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All Outputs (41)

Multiple target data-driven models to enable sustainable process manufacturing: An industrial bioprocess case study (2021)
Journal Article
FISHER, O. J., WATSON, N. J., PORCU, L., BACON, D., RIGLEY, M., & GOMES, R. L. (2021). Multiple target data-driven models to enable sustainable process manufacturing: An industrial bioprocess case study. Journal of Cleaner Production, 296, Article 126242. https://doi.org/10.1016/j.jclepro.2021.126242

Process manufacturing industries constantly strive to make their processes increasingly sustainable from an environmental and economic perspective. A manufacturing system model is a powerful tool to holistically evaluate various manufacturing configu... Read More about Multiple target data-driven models to enable sustainable process manufacturing: An industrial bioprocess case study.

Monitoring of Ground Movement and Groundwater Changes in London Using InSAR and GRACE (2020)
Journal Article
Agarwal, V., Kumar, A., L. Gomes, R., & Marsh, S. (2020). Monitoring of Ground Movement and Groundwater Changes in London Using InSAR and GRACE. Applied Sciences, 10(23), 1-21. https://doi.org/10.3390/app10238599

Groundwater-induced land movement can cause damage to property and resources, thus its monitoring is very important for the safety and economics of a city. London is a heavily built-up urban area and relies largely on its groundwater resource and thu... Read More about Monitoring of Ground Movement and Groundwater Changes in London Using InSAR and GRACE.

It's the product not the polymer: Rethinking plastic pollution (2020)
Journal Article
Stanton, T., Kay, P., Johnson, M., Chan, F. K. S., Gomes, R. L., Hughes, J., …Xu, Y. (2021). It's the product not the polymer: Rethinking plastic pollution. Wiley Interdisciplinary Reviews: Water, 8(1), Article e1490. https://doi.org/10.1002/wat2.1490

Mismanaged plastic waste poses a complex threat to the environments that it contaminates, generating considerable concern from academia, industry, politicians, and the general public. This concern has driven global action that presents a unique oppor... Read More about It's the product not the polymer: Rethinking plastic pollution.

Towards the Continuous Hydrothermal Synthesis of ZnO@Mg2Al-CO3 Core-Shell Composite Nanomaterials (2020)
Journal Article
Clark, I., Smith, J., Gomes, R. L., & Lester, E. (2020). Towards the Continuous Hydrothermal Synthesis of ZnO@Mg2Al-CO3 Core-Shell Composite Nanomaterials. Nanomaterials, 10(10), Article 2052. https://doi.org/10.3390/nano10102052

Core-shell Zinc Oxide/Layered Double Hydroxide (ZnO@LDH) composite nanomaterials have been produced by a one-step continuous hydrothermal synthesis process, in an attempt to further enhance the application potential of layered double hydroxide (LDH)... Read More about Towards the Continuous Hydrothermal Synthesis of ZnO@Mg2Al-CO3 Core-Shell Composite Nanomaterials.

Top-Down Characterization of an Antimicrobial Sanitizer, Leading From Quenchers of Efficacy to Mode of Action (2020)
Journal Article
Wohlgemuth, F., Gomes, R. L., Singleton, I., Rawson, F. J., & Avery, S. V. (2020). Top-Down Characterization of an Antimicrobial Sanitizer, Leading From Quenchers of Efficacy to Mode of Action. Frontiers in Microbiology, 11, Article 575157. https://doi.org/10.3389/fmicb.2020.575157

© Copyright © 2020 Wohlgemuth, Gomes, Singleton, Rawson and Avery. We developed a top-down strategy to characterize an antimicrobial, oxidizing sanitizer, which has diverse proposed applications including surface-sanitization of fresh foods, and with... Read More about Top-Down Characterization of an Antimicrobial Sanitizer, Leading From Quenchers of Efficacy to Mode of Action.

Challenges and considerations of applying nature-based solutions in low- and middle-income countries in Southeast and East Asia (2020)
Journal Article
Lechner, A. M., Gomes, R. L., Rodrigues, L., Ashfold, M. J., Selvam, S. B., Wong, E. P., …Gibbins, C. (2020). Challenges and considerations of applying nature-based solutions in low- and middle-income countries in Southeast and East Asia. Blue-Green Systems, 2(1), 331-351. https://doi.org/10.2166/bgs.2020.014

Low- and middle-income countries in Southeast and East Asia face a range of challenges related to the rapid pace of urbanisation in the region, the scale of pollution, climate change, loss of ecosystem services and associated difficulties for ecologi... Read More about Challenges and considerations of applying nature-based solutions in low- and middle-income countries in Southeast and East Asia.

