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- Publications
- Influence
Compost and vermicompost as nursery pot components: effects on tomato plant growth and morphology
- C. Lazcano, J. Arnold, A. Tato, J. Zaller, J. Domínguez
- Biology
- 1 December 2009
Post transplant success after nursery stage is strongly influenced by plant morphology. Cultural practices strongly shape plant morphology, and substrate choice is one of the most determining… Expand
Evaluation of Anionic and Cationic Pulp-Based Flocculants With Diverse Lignin Contents for Application in Effluent Treatment From the Textile Industry: Flocculation Monitoring
- Kinga Grenda, J. Gamelas, J. Arnold, O. Cayre, M. Rasteiro
- Chemistry, Medicine
- Frontiers in Chemistry
- 30 January 2020
In wastewater treatment, flocculation is a widely used solid/liquid separation technique, which typically employs a charged polymer, a polyelectrolyte (PEL). Polyelectrolytes features, such as charge… Expand
Cationization of Eucalyptus wood waste pulps with diverse lignin contents for potential application in colored wastewater treatment
- Kinga Grenda, J. Gamelas, J. Arnold, O. Cayre, M. Rasteiro
- Chemistry
- 28 October 2019
Modification of cellulosic-rich materials such as Eucalyptus wood waste and production of cellulose-based polyelectrolytes (PELs) presents several advantages for a variety of applications, when… Expand
Environmentally friendly cellulose-based polyelectrolytes in wastewater treatment.
- Kinga Grenda, J. Arnold, J. Gamelas, M. G. Rasteiro
- Chemistry, Medicine
- Water science and technology : a journal of the…
- 27 September 2017
Natural-based polyelectrolytes (PELs), with all the advantages coming from being produced from renewable and biodegradable sources, are a potential solution for the removal of dyes from wastewater.… Expand
Tannin-based Coagulants from Laboratory to Pilot Plant Scales for Coloured Wastewater Treatment
- Kinga Grenda, J. Arnold, D. Hunkeler, J. Gamelas, M. G. Rasteiro
- Chemistry
- 22 February 2018
Bark tannin extract from Acacia mearnsii (Mimosa ME) was modified at laboratory and pilot plant scales via the Mannich condensation reaction using formaldehyde and dimethylamine hydrochloride.… Expand
Up-scaling of tannin-based coagulants for wastewater treatment: performance in a water treatment plant
- Kinga Grenda, J. Arnold, J. Gamelas, M. G. Rasteiro
- Chemistry, Medicine
- Environmental Science and Pollution Research
- 21 June 2018
Tannin extracts from the bark of Acacia mearnsii and wood of Schinopsis balansae , commonly known as Quebracho , were employed. These were modified at laboratory sale via the Mannich aminomethylation… Expand
Flocculation of silica nanoparticles by natural, wood-based polyelectrolytes
- Kinga Grenda, J. Arnold, J. Gamelas, O. Cayre, M. Rasteiro
- Chemistry
- 16 January 2020
Abstract Wood-based polyelectrolytes, produced from renewable and biodegradable sources, can be considered as more environmentally friendly flocculation agents for the wastewater treatment compared… Expand
Data-Driven Modelling of the Complex Interaction between Flocculant Properties and Floc Size and Structure
- Anita Lourenço, M. Reis, J. Arnold, M. G. Rasteiro
- Materials Science
- 19 March 2020
Polymeric flocculants are widely used due to their ability to efficiently promote flocculation at low dosages. However, fundamental background knowledge about how they act and interact with the… Expand
Pyrolysis of dimethylhydrazine and its co-pyrolysis with triethylgallium
- E. Bourret-Courchesne, Q. Ye, +6 authors S. Rushworth
- Chemistry
- 11 July 2000
Abstract Dimethylhydrazine is a potential nitrogen precursor for organometallic vapor-phase epitaxy of GaN-based ternaries and quaternaries at relatively low temperatures. We have measured the vapor… Expand
Flocculation treatment of an industrial effluent: performance assessment by Laser Diffraction Spectroscopy
- Anita Lourenço, J. Arnold, O. Cayre, M. G. Rasteiro
- Materials Science
- 31 January 2018
Flocculation processes are extensively used as separation method to remove suspended and dissolved solids, colloids and organic substances in effluents. As flocculation performance affects the… Expand