Wastewater treatment in paper and pulp industry pdf

New technologies in the paper and pulp industry wastewater treatment. Whether looking to increase felt life, keeping screens clean or any combination of paper and pulp industry water treatment issues, aries can help build a solution for you. Regardless of which products are produced and which processes the respective plant applies water is one of the most important resources. In pulp and paper industry, flocculation is involved in different parts of the process. Pulp mill bleach plant wastewater is the major source of the pollutant in pulp and paper industries razali et al. As most of the largest industrial users of water, the paper and pulp industry have long treated water in accordance with environmental permits. For every tonne of paper produced, these mills generate 220380 m 3 of highly coloured and potentially toxic. If recycled paper is used a further stage is involved to remove the ink paper and pulp manufacture wastewater treatmentread more.

Because of the chemicals used in the pulping and bleaching processes. Wastewater and residual detergents in the pulp and paper industry are the amongst the most dangerous types of industrial wastewater in regards to their quality and composition. Microbial fuel cells applied to the pulp and paper industry wastewater treatment. The pulp and paper industry is the nations third largest industrial consumer of water the kline guide to the paper industry, 1980. Waste water treatment technologies and practices in indian pulp. Bengoechea and rosa fenoglio and mar\ia cristina area, year. Treatment of pulp and paper mill wastewater with various. The paper industry uses very high volumes of process water for pulp preparation and bleaching among other processes. Water is used in all major process stages, including raw materials preparation, pulp washing and screening and paper machines. Pdf on apr 2, 2012, nitin raut and others published treatment of pulp and paper industry wastewater by using microalgae. The pulp andpaper industry is the nations third largest industrial consumer of water the kline guide to the paper industry, 1980. 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. Flow scheme of general wastewater treatment plant of pulp and paper industry. The recycling and reuse of the generated wastewater after its proper treatment is the key to reduce fresh water use.

Aerobic lagoons, activated sludge systems, anaerobic treatment and sequential biological treatment aerobicanaerobic or anaerobicaerobic are the most common biological treatment application for pulp and paper mills. Pulp, paper and paperboard effluent guidelines us epa. A read is counted each time someone views a publication. Dec 04, 2012 treatment of waste from pulp industry 1. Advanced oxidation processes for wastewater treatment in. Here is a brief overview of why wastewater produced in the pulp and paper industries must be treated and the processes used to treat these contaminated water sources. Pulp and paper industry is the greatest industrial polluter in terms of wastewater volumes and organic discharges. The following is an outline of principal manufacturing processes at a paper mill. Advanced oxidation processes for wastewater treatment in the pulp and paper industry. Aug 01, 2015 wastewater treatment in the pulp and paper industry.

The growing concerns about the use of fresh water, increased economic considerations and stringent environmental regulations have highlighted the importance of water use and efficient wastewater treatment in the pulp and paper industry. The pulp raw material for paper industry and the paper industry, produce different kind of waste water. May 16, 2016 the water treatment systems and processes not only differ from industry to industry, but also between pulp and paper production, which are separate. This procedure will minimize external discharges to the environment while advancing environmental conservation by reducing fresh water consumption. Paper industry and its biological treatment technologies article pdf available january 2009 with 3,902 reads how we measure reads. Water use and wastewater treatment in papermills cm consult. Water treatment for paper and pulp industry case studies. Advanced oxidation processes for wastewater treatment in the. The general characteristics of the pulp and paper industry effluent can be listed as. Wastewater treatment for the recycled pulp and paper industry. The largest portion of this stream is the primary and secondary sludge produced from wastewater treatment plants. Pollution prevention in the pulp and paper industries. Waste water treatment solutions in pulp and paper industry.

Treatment of pulp and paper industry wastewater by using microalgae. Treatment of wastewater from paper and pulp industry considering two strategies. Paper and pulp industry manufacturing and treatment. There is also a third related industry, the paper recycling industry, which has a similar kind of waste water. Treatment of pulp and paper industrial effluent using. The growing concerns about the use of fresh water, increased economic considerations and stringent environmental regulations have highlighted the importance of water use and efficient wastewater treatment in the pulpandpaper industry. The sludge blanket in the uasb comprised of microbial granules, i. The paper machines can draw wet or slush pulp direct from a baled pulp or paper mills from related pulp mills, and from wastepaper plants. The water treatment systems and processes not only differ from industry to industry, but also between pulp and paper production, which are separate.

Condorchem envitech offers comprehensive industrial wastewater and industrial air emissions treatment solutions. A welldesigned wastewater treatment is of great importance to companies producing pulp, cardboard or paper. Pulp and paper industry chemical and semichemical pulp. Limits and perspectives of pulp and paper industry.

Water use and treatment in the pulp and paper industry. The organic pollutants and inorganic salts are high in content, complex in composition, high in hardness, high in costs. General effluent treatment practices in indian paper industry. Highly effective, and cost saving, water treatment solutions for the paper and pulp industry. The required to produce one ton of paper is expected to be around 273455 m 3.

This factory produces about 3000 metric tons of tissue paper a month and produces 96 m. If recycled paper is used a further stage is involved to remove the ink from the recycled paper. Membrane technology for paper mill wastewater treatment. Pulpandpaper industry is a large consumer of fresh water and an important source of waste water, generated during various stages of pulping. Aug, 2015 treatment of wastewater from paper and pulp industry considering two strategies.

