Pulp Mill Wastewater: Characteristics and Treatment
7. Kraft pulping: wastewater treatment. The typical pulp mill wastewater treatment should include primary treatment (neutralization, screening or sedimentation), principally to remove suspended solids, and biological/secondary treatment. The secondary treatment is mainly done to diminish the organic matter, which is removed by biological
Pulp, Paper and Paperboard Effluent Guidelines US EPA
EPA promulgated initial Effluent Guidelines and Standards for the Pulp, Paper and Paperboard category (40 CFR Part 430) in 1974 and 1977, amended the regulations in 1982 and 1986, and promulgated a major amendment covering toxic pollutants in 1998.The Effluent Guidelines are incorporated into NPDES permits for direct dischargers direct dischargerA point source that discharges pollutants to
Papermaking Effluent Treatment: A New Cellulose
In order to get the filtered papermaking wastewater up to the standard demanded, methods (such as reverse osmosis, nanofiltration) can use together to deal with the waste. 151 Yitong Zhou et al. / Procedia Environmental Sciences 16 ( 2012 ) 145 â€“ 151 Table 1 . SS, Lignin cont ent,pH of the papermaking effluent and filt ered solut ion
Pulp and paper industry water treatment Lenntech
This two kinds of industries are normally separated. The pulp (raw material for paper industry) and the paper industry, produce different kind of waste water.There is also a third related industry, the paper recycling industry, which has a similar kind of waste water.
industrial effluents in paper mills and the paper pulp
Recycling can concern up to 100% of the sludge and 50 to 100% of water for a plant using old paper. The recycling rate which may be implemented relies on great skill in paper-making and water treatment. This effluent's COD is in general two to three times higher than the BOD 5.
The treatment of pulp and paper mill effluent: a review
Papermaking effluents may also have some discolouration, especially at mills using dyes to produce coloured paper. The pulping process generates a considerable amount of wastewater, approximately 200 m 3 /tonne of pulp produced (Cecen et al., 1992), most of which is too weak to recover, although being highly polluting. In conventional
(PDF) Characteristics of Wastewater from the Pulp.Paper
Characteristics of Wastewater from the Pulp.Paper Industry and its Biological Treatment Technologies. which is produced at different steps of paper making in paper mills. The pulp and paper
WO2012085457A1 Process for manufacturing paper
Process for manufacturing paper from fibres resulting from wastewater sludges of at least one papermaking machine, comprising the steps of: a) selection, among the wastewater sludges of the papermaking machine having a dryness greater than 10%, of sludges having a filler content of less than 50% by dry weight relative to the dry weight of the sludges; b) mixing the sludges selected with water
Wastewater treatment in the pulp-and-paper industry: A
Wastewater treatment in the pulp-and-paper industry: A review of treatment processes and the associated greenhouse gas emission Article in Journal of Environmental Management 158 ·
USE OF PAPERMAKING SLUDGE AS NEW MATERIAL.
the construction of communication tunnels, and using paper- making sludge as a material for improving soil properties, such as improvement in properties of weak, sandy soil generated during building works. These techniques make use of the prop- erties of pulp fiber, a component of the papermaking sludge,