Modelling Emerging Pollutants in Wastewater Treatment: A Case Study using the Pharmaceutical 17α−ethinylestradiol (2019)
Journal Article
Acheampong, E., Dryden, I. L., Wattis, J. A., Twycross, J., Scrimshaw, M. D., & Gomes, R. L. (2019). Modelling Emerging Pollutants in Wastewater Treatment: A Case Study using the Pharmaceutical 17α−ethinylestradiol. Computers and Chemical Engineering, 128, 477-487. https://doi.org/10.1016/j.compchemeng.2019.06.020

Mathematical modelling can play a key role in understanding as well as quantifying uncertainties surrounding the presence and fate of emerging pollutants in wastewater treatment processes (WWTPs). This paper presents for the first time a simplified e... Read More about Modelling Emerging Pollutants in Wastewater Treatment: A Case Study using the Pharmaceutical 17α−ethinylestradiol.

Continuous Synthesis of Zn2Al-CO3 Layered Double Hydroxides for the Adsorption of Reactive Dyes from Water (2019)
Journal Article
Clark, I., Smith, J., Gomes, R. L., & Lester, E. (2019). Continuous Synthesis of Zn2Al-CO3 Layered Double Hydroxides for the Adsorption of Reactive Dyes from Water. Journal of Environmental Chemical Engineering, 7(3), Article 103175. https://doi.org/10.1016/j.jece.2019.103175

A novel pilot scale approach to continuous synthesis of layered double hydroxides (LDHs) was used to produce Zn2Al-CO3. The Zn2Al-CO3 was calcined and used in the adsorption of Reactive Black 5 (RB5) and Reactive Orange 16 (RO16) from water. The spec... Read More about Continuous Synthesis of Zn2Al-CO3 Layered Double Hydroxides for the Adsorption of Reactive Dyes from Water.

A techno-economic assessment of the potential for combining supercritical water oxidation with ‘in-situ’ hydrothermal synthesis of nanocatalysts using a counter current mixing reactor (2018)
Journal Article
Al-Atta, A., Huddle, T., Rodríguez, Y. G., Mato, F., García-Serna, J., Cocero, M. J., …Lester, E. (2018). A techno-economic assessment of the potential for combining supercritical water oxidation with ‘in-situ’ hydrothermal synthesis of nanocatalysts using a counter current mixing reactor. Chemical Engineering Journal, 344, 431-440. https://doi.org/10.1016/j.cej.2018.03.058

A combined process of supercritical water oxidation (SCWO) and supercritical water hydrothermal synthesis (SCWHS) in a continuous counter current reactor is reported. Acrylic acid was used as a model unsaturated carboxylic acid compound and the effec... Read More about A techno-economic assessment of the potential for combining supercritical water oxidation with ‘in-situ’ hydrothermal synthesis of nanocatalysts using a counter current mixing reactor.

Techno-economic assessment of scale-up of bio-flocculant extraction and production by using okra as biomass feedstock (2018)
Journal Article
Lee, C. S., Chong, M. F., Binner, E., Gomes, R. L., & Robinson, J. P. (2018). Techno-economic assessment of scale-up of bio-flocculant extraction and production by using okra as biomass feedstock. Chemical Engineering Research and Design, 132, https://doi.org/10.1016/j.cherd.2018.01.050

This paper reports a techno-economic assessment for industrial scale bio-flocculant production with okra as biomass feedstock. The sludge dewatering ability of the bio-flocculant was evaluated prior to economic analysis. Several optimisation strategi... Read More about Techno-economic assessment of scale-up of bio-flocculant extraction and production by using okra as biomass feedstock.

Enhancing natural product extraction and mass transfer using selective microwave heating (2016)
Journal Article
Lee, C. S., Binner, E., Winkworth-Smith, C., John, R., Gomes, R., & Robinson, J. (2016). Enhancing natural product extraction and mass transfer using selective microwave heating. Chemical Engineering Science, 149, https://doi.org/10.1016/j.ces.2016.04.031

This study uses a combination of empirical observations and an analysis of mass transfer behaviour to yield new insights into the mechanism of microwave assisted extraction. Enhancements in extraction rate and yield were observed experimentally compa... Read More about Enhancing natural product extraction and mass transfer using selective microwave heating.

Comparison of response surface methodology (RSM) and artificial neural networks (ANN) towards efficient extraction of artemisinin from Artemisia annua (2014)
Journal Article

The solid-liquid extraction of Artemisia annua remains an important source of artemisinin, the precursor molecule to the most potent anti-malarial drugs available. Industrial manufacturers of artemisinin face many challenges in regards to volatile ma... Read More about Comparison of response surface methodology (RSM) and artificial neural networks (ANN) towards efficient extraction of artemisinin from Artemisia annua.

