Phase and Micro-Chemical Characterization of Water Works Sludge Minerals and their Thermally-Decomposed Products Article Swipe
Nkolika V Anyakora
,
C. S. Ajinomoh
,
Abdulkarim Salawudeen Ahmed
,
I.A. Mohammed-Dabo
,
Stephen Ejeh
,
C. A. Okuofu
,
Hammajam Alhaji Abba
·
YOU?
·
· 2017
· Open Access
·
YOU?
·
· 2017
· Open Access
·
Environmental Regulations worldwide have created a critical need for a long term approach to sludge management for environmental sustainability. Several sludge disposal concepts adopt the reuse of sludge as a viable alternative to material application and utilization in engineering design. In-depth understanding of the mineralogical compositions of water works sludge and its decomposed products became inevitable for optimal use in engineering applications. In this paper, sludge from Lower Usuma Dam Water Treatment Plant (LUDWTP), Abuja, Nigeria is assessed for reuse potentials in engineering applications . The processing steps considered include gravity thickening, air drying and thermal treatment at temperatures of 105 o C, 800 o C and 1000 o C respectively. The effect of temperature on the microstructure and chemical properties of the resultant sludge ash were investigated using scanning electron microscopy (SEM), energy dispersion spectroscopy (EDS) and x-ray diffraction (XRD) techniques. The results showed the presence of phyllosilicates. The thermally-treated sludge at 105 o C did not show significant changes in structure while the diffraction patterns at 800 o C gave a featureless x-ray band of amorphous meta-kaolinite and the formation of gamma-alumina and amorphous silica at 1000 o C. Toxicity Characteristic Leaching Procedure (TCLP) tests showed that the metal leaching level is within the acceptable National and International environmental limits.
Related Topics
Concepts
Leaching (pedology)
Sewage sludge
Reuse
Amorphous solid
Toxicity characteristic leaching procedure
Kaolinite
Materials science
Microstructure
Waste management
Chemical engineering
Sewage treatment
Environmental science
Metallurgy
Environmental engineering
Chemistry
Metal
Soil water
Engineering
Soil science
Organic chemistry
Metadata
- Type
- article
- Language
- en
- Landing Page
- http://jer.unilag.edu.ng/article/download/281/214
- OA Status
- green
- Cited By
- 1
- Related Works
- 20
- OpenAlex ID
- https://openalex.org/W2612926099
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W2612926099Canonical identifier for this work in OpenAlex
- Title
-
Phase and Micro-Chemical Characterization of Water Works Sludge Minerals and their Thermally-Decomposed ProductsWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2017Year of publication
- Publication date
-
2017-04-06Full publication date if available
- Authors
-
Nkolika V Anyakora, C. S. Ajinomoh, Abdulkarim Salawudeen Ahmed, I.A. Mohammed-Dabo, Stephen Ejeh, C. A. Okuofu, Hammajam Alhaji AbbaList of authors in order
- Landing page
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https://jer.unilag.edu.ng/article/download/281/214Publisher landing page
- Open access
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YesWhether a free full text is available
- OA status
-
greenOpen access status per OpenAlex
- OA URL
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https://jer.unilag.edu.ng/article/download/281/214Direct OA link when available
- Concepts
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Leaching (pedology), Sewage sludge, Reuse, Amorphous solid, Toxicity characteristic leaching procedure, Kaolinite, Materials science, Microstructure, Waste management, Chemical engineering, Sewage treatment, Environmental science, Metallurgy, Environmental engineering, Chemistry, Metal, Soil water, Engineering, Soil science, Organic chemistryTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
1Total citation count in OpenAlex
- Citations by year (recent)
-
2023: 1Per-year citation counts (last 5 years)
- Related works (count)
-
20Other works algorithmically related by OpenAlex
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| abstract_inverted_index.drying | 100 |
| abstract_inverted_index.effect | 119 |
| abstract_inverted_index.energy | 140 |
| abstract_inverted_index.paper, | 66 |
