1 Bulk soils......................................................................................................48
4.2.2 Hot water extractable fraction.......................................................................49
4.2.3 Clay fractions................................................................................................52
4.2.4 Specific light density fractions 1.8 g cm 3 (LF1).......................................56
4.2.5 Conclusions: the influence of treated wastewater irrigation on elemental and
spectroscopic parameters of bulk soil and SOM fractions.......................................59
4.3 Influence of irrigation water quality on distribution of model
compounds in som fractions...................................................................................61
4.3.1 Recovery test.................................................................................................61
4.3.2 Accumulation of model compounds in clay fractions..................................63
4.3.3 Accumulation of model compounds in specific light fractions....................67
4.3.4 ....The release of model compounds to the water during fractionation procedure
.................................................................................................................................68
4.3.5 Conclusions...................................................................................................71
Page v
4.4 Influence of irrigation water quality on sorption of model
compounds on som fractions.................................................................................73
4.4.1 Development of a SPME-GC-MS method for sorption experiment.............73
4.4.1.1 Optimization of solid-to-solution ratio.................................................73
4.4.1.2 Optimisation of sorption time...............................................................75
4.4.2 Sorption isotherms and coefficients..............................................................77
4.4.2.1 Determination of model parameters.....................................................77
4.4.2.2 Fitting results for Freundlich isotherm.................................................79
4.4.2.3 Langmuir and DMM isotherms............................................................82
4.4.3 Conclusions...................................................................................................84
5 SUMMARY..............................................................................................................85
6 EVALUATION OF THE RESULTS AND A NEED FOR FUTURE
RESEARCH.....................................................................................................................90
7 REFERENCES.........................................................................................................91
8 FIGURE INDEX....................................................................................................104
9 TABLE INDEX_____________________________.........................................108
10 APPENDIX.............................................................................................................110
|
| adam_txt |
_Page iii
Index
1 BACKGROUNDS AND OBJECTIVES.1
2 THEORETICAL BACKGROUNDS.2
2.1 Fractionation of SOM.2
2.1.1 Classical fractionation of humic substances.3
2.1.2 Physical fractionation.4
2.1.3 Other principles of SOM fractionation (WEOM and HWF).6
2.2 Qualitative and quantitative methods for SOM characterization.7
2.3 Role of wastewater irrigation; mobilization and immobilization of
pollutants in som.8
2.4 Interactions between SOM and hydrophobic compounds.10
3 MATERIAL AND METHODS.16
3.1 Experimental site, soil, climate, land use.16
3.1.1 Site description and soil sampling procedure.16
3.1.2 Selected properties of bulk soils.17
3.1.3 Irrigation water quality.18
3.2 Fractionation of SOM.19
3.2.1 Hot water extraction.19
3.2.2 Granulo-densimetric fractionation of SOM.19
3.3 Removal of organic matter from soil and clay fractions.22
3.3.1 Removal of organic matter from soil and clay fractions using H2O2.22
3.3.2 Removal of organic matter from soil and clay fractions using NaOCl.22
3.4 Analytical methods.23
3.4.1 Elemental analyses.23
3.4.2 Spectroscopic methods.24
3.4.2.1 UV-VTS spectroscopy measurements.24
3.4.2.2 Fluorescence spectroscopy.24
3.4.2.3 Diffuse Reflectance Fourier Transform (DRIFT) spectroscopy.24
3.5 Characterization of model compounds and preparation of stock
solutions.26
3.6 Analysis of model compounds.29
3.6.1 Extraction of model compounds.29
Page iv
3.6.2 Chromatographie methods for quantification.31
3.6.2.1 HPLC equipped with diode-array detector.31
3.6.2.2 Gas Chromatography equipped with Flame Ionization (FID) and
Electron Capture (ECD) detectors.31
3.6.2.3.Solid Phase Microextraction-Gas Chromatography-Mass Spectrometry
.32
3.6.2.4 Limit of detection and limit of quantification.33
3.7 Experimental series.34
3.7.1 Spiking of model compounds into soil.34
3.7.1.1 Recovery test.34
3.7.1.2 Distribution of model compounds in soil fractions.35
3.7.2 Sorption experiments.36
3.7.3 Disposal of wastes.37
