Recent advances in removal of lignin from paper industry
Electrocoagulation treatment system considers as a potential electrochemical technique for the treatment of pollutants in paper and pulp industry wastewater (Lewis et al., 2013). Ugurlu et al. (2008) reported that using aluminum (Al) electrodes show higher efficiency for BOD, phenol and lignin removal in paper and pulp industry effluent.
Pulp and paper mills generate large amounts of waste organic matter that may be converted to renewable energy in form of methane. The anaerobic treatment of mill wastewater is widely accepted
Treatment of wastewater effluents from paper-recycling
In the present study, a coagulation process was used to treat paper-recycling wastewater with alum coupled with poly aluminum chloride (PACl) as coagulants. The effect of each four factors, viz. the dosages of alum and PACl, pH and chemical oxygen demand (COD), on the treatment efficiency was investigated. The influence of these four parameters was described using response surface methodology
It is important to point out that treatment of wastewater generated at pulp and paper mills is the main source of wastewater treatment sludge and deinking sludge. For instance, Balwaik and Raut reported that more than 300 kg of sludge is produced for each ton of recycled paper. However, the amount of waste generated varies greatly in different
Treatment of paper mill effluents in a batch-stirred
Electrochemical treatment of organic pollutants is a promising treatment technique for substances which are resistant to biodegradation. In this study an electrochemical treatment based on the principle of anodic oxidation was used to treat paper mill effluent from Rakta's Pulp and Paper Company where rice straw is used to produce paper pulp.
Treatment of wastewater from paper and pulp industry considering two strategies: water without reuse (open cycle) or zero waste system (closed cyrcle). Condorchem Envitech offers comprehensive industrial wastewater and industrial air emissions treatment solutions.
Use of ozone and/or UV in the treatment of effluents
2. Experimental. Wastewaters employed in the experiments were obtained from a board paper industry found in the East of Spain. Three different samples were taken corresponding to different degrees of closure of the circuits: (a) completely open circuits (COD ca. 4000 mg l −1), (b) around 95% of re-circulation of the effluent (COD ca. 7000 mg l −1) and (c) nearly closed circuits, with a
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- What is polyacrylamide (PAM)?
- Polyacrylamide (PAM) is a synthetic polymer of long-chain acrylamide subunits, high molecular weight (1000 to 20 × 10 6 g/mol), and a wide range degree of hydrolysis (Abidin et al., 2012; Joshi & Abed, 2017 ).
- Can polyacrylamide contribute to residual polymer formation?
- Common methods for treating PAM are membrane filtration 25, thermal distillation 24, oxidation treatment 26, and biological treatments 27. However, addressing the challenge posed by PAM remains a pressing issue within the industry. Fig. 1: Polyacrylamide and its fragments may contribute to residual polymer formation.
- Can polyacrylamide improve hydrocarbon production efficiency?
- npj Materials Sustainability 2, Article number: 15 (2025) Cite this article Polyacrylamide (PAM) and its derivatives play a pivotal role in various facets of hydrocarbon development. Proper application and treatment of PAM have the potential to enhance hydrocarbon production efficiency while mitigating adverse environmental effects.
- Does anionic polyacrylamide improve coagulation-flocculation process?
- Aguilar, M. I. et al. Improvement of coagulation-flocculation process using anionic polyacrylamide as coagulant aid. Chemosphere 58, 47–56 (2005). Muller, G., Fenyo, J. C. & Selegny, E. High molecular weight hydrolyzed polyacrylamides.