| abstract_inverted_index.showed | 151, 204 |
| abstract_inverted_index.silica | 193 |
| abstract_inverted_index.sludge | 14, 20, 27, 49, 69, 131, 158 |
| abstract_inverted_index.viable | 30 |
| abstract_inverted_index.within | 211 |
| abstract_inverted_index.Nigeria | 79 |
| abstract_inverted_index.Several | 19 |
| abstract_inverted_index.changes | 167 |
| abstract_inverted_index.created | 4 |
| abstract_inverted_index.design. | 39 |
| abstract_inverted_index.gravity | 97 |
| abstract_inverted_index.include | 96 |
| abstract_inverted_index.limits. | 218 |
| abstract_inverted_index.optimal | 57 |
| abstract_inverted_index.results | 150 |
| abstract_inverted_index.thermal | 102 |
| abstract_inverted_index.In-depth | 40 |
| abstract_inverted_index.Leaching | 200 |
| abstract_inverted_index.National | 214 |
| abstract_inverted_index.Toxicity | 198 |
| abstract_inverted_index.approach | 12 |
| abstract_inverted_index.assessed | 81 |
| abstract_inverted_index.chemical | 126 |
| abstract_inverted_index.concepts | 22 |
| abstract_inverted_index.critical | 6 |
| abstract_inverted_index.disposal | 21 |
| abstract_inverted_index.electron | 137 |
| abstract_inverted_index.leaching | 208 |
| abstract_inverted_index.material | 33 |
| abstract_inverted_index.patterns | 173 |
| abstract_inverted_index.presence | 153 |
| abstract_inverted_index.products | 53 |
| abstract_inverted_index.scanning | 136 |
| abstract_inverted_index.(LUDWTP), | 77 |
| abstract_inverted_index.Procedure | 201 |
| abstract_inverted_index.Treatment | 75 |
| abstract_inverted_index.amorphous | 184, 192 |
| abstract_inverted_index.formation | 188 |
| abstract_inverted_index.resultant | 130 |
| abstract_inverted_index.structure | 169 |
| abstract_inverted_index.treatment | 103 |
| abstract_inverted_index.worldwide | 2 |
| abstract_inverted_index.acceptable | 213 |
| abstract_inverted_index.considered | 95 |
| abstract_inverted_index.decomposed | 52 |
| abstract_inverted_index.dispersion | 141 |
| abstract_inverted_index.inevitable | 55 |
| abstract_inverted_index.management | 15 |
| abstract_inverted_index.microscopy | 138 |
| abstract_inverted_index.potentials | 84 |
| abstract_inverted_index.processing | 93 |
| abstract_inverted_index.properties | 127 |
| abstract_inverted_index.Regulations | 1 |
| abstract_inverted_index.alternative | 31 |
| abstract_inverted_index.application | 34 |
| abstract_inverted_index.diffraction | 146, 172 |
| abstract_inverted_index.engineering | 38, 60, 86 |
| abstract_inverted_index.featureless | 180 |
| abstract_inverted_index.significant | 166 |
| abstract_inverted_index.techniques. | 148 |
| abstract_inverted_index.temperature | 121 |
| abstract_inverted_index.thickening, | 98 |
| abstract_inverted_index.utilization | 36 |
| abstract_inverted_index.applications | 87 |
| abstract_inverted_index.compositions | 45 |
| abstract_inverted_index.investigated | 134 |
| abstract_inverted_index.spectroscopy | 142 |
| abstract_inverted_index.temperatures | 105 |
| abstract_inverted_index.Environmental | 0 |
| abstract_inverted_index.International | 216 |
| abstract_inverted_index.applications. | 61 |
| abstract_inverted_index.environmental | 17, 217 |
| abstract_inverted_index.gamma-alumina | 190 |
| abstract_inverted_index.mineralogical | 44 |
| abstract_inverted_index.respectively. | 117 |
| abstract_inverted_index.understanding | 41 |
| abstract_inverted_index.Characteristic | 199 |
| abstract_inverted_index.meta-kaolinite | 185 |
| abstract_inverted_index.microstructure | 124 |
| abstract_inverted_index.sustainability. | 18 |
| abstract_inverted_index.phyllosilicates. | 155 |
| abstract_inverted_index.thermally-treated | 157 |
| cited_by_percentile_year.max | 94 |
| cited_by_percentile_year.min | 89 |
| countries_distinct_count | 0 |
| institutions_distinct_count | 7 |
| sustainable_development_goals[0].id | https://metadata.un.org/sdg/15 |
| sustainable_development_goals[0].score | 0.44999998807907104 |
| sustainable_development_goals[0].display_name | Life in Land |
| citation_normalized_percentile.value | 0.05383093 |
| citation_normalized_percentile.is_in_top_1_percent | False |
| citation_normalized_percentile.is_in_top_10_percent | False |