All Stories

  1. Modification of municipal wastewater for improved biogas recovery

    Article • Water Practice & Technology, June 2020, IWA Publishing

    Prof Karoli Nicholas Njau

  2. Approaches to the mitigation of ammonia inhibition during anaerobic digestion – a review

    Article • Water Practice & Technology, June 2020, IWA Publishing

    Prof Karoli Nicholas Njau

  3. Refining Network Lifetime of Wireless Sensor Network Using Energy-Efficient Clustering and DRL-Based Sleep Scheduling

    Article • Sensors, March 2020, MDPI AG

    Prof Karoli Nicholas Njau

  4. Cluster based wireless sensor network for forests environmental monitoring

    Article • International Journal of Advanced Technology and Engineering Exploration, February 2020, Association of Computer, Communication and Education for National Triumph Social and Welfare Society (ACCENTS)

    Prof Karoli Nicholas Njau

  5. A low cost filter design for community drinking water

    Article • January 2020, Desalination Publications

    Dr. Mwemezi Johaiven Rwiza, Prof Karoli Nicholas Njau

  6. A Novel and Facile Method to Characterize the Suitability of Metallic Iron for Water Treatment

    Article • Water, November 2019, MDPI AG

    Prof Karoli Nicholas Njau

  7. Preparation of aluminium sulphate from kaolin and its performance in combination tanning

    Article • SN Applied Sciences, July 2019, Springer Science + Business Media

    Prof Karoli Nicholas Njau

  8. Water-Handling Patterns and Associated Microbial Profiles in relation to Hygiene in Babati Town, Tanzania

    Article • Journal of Environmental and Public Health, May 2019, Hindawi Publishing Corporation

    Prof Karoli Nicholas Njau, Irene Tesha

  9. Local materials additive to Portland cement

    Article • Construction and Building Materials, February 2019, Elsevier

    Prof Karoli Nicholas Njau

  10. The Impact of Selected Pretreatment Procedures on Iron Dissolution from Metallic Iron Specimens Used in Water Treatment

    Article • Sustainability, January 2019, MDPI AG

    Prof Karoli Nicholas Njau

  11. White Teeth and Healthy Skeletons for All: The Path to Universal Fluoride-Free Drinking Water in Tanzania

    Article • Water, January 2019, MDPI AG

    Prof Karoli Nicholas Njau, Prof. Dr. Willis Gwenzi

  12. Phosphorus Recovery from Wastewater for application in agriculture

    Article • International Journal of Environmental Science and Technology, January 2019, Springer Science + Business Media

    Prof Karoli Nicholas Njau

  13. Water defluoridation by Fe(III)-loaded sisal fibre: Understanding the influence of the preparation pathways on biosorbents’ defluoridation properties

    Article • Journal of Hazardous Materials, January 2019, Elsevier

    Prof Karoli Nicholas Njau

  14. Effect of mass transfer limitations in constructed wetlands used as tertiary systems

    Article • Water Science & Technology, December 2018, IWA Publishing

    Prof Karoli Nicholas Njau

  15. Land-Use and Land Cover Changes on the Slopes of Mount Meru-Tanzania

    Article • Current World Environment, December 2018, Enviro Research Publishers

    Prof Karoli Nicholas Njau

  16. Contamination of groundwater sources in emerging African towns: the case of Babati town, Tanzania

    Article • Water Practice & Technology, December 2018, IWA Publishing

    Prof Karoli Nicholas Njau

  17. Water contamination with hazardous natural substances

    Article • Water Practice & Technology, September 2018, IWA Publishing

    Prof Karoli Nicholas Njau

  18. Groundwater age dating and recharge mechanism of Arusha aquifer, northern Tanzania: application of radioisotope and stable isotope techniques

    Article • Hydrogeology Journal, July 2018, Springer Science + Business Media

    Prof Karoli Nicholas Njau

  19. Hydrogeochemical characteristics and spatial distribution of groundwater quality in Arusha well fields, Northern Tanzania

