2 edition of Toxicity and treatment of de-inking wastes containing detergents found in the catalog.
Toxicity and treatment of de-inking wastes containing detergents
D. W. Martens
Bibliography: leaf 24.
|Statement||by D. W. Martens, R. W. Gordon and J. A. Servizi.|
|Series||International Pacific Salmon Fisheries Commission. Progress report ;, no. 25, Progress report (International Pacific Salmon Fisheries Commission) ;, no. 25.|
|Contributions||Gordon, R. W., joint author., Servizi, J. A., joint author.|
|LC Classifications||SH346 .I62 no. 25, SH177.D48 .I62 no. 25|
|The Physical Object|
|Number of Pages||24|
|LC Control Number||76362329|
Adsorption is a surface phenomenon with common mechanism for organic and inorganic pollutants removal. When a solution containing absorbable solute comes into contact with a solid with a highly porous surface structure, liquid–solid intermolecular forces of attraction cause some of the solute molecules from the solution to be concentrated or deposited at the solid surface. The comparison of the data reveals the pronounced acute aquatic toxicity of all surfactants with EC/LC50 values in the range of about 1–10 mg/l. This is a concentration range which could really be achieved in surface waters if the surfactant-containing sewage is not biodegraded beforehand in wastewater treatment plants (WWTPs) .
There is a type of detergent used in some products that breaks down to an endocrine disrupting chemical during the waste treatment process or after waste is discharged into receiving waters. The detergent is called nonylphenol ethoxylate (NPE), and the endocrine disruptor is nonylphenol (NP). Non-ionic and anionic surfactants: the potent irritancy of anionic surfactants can be due to their surface-active properties or ability to denature proteins, including enzymes, but it is likely to be more closely related to their effects on adsorptive properties on the surface of the skin are of considerable importance as a primary factor in the initiation of skin roughness .
Hazardous-waste management - Hazardous-waste management - Treatment, storage, and disposal: Several options are available for hazardous-waste management. The most desirable is to reduce the quantity of waste at its source or to recycle the materials for some other productive use. Nevertheless, while reduction and recycling are desirable options, they are not regarded as the final remedy to the. Most homes and businesses send their wastewater to a treatment plant where many pollutants are removed from the water. Wastewater treatment facilities in the United States process approximately 34 billion gallons of wastewater every day. Wastewater contains nitrogen and phosphorus from human waste, food and certain soaps and detergents.
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Get this from a library. Toxicity and treatment of de-inking wastes containing detergents. [D W Martens; R W Gordon; J A Servizi]. D.W. Martens, R.W. Gordon, J.A.
Servizi - Toxicity and Treatment of De-Inking Wastes Containing Detergents. (International Pacific Salmon Fisheries Commission Progress Report No. 25). Treatment of wastewater contaminated with detergents and mineral oils using effective and scalable technology.
Abdelmoez W(1), Barakat NA, Moaz A. Author information: (1)Chemical Engineering Department, Faculty of Engineering, Minia University, El-Minia, Egypt E-mail: [email protected] by: 5.
Waste printed, cellulosic fibrous material is deinked by using a biodegradable de-inking agent which is non-toxic to aquatic life, said agent comprising an ethoxylated aliphatic mono-ol having about carbon atoms in the aliphatic chain and about ethyleneoxy units per mole of said mono-ol or an ethoxylated aliphatic di-ol having from 14 to 30 carbon atoms in the aliphatic chain and Cited by: Toxicity of Detergents Trout, animals.
Wastes containing. the treatment of soap and detergent. industry wastes but, in general, not : Parvin Moussavi. A Collection of Solid Waste Resources on CD-ROM Publicaciones en Español Environmental Fact Sheet: Treatment Standards Proposed for Toxicity Characteristic (TC) Metal and Mineral Processing Wastes (Text File) (5K).
Acute Toxicity at Three Primary Sewage Treatment Plants. New Westminster, B.C. Date added: December Download Preview. pdf. IPSFC Progress Report Toxicity and Treatment of De-Inking Wastes Containing Detergents.
New Westminster, B.C. The toxic effect of the anionic detergent (surfactant) has also been reported by Dehelean et al. (), to cause reduction in blood parameters and weight loss. The reduction in the blood parameters was as a result of destruction of the cells of the mice by the surfactant and traces amount of heavy metals found in detergents (Abulude et al.
