Ultrafiltration/complexation process for metal removal from pulp and paper industry wastewater

Tavares, C. R. G.; Vieira, Marcelo Fernandes; Petrus, José Carlos Cunha; Bortoletto, Edmilson César; Ceravollo, F.

doi:10.1016/s0011-9164(02)00325-9

Cited by 59 publications

(31 citation statements)

References 8 publications

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“…However, the COD removal started to decrease with increasing molecular weights (PDM03 to PDM02). In accordance with the results obtained by Tavares [31], the increase of COD removal from PDM 01 to PDM02 is related to the increase of lignin removal from the wastewater. Decreasing levels of lignin in wastewater reduces oxidation, thus increasing COD removal.…”

Section: Effect On Total Suspended Solidssupporting

confidence: 91%

Treatment of Pulp and Paper Mill Wastewater with Various Molecular Weight of PolyDADMAC Induced Flocculation with Polyacrylamide in the Hybrid System

Razali¹,

Ahmad²,

Ariffin³

2012

ACES

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Flocculation studies between dual polymers on pulp and paper mill wastewater are reported in this paper. The effects of different molecular weights of polyDADMAC and different dosages of Polyacrylamide (PAM) were studied. The molecular weights of polyDADMAC used were 8.8 × 10 4 , 10.5 × 10 4 and 15.7 × 10 4 g/mol. The flocculation performance was analyzed in jar tests with PolyDADMAC and Polyacrylamide dosages ranging from 0.4 -2.0 mg·L −1 and 0.4 -8.0 mg·L −1 respectively. A higher molecular weight and a 6.0 mg·L −1 dosagepolyDADMAC gave the highest level of flocculation based on turbidity and TSS removal. In addition, increasing the molecular weight of PolyDADMAC increased ζ potential values approaching zero. This indicated that polyDADMAC acts as a destabilizer. Based on TSS, the addition of PAM will improve the size of microflocs created by polyDADMAC. It demonstrates that PAM acts as a bridger between microflocs.

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Section: Effect On Total Suspended Solidssupporting

confidence: 91%

Treatment of Pulp and Paper Mill Wastewater with Various Molecular Weight of PolyDADMAC Induced Flocculation with Polyacrylamide in the Hybrid System

Razali¹,

Ahmad²,

Ariffin³

2012

ACES

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“…One of the key considerations is to employ a membrane having sufficiently fine pore distribution to exclude the passage of biological cells and viruses. The following studies have employed ultrafiltration to separate clarified water from the solids in P&P mill process waters or effluent (Minami et al 1991;Zaidi et al 1992;Ragona and Hall 1998;Huuhilo et al 2002;Tavares et al 2002;Komesvarakul et al 2003;Nuortila-Jokinen et al 2004;Mänttäri et al 2008;Ordonez et al 2010;Puro et al 2010;Gönder et al 2011Gönder et al , 2012Simonič and Vnučec 2012;Singh et al 2012;Quezada et al 2014). Notably, Tavares et al (2002) were able to demonstrate the removal of metals from such effluent.…”

Section: Membrane Filtrationmentioning

confidence: 99%

“…Membrane systems have been used by some P&P facilities to meet government regulations regarding effluent discharge. The Irving Pulp and Paper in New Brunswick, which is a 950 t/d facility, has been in operation for 15 years without the need for a biological wastewater treatment system (Hodgson et al 1998) due to membrane usage.Some of the most commonly mentioned types of membrane filtration are indicated in Table 1 Tavares et al 2002;Gönder et al 2011Gönder et al , 2012 Nanofiltration, dialysis 1 to 5 nm Ahn et al 1998;Lastra et al 2004;Kaya et al 2010 Reverse osmosis < 1 nm Sierka et al 1997;Khosravi et al 2011;Ordóñez et al 2011 Starting from the top of Table 1, the coarsest membranes, i.e. microfiltration membranes, appear to have been mainly considered as pre-filtration membranes upstream of membranes having finer pores for wastewater applications (Le-Clech et al 2006).…”

mentioning

confidence: 99%

Wastewater Treatment and Reclamation: A Review of Pulp and Paper Industry Practices and Opportunities