    Article • Applied Water Science, July 2018, Springer Science + Business Media

    Prof Karoli Nicholas Njau

  20. Detection of saturation of fluoride filters

    Article • Water, May 2018, MDPI AG

    Prof Karoli Nicholas Njau, Prof. Dr. Willis Gwenzi

  21. Fluoride Variations in Rivers on the Slopes of Mount Meru in Tanzania

    Article • Journal of Chemistry, January 2018, Hindawi Publishing Corporation

    Prof Karoli Nicholas Njau, Aldo Kitalika

  22. Pollution of Pangani River by organic carbon

    Article • Environmental Chemistry, January 2018, CSIRO Publishing

    Prof Karoli Nicholas Njau, Dr Maureen Kapute Mzuza

  23. The application of nutrient budget models to determine the ecosystem health of the Wami Estuary, Tanzania

    Article • Ecohydrology & Hydrobiology, October 2017, Elsevier

    Prof Karoli Nicholas Njau

  24. Anaerobic treatment of tannery wastewater using ASBR for methane recovery and greenhouse gas emission mitigation

    Article • Journal of Water Process Engineering, October 2017, Elsevier

    Prof Karoli Nicholas Njau

  25. Seasonal water chemistry variability in the Pangani River basin, Tanzania

    Article • Environmental Science and Pollution Research, September 2017, Springer Science + Business Media

    Prof Karoli Nicholas Njau, Dr Maureen Kapute Mzuza

  26. Application of up-flow anaerobic sludge blanket reactor integrated with constructed wetland for treatment of banana winery effluent

    Article • Water Practice & Technology, August 2017, IWA Publishing

    Prof Karoli Nicholas Njau

  27. Metallic iron for water treatment: leaving the valley of confusion

    Article • Applied Water Science, July 2017, Springer Science + Business Media

    Prof Karoli Nicholas Njau

  28. Making Fe0-Based Filters a Universal Solution for Safe Drinking Water Provision

    Article • Sustainability, July 2017, MDPI AG

    Prof Karoli Nicholas Njau

  29. Kinetic analysis of anaerobic sequencing batch reactor for the treatment of tannery wastewater

    Article • African Journal of Environmental Science and Technology, June 2017, Academic Journals

    Prof Karoli Nicholas Njau

  30. Metallic iron for safe drinking water provision: Considering a lost knowledge

    Article • Water Research, June 2017, Elsevier

    Prof Karoli Nicholas Njau

  31. Nutrients’ distribution and their impact on Pangani River Basin’s ecosystem – Tanzania

    Article • Environmental Technology, May 2017, Taylor & Francis

    Prof Karoli Nicholas Njau, Dr Maureen Kapute Mzuza

  32. Performance of constructed wetland integrated with sand filters for treating high turbid water for drinking

    Article • Water Practice & Technology, March 2017, IWA Publishing

    Mr Stanslaus Mtavangu, Prof Karoli Nicholas Njau

  33. Eggshells assisted hydrolysis of banana pulp for biogas production

    Article • African Journal of Environmental Science and Technology, January 2017, Academic Journals

    Prof Karoli Nicholas Njau

  34. Measurement of Pozzolanic Activity Index of Scoria, Pumice, and Rice Husk Ash as Potential Supplementary Cementitious Materials for Portland Cement

    Article • Advances in Civil Engineering, January 2017, Hindawi Publishing Corporation

    Prof Karoli Nicholas Njau, Alex Mrema, HIERONIMI MBOYA

  35. Removal capacity of faecal pathogens from wastewater by four wetland vegetation: Typha latifolia, Cyperus papyrus, Cyperus alternifolius and Phragmites australis

    Article • African Journal of Microbiology Research, May 2016, Academic Journals

    Prof Karoli Nicholas Njau

  36. Energy Recovery Routes from Municipal Solid Waste: A Case Study of Arusha-Tanzania

    Article • February 2016, Taylor & Francis

    Prof Karoli Nicholas Njau

  37. Technologies for Decentralized Fluoride Removal: Testing Metallic Iron-based Filters

    Article • Water, November 2015, MDPI AG

    Prof Karoli Nicholas Njau

  38. The need to enforce minimum environmental flow requirements in Tanzania to preserve estuaries: case study of mangrove-fringed Wami River estuary

    Article • Ecohydrology & Hydrobiology, November 2015, Elsevier

    Prof Karoli Nicholas Njau

  39. Experimental analysis of air flow patterns in perfomance of flat plate solar collectors

    Article • African Journal of Agricultural Research, February 2015, Academic Journals

