2013/12/1/ · Plant biomass in the form of waste materials and by-products from various industries can be a valuable material for the production of composts and growing media for urban gardening. In this study, pulp and paper mill sludge, fruit-vegetable waste, mushroom spent substrate and rye straw were used to produce compost that was further
1997/1/1/ · The feasibility of aerobic vessel composting and anaerobic digestion for the treatment of pulp and paper mill sludges were studied. The composting studies made use of primary and secondary sludge from a de-inking and paper mill. In six parallelly aerated 500 l vessels with various carbon : nitrogen (C:N) -ratios, the most optimal performance
2019/12/1/ · Paper mill sludge as mentioned above is the by-products, released in huge amount from paper and pulp industries. An investigation on use of paper mill sludge in brick manufacturing. Constr. Build. Mater., 148 (2017) ... (NOM) derived from sewage sludge compost. Part 2: Multivariate techniques in the study of compost maturation. Bioresour ...
2021/4/5/ · This laboratory-scale work made use of paper mill sludge (PMS), cow dung and sawdust (mixed in 5:1:1 ratio). The mixture was composted using a rotary drum composter (Capacity 500 L), to accelerate the process of composting and the process was accomplished within 15 days [30]. PMS was collected from Nagaon Paper Mill, state of Assam, India.
2016/3/1/ · Pulp and paper mill sludge (PPMS) is an organic residual generated from the wastewater treatments. PPMS management involves economic, environmental and social
2004/12/1/ · The r esearch is designed to characterize the sludge of a specific pa per-recycling mill in t he. Philippines and establish whether the s ludge might contain the heavy metals Cadmium, C hromium
2018/3/13/ · Paper mill residuals, commonly referred to as mill sludge, are a product of the wastewater treatment process of wastepaper recycling, wood pulping and papermaking. The residuals available to Michigan’s Upper Peninsula farmers are produced at three different mills: Resolute Forest Products in Menominee County, and Verso in Delta and Dickinson
2022/6/1/ · The co-composting of oil palm fronds and paper mill sludge may be economical and eco-friendly, yet the complex indigenous configuration of lignocellulose reduces the bioavailability of waste, resulting in the hindrance to the humification process. In this work, oil palm fronds after hydrothermal pretreatment were mixed with paper mill
2022/12/1/ · By absorption process, the activated sludge process removes (1/3rd) of the colour of wastewater. Clay and alum have been used to remove the colour from pulp mill wastewater. For colour removal from black pulp mill liquor, pyrolized char from paper mill sludge was also reported (Yadav et al., 2022). The treated wastewater did not cause any
Co-composting dewatered paper mill sludge (PMS) and hardwood sawdust, two readily available materials in Canada, was investigated using uncontrolled and controlled In tank processes. The composted materials were characterized for total C and N, water-soluble, acid-hydrolyzable, and non-hydrolyzable N, extractable lipids, and by Fourier
2019/7/15/ · This primary sludge has the highest generation output in the paper industry (around 45%), thus being the object of the majority of the studies, and representing a major environmental risk due to its inappropriate disposal (Guerrini et al., 2017).Some countries already developed techniques to reduce the primary sludge percentage in the
2013/7/23/ · Moreover earlier studies of invessel composting of paper mill sludge required long time for the composting process and varied between 121 days to 28 days (Jackson and Line, 1997; Das et al., 2001
2013/7/23/ · Abstract. Economically viable and environmentally acceptable to recycle organic wastes are needed by the pulp and paper industry. We assessed the potential for composting the Virginia Fibre Corporation's (VFC) combined primary and secondary dewatered paper mill sludge (PMS) and evaluated the suitability of the finished product as
All the prepared compost samples sub-samples and sample of paper mill sludge before composting were taken, air dried and sieved through 2 mm sieved and extracts were processed for physico-chemical
This work aimed to reveal the differences of nitrogen (N) transformation between animal-derived and plant-derived biochar during paper mill sludge composting. Three treatments were established, including CK (no biochar), ABC (animal-derived biochar), and PBC (plant-derived biochar). Results showed t …