Aqueous cleaning as an alternative to CFC and chlorinated solvent-based cleaning

by Carl D. D"Ruiz

Publisher: Noyes Publications in Park Ridge, N.J

Written in English
Cover of: Aqueous cleaning as an alternative to CFC and chlorinated solvent-based cleaning | Carl D. D
Published: Pages: 119 Downloads: 727
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Subjects:

  • Metal cleaning.,
  • Electronic apparatus and appliances -- Cleaning.,
  • Chlorofluorocarbons.
  • Edition Notes

    Statementby Carl D. D"Ruiz.
    Classifications
    LC ClassificationsTS654 .D78 1991
    The Physical Object
    Paginationvii, 119 p. :
    Number of Pages119
    ID Numbers
    Open LibraryOL1534612M
    ISBN 100815512856
    LC Control Number91012464

@article{osti_, title = {Solvent substitution for electronic products}, author = {Benkovich, M K}, abstractNote = {Allied-Signal Inc., Kansas City Division (KCD), manufactures the electrical, electrochemical, mechanical, and plastic components for nuclear weapons. The KCD has made a commitment to eliminate the use of chlorohydrocarbon (CHC) and chlorofluorocarbon (CFC) solvents . of dealing with the legacy of dry cleaning operations and other sources of chlorinated solvents is estimated to be in the billions of dollars. Treatment systems to remove PCE and other chlorinated solvents from groundwater may need to operate for decades. Except for petroleum USTs, it is difficult to estimate the cost of cleaning contaminated File Size: 1MB.   As opposed to petroleum-based organic solvents, chlorinated options are a minimal fire hazard. They are often used for surface cleaning and product formulations due to being extremely ignition resistant. The Environmental Protection Agency (EPA) has listed them as an acceptable alternative for ozone depleting substances in regards to this quality.   Concentrating on the five commonly encountered chlorinated solvents (perchloroethylene, trichloroethylene, methyl chloroform, carbon tetrachloride and CFC), forensic opportunities applicable to each are presented including the use of stabilizers, manufacturing impurities, surrogate chemicals and physical measurements and degradation 3/5(2).

and implement the alternatives to the chlorinated and fluorinated cleaning solvents. Several aqueous, semi-aqueous, and non-aqueous cleaning solvents and processes were evaluated, d-Limonene, a terpene, has been selected as the solvent of choice to replace TCE and FREON in electronic assembly cleaning. STATEMENT OF THE PROBLEM. Our line of chlorinated cleaners has been formulated to address the cleaning concerns of the food and beverage processing industries. Chlorinated cleaners can be used on an extensive range of surfaces and equipment, offering a streamlined system for deep cleaning your facility with confidence. Water-softening agents are often used in aqueous-based cleaning systems to “tie up” hard water salts that may Organic solvents that function as weak acids and bases may offer the best alternative to chlorinated hydrocarbons. Aqueous cleaning as an alternative to CFC and chlorinated solvent based cleaning. Park Ridge, N.J.: Noyes. due to the phaseout of ozone-depleting solvents (ODS) such as CFC, HCFCb, and 1,1,1-trichloroethane that were; Advantages of Solvent vs. Aqueous Cleaning 3M It can replace ozone depleting solvents such as CFC and exhibits rapid cleaning and fast evaporation rates.

Mr Risotto estimates that about two-thirds of the market will convert to aqueous or water-based cleaning. The remaining one-third will be split among vapor degreasing with non-phaseout chlorinated solvents, semi-aqueous or hydrocarbon immersion cleaning, and other alternative cleaning methods. Chlorinated Solvents –What’s Next Be aware of chlorinated solvents in new products submitted for approval. Investigate replacement products that contain no chlorinated solvents or less harmful versions. Continue to be mindful of flammability. Investigate more natural products (citrus, etc.)File Size: 90KB. FAC effectively represents the disinfecting power in an aqueous (water-based) solution. A Comparison One gram of pool chlorine (65 percent calcium hypochlorite), dissolved in 1 liter of water, would provide a FAC level of grams per liter, whereas the same amount of household bleach (6 percent sodium hypochlorite) dissolved in the same. Chlorinated Solvent Impact and Remediation Strategies for the Dry Cleaning Industry EPA Grant Number: RC Subproject: this is subproject number , established and managed by the Center Director under grant R (EPA does not fund or establish subprojects; EPA awards and manages the overall grant for this center).

Aqueous cleaning as an alternative to CFC and chlorinated solvent-based cleaning by Carl D. D"Ruiz Download PDF EPUB FB2

This book discusses the technical feasibility of aqueous cleaning as a substitute for chlorofluorocarbon (CFC) and chlorinated solvent cleaning in the metal and electronics industries, and, further, assesses the market prospects for this technology based on its performance characteristics and current trends in environmental Edition: 1.

