Kraft mills have the potential to pre-extract hemicellulose from wood as another value added product. The impacts of pre-extracting xylan on pulp and handsheet properties, sodium and sulfur balances, and chemical make-ups in the kraft pulping process of Eucalyptus grandis were assessed. Xylan extractions using white liquor, green liquor, and NaOH were done under varying extraction times, temper...

Nitrate-nitrogen (nitrate-N) removal rates can be increased substantially in denitrifying bioreactors with a corn ( L.) cob bed medium compared with woodchips; however, additional organic carbon (C) is released into the effluent. This laboratory column experiment was conducted to test the performance of a postbed chamber of inert plastic biofilm carrier (PBC) after corn cobs (CC) to extend the ...

A formic/acetic acid/water system was used in the ratios of 30:60:10, 20:60:20, and 30:50:20 separately for efficient hydrolysis and bioconversion of poplar chips, under the solid/liquid ratio of 1:12(g/ml), at 105 C for 30, 45, 60, 75, and 90 min, respectively. The highest yield of 69.89% was at a formic/acetic acid /water ratio of 30:50:20(v/v/v), with solid/liquid in the ratio of 1:12(g/ml) ...

Logistics cost, the cost of moving feedstock or products, is a key component of the overall cost of recovering energy from biomass. In this study, we calculate for small- and large-project sizes, the relative cost of transportation by truck, rail, ship, and pipeline for three biomass feedstocks, by truck and pipeline for ethanol, and by transmission line for electrical power. Distance fixed cos...

The future of conventional fuels has limited sustainability and creates disquietude because the ubiquitous energy crisis worldwide. judicious use biomass or wood-based is inevitable. quality wood depends on moisture content, subsequently, solar drying solutions can play a vital role in adequately storing controlling fuels. In present study, novel forced convection cabinet-type dryer was develop...

Most of the nutrients in wastewater come from human urine and their recycling for agricultural purposes is very limited. After source separation, can be treated to produce various urine-based fertilizers. This study aims characterize nitrogen use efficiency different Nine fertilizers were compared together with ammonium nitrate cattle slurry a greenhouse pot trial English rye-grass, (Lolium per...

One of the main challenges using biofuels, such as pellets or wood chips in domestic boilers, is slagging and fouling risks associated to process, which could damage boiler limit its efficiency. The prediction sintering biomass combustion essential establish biofuel quality standards, minimize their harmful effects. In this work, we analysed chemical composition 40 woodchips samples from differ...

Abstract Wet winter conditions can create animal welfare issues in feedlots if the pen surface becomes a deep, wet, penetrable substrate. Feedlot pens with clay and gravel base ( N = 30) bedded 150 mm (W15) 300 (W30) depth of woodchips were compared to control treatment no bedding over 109-day feeding period, while irrigated supplement natural rainfall. The pad substrate was measured for variab...

This study evaluated how Eucalyptus physiological disorder (EPD) affects wood quality and pulping performance. Although research advances have been made in forest management tree improvement programs for eucalypt plantations, some areas of Brazil are still subject to abiotic stress, mainly due atypical climatic patterns. Tree growth is affected by this can change the properties, which influence...