    Prof Karoli Nicholas Njau

  40. LINN Simulation Model for Health/Environmental Impacts Associated with the Presence of Dangerous Minerals in Agricultural Soils

    Article • International Journal of Plant & Soil Science, January 2015, Sciencedomain International

    Prof Karoli Nicholas Njau

  41. The Potential of Using Indigenous Pesticidal Plants for Insect Pest Control to Small Scale Farmers in Africa

    Article • American Journal of Plant Sciences, January 2015, Scientific Research Publishing, Inc,

    Prof Karoli Nicholas Njau

  42. The Need to Enforce Minimum Environmental Flow Requirements in Tanzania to Preserve Estuaries: Case Study of the Mangrove-Fringed Wami River Estuary

    Article • Hydrology Current Research, January 2015, OMICS Publishing Group

    Prof Karoli Nicholas Njau

  43. A review of the challenges and opportunities for water reuse in irrigation with a focus on its prospects in Tanzania

    Article • International Journal of Environmental Engineering, January 2015, Inderscience Publishers

    Prof Karoli Nicholas Njau

  44. Wastewater treatment performance efficiency of constructed wetlands in African countries: a review

    Article • Water Science & Technology, November 2014, IWA Publishing

    Prof Karoli Nicholas Njau

  45. A Survey on Heavy Metal (Metalloids) Concentration in Selected Acidic and Volcanic Soils in Tanzania

    Article • International Journal of Plant & Soil Science, January 2014, Sciencedomain International

    Prof Karoli Nicholas Njau

  46. Effect of Glass Thickness on Performance of Flat Plate Solar Collectors for Fruits Drying

    Article • Journal of Energy, January 2014, Hindawi Publishing Corporation

    Prof Karoli Nicholas Njau

  47. Wastewater treatment for reuse in urban agriculture; the case of Moshi Municipality, Tanzania

    Article • Physics and Chemistry of the Earth Parts A/B/C, January 2014, Elsevier

    Prof Karoli Nicholas Njau

  48. Efficiency of a constructed wetland in removing microbial contaminants from pre-treated municipal wastewater

    Article • Physics and Chemistry of the Earth Parts A/B/C, January 2014, Elsevier

    Prof Karoli Nicholas Njau

  49. The Influence of Stereochemistry of the Active Compounds on Fluoride Adsorption Efficiency of the Plant Biomass

    Article • American Journal of Chemical Engineering, January 2014, Science Publishing Group

    Prof Karoli Nicholas Njau

  50. Performance of horizontal subsurface flow constructed wetland in the removal of tannins

    Article • Journal of Environmental Engineering and Science, November 2013, ICE Publishing

    Prof Karoli Nicholas Njau

  51. Influence of flow velocity on the removal of faecal coliforms in horizontal subsurface flow constructed wetland

    Article • Water Science & Technology, December 2012, IWA Publishing

    Prof Karoli Nicholas Njau

  52. Establishment and Growth of Vetiver Grass Exposed to Landfill Leachate

    Article • The Journal of Solid Waste Technology and Management, May 2012, Journal of Solid Waste Technology and Management

    Prof Karoli Nicholas Njau

  53. Use of engineered wetlands for onsite treatment of wastewater by the local communities: Experiences from Tanzania

    Article • Water Practice & Technology, September 2011, IWA Publishing

    Prof Karoli Nicholas Njau

  54. Effect of diffusional mass transfer on the performance of horizontal subsurface flow constructed wetlands in tropical climate conditions

    Article • Water Science & Technology, June 2011, IWA Publishing

    Prof Karoli Nicholas Njau

  55. Use of vetiver grass constructed wetland for treatment of leachate

    Article • Water Science & Technology, March 2011, IWA Publishing

    Prof Karoli Nicholas Njau

  56. Socio-economic analysis of constructed wetlands systems for hygienic sanitation in Tanzania

    Article • Water Practice & Technology, March 2010, IWA Publishing

    Prof Karoli Nicholas Njau

  57. Phosphorus Sorption Behaviours and Properties of Mbeya-Pumice

    Article • January 2006, Elsevier

    Prof Karoli Nicholas Njau

  58. Electrochemical reduction of nickel ions from dilute solutions

    Article • Journal of Applied Electrochemistry, October 1995, Springer Science + Business Media

    Prof Karoli Nicholas Njau