Institute for Water and Wastewater Technology

An institute dedicated to water related research and innovation, affiliated with Durban University o

The Institute for Water and Wastewater Technology based at the Durban University of Technology has developed into a “Centre of Excellence” and proficiency. The focus is largely based on developing and optimising technology for the treatment of water and wastewater and to satisfy the needs of industry and the community. Research projects are selected and designed in close consultation with industri

Operating as usual

Photos from Institute for Water and Wastewater Technology's post 25/01/2024

Some glimpses of the 2024 publication workshop. Thanks to all presenters and experts for attending and good luck for submission.
Durban University of TechnologyNational Research FoundationWater Research CommissionEThekwini Municipality

Recycling air conditioner-generated condensate water for microalgal biomass production and carbon dioxide sequestration 05/01/2024

Our new publication is online now entitled "Recycling air conditioner-generated condensate water for microalgal biomass production and carbon dioxide sequestration".
This study examined the effectiveness of using air condition condensate water (ACW) in conjunction with BG11 growth media at different ratios to cultivate C. sorokiniana. The algal growth kinetics, physiology, biochemical composition, pigment contents, and maximum CO2 sequestration ability were analyzed. The feasibility of using air conditioning-generated water for microalgae cultivation and subsequent CO2 sequestration, and the potential applications of the resultant biomass were also assessed to verify the practicality and acceptability of ACW.
Congratulations to the all authors
For more details see the link below
Durban University of TechnologyWater Research CommissionEThekwini MunicipalityNational Research Foundation Humeira Hassan

Recycling air conditioner-generated condensate water for microalgal biomass production and carbon dioxide sequestration Air conditioners alleviate the discomfort of human beings from heat waves that are consequences of climate change caused by anthropogenic activities. …

04/01/2024

Latest (03-01-2024) beach and river water quality sampling results. The water quality of the bathing beaches is either excellent or acceptable. For more details see the attached pic.
Interpretation:
Excellence 500/100mL
Durban University of TechnologyNational Research FoundationEThekwini MunicipalityWater Research CommissionDurban, KwaZulu-Natal

29/12/2023

Latest (27-12-2023) beach and river water quality sampling results. The water quality of the bathing beaches is either excellent or acceptable. For more details see the attached pic.
Interpretation:
Excellence 500/100mL
Durban University of TechnologyEThekwini MunicipalityWater Research CommissionNational Research FoundationDurban TourismDurban, KwaZulu-Natal

Beneficiation of paper-pulp industrial wastewater for improved outdoor biomass cultivation and biodiesel production using Tetradesmus obliquus (Turpin) Kützing 28/12/2023

Publication alert, a new collaborative paper is online now entitled " Beneficiation of paper-pulp industrial wastewater for improved outdoor biomass cultivation and biodiesel production using Tetradesmus obliquus (Turpin) Kützing".
This study highlights the benefits of treating primary-treated (PTW) and secondary-treated (STW) paper-pulp industrial wastewaters using the microalga Tetradesmus obliquus (Turpin) Kützing. A batch culture study revealed that 50 % secondary treated wastewater can increase the biomass yield 1.8 fold to 2.51 g L−1 in 15 days with a corresponding lipid yield of 390.2 mg L−1. Upscaling this work in 200 L open raceway ponds with 50 % STW as the growth medium showed areal biomass and lipid productivities of 26.80 and 3.90 g m−2 day−1, respectively, in 15 days at 20 cm culture depth. This translates to a projected high annual biomass productivity of approximately 85.0 tons hectare−1 year−1 based on datasets spanning two consecutive years. Bioremediation efficiencies of 80.0 %, 91.51 %, and 92.10 % were achieved for COD, TOC, and NH4+ respectively.
Congratulations to the all authors
For more details see the link below.
Durban University of TechnologyWater Research CommissionNational Research FoundationEThekwini MunicipalityThomso, IIT Roorkee



