Water contamination with Hexavalent Chromium in Libyas water supply system and its removal by adsorptive methods:
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2013
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 91 S. Ill., graph. Darst. |
Internformat
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| 650 | 0 | 7 | |a Wasserverschmutzung |0 (DE-588)4189299-9 |2 gnd |9 rswk-swf |
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Datensatz im Suchindex
| _version_ | 1804151986123177984 |
|---|---|
| adam_text | CONTENTS
NOMENCLATURE 3
1. MOTIVATION AND STRUCTURE OF THE THESIS 5
2. BOUNDARY CONDITIONS AND STATE OF THE ART 8
2.1. BOUNDARY CONDITIONS IN LIBYA 8
2.2. GROUND WATER 10
2.3. CHROMIUM CHEMISTRY: ENVIRONMENTAL BEHAVIOR, IMPACT ON HUMANS
AND ITS APPLICATIONS 11
2.3.1. BASICS OF CHROMIUM - ORIGIN AND CHEMISTRY 11
2.3.2. INDUSTRIAL APPLICATIONS OF CHROMIUM 13
2.3.3. FATE AND BEHAVIOUR OF CHROMIUM IN THE ENVIRONMENT 14
2.3.4. CHROMIUM AND HEALTH 16
2.3.5. TREATMENT
OF CHROMIUM CONTAMINATION FROM THE AQUEOUS PHASE 18
2.4. ENVIRONMENTAL ANALYSIS 20
2.4.1. WATER ANALYSIS 21
2.4.2. ANALYTICAL METHODS THE DETERMINATION OF HEXA- AND TRIVALENT
CHROMIUM DETERMINATION 21
2.4.3. ATOMIC ABSORPTION SPECTROMETRY AND PHOTOMETRIC METHODS 22
2.5. ADSORPTION BASICS 27
2.5.1. ADSORPTION FUNDAMENTALS AND DYNAMICS 27
2.5.2. ADSORBENTS AND THEIR PREPARATION 29
2.5.3. ADSORPTION ISOTHERMS 35
2.5.4. ADSORPTION KINETICS 38
3. MATERIALS AND METHODS 40
3.1. GENERAL REAGENTS 40
3.2. SAMPLE COLLECTION, PRESERVATION AND HANDLING 40
3.3. ANALYSIS OF HEXAVALENT AND TOTAL CHROMIUM BY MEANS OF PHOTOMETRY 42
3.4. ANALYSIS OF HEXAVALENT CHROMIUM BY MEANS OF FAAS 48
3.5. INTERLABORATORY COMPARISON 50
3.6. ADSORPTIVE REMOVAL 50
3.6.1. EXPERIMENTAL SETUP 50
3.6.2. PRODUCTION OF ADSOBENTS 50
3.6.3. CHOICE OF SILICAGEL 51
1
HTTP://D-NB.INFO/1048456056
3.6.4. PHYSICAL CHARACTERIZATION 51
3.6.4.1. DRYING OF SILICAGEL 52
3.6.4.2. PREPARATION OF ADSORBENTS HSU-100-8001 AND HSU-100-8002 52
3.6.4.3. PREPARATION OF ZINC RICINOLEATE ADSORBENT HSU-100-8004 53
3.6.4.4. PREPARATION OF ZINC RICINOLEATE ADSORBENT
HSU-100-8004 - NEW METHOD 53
3.6.5. EXPERIMENTAL SETUP OF THE ADSORPTION EXPERIMENTS 53
4. RESULTS AND
DISCUSSION 55
4.1. CHROMIUM CONCENTRATIONS IN PORTABLE WATER
- AN INTERLABORATORY COMPARISON 55
4.2. ADSORPTIVE REMOVAL OF CHROMIUM 61
4.2.1. NATURAL ADSORBENTS 63
4.2.2. SPECIAL CHEMICAL COMPOUNDS 66
4.2.3. SELECTIVE ADSORBENTS 67
4.3. KINETICS 76
5. SUMMARY AND OUTLOOK 79
6. LITERATURE 81
LIST OF FIGURE 89
LIST OF TABLE 91
2
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| indexdate | 2024-07-10T01:03:32Z |
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| language | English |
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| spelling | Aboelgasem, Ali Verfasser (DE-588)1047944502 aut Water contamination with Hexavalent Chromium in Libyas water supply system and its removal by adsorptive methods vorgelegt von Ali Aboelgasem 2013 91 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Hamburg, Helmut-Schmidt-Univ., Diss., 2013 Zsfassung in dt. Sprache Chromverbindungen (DE-588)4329242-2 gnd rswk-swf Adsorption (DE-588)4000536-7 gnd rswk-swf Wasserreinigung (DE-588)4274580-9 gnd rswk-swf Wasserverschmutzung (DE-588)4189299-9 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Chromverbindungen (DE-588)4329242-2 s Wasserverschmutzung (DE-588)4189299-9 s Wasserreinigung (DE-588)4274580-9 s Adsorption (DE-588)4000536-7 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027159904&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Aboelgasem, Ali Water contamination with Hexavalent Chromium in Libyas water supply system and its removal by adsorptive methods Chromverbindungen (DE-588)4329242-2 gnd Adsorption (DE-588)4000536-7 gnd Wasserreinigung (DE-588)4274580-9 gnd Wasserverschmutzung (DE-588)4189299-9 gnd |
| subject_GND | (DE-588)4329242-2 (DE-588)4000536-7 (DE-588)4274580-9 (DE-588)4189299-9 (DE-588)4113937-9 |
| title | Water contamination with Hexavalent Chromium in Libyas water supply system and its removal by adsorptive methods |
| title_auth | Water contamination with Hexavalent Chromium in Libyas water supply system and its removal by adsorptive methods |
| title_exact_search | Water contamination with Hexavalent Chromium in Libyas water supply system and its removal by adsorptive methods |
| title_full | Water contamination with Hexavalent Chromium in Libyas water supply system and its removal by adsorptive methods vorgelegt von Ali Aboelgasem |
| title_fullStr | Water contamination with Hexavalent Chromium in Libyas water supply system and its removal by adsorptive methods vorgelegt von Ali Aboelgasem |
| title_full_unstemmed | Water contamination with Hexavalent Chromium in Libyas water supply system and its removal by adsorptive methods vorgelegt von Ali Aboelgasem |
| title_short | Water contamination with Hexavalent Chromium in Libyas water supply system and its removal by adsorptive methods |
| title_sort | water contamination with hexavalent chromium in libyas water supply system and its removal by adsorptive methods |
| topic | Chromverbindungen (DE-588)4329242-2 gnd Adsorption (DE-588)4000536-7 gnd Wasserreinigung (DE-588)4274580-9 gnd Wasserverschmutzung (DE-588)4189299-9 gnd |
| topic_facet | Chromverbindungen Adsorption Wasserreinigung Wasserverschmutzung Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027159904&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT aboelgasemali watercontaminationwithhexavalentchromiuminlibyaswatersupplysystemanditsremovalbyadsorptivemethods |