Treatment of APMP pulping effluent based on aerobic fermentation with Aspergillus niger and post-coagulation/flocculation

Liu, Tingzhi; He, Zhibin; Hui-ren, HU; Ni, Yonghao

doi:10.1016/j.biortech.2011.01.047

Cited by 30 publications

(22 citation statements)

References 21 publications

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“…Although the yield of pulp is 90 %, which still has about 10 % organic and inorganic matters dissolved in the effluent and a small amounts of them is adsorbed on the pulp [1]. In previous studies, researchers have paid more attention to their negative impact on the pulp and paper mill process, which may cause production and environmental problems in the pulp and paper industry.…”

Section: Introductionmentioning

confidence: 99%

The water resistance of corrugated paper improved by lipophilic extractives and lignin in APMP effluent

et al. 2015

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In this article, quantitative determination of compositions (hemicellulose and lignin) in the APMP (alkaline peroxide mechanical pulping) effluent was done. The MTBE (methyl tert-butyl ether) extracts of the APMP effluent (extractives) were analyzed by GC/MS (gas chromatography-mass spectrometry). The result of GC/MS showed that fatty acids (C14-C28) and their esters, sterols were the main components of extractives. Based on the qualitative and quantitative determination of compositions in APMP effluent and the mechanism of surface sizing, APMP effluent combined with starch and Al 2 (SO 4 ) 3 was used as corrugated paper surface sizing agent; the water resistant mechanism of which was explored. Combined effects of lignin (extractives) and Al 3? played a major role in hydrophobic properties of corrugated paper, the Cobb values of corrugated paper sized by which were 35.2 and 39.8 g/m 2 , respectively. The water contact angles were 126.6°and 115.6°at 120 s, respectively. No previous studies or article on APMP effluent improving the water resistance of corrugated paper have been reported.

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Section: Introductionmentioning

confidence: 99%

The water resistance of corrugated paper improved by lipophilic extractives and lignin in APMP effluent

et al. 2015

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“…The turbidity of the water sample was measured by an ASN 2000 turbidity meter [9]. The MBTE extract of effluent was determined according to the method described in an article [10]. And the Cationic demand (CD), mean diameter of particles of wastewater were measured by PCD-03 particle charge analyzer (Mütek).…”

Section: Methodsmentioning

confidence: 99%

Bentonite Adsorption & Coagulation Treatment of Recycled Fiber Pulping Wastewater

Liu¹,

Zheng²,

Wang³

et al. 2013

ENG

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A bentonite & PAM particle flocculation system was employed in recycled fiber pulp wastewater treatment in this paper. The optimum conditions of the adsorption & coagulation treatment was explored and optimized and effects of the treatment were focused on, especially stickies substances removal. Under the optimal conditions, the removal of MTBE extract and cationic demand reached 91.26% and 86.93%, and the average particle size in the treated wastewater pollutants is reduced from 40.95 μm to 0.5 μm. In this treatment the removal of CODcr, turbidity, SS and color were 89.67%, 99.56%, 95.58% and 93.08%, respectively. The results showed that the particle flocculation system was effective for the treatment of recycled fiber pulp wastewater, especially for controlling the stickies.

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“…The 5 kDa fraction of the waste liquid accounted for 70% of the COD and 20% of the residual chromaticity that had not been removed by ultrafiltration. The small compounds were a mixture of the degradation products of lignin, hemicellulose, wood extract, and fines (Liu et al 2011).…”

Section: Molecular Weight Distribution Of Pollutants In the Pre-condimentioning

confidence: 99%

“…The organic waste liquid has a high concentration of organic matter that is produced and discharged as effluent. Therefore, the residual contaminant concentration is high, and the waste liquor does not reach a quality of water suitable for discharge to the environment after traditional processing techniques (Liu et al 2011). However, the efficiency of the waste liquor treatment is related to the type of organic compounds.…”

Section: Introductionmentioning

confidence: 99%

Characteristics of Pollution from Waste Liquor of Poplar Pre-Conditioning Refiner Chemical Alkaline Peroxide Mechanical Pulping

Yang

Zhang

et al. 2016

BioResources

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The molecular weight distribution and composition of organic pollutants from chemi-mechanical pulping waste liquor was studied using ultrafiltration, Fourier transform infrared spectra, and gas chromatographymass spectrometry. The concentration of dissolved chemical organic compounds was approximately 1.81 × 10 4 mg·L -1. In addition, the wastewater had poor biodegradability. The chemical oxygen demand (COD) was primarily composed of small molecular organic pollutants, and the larger pollutants in the waste liquor were its primary source of color. The data indicated that there were chromophoric and auxochrome groups in the waste liquor. The waste liquor contained 38 types of organic pollutants, which were aromatic compounds, including phenols, ketones, alcohols, and fatty acids.

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Treatment of APMP pulping effluent based on aerobic fermentation with Aspergillus niger and post-coagulation/flocculation

Cited by 30 publications

References 21 publications

The water resistance of corrugated paper improved by lipophilic extractives and lignin in APMP effluent

The water resistance of corrugated paper improved by lipophilic extractives and lignin in APMP effluent

Bentonite Adsorption & Coagulation Treatment of Recycled Fiber Pulping Wastewater

Characteristics of Pollution from Waste Liquor of Poplar Pre-Conditioning Refiner Chemical Alkaline Peroxide Mechanical Pulping

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Treatment of APMP pulping effluent based on aerobic fermentation with Aspergillus niger and post-coagulation/flocculation

Cited by 30 publications

References 21 publications

The water resistance of corrugated paper improved by lipophilic extractives and lignin in APMP effluent

The water resistance of corrugated paper improved by lipophilic extractives and lignin in APMP effluent

Bentonite Adsorption &amp; Coagulation Treatment of Recycled Fiber Pulping Wastewater

Characteristics of Pollution from Waste Liquor of Poplar Pre-Conditioning Refiner Chemical Alkaline Peroxide Mechanical Pulping

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Bentonite Adsorption & Coagulation Treatment of Recycled Fiber Pulping Wastewater