Beneficiation of paper-pulp industrial wastewater for improved outdoor biomass cultivation and biodiesel production using Tetradesmus obliquus (Turpin) Kützing Algae-based wastewater bioremediation offers a cost-effective method for sustainably treating wastewater while simultaneously addressing global water …

Profiling pathogenic protozoan and their functional pathways in wastewater using 18S rRNA and shotgun metagenomics 28/12/2023

Our new collaborative paper is online now entitled "Profiling and their functional pathways in wastewater using 18S rRNA and shotgun metagenomics".
This study focused on profiling protozoan parasites from treated and untreated sewage collected at ten area points across three major South African cities: Cape Town, Durban, and Johannesburg. These regions are high-risk areas due to their popularity as tourist destinations, large populations living in informal settlements, and inadequate access to safe water, sanitation, and healthcare. For more details see the link below.
Congratulations to all authors
Durban University of TechnologyWater Research CommissionNational Research FoundationEThekwini Municipality

Profiling pathogenic protozoan and their functional pathways in wastewater using 18S rRNA and shotgun metagenomics Despite extensive research, little is known about the composition of eukaryotic protists in environmental samples. This is due to low parasite concent…

Anthelmintic resistance in soil-transmitted helminths: One-Health considerations - Parasitology Research 20/12/2023

Our new publication is online entitled "Anthelmintic resistance in soil‑transmitted helminths: One‑Health considerations".
Congratulations to the all authors.
For more details see the link below.
Durban University of TechnologyEThekwini MunicipalityWater Research CommissionNational Research Foundation

Anthelmintic resistance in soil-transmitted helminths: One-Health considerations - Parasitology Research The One-Health approach recognizes the intricate connection between human, animal, and environmental health, and that cooperative effort from various professionals provides comprehensive awareness and potential solutions for issues relating to the health of people, animals, and the environment. This...

20/12/2023

Latest (19-12-2023) joint sampled (EWS Lab and IWWT/DUT) beach and river water quality sampling results. The water quality of the bathing beaches is either excellent or acceptable. For more details see the attached pic.
Interpretation:
Excellence 500
Durban University of TechnologyEThekwini MunicipalityWater Research CommissionNational Research FoundationDurban Tourism

Exploring chlorination as a removal process for antiretroviral drugs (Nevirapine and Efavirenz) from water: Effect of operational parameters, kinetics, and trihalomethane formation 16/12/2023

Publication alert "Exploring chlorination as a removal process for antiretroviral drugs (Nevirapine and Efavirenz) from water: Effect of operational parameters, kinetics, and trihalomethane formation".
Congratulations to all authors.
Durban University of TechnologyWater Research CommissionNational Research FoundationEThekwini Municipality

Exploring chlorination as a removal process for antiretroviral drugs (Nevirapine and Efavirenz) from water: Effect of operational parameters, kinetics, and trihalomethane formation This study investigates the removal of antiretroviral drugs (ARVs), Nevirapine (NVP) and Efavirenz (EFV), from drinking water through chlorination, fo…

Exploring chlorination as a removal process for antiretroviral drugs (Nevirapine and Efavirenz) from water: Effect of operational parameters, kinetics, and trihalomethane formation 16/12/2023

Our new publication is now online entitled "Exploring as a removal process for ( and ) from water: Effect of operational parameters, , and formation". Congratulations to all authors.
WWater Research CommissionNational Research FoundationEThekwini MunicipalityDurban University of Technology

Exploring chlorination as a removal process for antiretroviral drugs (Nevirapine and Efavirenz) from water: Effect of operational parameters, kinetics, and trihalomethane formation This study investigates the removal of antiretroviral drugs (ARVs), Nevirapine (NVP) and Efavirenz (EFV), from drinking water through chlorination, fo…

Microalgal bioinoculants for sustainable agriculture and their interaction with biotic and abiotic components of the soil 16/12/2023

