Cleaner production concepts for chemical processing of si
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The document discusses cleaner production concepts for chemical processing of silk. It defines cleaner production as a preventative approach to environmental management that applies preventative measures for environmentally friendly production to increase process efficiency and reduce risks. Some key applications discussed are conserving raw materials, water and energy and reducing toxicity of emissions and wastewater. The benefits outlined are reduction in raw material and energy consumption, less waste generation, lower treatment costs, and improved efficiency and product quality. Pollution prevention through source reduction rather than treatment is positioned as the best strategy. Various pollution prevention techniques for the silk processing industry are also highlighted.
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This work is the output of one textile artist who has worked in many formats, some of which served as the foundation for patchwork quilt design classes taught since 2002 in the USA, Australia, France, England, Kenya, Canada, Kuwait and South Africa, as well as online for Quilt University and QuiltEd Online.
Throughout the works presented here are commonalities of style and presentation leading to a conclusive series of work called “Redefinitions.” This series falls back to the origins of fabric patchwork as it explores the use of freehand and controlled cutting and piecing coupled with accenting linear elements and dense quilting.
Amongst all pieces, two fabrics prevail - silk and cotton - sometimes augmented with synthetic “fancies.” Many fabrics were hand painted, dyed, stamped or stenciled by the artist. Most piecing and quilting was done by machine, although instances of decorative or functionally required hand work can be found. Most beading was done by hand.
Conceptual in theory, these works raise patchwork quilting to the level of fine art.
For more information, contact Dena Dale Crain at http://www.denadalecrain.com.
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Govind Life cycle of silk moth
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Prospects of Textile Sector in BANGLADESH
This document provides an overview of Bangladesh's textile sector, including its history and current state. Some key points:
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"SILK" in the Indian subcontinent is a luxury good
Silk in the Indian subcontinent is a luxury good. In India, about 97% of the raw silk is produced in the five Indian states of Karnataka, Andhra Pradesh, Tamil Nadu, West Bengal and Jammu and Kashmir.
Matka is an Indian term for rough handloom silk fabric made from very thick yarns spun out of pierced cocoon in the weft and organize in a warp.
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Eco-Fashion: Evaluating Sartorial Sustainability
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Combine use of m aterials
I. Man-made materials are obtained through chemical processes and include materials like metal, plastic, and glass.
II. Natural materials come from plants, animals, and rocks and include materials like leather, fur, silk, and rubber.
III. While some natural materials like rubber can become man-made through processing, materials like plastic and metal are solely man-made through chemical means rather than being derived from nature.
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"SILK" in the Indian subcontinent is a luxury good
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The document summarizes characterization and treatment of effluents from textile chemical processing. It discusses that textile effluents are diverse in nature and contain a large variety of organic and inorganic materials. Common effluent treatment plants are suggested for small units to share costs. Water pollution is highest for the textile industry due to large water consumption. Effluent treatment includes primary, secondary and tertiary steps. Reverse osmosis is an efficient tertiary treatment but is capital intensive. Waste minimization through cleaner production is emphasized for pollution prevention and reduction in treatment costs.
Textile effluents dbt meeting 16.1.2006
The document discusses characterization and treatment of effluents from textile chemical processing. It notes that textile effluents are diverse in nature and contain a large variety of organic and inorganic materials used in various textile processes. Common effluent treatment methods discussed include primary treatment like screening, equalization and neutralization, secondary biological treatments, and tertiary treatments like adsorption and reverse osmosis. The document emphasizes the importance of pollution prevention through waste minimization techniques over end-of-pipe treatment. It provides some cleaner production and waste reduction options for the textile industry.
Textile effluents dbt meeting 16.1.2006
The document discusses characterization and treatment of effluents from textile chemical processing. It notes that textile effluents are diverse in nature and contain a large variety of organic and inorganic materials used in various textile processes. Common effluent treatment methods discussed include primary treatment like screening, equalization and neutralization, secondary biological treatments, and tertiary treatments like adsorption and reverse osmosis. The document emphasizes the importance of pollution prevention through waste minimization techniques over end-of-pipe treatment. It provides some cleaner production and waste reduction options for the textile industry.
Textile effluents dbt meeting 16.1.2006
The document discusses characterization and treatment of effluents from textile chemical processing. It notes that textile effluents are diverse in nature and contain a large variety of organic and inorganic materials used in various textile processes. Common effluent treatment methods discussed include primary treatment like screening, equalization and neutralization, secondary biological treatments, and tertiary treatments like adsorption and reverse osmosis. The document emphasizes the importance of pollution prevention through waste minimization techniques over end-of-pipe treatment methods. It provides some cleaner production and waste reduction options for the textile industry.
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Green chemistry and Sustainable development.pptx
Ppt about green chemistry , sustainable chemistry , sustainable development , reactions in sustainable development, organic synthesis via green chemistry and sustainable development.
