Cement type composite panels manufactured using paper mill sludge as filler

Çavdar, Ayfer Dönmez; Yel, Hüsnü; Boran, Sevda; Peşman, Emrah

doi:10.1016/j.conbuildmat.2017.03.099

Cited by 39 publications

(12 citation statements)

References 21 publications

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“…In (Soucy et al, 2014) it is shown that increasing the paper sludge content in wood-plastic composites enhances the water absorption property of composite (what composite) and reduces the composite strength. A similar study (describe a bit the study) was made by Donmez Cavdar et al on wood cement and paper sludge composites (Donmez Cavdar et al, 2017). When the paper sludge quantity increased thickness swelling tends to increase as well.…”

Section: Introductionmentioning

confidence: 60%

Modelling of Incident Wave Sound Absorption Coefficient of Paper Sludge Panels

Astrauskas

Grubliauskas

2020

International Conference “Environmental Engineering”

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Paper sludge is the water treatment waste, which produced during paper production. Paper sludge (PS) waste utilization is the common problem in the EU and internationally. According to authors Frías et al. paper sludge is the main waste in the paper processing factories, the percentage reach 35% of product volume. According to the waste management directive No. 2008/98/EC, paper sludge waste should not be utilised in landfills. Such legislation generates the motivation of this study. This study deals with paper sludge as sound absorbing material. In this paper panels made of paper sludge is studied. Sound absorption coefficient of the panels predicted with Horoshenkov and Swift acoustic model for granular media. The aim of this paper is to predict sound absorption coefficient using non-acoustic parameters of the material.

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Section: Introductionmentioning

confidence: 60%

Modelling of Incident Wave Sound Absorption Coefficient of Paper Sludge Panels

Astrauskas

Grubliauskas

2020

International Conference “Environmental Engineering”

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“…Cement is the largest manufactured product and the basic ingredient for the construction industry . The cement industry has a strong and long established track record reusing numerous types of by‐products and wastes from other industries, such as art paper sludge and paper mill sludge . Previous studies have been carried out with various types of sludge or sludge ash as raw materials for cement production .…”

Section: Strategies Of Sludge Valorizationmentioning

confidence: 99%

Strategies of valorization of sludge from wastewater treatment

Sheng

Zhang

2018

J of Chemical Tech & Biotech

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Sludge is regarded as a potential source to achieve valorization via strategies such as resource recovery, sludge based adsorbents preparation, bioflucculants production, sludge manufacturing construction materials preparation, sludge composting and thermal valorization, which are currently common and effective strategies. Appropriate treatment strategies of sludge are of great importance worldwide for the fast growing population and rapidly increasing waste. This mini review summarized some widely used and effective strategies to achieve sludge valorization based on whether the strategy would utilize or reuse the potential of sludge to obtain valuable product and eliminate secondary pollution. Anaerobic digestion of sludge is perceived as a potentially cost‐effective method to achieve sludge reduction and resource recovery including carbon, nitrogen, phosphorus resource recovery coupled with other technologies. Utilizing sludge as raw material for preparation of valuable products including sludge based adsorbents, bioflocculants and construction materials is another aspect to achieve sludge valorization. Sludge composting and thermal valorization are also introduced in the mini review since the two strategies could also achieve sludge valorization. In addition, the strategies mentioned were discussed and analyzed in the mini review from environmental and economic aspects. © 2017 Society of Chemical Industry

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“…The major advantages of the panels are their good acoustical and thermal insulating properties and high performance to resist decay, fungi, insects, moisture, fire (Fan et al 2004, Tabarsa and Ashori 2011, Yel et al 2011, Tittelein et al 2012. According to the morphology of the wood particles used in the panel manufacture, wood cement panels are named wood wool cement boards, cement bonded fiberboard, cement bonded particleboard, and wood strand cement boards, respectively (Jorge et al 2004, Kalaycioglu et al 2012, Donmez Cavdar et al 2017.…”

Section: Introductionmentioning

confidence: 99%

Effect of press temperature on some properties of cement bonded particleboard

Yel

Çavdar

Torun

2020

Maderas, Cienc. tecnol.

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It is known that there is a correlation between hydration heat and physico-mechanical properties of wood based cement panels. Cement hydration is affected by many variables, such as chemical composition, water/ cement ratio, wood/cement ratio, wood chemical properties, mineral additions and producing conditions. This study mainly aimed to investigate the effects of press temperature on some properties of three-layer cement bonded particleboard made from the particles of spruce (Picea orientalis) and poplar (Populus tremula). For this purpose, a total of 16 experimental board groups with 1200 kg/m 3 target density and 1/3 wood-cement ratio were produced at the press temperatures of (20, 30, 40, 50, 60, 70 and 80) °C. As cement curing accelerator, CaCl 2 was used at a rate of 5 % (cement weight basis). The physical, mechanical and thermal properties of the boards were determined. The results indicated that the press temperature substantially affected the properties of cement-bonded particleboard depending on the wood species. In the light of this study, the optimum temperatures in producing of cement-bonded particleboard were found as 40 °C for poplar wood and 60 °C for spruce wood.

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Cement type composite panels manufactured using paper mill sludge as filler

Cited by 39 publications

References 21 publications

Modelling of Incident Wave Sound Absorption Coefficient of Paper Sludge Panels

Modelling of Incident Wave Sound Absorption Coefficient of Paper Sludge Panels

Strategies of valorization of sludge from wastewater treatment

Effect of press temperature on some properties of cement bonded particleboard

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