The toxicity of 39 laundry detergent components including surfactants, enzymes, builders, fabric brighteners, fillers, and coloring agents to the cladoceran Ceriodaphnia cf. dubia was determined. The difference between the most and the least toxic components was approximatfold and 1,fold for the mg/L and mmol/L EC 50 data, respectively.
Treatment of Soap and Detergent Industry Wastes Constantine Yapijakis The Cooper Union, New York, New York, U.S.A. Lawrence K. Wang Zorex Corporation, Newtonville, New York, U.S.A., and Lenox Institute of Water Technology, Lenox, Massachusetts, U.S.A.
INTRODUCTION Natural soap was one of the earliest chemicals produced by man. Basing on the obtained results of experiments performed on an large laboratory scale, a new technology of neutralization of industrial waste waters containing detergents and other toxic, organic substances in high concentrations, was work out.
KEYWORDS Z. Gorzka and M. Kazmierczak Neutralization of industrial waste waters ; catalytic. Note: Some of these soap-based laundry detergents may leave a residue on clothing if used incorrectly, but it is nothing like the residue from commercial toxic detergents.
Any of these methods in combination, or alone will prevent or correct buildup: add washing soda, baking soda, or borax to the wash cycle and add vinegar or citric acid to the.
This book is based on recent views, ideas and contributionsof some of the world's leading ecologists, with special reference to comprehensiveinformation on water pollution, regarding their source, effects and control. Some of thecommon methods used for wastewater treatment, including sewage treatment anddrinking water purification, have also been discussed in this book.2/5(2).
After treatment, most of treatment could reduce the toxicity. Nevertheless, the effluent gave slight toxicity on some test species which might be caused from chlorination and a common toxicant.
The main contributors to the toxicity of detergents were the sodium silicate solution and the surfactants-with the remainder of the components contributing very little to detergent toxicity. The potential for acute aquatic toxic effects due to the release of secondary or tertiary sewage effluents containing the breakdown products of laundry.
The acute toxicity of three formulations of commercial detergent (ROMA®, FOCA® and BLANCA NIEVES®) was evaluated using the polychaete Capitella sp. C in static bioassays over a h exposure period. The probit method was used to determine the median lethal concentration (LC50) of each formulation as a whole as well as the LC50 of the active ingredient, linear alkylbenzene.
Preventing exposure to toxic chemicals is a primary concern at hazardous waste sites. Most sites contain a variety of chemical substances in gaseous, liquid, or solid form.
These substances can enter the unprotected body by inhalation, skin absorption, ingestion, or through a puncture wound (injection). Drain cleaners typically contain lye (sodium hydroxide) or sulfuric acid. Either chemical is capable of causing an extremely serious chemical burn if splashed on the skin.
They are toxic to drink. Splashing drain cleaner in the eyes may cause blindness. Laundry Detergent. Laundry detergents contain a variety of chemicals. Ingestion of cationic.
A printed waste paper de-inking composition for use in the "washing" process is disclosed containing: (A) a salt of a fatty acid present in an amount of between 15% and 32% based upon the weight of the entire composition; (B) a nonionic ethoxylated and/or propoxylated surfactant present in an amount between 5% and 25% based upon the weight of the entire composition; (C) an anionic surfactant.
Ingestions of household soaps and detergent products account for 4% of all cases reported to the National Clearinghouse for Poison Control Centers.
One death has been reported. Although these preparations have a low order of toxicity, their misuse may. Urban areas, characterized as areas with a high population density, generate large amounts of liquid and solid waste streams.
Without proper treatment, these waste streams accumulate in the. The effects of detergents on the environment include the release of substances toxic to humans and other organisms in waste water and the carbon footprint involved in the manufacture of detergents.
Additionally, the containers used to store detergents are often not. Detergents are powerful cleaning products that may contain strong acids, alkalis, or phosphates. Cationic detergents are often used as germ-killing cleansers (antiseptics) in hospitals. Anionic detergents are sometimes used to clean carpeting.
Detergent poisoning occurs when someone swallows cationic or anionic detergents.