Hubbe

Metts

Hermosilla

et al. 2016

BioRes

183

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The pulp and paper (P&P) industry worldwide has achieved substantial progress in treating both process water and wastewater, thus limiting the discharge of pollutants to receiving waters. This review covers a variety of wastewater treatment methods, which provide P&P companies with costeffective ways to limit the release of biological or chemical oxygen demand, toxicity, solids, color, and other indicators of pollutant load. Conventional wastewater treatment systems, often comprising primary clarification followed by activated sludge processes, have been widely implemented in the P&P industry. Higher levels of pollutant removal can be achieved by supplementary treatments, which can include anaerobic biological stages, advanced oxidation processes, bioreactors, and membrane filtration technologies. Improvements in the performance of wastewater treatment operations often can be achieved by effective measurement technologies and by strategic addition of agents including coagulants, flocculants, filter aids, and optimized fungal or bacterial cultures. In addition, P&P mills can implement upstream process changes, including dissolved-air-flotation (DAF) systems, filtration save-alls, and kidney-like operations to purify process waters, thus reducing the load of pollutants and the volume of effluent being discharged to end-of-pipe wastewater treatment plants. Keywords: Wastewater treatment; Pulp and paper manufacturing; Advanced oxidation; Membrane technologies; Clarification; Activated sludgeContact information: a: North Carolina State University, Dept. of Forest Biomaterials, Campus Box 8005, Raleigh, NC 29695-8005; b: WestRock Company, Water and Waste Treatment, 600 S 8th St, Fernandina Beach, FL 32034; c: Department of Agricultural and Forestry Engineering, University of Valladolid, Campus Duques de Soria, E-42004 Soria, Spain; d: Complutense University of Madrid, Department of Chemical Engineering, Ingn. Quim, Facultad de Ciencias Químicas, Ciudad Universitaria s/n,S-N, E-28040 Madrid, Spain; e: Concordia University, Dept. Bldg. Civil & Environm. Engn., 1455 Maisonneuve Blvd, West Montreal, PQ H3G 1M8, Canada; f: University of Jyväskylä, Dept. Chem., Box 35, FI-40014 Jyväskylä, Finland; g: Department of Biology, Center for Environmental and Marine Studies, CESAM, University of Aveiro, 3810-193 Aveiro, Portugal; h: Department of Environment and Planning, Center for Environmental and Marine Studies, CESAM, Aveiro & Department of Materials and Ceramics, Institute of Materials, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal; i: FPInnovations, 570 St. Jean Blvd., Pointe Claire, PQ H9R 3J9, Canada; * Corresponding author: hubbe@ncsu.edu Contents of the Article INTRODUCTIONThe pulp and paper (P&P) industry occupies a challenging position with respect to the natural environment. On the positive side, the industry is based on the usage of renewable, photosynthetic resources. On the other hand, the industry discharges huge quantities of aqueous effluents. Large volumes (up to 70 m 3 ) of wastewater ...

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“…evaporation (Dahl 1999), membrane processes (Tavares et al 2002), adsorption, ion-exchange, coagulation and flocculation (Brown et al 1999). Coagulation and flocculation are the most used physical wastewater treatment methods (Rodrigues et al 2008).…”

Section: Physical Treatmentmentioning

confidence: 99%

Refractory organic pollutants and toxicity in pulp and paper mill wastewaters

Lindholm‐Lehto

Knuutinen

Ahkola

et al. 2015

Environ Sci Pollut Res

134

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Ultrafiltration/complexation process for metal removal from pulp and paper industry wastewater

Cited by 59 publications

References 8 publications

Treatment of Pulp and Paper Mill Wastewater with Various Molecular Weight of PolyDADMAC Induced Flocculation with Polyacrylamide in the Hybrid System

Treatment of Pulp and Paper Mill Wastewater with Various Molecular Weight of PolyDADMAC Induced Flocculation with Polyacrylamide in the Hybrid System

Wastewater Treatment and Reclamation: A Review of Pulp and Paper Industry Practices and Opportunities

Refractory organic pollutants and toxicity in pulp and paper mill wastewaters

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