Results 31 to 40 of about 280 (137)

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, Túlio A. P. Ribeiro, José E. S. Paterniani, Marina S. S. Tateoka, Gabriela K. E Silva   +4 more
doaj   +1 more source

A tannin-based agent for coagulation and flocculation of municipal wastewater: chemical composition, performance assessment compared to Polyaluminum chloride, and application in a pilot plant [PDF]

, 2016
Chemical composition and flocculation efficiency were investigated for a commercially produced tannin – based coagulant and flocculant (Tanfloc). The results of Fourier Transform Infrared Spectroscopy (FTIR) and Energy Dispersive Spectroscopy (EDX ...
Hameed, Yasir Talib, Idris, Azni, Hussain, Siti Aslina, Abdullah, Norhafizah   +3 more
core   +1 more source

AVALIAÇÃO DA EFICIÊNCIA DE DIFERENTES AGENTES COAGULANTES NA REMOÇÃO DE COR E TURBIDEZ EM EFLUENTE DE GALVANOPLASTIA

Eclética Química, 2018
In this work it was evaluated the efficiency of different coagulants agents in the process of coagulation/flocculation in the treatment of effluent from an electroplating industry.
Luiz Gustavo de Lima Vaz, Márcia Regina Fagundes Klen, Márcia Teresinha Veit, Edson Antonio da Silva, Tatiany Aparecida Barbiero, Rosângela Bergamasco   +5 more
doaj   +1 more source

Performance evaluation of natural coagulant tanfloc and aluminium sulfate to harvest microalgae biomass grown in wastewater

, 2021
Coagulantes a base de tanino, tal como o Tanfloc, apresentam potencial para separar biomassa de microalgas cultivas em estações de tratamento de esgoto.
Teixeira, Mariana Souza
core  

Coagulation/Flocculation of Slaughterhouse Effluent Using Pac and Tanfloc as Coagulants

Revista de Gestão Social e Ambiental
Objective: In this context, this research aimed to evaluate the influence of different types of coagulants, one inorganic and one natural (PAC and Tanfloc), in the treatment of an effluent from a pig slaughterhouse.   Method/design/approach: Both coagulants were prepared in aqueous solution at the time of the test, 1% (v/v) for PAC and 0.5% (m/v) for
Talita Werberich De Medeiros, Aline de Oliveira Koelln, Karoline Carvalho Dornelas, Adriana Garcia Do Amaral, Roselene Maria Schneider, Milene Carvalho Bongiovani   +5 more
openaire   +1 more source

Physicochemical vs Electrochemical Technologies for Metal Recovery – Main Insights, Comparison, Complementarity and Challenges

Chemistry–Methods, Volume 5, Issue 3, March 2025.
Different electrochemical and physicochemical methods employed for metal recovery and removal from various sources are presented herein, along with their key performance indicators. The main strengths and weaknesses of each technology are discussed in a comparative manner, when possible.
Stefanos Mourdikoudis, Xochitl Dominguez‐Benetton   +1 more
wiley   +1 more source

Influence of electrical polarization on thrombogenicity of titania nanotubes

International Journal of Ceramic Engineering &Science, Volume 6, Issue 3, May 2024.
Abstract The development of hemocompatible biomaterials with antithrombogenic surface coatings remains a challenge in cardiovascular applications. There is interest in negatively charged surfaces that inhibit thrombus formation through electrostatic repulsion between the biomaterial surface and negatively charged platelets.
Jyorthana Rajappa Muralidhar, Kabilan Sakthivel, Madanagurusamy Sridharan, Masanori Kikuchi   +3 more
wiley   +1 more source

Evaluation of ZnO Catalyst Supported on Zeolite NaA in the Photocatalytic Degradation of Vinasse Pretreated by Coagulation/Flocculation

Chemical Engineering Transactions, 2013
The research for a proper disposal of vinasse is a serious concern for countries that produce ethanol from sugar cane such as Brazil. The wastewater of its production process is generated with an extremely hightoxic load.
R.P. Souza, A.M. Ferrari-Lima, F. Lini Seixas, V. Batistela, S. Favaro, N. Hioka, N.R.C. Fernandes-Machado   +6 more
doaj   +1 more source

Evaluación de la eficiencia de un sistema de tratamiento de aguas residuales de una lavandería a nivel de laboratorio usando como coagulante - floculante polímeros orgánicos [PDF]

, 2021
Universidad Nacional Agraria La Molina. Facultad de Ciencias. Departamento Académico de Ingeniería Ambiental, Física y MeteorologíaEl objetivo del estudio fue evaluar la eficiencia de un sistema de tratamiento de aguas residuales de una lavandería a ...
Quispe Mendoza, Eylen Melody
core  

A Comparison between Coagulation and Ultrafiltration Processes for Biodiesel Wastewater Treatment

Chemical Engineering Transactions, 2017
The progressive increasing on biodiesel production has been generating a large amount of wastewater due to the biodiesel purification process. The present work aims to develop and evaluate different processes to improve the quality of biodiesel ...
R. Delcolle, M.L. Gimenes, C. Fortulan, W. Moreira, N. Martins, N. Pereira   +5 more
doaj   +1 more source