Characterisation and optimisation of three potential aerobic bacterial strains for kraft lignin degradation from pulp paper waste

Chandra, Ram; Raj, Abhay; Purohit, Hemant J.; Kapley, Atya

doi:10.1016/j.chemosphere.2006.10.011

Cited by 194 publications

(101 citation statements)

References 30 publications

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“…For example, A. aneurinilyticus mainly utilized carbohydrates, polymers, and carboxylic acids, while T. fusca utilized a wide range of carbon sources, such as carbohydrates, polymers, carboxylic acids, and nucleosides. Furthermore, A. aneurinilyticus and T. fusca may be involved in the degradation of lignin when conditions are mesophilic during the composting process, since the bacteria of these taxa are known to degrade lignin (Chandra et al, 2007;Crawford & Crawford, 1976). Most strains of B. subtilis were able to utilize 23 sole carbon sources, which were mainly carbohydrates, polymers, carboxylic acids, and alcohols.…”

Section: Discussionmentioning

confidence: 99%

Examination and Comparison of Microbial Diversity in Field-Scale Sewage Sludge Composters

Ohnishi¹,

Nagano²,

Fujimoto³

et al. 2011

Changing Diversity in Changing Environment

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Section: Discussionmentioning

confidence: 99%

Examination and Comparison of Microbial Diversity in Field-Scale Sewage Sludge Composters

Ohnishi¹,

Nagano²,

Fujimoto³

et al. 2011

Changing Diversity in Changing Environment

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“…In addition the application of fungi in bioleaching of raw pulp is not feasible due to its structure hindrance caused by fungal filament .Several studies have investigated biological treatment of black liquor by using various pure bacterial strains. (Chandra et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

The Use of Biotechnology for Biodegradation of Paper Manufacturing Wastes (Kraft Lignin) Via Egyptian Bacterial Isolates

2011

Alexandria Science Exchange Journal: An International Quarterly

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Lignin contained in pulping liquor that is generated during the pulping process for papermaking is a disposal problem for the pulp and paper industry because it causes a serious pollution and toxicity problem in aquatic ecosystems, owing to its low biodegradability and high range of color. Four bacterial strains were isolated from soil, water and activated sludge samples which were collected from the effluent treatment plant of Rakta Pulp and Paper Company, Eltabia, Alexandria, Egypt in sterile test tubes. After isolation and purification of the bacterial isolates, they were tested for the degradation of kraft lignin (KL) using sterile mineral salt medium (MSM) containing KL 1000 mg l -1 (designated hereafter L-MSM) and supplemented with 1.0% glucose and 0.5% peptone (w/v) added in L-MSM-broth and L-MSM-agar as growth supportive substrates and incubated for seven days under aerobic conditions at 30 °C and 120 rpm. Samples were withdrawn periodically at 1-day intervals for seven days and analysed for bacterium growth, reduction of color and residual KL content. The isolates were subjected to 16S rDNA sequence for identification. Partial sequence of 16S rDNA revealed that these isolates were Bacillus subtilis subsp. Subtilis, Citrobacter farmeri, Escherichia fergusonii and Stenotrophomonas rhizophila. The average reduction of color was 85.4, 70.1, 61.7 and 74.5 % and lignin degradation 71.4, 62.2, 54.5 and 57.1%, respectively.

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“…Another researcher Gupta et al [37] reported that the two strains were able to remove 70% to 80% of COD, and lignin's while the colour around 85% in 8 days of detention time [37]. Three bacterial isolates used by Chandra et al [38] reported the degradation of Kraft lignin which is able to reduce 69% colour, 40% lignin and total substrate by 50% after incubating the sample for 48 h [38]. The use of sulphate reducing bacteria by Hao and Man [39] able to remove COD up to 70-75% after 3 weeks and increase to 82-88% by subsequent aerobic treatment for 48 h [39].…”

Section: Verification Experimentmentioning

confidence: 99%

Biological Approach for the Treatment of Pulp and Paper Industry Effluent in Sequence Batch Reactor

Dhall¹

2014

J Bioremed Biodeg

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Pulp and paper industrial effluent is rich in recalcitrant compounds and causes pollution. For the treatment of such compounds activated sludge process is frequently used in which F/M ratio is kept low. This treatment results in effective biochemical oxygen demand removal but other waste water parameters are not reduced effectively due to lack of dissolve oxygen.In the present study sequential batch reactor was used for the removal of pollutants from the waste water of pulp and paper mill by using bacterial consortium (Klebsiella sp., Alcaligens sp. and Cronobacter sp.). The aim of present research is to identify the influences of F/M ratio and dissolved oxygen concentration on the microorganism's growth and pollutant removal. The process of bioremediation was optimized by Taguchi approach. Bioremediation experiment resulted in reduction of chemical and biochemical oxygen demand up to 72.3% and 91.1%, respectively. A significant reduction in colour (55%), adsorbable organic halides (45.4%), total dissolve solids (22%) and total suspended solids (86.7%) was also observed within 14hrs while, the sludge volume index was 52. The wastewater after the treatment process meets the standard given by regulatory agencies and can be discharged into the environment without any risks. Journal of Bior emediation & Biodegradation

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Characterisation and optimisation of three potential aerobic bacterial strains for kraft lignin degradation from pulp paper waste

Cited by 194 publications

References 30 publications

Examination and Comparison of Microbial Diversity in Field-Scale Sewage Sludge Composters

Examination and Comparison of Microbial Diversity in Field-Scale Sewage Sludge Composters

The Use of Biotechnology for Biodegradation of Paper Manufacturing Wastes (Kraft Lignin) Via Egyptian Bacterial Isolates

Biological Approach for the Treatment of Pulp and Paper Industry Effluent in Sequence Batch Reactor

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