Cellulose is used for making paper because it is a long fiber that can be easily dispersed in water, and easily forms entangled mats when dried. Biopulping needed in the industry since delignification process can be. The bacteria feeds on nutrients in minerals, thereby separating the. Pulp is produced from wood by either chemical delignification, mechanical. Annele hatakka university of helsinki, viikki biocenter, department of applied chemistry and microbiology, p. Past consortia research work has demonstrated the technical feasibility of this technology on a laboratory scale. Biopulping is the concept of deliberately harnessing white rot fungi for pulping. Analisis genetik mempelb fkklajari bagaiman sifatkarakter atau gene diwariskan dari generasi ke generasi dan baggg ggaimana gen dan lingkungan berinteraksi untuk menghasilkan suatu sifat. Elsewhere, bioethical traditions go back even further. Contents requirements processes waste generation points characteristics of ww treatment schemes characteristics of treated ww innovative technology reff. Lignin degradation by whiterot fungi has been intensively studied during the last thirty years in relation to biotechnical applications such as biopulping. Innovative solutions to control the pulping process.
The socioeconomic importance of paper has its own value to the countrys development as it is directly related to the industrial and economic growth of the country. Biopulping treatment of woodchips with a fungus uses enzymes to selectivity degrade lignin and to break down wood cell walls. Biopulping has now been scaled up to near industrial levels, and the overall conclusion ofthe consortium effort was that biopulping works. There are great economic benefits in the use of filamentous fungi and there is a great potential for these organisms to produce novel items. Some of them selectively degrade the lignin component, which is what chemical pulping processes accomplish.
Introduction the pulp and paper industry is one of indias core sector industries. The application of industrial biotechnology to pollution. Biopulping can be an alternative to the traditional methods of pulping. The contribution of biotechnology to our daytoday life. Bioleaching application of biotechnology in mining industry. Biopulping use fungi that are known to be able to degrade wood as well as lignin constituent of wood. Save powerpoint presentations as pdf files office support. Acknowledgments this is the final report of biopulping consortium i, a 5year research and information program involving the usda forest service, forest. The research focused on mechanical pulping, specifically on energy savings for the pulping itself, and on paper properties.
In microbial leaching or bioleaching metals can be extracted from large quantities of low grade ores this process has been used for centuries to recover copper form the drainage water of mines the role of microbes in the bioleaching came into notice some 40 years ago. Biopulping is reaching pulpmill implementation, but little is known about the chemical and biochemical basis of the biopulping benefits. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Lesson prepared under mhrd project national mission on. Biopulping is defmed as the treatment ofwood chips with lignindegrading fungi prior to pulping. The term bacillus has been applied in a general sense to all cylindrical or rodlike bacteria. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Comparison between biopulping and chemical pulping processes based on. Wood decay, fungi, stain and mold new england kiln drying association spring 2011 meeting april 7, 2011 oneonta, new york susan e. This is the biopulping international company profile.
It colonizes either on living or dead wood and decomposes all wood polymers including. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Phanerochaete chrysosporium, mechanical pulping, solid substrate fermentation, bioreactor. Biopulping adalah teknologi ramah lingkungan yang terinspirasi dari proses pelapukan kayu dan sampah tanaman oleh mikroorganisme. In the west, bioethics goes back some 2500 years, to the time of hippocrates. Dental pulp interstitial fluid isf and exchange of substances between plasma and isf. The fungus is non sporulating and is a selective lignin degrader. Convert and create pdf from various types of files like word doc, excel xls, powerpoint ppt. These results have changed the aims of biopulping from an emphasis on removing the bulk of lignin to an emphasis on a shortterm process, lasting 2 weeks and yielding a low mass loss. Under print quality paper pdf, set the desired quality to an option of your choice. In the powerpoint preferences dialog box, click general. Biopulping, in the form of pretreatment of wood chips prior to conventional pulping, offers the potential for both economic and environmental benefits.
Its concept is based on the ability of a restricted number of whiterot fungi to colonize and degrade selectively the lignin in wood, thereby leaving cellulose relatively intact. Use of white rot fungus phanerochaete sordida yk624 has been studied to remove lignin in unbleached hardwood kraft pulp and as a biobleaching agent kondo et al. It is modern in the sense that the techniques are applied mainly to cells and molecules. Fungal pretreatment prior to mechanical pulping reduces. Nancy kravit tethys research llc the process development center at the university of maine research introduction wood contains cellulose, hemicellulose and lignin. Ppt indicators for a knowledgebased economy powerpoint. Degradasi degradasi adalah suatu reaksi perubahan kimia atau peruraian suatu senyawa atau molekul menjadi senyawa atau molekul yang lebih sederhana. All content is posted anonymously by employees working at biopulping international. Biopulping is defined as the fungal pretreatment of wood chips for production of mechanical or chemical pulps introduction. As an alternative to smelting or roasting, miners use bioleaching when there are lower concentrations of metal in ore and they need an efficient, environmentally responsible method to extract it. Past work on biopulping has been minimal, but generally encouraging. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Biopulping has the potential to improve the pulping process, reducing the energy costs ofthese important customers and enhancing their competitiveness therefore, the ecw agreed to provide the funding needed to scale up biopulping towards industrial levels.