Aqueous cleaning as an alternative to CFC and chlorinated solvent-based cleaning. Park Ridge, N.J.: Noyes Publications, © (OCoLC) Material Type: Internet resource: Document Type: Book, Internet Resource: All Authors / Contributors: Carl D D'Ruiz.

Aqueous cleaning is the main focus of this Guidebook as it is probably the most popular choice for companies switching away from chlorinated solvents. Because aqueous cleaning is not always an option, information is also offered on semi-aqueous, alternative solvents, abrasives and new or highly specialized by: 1.

Being Agnostic to the Best Cleaning Option Solvent vs Aqueous Cleaning Presented by: Mike Valenti, Product Manager - Cleaners Aqueous Degreaser(KWh) Deionize & Heat Water 0 1 Operate Degreaser 4 8 Drying 0 5 Waste Water Treatment 0 4 Water Hydrocarbon Solvents Fluorinated Solvents Chlorinated Solvents.

Aqueous Cleaning. Aqueous Cleaning As An Alternative To Cfc And Chlorinated Solvent-based Cleaning. $ Cleaning with Solvents: Science and Technology eBook: View Product Details.

Solvent Substitution for Pollution Prevention. Product Type: Book. Edition: 1. First Published: Hardcover: View Product Details. Aqueous Cleaning as an Alternative to CFC and Chlorinated Solvent-Based.

In Adhesives Technology Handbook (Second Edition), Solvent Cleaning. Solvent cleaning is the process of removing soil from a surface with an organic solvent without physically or chemically altering the material being cleaned. This includes various methods such as vapor degreasing, spraying, immersion, and mechanical or ultrasonic scrubbing.

This book discusses the technical feasibility of aqueous cleaning as a substitute for chlorofluorocarbon (CFC) and chlorinated solvent cleaning in the metal and electronics industries, and. • Never mix chlorine bleach or any product containing chlorine bleach with ammonia, ammonia-based products or acidic products.

The combination can be dangerous or even deadly. • Keep chlorinated cleaning products away from food. • Store cleaning products in. The gas–liquid mixture has the kinetic energy to very effectively remove surface contaminants.

This method can also be used for cleanliness verification. Both methods use very low volumes of aqueous liquids and are viable alternatives to solvent cleaning in many by: 3.

A solvent based cleaner is always ideal for cleaning polar contaminants, while hydrophilic contaminants require the use of an aqueous cleaner solution.

Not only are our solvent based cleaners adept in cleaning the toughest contaminants off of parts while removing any metal chips, they also protect against corrosion and provide temporary rust.

What is aqueous cleaning, then. Aqueous cleaning uses water as its primary solvent. The following may be added as well: surfactants and detergents, emulsifiers, inhibitors, anti-foaming agents, PH buffers, builders, deflocculants, and chelating agents.

By altering the PH of the aqueous solution, it can more effectively remove different substances. An aqueous, biological metal-cleaning process operating under mild conditions (pH 9, 42°C) eliminates the use of environmentally unfriendly cleaning materials such as chlorinated solvents by.

solvent-based cleaners as "hazardous". Cradle to grave waste responsibility is another reason manufacturers are trying to replace chlorinated solvents in their cleaning processes. Because of these factors, there now is a world wide effort to reduce and/or eliminate the use of chlorinated solvents for industrial cleaning.

alternative to organic solvents now being used. Alkaline cleaning is an age-old technology used extensively throughout the industry. Recently, the use of alkaline cleaners has increased due to the growing awareness of environmental and personnel safety concerns associated with chlorinated andCited by: 1.

Cleaning parts and surfaces with solvents is simple, effective and low-cost. Although health and safety and environmental concerns come into play with the use of solvents, this book explores how safe and compliant solvent-based cleaning techniques can be implemented.

A key to this is the selection of the right solvent. "Aqueous Clean Does Work", Steven M. Nourie, American Metal Wash, Inc.

Paper presented at the International Conference on CFC Alternatives, Baltimore, MD, December"A New Semi-Aqueous Alternative To 1,1,1-Trichloroethane In Metal Cleaning", Felipe A. Donate and James G. Papajesk, The Dow Chemical Company.

The use of aqueous based cleaning systems is by far the most popular and environmentally conscious solution to elimination of chlorinated solvent use. Aqueous cleaning methods have advanced far beyond the "good old soap and water" systems of a century ago into modem, effective cleaning methods.

