International Journal of Chemical Engineering, 2019 The wastewater from industrial laundries has a high quantity of contaminants from the washing process, as well as chemical additives. Aiming at the treatment of this type of wastewater, the present study evaluated the performance of a combined ...
Camila O. C. Nascimento +4 more
doaj +2 more sources
Improved Fire Retardancy of Cellulose Fibres via Deposition of Nitrogen-Modified Biopolyphenols. [PDF]
Molecules, 2022 Driven by concerns over the health and environmental impacts of currently used fire retardants (FRs), recent years have seen strong demand for alternative safer and sustainable bio-based FRs. In this paper, we evaluated the potential of nitrogen-modified
Pöhler T, Widsten P, Hakkarainen T.
europepmc +3 more sources
Uso de coagulantes naturais à base de moringa oleifera e tanino como auxiliares da filtração em geotêxtil sintético não tecido [PDF]
Engenharia Agrícola, 2014 Coagulantes naturais como Moringa oleifera e tanino podem ser usados em sistema de tratamento de água, com a finalidade da remoção de turbidez. Em testes de laboratório, simulou-se uma água bruta com turbidez na faixa de 101 a 110 NTU, que foi tratada ...
Camila C. Arantes +4 more
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UTILIZAÇÃO DO TANFLOC SG COMO AUXILIAR DE COAGULAÇÃO DO POLICLORETO DE ALUMÍNIO NO TRATAMENTO DE ÁGUA BRUTA DO RIO SANTO ANASTÁCIO [PDF]
Colloquium Exactarum, 2019 O tratamento de água é necessário para remover substâncias que podem trazer danos à saúde da população. Nas estações de tratamento de ciclo completo, são usados na clarificação os coagulantes químicos, geralmente com a presença de sais de alumínio e ...
Rafael Henrique Garcez Nicolau +3 more
doaj +4 more sources
The Use of Flocculation as a Preconcentration Step in the Microalgae Harvesting Process. [PDF]
Physiol PlantABSTRACT Flocculation is a widely utilized separation technique in colloid chemistry, the chemical industry, and wastewater treatment. However, its application in microalgal biomass production and downstream processing remains limited. Biomass harvesting represents a significant cost factor in large‐scale microalgae production, with the separation of ...
Gojkovic Z +3 more
europepmc +2 more sources
Étude d'un coagulant organique naturel pour le traitement des eaux potable et usées : le Tanfloc [PDF]
, 2017 Le Tanfloc est un coagulant organique naturel à base d’extrait de tanin. Ce produit est issu du métabolisme de certaines plantes, dont l’Acacia mearnsii, qui est utilisé pour sa production. Selon certaines études, le Tanfloc présenterait des performances d'abattement de la matière organique dissoute comparables à celles de l’alun dans le traitement des
Aouba, Nora
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Optimization of Microalgal Harvesting with Inorganic and Organic Flocculants Using Factorial Design of Experiments [PDF]
, 2022 Microalgae have a lot of potential as a source of several compounds of interest to various industries. However, developing a sustainable and efficient harvesting process on a large scale is still a major challenge. This is particularly a problem when the
Esteves, AF, Machado, CA, Pires, JCM
core +1 more source
Effects of microalgal concentration and pH with flocculant on microfiltration [PDF]
Chemical Industry and Chemical Engineering Quarterly, 2023 To make algal biomass a suitable feedstock for fuel and bioproducts, a practical way of dewatering and concentrating algal cells must be devised. In this study, a system comprising microfiltration membranes combined with a flocculant was developed on a ...
Mendes Ana Luiza +5 more
doaj +1 more source
LbL Nano-Assemblies: A Versatile Tool for Biomedical and Healthcare Applications. [PDF]
Nanomaterials (Basel), 2022 Polyelectrolytes (PEs) have been the aim of many research studies over the past years. PE films are prepared by the simple and versatile layer-by-layer (LbL) approach using alternating assemblies of polymer pairs involving a polyanion and a polycation ...
Díez-Pascual AM, Rahdar A.
europepmc +3 more sources
Purifying water with plant-based sustainable solutions : tannin coagulants and sorbents [PDF]
, 2023 More and more efforts are being made to find efficient bio-based water and wastewater treatment products. Especially the use of tannin-based materials has become more prevalent in recent years due to the wide availability of sustainable tannin sources ...
Leiviskä, Tiina, Santos, Sílvia C. R.
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