3.8 Statistical analysis.37
4 RESULTS AND DISCUSSION.37
4.1 Elemental composition.37
4.1.1 Bulk soils.38
4.1.2 Hot water extractable fraction.39
4.1.3 Clay and specific light fractions.41
4.2 SPECTROSCOPIC PROPERTIES.48
4.2.1 Bulk soils.48
4.2.2 Hot water extractable fraction.49
4.2.3 Clay fractions.52
4.2.4 Specific light density fractions 1.8 g cm"3 (LF1).56
4.2.5 Conclusions: the influence of treated wastewater irrigation on elemental and
spectroscopic parameters of bulk soil and SOM fractions.59
4.3 Influence of irrigation water quality on distribution of model
compounds in som fractions.61
4.3.1 Recovery test.61
4.3.2 Accumulation of model compounds in clay fractions.63
4.3.3 Accumulation of model compounds in specific light fractions.67
4.3.4 .The release of model compounds to the water during fractionation procedure
.68
4.3.5 Conclusions.71
Page v
4.4 Influence of irrigation water quality on sorption of model
compounds on som fractions.73
4.4.1 Development of a SPME-GC-MS method for sorption experiment.73
4.4.1.1 Optimization of solid-to-solution ratio.73
4.4.1.2 Optimisation of sorption time.75
4.4.2 Sorption isotherms and coefficients.77
4.4.2.1 Determination of model parameters.77
4.4.2.2 Fitting results for Freundlich isotherm.79
4.4.2.3 Langmuir and DMM isotherms.82
4.4.3 Conclusions.84
5 SUMMARY.85
6 EVALUATION OF THE RESULTS AND A NEED FOR FUTURE
RESEARCH.90
7 REFERENCES.91
8 FIGURE INDEX.104
9 TABLE INDEX_.108
10 APPENDIX.110 |
| any_adam_object | 1 |
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| author | Jakubowska, Joanna 1978- |
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| dewey-sort | 3628.55 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Maschinenbau / Maschinenwesen Bauingenieurwesen |
| discipline_str_mv | Maschinenbau / Maschinenwesen Bauingenieurwesen |
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| index_date | 2024-07-02T17:49:48Z |
| indexdate | 2024-07-09T20:58:37Z |
| institution | BVB |
| language | English |
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| physical | VII, 118 S. graph. Darst., Kt. 25 cm |
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| spelling | Jakubowska, Joanna 1978- Verfasser (DE-588)133065472 aut Effect of irrigation water type on soil organic matter (SOM) fractions and their interactions with hydrophobic compounds von Joanna Jakubowska Leipzig UFZ 2007 VII, 118 S. graph. Darst., Kt. 25 cm txt rdacontent n rdamedia nc rdacarrier PhD dissertation / Helmholtz Centre for Environmental Research - UFZ 2007,4 Zugl.: Halle (Saale), Univ., Diss., 2006 Bewässerung (DE-588)4006306-9 gnd rswk-swf Wasser (DE-588)4064689-0 gnd rswk-swf Boden (DE-588)4007348-8 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Bewässerung (DE-588)4006306-9 s Wasser (DE-588)4064689-0 s Boden (DE-588)4007348-8 s DE-604 Helmholtz Centre for Environmental Research - UFZ PhD dissertation 2007,4 (DE-604)BV035421074 2007,4 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=015692639&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Jakubowska, Joanna 1978- Effect of irrigation water type on soil organic matter (SOM) fractions and their interactions with hydrophobic compounds Bewässerung (DE-588)4006306-9 gnd Wasser (DE-588)4064689-0 gnd Boden (DE-588)4007348-8 gnd |
| subject_GND | (DE-588)4006306-9 (DE-588)4064689-0 (DE-588)4007348-8 (DE-588)4113937-9 |
| title | Effect of irrigation water type on soil organic matter (SOM) fractions and their interactions with hydrophobic compounds |
| title_auth | Effect of irrigation water type on soil organic matter (SOM) fractions and their interactions with hydrophobic compounds |
| title_exact_search | Effect of irrigation water type on soil organic matter (SOM) fractions and their interactions with hydrophobic compounds |
| title_exact_search_txtP | Effect of irrigation water type on soil organic matter (SOM) fractions and their interactions with hydrophobic compounds |
| title_full | Effect of irrigation water type on soil organic matter (SOM) fractions and their interactions with hydrophobic compounds von Joanna Jakubowska |
| title_fullStr | Effect of irrigation water type on soil organic matter (SOM) fractions and their interactions with hydrophobic compounds von Joanna Jakubowska |
| title_full_unstemmed | Effect of irrigation water type on soil organic matter (SOM) fractions and their interactions with hydrophobic compounds von Joanna Jakubowska |
| title_short | Effect of irrigation water type on soil organic matter (SOM) fractions and their interactions with hydrophobic compounds |
| title_sort | effect of irrigation water type on soil organic matter som fractions and their interactions with hydrophobic compounds |
| topic | Bewässerung (DE-588)4006306-9 gnd Wasser (DE-588)4064689-0 gnd Boden (DE-588)4007348-8 gnd |
| topic_facet | Bewässerung Wasser Boden Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=015692639&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV035421074 |
| work_keys_str_mv | AT jakubowskajoanna effectofirrigationwatertypeonsoilorganicmattersomfractionsandtheirinteractionswithhydrophobiccompounds |