Biopulping of lignocellulosic material using different. Delignification of rice straw with ligninase from novel penicillium. Adalah teknologi ramah lingkungan yang terinspirasi dari proses pelapukan kayu dan sampah tanaman oleh mikroorganisme. Chemistry, the university of tokyo, 2001 and the best poster presentation on the first. Biopulping of bagasse and eucalyptus by cryptococcus albidus introduction the pulp and paper sector represents one of the energy intensive and highly polluting sectors within the indian economy and is therefore of particular interest in the context of both local. In terms of stewardship, the population density in. Ppt bioteknologi powerpoint presentation free to view. The role of biotechnology on the treatment of wastes.
The rapid decrease in the arylether linkage contents easily estimated by the dfrcmethod found in residual lignins contained in biotreated samples relates well, at least, to the efficiency of the fungal. Data on these kinetics of fungal development and the degree of asepsis will help to scaleup the process. Left unchecked, these last colonizers, mostly whiterot fungi, eventually decompose the wood to carbon dioxide and water. Its application in bioprocesses such as bioleaching, biobeneficiation, bioremediation, biopulping, etc. The amylase has a threedimensional structure capable of binding to substrate and, by the action of highly specific catalytic groups, promote the breakage of the glycoside links. This treatment not only improves paper strength and remove wood extractives but also reduces the energy consumption in the process of pulping. Ceriporiopsis subvermispora, when grown on aspen or loblolly pine for 4 weeks, was found to be superior to other fungi.
Bacillus, genus bacillus, any of a group of rodshaped, grampositive, aerobic or under some conditions anaerobic bacteria widely found in soil and water. Biopulping of lignocellulosic material using different fungal species. Rokem encyclopedia of life support systems eolss few of the metabolites produced by industry. Teknikteknik dalam bioteknologi z fermentasi z analisis genetik z seleksi dan pemuliaan z analisis dna z kultur sel dan jaringan z rekayasa genetik atau rekombinasi dna.
Both bioethics and biotechnology have ancient and modern guises. Biotechnology, on the other hand, is as old as human civilization table 1. A schematic presentation of the tmp plant at upmkymmene rauma paper mill. Belgrade, 2 october 2008 indicators for a knowledgebased economy the oecd perspective martin schaaper oecd directorate for science, technology and industry a free powerpoint ppt presentation displayed as a flash slide show on id. Proses pelapukan dilakukan secara alami oleh beberapa jenis mikroba dan jamur, sehingga sampah dari pohonpohon yang telah mati akan kembali diserap oleh alam secara alami. Biotechnical methods for improvement of energy economy in. If next step is chemical treatment, result is 30% more lignin being removed and lower amounts of chlorine bleach used. Difficult and expensive methods are required for preventing environmental pollution and processing wastes. Follow these instructions to set the print quality of the pdf. Bioleaching is the use of bacterial microorganisms to extract precious metals, such as gold, from ore in which it is embedded.
Information obtained by immunoelectron microscopy and differential staining led to the conclusion that the biopulping effect obtained after 2 weeks of incubation cannot be explained by the direct action of enzymes on lignin or polysaccharides. Instead, a low molecular mass agent is considered to be responsible for the biopulping effect. Solidstate fermentation has emerged as a potential technology for the production of microbial products such as feed, fuel, food, industrial chemicals and pharmaceutical products. On aspen there was an energy savings of 47%, and an increase in burst and tear indices of 22. An international assessment of energy security performance fluidized bed kilns for the cement industry, and biopulping in the paper and pulp industry fukasaku, 1995. Industrial mycology encyclopedia of life support systems. Analisis genetik mempelajari bagaimana sifatkarakter atau gene diwariskan dari generasi ke. Biopulping is the fungal pretreatment of wood chips for the production of mechanical or chemical pulps.
The biopulping process, using a lignindegrading fungus as a pretreatment to pulping, was scaledup to near industrial levels. The biopulping effort now represents a broad convergence ofinterests, with government, researchers, the pulp and paper industry, and the energy community working towards a common goal. The biopulping effort now represents a broad convergence ofinterests, with government. Amongst these white rot fungi are the most proficient biodegrader. If next step is mechanical treatment, result is 3040% reduction in energy inputs. Pdf converter is a online webbased document to pdf converter software. New enzymes for biopulping forest bioproducts research. Biopulping is the concept of deliberately harnessing whiterot fungi for pulping. Abb offers a complete solution for pulp mills by providing expertise in power distribution to enforce the mills productivity, and control systems for monitoring the efficiency, and instrumentation to secure pulp quality. Anagnost suny college of environmental science and forestry syracuse, new york chair and associate professor department of.
152 1072 244 417 239 1445 828 624 91 345 1483 1509 1364 1193 1329 367 1429 976 777 883 111 888 1321 311 1103 967 1477 455 858 863 1512 594 675 1294 966 1087 1162 758 15 683 378 1260