Our new publication is online entitled " for and their interaction with and abiotic components of the ".
Congratulations to all authors. For more details see the link below
Durban University of TechnologyWater Research CommissionNational Research FoundationEThekwini Municipality

Microalgal bioinoculants for sustainable agriculture and their interaction with biotic and abiotic components of the soil Modern agricultural practices have posed a detrimental impact on the environment due to their intensive use to meet the food demands of an ever-increa…

13/12/2023

Latest joint sampled beach and river water quality sampling results. It is encouraging to see that once again the water quality of the bathing beaches is either excellent or acceptable. For more details see the attached pic.
Durban University of TechnologyEThekwini MunicipalityNational Research FoundationWater Research CommissionDurban TourismDurban Walking Tours

Biofilm formation on microplastics in wastewater: insights into factors, diversity and inactivation strategies - International Journal of Environmental Science and Technology 13/11/2023

Publication alert entitled" Biofilm formation on microplastics in wastewater: insights into factors diversity and inactivation strategies
Congrats to the all authors.

Durban University of TechnologyWater Research CommissionNational Research FoundationEThekwini Municipality

Biofilm formation on microplastics in wastewater: insights into factors, diversity and inactivation strategies - International Journal of Environmental Science and Technology Microplastic (MP) occurrence in wastewater poses serious threats to aquatic organisms due to their ecological impact. Additionally, these microplastics may provide a unique habitat for microbial biofilms. This study explored the possible factors that facilitate biofilm formation on different MPs in....

Nanomaterials for Microplastic Removal from Wastewater: Current State of the Art Nanomaterials and Future Prospects 13/11/2023

Our new publication is online now entitled " for Removal from : Current State of the Art Nanomaterials and Future Prospects"

Congratulations to all authors.
DDurban University of TechnologyNational Research FoundationEThekwini MunicipalityWater Research Commission

Nanomaterials for Microplastic Removal from Wastewater: Current State of the Art Nanomaterials and Future Prospects Microplastics (MPs) and nanoplastics (NPs) infiltrate aquatic environments at an alarming rate, posing a serious threat to aquatic ecosystems and human health. Wastewater treatment plants are significant sources of MPs/NPs contamination in the aquatic environment, since they are inadequate at removi...

Ultrasound-induced PMS activation for acrylonitrile degradation with series LTZ perovskite-like catalysts: Synergistic and mechanistic insight 19/10/2023

Our new publication is online entitled "Ultrasound-induced PMS activation for acrylonitrile degradation with series LTZ perovskite-like catalysts: Synergistic and mechanistic insight". The paper discussed about a hybrid system (LaTixZn1−xO3/PMS/US) that utilizes ultrasound irradiation to activate PMS (peroxymonosulfate) for the degradation of acrylonitrile. The system incorporates a series of perovskite-like catalysts LaTixZn1−xO3 (x = 0.2, 0.4, 0.6, 0.8, 1) fabricated using citric sol-gel method. The texture properties, surface morphology and composition of synthesized catalysts were analyzed by TEM, FESEM/EDS, FTIR, XRD and XPS. Furthermore, influences of operation parameters such as catalyst dose, PMS dose, pH, and US power, co-existing anions were investigated along with PMS utilization efficacy and its consumption rate. Under the optimal conditions, catalyst 0.75LTZ exhibited remarkable catalytic activity for acrylonitrile degradation (98.7%), with synergistic index value (3.363). The trapping experiments and EPR analysis revealed that ROS (SO4•− and •OH) both played a pivotal role in acrylonitrile removal, accordingly a rational mechanism was elucidated. The co-existing ions species HCO3– showed a strong inhibitory effect on acrylonitrile degradation compared to other ionic species (NO3–, Cl–, and SO42–). Based on the GC-MS analysis and existing literature, four possible pathways for the degradation of acrylonitrile were suggested. The treatment process incurred a cost of around 0.081$ per liter of wastewater in the 0.75LTZ/PMS/US system.
Congratulations to all authors.
Durban University of TechnologyWater Research CommissionNational Research FoundationEThekwini Municipality

