dust control, کنترل گرد و غبار
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Calcium chloride and magnesium chloride are commonly used to control dust on dirt roads. They are able to absorb moisture up to 17 times their weight, helping to suppress dust. Calcium chloride dust control fluid, with the trade name DC400, is made from evaporating brine and is 100% natural and harmless for the environment. It can help control dust without negative effects on plants, water, air quality, or animals.
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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.
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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.
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dust control, کنترل گرد و غبار
- 1. RABIN INTERNATIONAL TRADING Dust Control Control Dusts In Dirt Roads www.ritg.ir ▒▒ Dust Control One of the most common uses of Calcium Chloride and Magnesium Chloride is to control dusts in dirt roads. Both of these compositions are able to absorb humidity. Calcium chloride is able to absorb humidity up to 17 times of its weight in relative humidity of 95%. This is the basis of these two compositions' work of controlling dusts in dirt roads. The scientific name of this composition is DC400 which stands for Dust Control. The number 400 in the name refers to the density of calcium chloride. Environmental Advantages of Using Calcium Chloride and Magnesium Chloride Fluid for Controlling Dusts In the following table, calcium chloride and magnesium chloride (the original composition of the fluid) are analyzed based on environmental factors. Something that should be noted regarding the environmental advantages of this fluid is that it is obtained from evaporation of brines. Thus, it is 100% natural and its composition is harmless for the environment. ▒▒ As it is evident in the table, Calcium Chloride and Magnesium Chloride are harmless for environment. They may be flowed when it rains. In that case, it has no effects on the plants and Calcium Chloride may serve as fertilizer. Currently, oil mulch (made of oil wastes) is used to control dusts. It may be harmful for farms. Some chemical materials used in its composition are also harmful for environment. Dusts, in addition to causing increase in some respiratory disease, cause damages to agricultural products. Sandstorms cause schools, airports, offices, etc. to be closed and, thus, make economical loss. This liquid is composed of Calcium Chloride and Magnesium Chloride which is considered environmentally friendly comparing to other materials used for dealing with dusts. Using this fluid is effective in preventing dusts in decreasing PM10 and PM2.5. The Fluid Can Effectively Promote Vegetation Promotes solid's structure; increases permeability Promotes solid's structure; increases permeability Environmental Effect Increase of Chlorine in water Increase of Chlorine in water Water quality and aquatics' life No effect No effect Air Quality Promotes solid's structure; increases permeability Promotes solid's structure; increases permeability Solid Little influence Calcium Nitrate is used as fertilizer Green Little/no influence Little/no influence Animals