Pollution control and waste minimization
Pollution prevention (P2) aims to reduce or eliminate pollution at its source through practices like increasing energy efficiency, using renewable fuels, reducing agricultural inputs, and modifying industrial processes to produce less waste. P2 benefits the environment by lowering pollution hazards and conserving resources, and benefits financial costs by reducing waste management expenses. Waste minimization also aims to reduce hazardous wastes through practices like careful chemical handling, solvent reuse, and neutralizing byproducts. While waste minimization focuses specifically on hazardous waste, pollution prevention more broadly addresses reducing all toxic releases to air, water and land.
Green Chemistry
The design of chemical products and processes that reduce or eliminate the use and generation of hazardous substances. Green Chemistry moves our consideration of how to deal with environmental, health and safety problems from the circumstantial to the intrinsic.
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2. textile effluents dbt meeting 16.1.2006
The document discusses characterization and treatment of effluents from textile chemical processing. It notes that textile effluents are diverse in nature and contain a variety of organic and inorganic materials used in various textile processes. Common effluent treatment methods discussed include primary treatment like screening and neutralization, secondary biological treatment using activated sludge or oxidation ponds, and tertiary treatments like adsorption or reverse osmosis. It emphasizes the importance of waste minimization techniques to reduce pollution at source.
Omar versionv2
This is a revised Presentation with New Order of Slides - Dont' focus on the content but on the order and titles - let's discusss
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Green chemistry is the design of chemical products and processes that reduce or eliminate the use or generation of hazardous substances. Green chemistry applies across the life cycle of a chemical product, including its design, manufacture, use, and ultimate disposal
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3. Examples of pollution prevention strategies for different industries, including process changes, water reuse, and cleaner production methods for textiles, sugar, and pulp/paper mills.
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The Greening of Reusable Textiles
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Green chemistry
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Air pollution prevention and control lecture 2018
The document discusses various strategies for air pollution prevention and control, with a focus on strategies for controlling nitrogen oxides (NOx) and sulfur dioxide (SO2) emissions. It describes several methods for NOx control including fuel denitrogenation, combustion modification, selective catalytic reduction, and selective non-catalytic reduction. For SO2 control it discusses flue gas desulfurization systems like limestone scrubbing, lime scrubbing, and spray drying, as well as changing to lower sulfur fuels. The document provides details on the chemistry and processes involved in different pollution control methods.
Recycle Solution - Reduce E-Factor for Pharma Intermediates by 90%
This document discusses reducing waste in pharmaceutical manufacturing through green chemistry solutions. It presents a case study where a company called Newreka was able to reduce the E-Factor, a measure of waste generation, by 90% for an anti-retroviral drug by implementing green chemistry processes. This included recycling aqueous and solvent streams, improving yields, replacing hazardous solvents, and decreasing fresh water usage. The solutions improved economics, environmental impact, and safety while enhancing product quality. The document also outlines opportunities for green chemistry in industries like pharmaceuticals that produce large volumes and waste.
GREEN SUPPLY CHAIN- updated
1. The document defines a green supply chain as the process of using environmentally friendly inputs and transforming them in a way that improves the existing environment or allows byproducts to be recycled.
2. The goals of a green supply chain include encouraging suppliers to develop sound environmental management systems, working with green suppliers to reduce non-value added activities and environmental impacts, and transferring pollution prevention technologies.
3. Pollution prevention aims to reduce waste by volume or toxicity prior to disposal through reduction, recycling, and waste treatment methods. This benefits companies by lowering costs and environmental liabilities while enhancing their public image and competitive advantage.
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Recycle Solution - Reduce E-Factor for Pharma Intermediates by 90%
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Dyeing of polyester
The document discusses various methods for dyeing polyester fibers, including:
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2) Carrier dyeing uses compounds to swell the fibers and allow deeper dye penetration.
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The document discusses various digital printing technologies, focusing on inkjet printing methods. It describes two main inkjet technologies: continuous inkjet (CIJ) and drop-on-demand (DOD). CIJ uses a continuous stream of ink broken into droplets through pressure, while DOD only deposits ink droplets when needed in response to digital signals. Common DOD methods are thermal bubble jet and piezoelectric, with the latter providing higher resolution and suitability for wider ranges of inks. The technologies each have advantages and limitations for different applications like textile printing.
93, 94 introduction to digital printing
This document compares and contrasts analog and digital printing technologies. It discusses the advantages and disadvantages of each, such as analog printing being better for mass production while digital is more suitable for variable, personalized, or short print runs. The document also examines factors to consider when choosing a printing method like image quality, production speed, and cost. Additionally, it describes how some systems combine analog and digital to leverage the strengths of both.
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Digital printing offers several advantages over conventional analog printing methods for textiles. It allows for mass customization and quick turnaround due to minimal press setup times. Digital printing can change color schemes or designs in real time during production. It also produces less waste and has a lower environmental impact than screen printing. However, digital printing has lower throughput than analog methods and higher costs for long runs. It also requires specially coated substrates and has limitations in ink color options and opacity.
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