Ultrasound-induced PMS activation for acrylonitrile degradation with series LTZ perovskite-like catalysts: Synergistic and mechanistic insight The degradation of toxic and refractory pollutants requires an efficient, environmentally friendly, and cost-effective treatment process to address th…

Microalgae from wastewaters to wastelands: Leveraging microalgal research conducive to achieve the UN Sustainable Development Goals 08/10/2023

Our new publication is online entitled "Microalgae from wastewaters to wastelands: Leveraging microalgal research conducive to achieve the UN Sustainable Development Goals". The paper published in RSER (IF15.9).
Congratulations to all authors.
Durban University of TechnologyNational Research FoundationEThekwini MunicipalityWater Research Commission

Microalgae from wastewaters to wastelands: Leveraging microalgal research conducive to achieve the UN Sustainable Development Goals The scientific evidence on applications of microalgae in bioremediation of wastewaters, increasing agricultural productivity, and biomass production s…

Photos from Institute for Water and Wastewater Technology's post 08/10/2023

Some glimpses of Metagenomics training (3-6 Oct, 2023) by our collaborator, the National Institute for Communicable Diseases (NICD), South Africa. Thank you all for attending.
Durban University of Technology EThekwini MunicipalityNational Research FoundationWater Research Commission National Institute for Communicable Diseases

Photos from Institute for Water and Wastewater Technology's post 23/09/2023

The Institute for Water and Wastewater Technology (IWWT) at the Durban University of Technology (DUT) conducted water quality tests at some of Durban’s popular beach destinations on Thursday, 21 September 2023.
The results from the six beaches under evaluation were alarming, with one beach (Glenashley) showing poor levels of E.coli in the water that was sampled and the other five beaches being even more concerning. For more details,, see attached pics.
Durban University of TechnologyEThekwini MunicipalityWater Research CommissionDurban TourismNational Research Foundation

Machine learning-based design and monitoring of algae blooms: Recent trends and future perspectives – A short review 08/09/2023

Publication alerts entitled "Machine learning-based design and monitoring of algae blooms: Recent trends and future perspectives – A short review".
Paper discussed about,Machine learning (ML) models are widely used methods for analyzing data from sensors and satellites to monitor climate change, predict natural disasters, and protect wildlife. However, the application of these technologies for monitoring and managing algal blooms in freshwater environments is relatively new and novel. The commonly used models in algal blooms (ABS) so far are artificial neural networks (ANN), random forests (RF), support vector machine (SVM), data-driven modeling, and long short-term memory (LSTM). In the past, researchers have mostly worked on predicting the effluent parameters, nutrients, microculture, area and weather conditions, meteorological factors, ground waters, energy optimization, and metallic substances in algal blooms using ML models. Most of the studies have employed performance metrics like root mean squared error, mean squared error, peak signal, precision, and determination coefficient as their primary model performance measures for accuracy analysis, and the usage of transfer, and activation function. While there have been some studies on this topic, several research gaps are still to be addressed. The most significant gaps are related to the limited application of ML in different algae bloom scenarios, the interpretability of ML models, and the lack of integration with existing monitoring systems. Keeping these in mind, this review article has been methodically arranged to present an overview of the past studies, their limitations, and the way forward toward the application of ML in the prediction of ABS, thus benefitting future researchers in this area. This review aims to summarize the data that are available, including some benchmarking values.
Congratulations to all authors.
Durban University of TechnologyEThekwini MunicipalityWater Research CommissionNational Research Foundation

Machine learning-based design and monitoring of algae blooms: Recent trends and future perspectives – A short review Machine learning (ML) models are widely used methods for analyzing data from sensors and satellites to monitor climate change, predict natural disasters, and protect wildlife. However, the applicat...

