Ultrafiltration of kraft cooking liquors from a continuous cooking process

Wallberg, Ola; Holmqvist, Anders; Jönsson, Ann‐Sofi

doi:10.1016/j.desal.2004.12.032

Cited by 41 publications

(18 citation statements)

References 10 publications

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“…Several other methods were developed to the treatment of the wastewater paper industries. Wallberg et al [5][6][7] applied the technique of ultra-filtration for the recovery of lignin starting from black liquor resulting from a Kraft process. They showed that this method makes it possible to retain 30-40% of lignin and 10% of total dry matter under the optimum conditions such as temperature, flow rate and transmembrane pressure.…”

Section: Introductionmentioning

confidence: 99%

Electrocoagulation treatment of black liquor from paper industry

Zaied

Bellakhal

2009

Journal of Hazardous Materials

217

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Section: Introductionmentioning

confidence: 99%

Electrocoagulation treatment of black liquor from paper industry

Zaied

Bellakhal

2009

Journal of Hazardous Materials

217

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“…The concentration of the liquor to be treated by UF is not that critical, even though the flux of the membranes is reduced as the concentration increases. This means that there is considerable freedom in the choice of liquor for treatment with UF (Wallberg et al 2005).…”

Section: Kraft Lignin Recoverymentioning

confidence: 98%

Extraction of Lignin from Biomass for Biodiesel Production

Bhat

Dasan

Khan

2015

Agricultural Biomass Based Potential Materials

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The renewable biorefinery concept involves transforming a pulp mill into a multipurpose biofuels, biomaterials, and biopower production facility in which these products are produced in an ecofriendly and sustainable manner. A key challenge in this process is the recovery of lignin from process streams such that it can be utilized in a variety of innovative green chemistry processes. This chapter focuses on the various methods used for the recovery of lignin and application of lignin. The study also discusses about the production of biofuel, specifically biodiesel via Lignoboost lignin pyrolysis as biofuel, steam gasification/pyrolysis of kraft lignin for biofuel, lignin hydrocracking for biofuel and hydrogenation of black liquor. Besides this, the study also throws some light on the availability of biomass, its sources, and global production of biodiesel.

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“…UF has so far been employed mainly for the following three purposes: separation of lignin compounds from low molecular weight inorganic fraction; fractionation of high molecular weight lignin compounds; and recovery of water (Bhattacharjee and Bhattacharya 2006). Many studies have been conducted to investigate UF membrane technology for treating black liquor to recovery the valuable organics (Dafinov et al 2005;Holmqvist et al 2005;Wallberg et al 2005;Jönsson and Wallberg 2009). Most of these applications are still in the laboratory stage.…”

Section: Membrane Concentration Of Black Liquor Descriptionmentioning

confidence: 99%

“…References for further information (De and Bhattacharya 1996;Dillard 1998;Wallberg et al 2003;Dafinov et al 2005;Holmqvist et al 2005;Wallberg et al 2005;Bhattacharjee and Bhattacharya 2006;Stowell 2007;Jönsson and Wallberg 2009;Adnan et al 2010;Sholl 2011;Agenda2020 2012Teledyne 2012) …”

Section: Commercial Status Development Stagementioning

confidence: 99%

Emerging Energy-Efficiency and Greenhouse Gas Mitigation Technologies for the Pulp and Paper Industry

Kong¹

2012

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The pulp and paper industry ranks fourth in terms of energy consumption among industries worldwide. Globally, the pulp and paper industry accounted for approximately 5 percent of total world industrial final energy consumption in 2007, and contributed 2 percent of direct carbon dioxide (CO 2 ) emissions from industry. Worldwide pulp and paper demand and production are projected to increase significantly by 2050, leading to an increase in this industry's absolute energy use and greenhouse gas (GHG) emissions. Development of new energy-efficiency and GHG mitigation technologies and their deployment in the market will be crucial for the pulp and paper industry's mid-and long-term climate change mitigation strategies. This report describes the industry's processes and compiles available information on the energy savings, environmental and other benefits, costs, commercialization status, and references for 36 emerging technologies to reduce the industry's energy use and GHG emissions. Although studies from around the world identify a variety of sector-specific and cross-cutting energy-efficiency technologies that have already been commercialized for the pulp and paper industry, information is scarce and/or scattered regarding emerging or advanced energy-efficiency and low-carbon technologies that are not yet commercialized. The purpose of this report is to provide engineers, researchers, investors, paper companies, policy makers, and other interested parties with easy access to a well-structured resource of information on these technologies.

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Ultrafiltration of kraft cooking liquors from a continuous cooking process

Cited by 41 publications

References 10 publications

Electrocoagulation treatment of black liquor from paper industry

Electrocoagulation treatment of black liquor from paper industry

Extraction of Lignin from Biomass for Biodiesel Production

Emerging Energy-Efficiency and Greenhouse Gas Mitigation Technologies for the Pulp and Paper Industry

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