Table of contents : Contents Cassava Wastewater: An Introduction, Characterization and Potential References Soil-Cement Brick with Cassava Wastewater 1 Introduction 2 Used Materials 2.1 Soil 2.2 Cement 2.3 Water 2.4 Cassava Wastewater 3 Methodology 3.1 Materials Characterization 3.2 Molding and Curing of the Bricks 3.3 Simple Compressive Strength Test 3.4 Water Absorption Test 3.5 Durability Test by Immersion and Drying 3.6 Mineralogical Analysis of the Compositions 3.7 Scanning Electron Microscopy (SEM) 4 Results and Discussions of the Characterization of Materials 4.1 Soil Characterization 4.2 Cement Characterization 4.3 Cassava Wastewater Characterization 5 Results and Discussions of Technological Tests 5.1 Simple Compressive Strength 5.2 Water Absorption 5.3 Modified Durability 6 Results and Discussions of Microstructural Tests 6.1 Mineralogical Analysis by XRD 6.2 Scanning Electron Microscopy (SEM) 7 Conclusions References Ecological Brick of Mineral Residues and Cassava Wastewater 1 Introduction 2 Residues in Soil-Cement Bricks 3 Used Materials 3.1 Solid Residues 3.2 Cassava Wastewater 4 Methodology 5 Results and Discussion 5.1 Residues Characterization 5.2 Packing Analysis 5.3 Simple Compressive Strength 5.4 Water Absorption 5.5 Modified Durability 5.6 Fracture Surface Analysis 6 Analysis of the Combination of Solid Residues, Cassava Wastewater, and Cement 7 Conclusions References Mortar Produced with Scheelite Residue and Cassava Wastewater 1 Introduction 2 Utilized Materials 2.1 Aggregates 2.2 Cement 2.3 Lime 2.4 Water 2.5 Cassava Wastewater 3 Methodology 3.1 Molding and Curing of Specimens 3.2 Testing Mortars in the Fresh State 3.3 Testing of Mortars in the Hardened State 4 Results 4.1 Aggregates 4.2 Binders 4.3 Cassava Wastewater 4.4 Chemical and Mineralogical Analysis of Materials 4.5 Testing Mortars in the Fresh State 4.6 Testing Mortars in the Hardened State 5 Conclusions References Earthbag Construction System with Cassava Wastewater 1 Introduction 2 Earth Construction Techniques 3 Cassava Wastewater 4 Methodology 4.1 First Phase 4.2 Second Phase 5 Results and Discussions 5.1 Characterization of the Soil and the Cassava Wastewater 5.2 Technological Tests 6 Thermo-acoustic Evaluation of the System 6.1 Thermal Evaluation of Construction Systems 6.2 Acoustic Evaluation of Systems 7 Conclusion References