Photos from Institute for Water and Wastewater Technology's post 05/09/2023

IWWT/DUT Scientist Conduct Independent Safety Tests on Durban's Drinking Water.
Samples were collected on 30 August 2023 from several areas within eThekwini Municipality covering the Northern, Southern and Western parts of the metro. Samples were collected by personnel from the Institute for Water and Wastewater Technology (DUT) following chain of custody protocols. The analysis was conducted in accordance with the standard protocol for microbiological water quality analysis as per SANS 241. Samples obtained included tap water from households. The areas tested had a consistent supply of water during the sampling period.
Findings indicated that no E. coli was present in any of the water samples tested (see Table 1 attached). Findings showed that the water satisfies microbiological water quality standards at the time of sampling.
It should be noted that these findings are in the interest of public safety and have not been commissioned by any organization or entity. For more details see the pics.
Durban University of TechnologyEThekwini MunicipalityDurban Tourism

Photos from Institute for Water and Wastewater Technology's post 28/07/2023

Proposal presentation (2023) by our Master candidates Shashika Singh and Humeira Hassan. Thank you all for attending and your valuable comments.
Durban University of TechnologyNational Research FoundationEThekwini MunicipalityWater Research CommissionuShaka Marine World

Photos from Institute for Water and Wastewater Technology's post 27/07/2023

Mid-term progress presentation by our post-doctoral fellows and Research Associate. Thank you all for attending and presenting your research progress.
Durban University of TechnologyEThekwini MunicipalityNational Research FoundationWater Research Commission

Photos from Institute for Water and Wastewater Technology's post 27/07/2023

Congratulations to Prof. Sheena Kumari and Dr. Ncumisa Mpongwana for winning outstanding female established researchers in the steam area and Outstanding Female Post-doctoral Fellow, respectively.

Durban University of TechnologyEThekwini MunicipalityNational Research FoundationWater Research Commission

24/07/2023

Many Congratulations to Humeira Hassan (Master's student) for winning Outstanding Female Innovation at the University (2023). Durban University of TechnologyNational Research FoundationEThekwini Municipality

Photos from Institute for Water and Wastewater Technology's post 18/07/2023

A feedback presentation on the Fulbright U.S. Student Program at the University of Minnesota by our Ph.D. candidate Precious Mthethwa.
LET 2023 (The 18th IWA Leading Edge Conference on Water and Wastewater Technologies Achieving Sustainability Through Water Technology, Daegu, South Korea) by our Ph.D. candidate Magray Owaes. Thanks, all for joining.
Durban University of TechnologyEThekwini MunicipalityNational Research Foundation

Photos from Institute for Water and Wastewater Technology's post 13/07/2023

A feedback presentation on AlgalBBB2023 (International Conference, on Algal Biomass, Biofuels and Bioproducts Hawaii, USA), by Dr. Faiz. Thanks, algae team for joining.
Durban University of TechnologyNational Research FoundationEThekwini Municipality

Photos from Institute for Water and Wastewater Technology's post 06/07/2023

Proposal presentation (2023) by our Master candidate Mr. Uwais Mahmud. Thank you all for attending.
EThekwini MunicipalityDurban University of TechnologyNational Research Foundation

Photos from Institute for Water and Wastewater Technology's post 28/06/2023

Training on qPCR and ddPCR taking PCR on next level.

Photos from Institute for Water and Wastewater Technology's post 05/06/2023

IWWT/DUT Scientist Conduct Independent Safety Tests on Durban's Drinking Water. For more details see attached pictures.
Durban University of TechnologyEThekwini MunicipalityNational Research FoundationDurban, KwaZulu-NatalDurban Tourism

Photos from Institute for Water and Wastewater Technology's post 02/06/2023

Weekly Progress presentation (2023) by our Master candidate Ntombifuthi Mtambo and Ph.D. candidate Tyrone Moodley. Thank you all for attending.
Durban University of TechnologyEThekwini MunicipalityNational Research Foundation

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