Monitoring of a paper mill wastewater treatment plant using UV/VIS spectroscopy

Langergraber, Günter; Fleischmann, N.; Hofstaedter, F.; Weingartner, A.

doi:10.2166/wst.2004.0004

Cited by 76 publications

(43 citation statements)

References 4 publications

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“…Measures to remove color from the effluent of P&P mills have been reviewed and reported (Bajpai and Bajpai 1994;Garg and Tripathi 2011;Garg et al 2012). Langergraber et al (2004) discussed the evaluation of color in such wastewater by instrumental methods. …”

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confidence: 99%

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

Hubbe

Metts

Hermosilla

et al. 2016

BioRes

194

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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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confidence: 99%

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

Hubbe

Metts

Hermosilla

et al. 2016

BioRes

194

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“…Los valores del espectro se encuentran entre 200 nm y 750 nm de longitud de onda, con intervalos de 2,5 nm [9]. El análisis que se presenta a continuación se realizó para las series de tiempo de espectros de absorbancia compuestas por 5705 registros en cada sitio de muestreo: (i) para PTAR-Salitre (Bogotá D.C.) del 29 de junio de 2011 a las 09:03 h al 3 de julio de 2011 a las 17:33 h (una muestra por minuto); (ii) para la Estación Elevadora de Gibraltar (EEG) del 18 de octubre de 2011 a las 11:08 h al 22 de octubre de 2011 a las 15:21 h (una muestra por minuto) y (iii) PTAR San Fernando de 24 de septiembre de 2011 a las 06:04 h a 2 de octubre de 2011 a las 9:16 h (una muestra cada dos minutos) como se observa en la Figura 1.…”

Section: Captores Uv-visunclassified

Estimación del exponente de HURST y dimensión fractal para el análisis de series de tiempo de absorbancia UV-VIS

Nossa

Angulo

Méndez

2014

Cien.Ing.Neogranadina

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<p>El objetivo de este trabajo es estimar el exponente o parámetro de Hurst y la dimensión fractal para el análisis de series de tiempo de espectrometría UV-Vis, utilizando el análisis de componentes principales PCA (<em>Principal Component Analysis</em>). El análisis se realiza para comprender si las series de tiempo de absorbancia UV-Vis son persistentes, anti-persistentes, determinísticas o si son ruido blanco. Se utilizaron tres diferentes series de tiempo de absorbancia UV-Vis para tres diferentes sitios de estudio: (i) Planta de tratamiento de aguas residuales Salitre (PTAR) en Bogotá; (ii) Estación elevadora de Gibraltar en Bogotá (EEG); y (iii) Planta de tratamiento de aguas residuales San Fernando (PTAR) en Itagüí (sur de Medellín). Cada una de las series de tiempo tiene igual número de muestras (5705). Se redujo la dimensionalidad de los espectros de absorbancia, dada su alta correlación, con PCA y se utilizó para cada sitio de estudio la primera componente principal. Esta componente principal explicó entre el 82% al 94% de la variabilidad para los tres sitios de estudio. Se determinaron los exponentes de Hurst: (i) 0.8 para PTAR Salitre; (ii) 0.85 para EEG; y (iii) 0.89 para PTAR San Fernando. A partir de los valores de los exponentes de Hurst se determinan las dimensiones fractales para las tres series de tiempo de absorbancia UV-Vis en los tres sitios de estudio y se obtiene en promedio una dimensión fractal de 1153. Las tres series de tiempo de absorbancia UV-Vis son persistentes y con alta auto-similitud, dado que el exponente de Hurst es mayor a 0.5.</p>

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“…In order to identify specific groups of compounds based on recent studies reported in the literature (Thomas et al, 1996;Çeçen, 1999;Arslan-Alaton et al, 2002;Langergraber et al, 2004;Chamorro et al, 2005;Lunidquist et al, 2007), a scan was performed of the UV-VIS spectrum between 200 and 346 nm. Çeçen (1999) proposed the use of the following wavelengths and ratios: VIS 346 for lignosulphonic acids; UV 254 for aromatic compounds; UV 280 for lignin derivatives, and the relationships VIS 346 /CODd and UV 280 /CODd.…”

Section: Physicochemical Analysismentioning

confidence: 99%

Anaerobic treatment of cellulose bleach plant wastewater: chlorinated organics and genotoxicity removal

Chaparro

Pires

2011

Braz. J. Chem. Eng.

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-This study assessed the removal efficiency of organic matter and how it relates to the decrease of toxic and mutagenic effects when an anaerobic reactor is used to treat the bleaching effluent from two kraft pulp mills. Parameters such as COD (chemical oxygen demand), DOC (dissolved organic carbon), AOX (adsorbable organic halogen), ASL (acid soluble lignin), color, chlorides, total phenols and absorbance values in the UV-VIS spectral region were measured. The acute and chronic toxicity and genetic toxicity assessments were performed with Daphnia similis, Ceriodaphnia sp. and Allium cepa L, respectively. The removal efficiency of organic matter measured as COD, ranged from 45% to 55%, while AOX removal ranged from 40% to 45%. The acute toxic and chronic effects, as well as the cytotoxic, genotoxic and mutagenic effects, decrease as the biodegradable fraction of the organics is removed. These results, together with the organic load measurement of the effluents of the anaerobic treatment, indicate that these effluents are recalcitrant but not toxic. As expected, color increased when the anaerobic treatment was applied. However, the colored compounds are of microbial origin and do not cause an increase in genotoxic effects. To discharge the wastewater, it is necessary to apply a physico-chemical or aerobic biological post-treatment to the effluents of the anaerobic reactor.

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Monitoring of a paper mill wastewater treatment plant using UV/VIS spectroscopy

Cited by 76 publications

References 4 publications

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

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

Estimación del exponente de HURST y dimensión fractal para el análisis de series de tiempo de absorbancia UV-VIS

Anaerobic treatment of cellulose bleach plant wastewater: chlorinated organics and genotoxicity removal

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