Anionic polyacrylamide efficiency in goethite removal
The main aim of the study was to investigate the anionic polyacrylamide (PAM) efficiency as a flocculant relative to goethite particles. This mineral is a toxic waste produced during hydrometallurgical processes and, as a result, poses a threat to the environment. In the experiments, the following analytical methods were applied: potentiometric titration, zeta potential and adsorption amount
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Interaction effects of polyacrylamide application
Even though the high PAM application rate increases PAM adsorption on K + and NH 4 +, its effect is smaller than that of runoff volume variation in this case. Another possible reason is the PAM effect on K + and NH 4 + adsorption was weakened after suffering initial rainfall because more soil was eroded and lost with runoff under the high PAM
Polyacrylamide (PAM) is a water-soluble polymer that is widely used as a flocculant in sewage treatment. The efficiency of PAM degradation was 31.1% in 7 days and exceeded 45% under optimum
Degradation of high molecular weight polyacrylamide
High molecular weight PAM can be degrade by S 2 O 8 2− high efficiently at alkaline pH.. Oxidation efficiency was highly temperature-dependent. • SO 4 •-play more important role than HO • in OH − /S 2 O 8 2− system.. Pathway included backbone association, side chain detachment and decarboxylation.
We offers 684 pam resin products. About 75% of these are polymer, 1% are water treatment, and 1% are adhesives & sealants. A wide variety of pam resin options are available to you, such as synthetic resin and plastics, synthetic fibers, and synthetic rubbers.
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Modelling the diffusion and operation of anaerobic digestions in Great Britain under future scenarios within the scope of water-energy-food nexus Abdel-Aal, M., Haltas, I. & Varga, L., 20 Apr 2025, In : Journal of Cleaner Production. 253, 17 p., 119897. Research output: Contribution to journal › Article
CN107709512A - The method for preparing acrylamide-acrylic
Describe a kind of method that acrylamide-acrylic acid copolymer is prepared in Water-In-Oil latex.Methods described produces the carboxylate function with random distribution and suitable for the copolymer of ionomer.The homologue of the copolymer and its ionomer can be used for improving oil recovery technique.
Full Article. Wastewater Treatment and Reclamation: A Review of Pulp and Paper Industry Practices and Opportunities. Martin A. Hubbe,*,a Jeremy R. Metts, a,b Daphne Hermosilla, c M. Angeles Blanco, d Laleh Yerushalmi, e Fariborz Haghighat, e Petra Lindholm-Lehto, f Zahra Khodaparast, g Mohammadreza Kamali, h and Allan Elliott i The pulp and paper (P&P) industry worldwide has achieved
Viability of Ascaris suum eggs in stored - Cambridge Core
Viability of Ascaris suum eggs in stored raw and separated liquid slurry - Volume 140 Issue 3 - KIRAN KUMAR KATAKAM, ALLAN ROEPSTORFF, OLGA POPOVIC, NIELS C. KYVSGAARD, STIG MILAN THAMSBORG, ANDERS DALSGAARD
Table 1 shows positive samples in culture, and then in culture and RT-PCR on total samples per sampling site (in %). The two samples of the pre-test are not included in the Table 1.The Kruskal–wallis demonstrates that mean of physical–chemical parameters significantly differ by sampling site (P < 0.0001).Furthermore, the Student test (α = 0.05) shows that the concentrations values vary
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