The change from vapor degreasing to aqueous. years experience with aqueous-cleaning technology by the staff of Alconox, Inc., a leading developer and supplier of aqueous-cleaning detergents.

In its pages you will find handy, easy-to-read summaries of what aqueous cleaning is and how it works—its chemistry and mechanical properties.

This handbook also contains critical Alconox, Size: KB. The company evaluated alternative cleaners for economic and technical feasibility and potential worker health and safety impact. Ultimately, seven aqueous systems and two semi-aqueous systems replaced 36 of the 39 degreasers and reduced facility solvent use to less than 2 tons per year, and air emissions to less than 1 ton per year.

Evaluation of Alternatives to Chlorinated Solvents for Metal Cleaning by Karen B. Thomas Michael Ellenbecker Toxics Use Reduction Institute University of Massachusetts Lowell Lowell, Massachusetts CR Project Officer Paul Randall Sustainable Technology Division National Risk Management Research Laboratory Cincinnati, Ohio NATIONAL RISK MANAGEMENT.

and implement the alternatives to the chlorinated and fluorinated cleaning solvents. Several aqueous, semi-aqueous, and non-aqueous cleaning solvents and processes were evaluated. d- Limonene, a terpene, has been selected as the solvent of choice to replace TCE and FREON in electronic assembly cleaning.

STATEMENT OF THE PROBLEMFile Size: KB. Chlorinated solvents have been widely used for metal cleaning, urethane foam blowing, pharmaceutical manufacturing, paint stripping, cleaning printed circuit board components, and dry cleaning. Also effective in removing flux from printed circuit boards.

Industrial degreasers for metal cleaning and parts cleaning. Formulations are based on non-ozone depleting solvents. Also solvent- based, aqueous-based and also semi-aqueous- based products for a variety of cleaning applications on a host of substrates, both metallic and non-metallic. Aqueous cleaners are preferred over “traditional” solvent-based cleaners for a number of reasons.

Using aqueous cleaning agents reduce or eliminate environmental pollution and the human health and safety hazards that solvents can produce. @article{osti_, title = {Evaluation of commercially available aqueous batch immersion cleaning products.

Technical report}, author = {Bevilacqua, P and Clark, K G}, abstractNote = {With the production of Class I Ozone Depleting Substances scheduled to cease in Januaryit has become necessary to identify suitable replacements for chlorofluorocarbon (CFC, Freon ) vapor.

In vapor degreasing, the chlorinated solvent vapor is free of contaminants and invariably leaves the part clean. Even when the cleaning process includes a stage where the part is submerged in the solvent, the final stage always takes place in clean solvent vapor.

Semi-Aqueous, or Emulsion Cleaning A semi-aqueous line works much like an aqueous. Because of health and environmental concerns, many regulations have been passed in recent years regarding the use of chlorinated solvents.

The Oak Ridge Y Plant has had an active program to find alternatives for these solvents used in cleaning applications for the past 7 years.

During this time frame, the quantity of solvents purchased has been reduced by 92%.Author: L.M. Thompson, R.F. Simandl. Aqueous Cleaning as an Alternative to CFC and Chlorinated Solvent-Based Clean $ Free shipping Free shipping.

The Aqueous Cleaning Handbook: A Guide to Critical-Cleaning Procedures, $ Free shipping. Picture Information. Opens image gallery. Image not available Harry Potter Complete Book Series Special Edition Boxed Set Seller Rating: % positive.

Cleaning alternatives to HCFC “As a class, HCFCs were remarkable materials,” said David Ferguson. “They were the last group of cleaners that contained chlorine on the molecule, instead of blending a chlorinated solvent to a fluorocarbon to enhance solvency.” This characteristic gave them broad compatibility with moderate solvency.

The type of cleaning equipment needed should also be determined. According to “Fast Track to Rugged Aqueous Cleaning,” the three cleaning stages—wash, rinse and dry—aren’t always necessary for every operation. You should determine whether or not you need the rinse and dry cycles, and set a budget.In general, the efficiency of a chlorinated solvent decreases as the chlorination or the chain length of the organic radical increases.

Aqueous cleaning as an alternative to CFC and chlorinated solvent based cleaning Hahn, W., and P. ulz Evaluation of alternatives to toxic organic paint strippersPrepared for the.Chlorinated Solvents in Fractured Sedimentary Rock -- Naval Air Warfare Center (NAWC) Research Site, West Trenton, New Jersey.

Field Investigation of Natural Attenuation of Chlorinated Solvents -- Picatinny Arsenal, New Jersey. Microbial Degradation Pathways for Chlorinated Solvents. Microbial Degradation of Chloroethenes in Ground Water Systems.