It is therefore getting more and more important to treat wastewater and return it to the process. Biological processes generally are not capable to remove these compounds. The experiment was conducted in lab scale sbr reactor. Over the past decade, pulp and paper companies have continued to focus on minimizing fresh water use and effluent discharges as part of their move towards sustainable operating practices. Treatment of waste from pulp industry linkedin slideshare. This paper explores the options available for disposal of the solid waste stream from pulp and paper mill operations. The general treatment process is located on this circuit and from which the recycling of water or sludge into the manufacturing stage may be organised, depending upon the quality of paper manufactured. Pulp and paper industry, cleaner production, primary and secondary treatment. Modeling and control of ph in pulp and paper wastewater.

A column type sbr 10cm dia and 70 cm height with a working volume of 5. The proportions are being used depending upon the grade of paper which is made. Wastewater generation, solid wastes including sludge generating from wastewater treatment plants an d air emissions are other problems and effective disposal and treatment approaches are e ssential. The effluents of some pulp and paper processes are potentially pollutant, because of their large volume and their refractory nature. Wastewater treatment in the paper and pulp industry. Paper buyers can use this information to make informed decisions. Pulp and paper industry use wood ad raw material to produce paper, pulp, board and other cellulose based products. Recyclers produce two to four times as much sludge as virgin mills.

In the following text the three branches of industry are separated. Pulp and paper industry wastewater treatment technologies regardless of various wastewater treatment techniques, such pollutants mentioned earlier have been found in the. Covinich et al advanced oxidation processes for wastewater treatment in the pulp and paper industry. Pdf advanced oxidation processes for wastewater treatment. Application of uasb reactor in industrial wastewater. The effluent guidelines are incorporated into npdes permits for direct dischargers direct. Pulp and paper mills are categorized as a core sector industry and are the fifth largest contributor to industrial water pollution. Agro based pulp and paper industries waste water used for study which is situated in sitapur near by lucknow, uttar pradesh, india. The wastewater treatment systems, used in the pulp and paper industry, are biological treatment process such as.

The need to maximize the efficiency and minimize the environmental impact of pulp. The average amount of recycled fiber content in newsprint used by the us newspapers has increased from 10% in 1989 to more than 30% today. Sep 17, 2011 pulp and paper mills are categorized as a core sector industry and are the fifth largest contributor to industrial water pollution. Paper and pulp manufacture wastewater treatment ecologix. As for paper mill wastewater treatment, pulping wastewater is the most difficult wastewater to be treated in the papermaking industry. The quality of wastewater is generated different in each factory due to the raw materials and production processing. Paper and pulp industry manufacturing and treatment processes. The paper machines can draw wet or slush pulp direct from a baled pulp or paper mills from related pulp mills, and from waste paper plants. Water is needed to make paper pulp out of fibers such as cellulose, wood or recovered paper. Paper and pulp manufacture wastewater treatment the paper industry uses very high volumes of process water for pulp preparation and bleaching among other processes. As negative aspects of these processes, the high investment and operating costs a common feature to all processes and their main problem. The pioneer in using mfc technologies for the treatment of the pulp and paper industry wastewater was the logan group from pennsylvania state university. Reuse the pulp and paper industry wastewater by using.

Recycling can concern up to 100% of the sludge and 50 to 100% of water for a plant using old paper. Paper industry wastewater during pulp and paper making process many manufacturing techniques can be used, and these have a major role to indicate the quantity and composition of the waste stream. The effluent guidelines are incorporated into npdes permits for direct dischargers direct dischargera point source that. Some facts and figures by by 2012, the paper industry hopes to recover 55 percent of all the paper americans consume. As the bleaching cycle increasingly uses a pure o 2, it is of interest to also consider using pure o 2 in the activated sludge because of the following advantages. The pulp and paper industry consumes enormous amounts of water and natural resources and is also one of the largest effluents generators. Baggase, hemp, straw are also used composition of the pollutants in the effluent depends on the raw material used. Limits and perspectives of pulp and paper industry wastewater. Pdf treatment of pulp and paper industry wastewater by. Pulp and paper industrymanufacturing process, wastewater.

An estimated two trillion gallons of wastewater are discharged annually by the pulp and paper industry, much of which is highly colored. Waste water treatment technologies and practices in indian. If recycled paper is used a further stage is involved to remove the ink paper and pulp manufacture wastewater. Pulp and paper mill wastewater was collected from the wastewater treatment plant equalization tank of a paper mill in penang, malaysia, in accordance with astm e 30003. Before the 1970s, wastewaters from the pulp and paper mills were normally discharged directly to the rivers or lakes, without any treatment or even a rough primary treatment.

Tcf or ecf type outputs see paper mills and the paper pulp industries produce more easily biodegradable effluent because it contains less or no lignin chlorine derivatives. Before, when it came to industrial wastewater treatment, malaysian corporations usually relied on foreign experts to design and build the treatment. The environmental problems of pulp and paper industry are not limited by the high water consumption. The use of hybrid anaerobicaerobic systems for wastewater treatment under optimized operating conditions was shown to be the most appropriate option for pulp and paper industry to obtain a satisfactory treatment performance, reduce ghg emission and energy costs, and meet environmental regulations. The first approach was described by huang and logan in 2008. The various types of pulp are blended when slush pulp passes to the stock preparation section. Pdf treatment of pulp and paper industry wastewater by using. In a modern plant four types of effluent can be discerned. This paper describes characteristics of pollutants in wastewater from the pulp and paper industry and biological technologies for the wastewater treatment. High amounts of fresh water are needed for the production processes in paper and pulp industries, with a high environmental impact and the result of enormous costs. Wastewater treatment in the pulp and paper industry. Pdf wastewater treatment in the pulpandpaper industry. Perspectives on membrane bioreactor potential for treatment. Pulp and paper production has increased globally and will contribute to increase in the near future.