Role of H2O2 in the fluctuating patterns of COD (chemical oxygen demand) during the treatment of palm oil mill effluent (POME) using pilot scale triple frequency ultrasound cavitation reactor (2014)
Journal Article

Palm oil mill effluent (POME) is a highly contaminating wastewater due to its high chemical oxygen demand (COD) and biochemical oxygen demand (BOD). Conventional treatment methods require longer residence time (10–15 days) and higher operating cost.... Read More about Role of H2O2 in the fluctuating patterns of COD (chemical oxygen demand) during the treatment of palm oil mill effluent (POME) using pilot scale triple frequency ultrasound cavitation reactor.

The impact of impurities in various crude A. annua extracts on the analysis of artemisinin by liquid chromatographic methods (2012)
Journal Article
Pilkington, J. L., Preston, C., & Gomes, R. L. (2012). The impact of impurities in various crude A. annua extracts on the analysis of artemisinin by liquid chromatographic methods. Journal of Pharmaceutical and Biomedical Analysis, 70, 136-142. https://doi.org/10.1016/j.jpba.2012.06.015

Analysis of Artemisia annua extracts by liquid chromatographic methods has traditionally been complicated by the presence of significant quantities of impurities. It has been observed that these impurities often remain as a solid residue after sample... Read More about The impact of impurities in various crude A. annua extracts on the analysis of artemisinin by liquid chromatographic methods.

The fate of steroid estrogens: Partitioning during wastewater treatment and onto river sediments (2010)
Journal Article
Gomes, R. L., Scrimshaw, M. D., Cartmell, E., & Lester, J. N. (2010). The fate of steroid estrogens: Partitioning during wastewater treatment and onto river sediments. Environmental Monitoring and Assessment, 175, 431–441. https://doi.org/10.1007/s10661-010-1541-1

The partitioning of steroid estrogens in wastewater treatment and receiving waters is likely to influence their discharge to, and persistence in, the environment. This study investigated the partitioning behaviour of steroid estrogens in both laborat... Read More about The fate of steroid estrogens: Partitioning during wastewater treatment and onto river sediments.

Fate of conjugated natural and synthetic steroid estrogens in crude sewage and activated sludge batch studies (2009)
Journal Article
Gomes, R. L., Scrimshaw, M. D., & Lester, J. N. (2009). Fate of conjugated natural and synthetic steroid estrogens in crude sewage and activated sludge batch studies. Environmental Science and Technology, 43(10), 3612–3618. https://doi.org/10.1021/es801952h

Steroids are excreted from the human body in the conjugated form but are present in sewage influent and effluent as the free steroid, the major source of estrogenic activity observed in water courses. The fate of sulfate and glucuronide conjugated st... Read More about Fate of conjugated natural and synthetic steroid estrogens in crude sewage and activated sludge batch studies.

Simultaneous determination of natural and synthetic steroid estrogens and their conjugates in aqueous matrices by liquid chromatography/mass spectrometry (2005)
Journal Article
Gomes, R. L., Birkett, J. W., Scrimshaw, M. D., & Lester, J. N. (2005). Simultaneous determination of natural and synthetic steroid estrogens and their conjugates in aqueous matrices by liquid chromatography/mass spectrometry. International Journal of Environmental Analytical Chemistry, 85(1), 1-14. https://doi.org/10.1080/03067310512331324745

An analytical method for the simultaneous determination of nine free and conjugated steroid estrogens was developed with application to environmental aqueous matrices. Solid-phase extraction (SPE) was employed for isolation and concentration, with de... Read More about Simultaneous determination of natural and synthetic steroid estrogens and their conjugates in aqueous matrices by liquid chromatography/mass spectrometry.

Steroid-estrogen determination in sediment and sewage sludge: A critique of sample preparation and chromatographic/mass spectrometry considerations, incorporating a case study in method development (2004)
Journal Article
Gomes, R. L., Avcioglu, E., Scrimshaw, M. D., & Lester, J. N. (2004). Steroid-estrogen determination in sediment and sewage sludge: A critique of sample preparation and chromatographic/mass spectrometry considerations, incorporating a case study in method development. Trends in Analytical Chemistry, 23(10-11), 737-744. https://doi.org/10.1016/j.trac.2004.08.006

An assessment of the bioaccumulation of estrone in Daphnia magna (2004)
Journal Article
Gomes, R. L., Deacon, H. E., Lai, K. M., Birkett, J. W., Scrimshaw, M. D., & Lester, J. N. (2004). An assessment of the bioaccumulation of estrone in Daphnia magna. Environmental Toxicology and Chemistry, 23(1), 105-108. https://doi.org/10.1897/02-613

The bioaccumulation of estrone by Daphnia magna was determined. Direct uptake via the aqueous medium occurred within the first 16 h. A bioconcentration factor of 228 was established over all temporal periods. Ingestion via Chlorella vulgaris gave a p... Read More about An assessment of the bioaccumulation of estrone in Daphnia magna.