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Soil Ecology and Bioremidiation

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Submitted By wga03
Words 3689
Pages 15
SOIL ECOLOGY AND BIOREMIDIATION

Faculty of Engineering and Architecture
CIVE 652-Environmental biotechnology

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Contents

INTRODUCTION 3 SOIL MICROORGANISMS 3 Bacteria and Actinomycetes 3 Protozoa 3 Algae 4 Fungi 4 Macrofauna and Mesofauna 4 SOIL UNDER OXIC AND ANOXIC CONDITIONS 4 SOIL CYCLES 5 Carbon Cycle 5 Nitrogen Cycle 6 Sulfur Cycle 7 SOIL POLLUTION 7 Main Causes of Soil Pollution: 7 Main Effects of Soil Pollution: 7 SOIL BIOREMEDIATION 8 EX SITU REMEDIATION TECHNIQUES 8 EX SITU NON-BIOLOGICAL REMEDIATION TECHNIQUES 9 1) Ex situ thermal processes 9 2) Ex situ chemical/physical remediation ( Soil scrubbing ) 9 EX SITU BIOLOGICAL REMEDIATION TECHNIQUES 9 1) Composting 10 2) Land farming 11 3)Biopiling ( Heap technique) 12 4) Bioslurry reactor 13 IN SITU REMEDIATION TECHNIQUES 13 IN SITU BIOLOGICAL REMEDIATION TECHNIQUES 14 1) Bioventing 14 2) Biosparging 15 3) Bioaugmentation: 15 4)Biostimulation 15 4) Bioslurping : 16 5) Phytoremediation 16 IN SITU NON-BIOLOGICAL REMEDIATION TECHNIQUES 16 1) In situ thermal processes 16 2) In situ chemical/physical process: Pump and treat processes 16 INFLUENCING FACTORS 16 CONCLUSION 17

Table of figures:

Figure 1. Soil microorganisms pie chart 3 Figure 2. Acquisition of phosphate by Mycorrhizal roots………………………………...3 Figure 3. Mycorrhizal roots……………………………………………………………….4 Figure 4. Carbon Cycle 5 Figure 5. Nitrogen Cycle 6 Figure 6. Sulfur Cycle 7 Figure 7: Rotary Kiln 8 Figure 8: Biological remediation techniques 10 Figure 9: Compost 10 Figure 10: Land Farming 11 Figure 11: Heap technique 12 Figure 12: Biolsurry Reactor 13 Figure 13 : Bioslurry remediation technique 13 Figure 14: Bioventing technique 14 Figure 15 : Biosparging Technique 15

INTRODUCTION
Overviewing contaminated soil treatment, the

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