Last edited by Jukazahn
Saturday, April 18, 2020 | History

3 edition of Assessment of alternative phenol recovery processes found in the catalog.

Assessment of alternative phenol recovery processes

  • 230 Want to read
  • 1 Currently reading

Published by Ontario Environment in [Toronto] .
Written in English

    Subjects:
  • Water chemistry.,
  • Phenols -- Environmental aspects -- Ontario.,
  • Phenols -- Analysis.

  • Edition Notes

    Other titlesIndustrial Waste Diversion Program final reports #1.
    Statementreport prepared for Waste Management Branch, Ontario Ministry of the Environment ; [prepared by Zenon Environmental Inc.].
    ContributionsOntario. Waste Management Branch., Zenon Environmental Enterprises, Ltd.
    Classifications
    LC ClassificationsQD341.P5 A87 1991
    The Physical Object
    Paginationvi, 62 p. :
    Number of Pages62
    ID Numbers
    Open LibraryOL23279206M
    ISBN 100772974810

    focuses on assessment of biological removal (biodegrada-tion) of phenol. Various factors influence the efficiency of biodegradation of phenol such as ability of the microor-ganism, enzymes involved, the mechanism of degradation and influencing factors. This study describes about the sources of phenol, adverse effects on the environment,Cited by: Learn phenol with free interactive flashcards. Choose from different sets of phenol flashcards on Quizlet. phenol (fē`nōl), C 6 H 5 OH, a colorless, crystalline solid that melts at about 41°C;, boils at °C;, and is soluble in ethanol and ether and somewhat soluble in water. An aromatic alcohol alcohol, any of a class of organic compounds with the general formula R-OH, where R represents an alkyl group made up of carbon and hydrogen in various proportions and -OH .


Share this book
You might also like
If there be thorns

If there be thorns

Death was in the picture

Death was in the picture

The demographic composition and economic circumstances of Winnipegs native population

The demographic composition and economic circumstances of Winnipegs native population

Childrens retreats

Childrens retreats

A tiger called Tomas

A tiger called Tomas

The Beauty Salon and Its Equipment (Science and the Beauty Business Series : Volume 2)

The Beauty Salon and Its Equipment (Science and the Beauty Business Series : Volume 2)

Plastering & dry lining yearbook.

Plastering & dry lining yearbook.

Human frailty and the 1871 Ballymacarrett rail accident

Human frailty and the 1871 Ballymacarrett rail accident

Someone special has died

Someone special has died

Old Michael and young Maurice, or, The country at all seasons

Old Michael and young Maurice, or, The country at all seasons

Development of the small farm economy in Taiwan

Development of the small farm economy in Taiwan

Zionism and the Jewish religion

Zionism and the Jewish religion

The earths problem climates

The earths problem climates

Otto Luening

Otto Luening

An Act respecting forgery

An Act respecting forgery

Assessment of alternative phenol recovery processes Download PDF EPUB FB2

Full text of "Assessment of alternative phenol recovery processes" See other formats P/ôi /S7S Industrial Waste Diversion Program Final Reports #1 ASSESSMENT OF ALTERNATIVE PHENOL RECOVERY PROCESSES JUNE Environment Environnement Ontario ISBN INDUSTRIAL WASTE DIVERSION PROGRAM FINAL REPORTS # 1.

Assessment of Alternative Phenol Recovery Processes Phase II - Pilot Scale Testing November INTRODUCTION Background CanadianOxy Chemicals Ltd.

owns and operates a phenol-formaldehyde plant in the City of Fort Erie, Ontario. Assessment of alternative phenol recovery processes. LC Subject Heading(s): Language(s): English. View full record, including digitization project details.

Read more about Assessment of alternative phenol recovery processes; Lake Couchiching environmental quality - Nutrient and water chemistry -- Pt.1 App.B - Nutrient and water. The greatest potential source of exposure to phenol is in the occupational setting, where phenol is used in manufacturing processes.

People are also exposed via consumer products, such as medicines and lotions, and some foods and tobacco smoke. Phenol has been found in drinking water.

The physical and chemical properties of phenol are shown in. Phenol was transferred to the caustic stripping phase to give a final phenol concentration in the treated waste less than wt%, whereas formaldehyde remained in the feed, thus providing the required selectivity.

Phenol recovery was attained after acidification of. tpd SRC-I Demonstration Plant, gas systems, phenol recovery system, non-proprietary version: design baseline package Technical Report Detailed process descriptions, including process flow diagrams, process unit balance sheets, equipment design factors and data sheets, and a cost estimate summary of a phenol recovery system are presented.

Method Phenols Promulgated The basic sample wash (Section ) may cause significantly reduced recovery of phenol and 2,4-dimethylphenol. The analyst must recognize that results obtained under these Guidelines for the use of alternative detectors are provided in Section 6. Reagents. EPA/ September (Revised October ) AN EXPOSURE AND RISK ASSESSMENT FOR PHENOL by Kate Scow Muriel Cover, Edmund Payne, Joanne Perwak Richard Thomas, Douglas Wallace, and Melba Wood Arthur D.

Little, Inc. Michael Slimak and Mark Mercer U.S. Environmental Protection Agency EPA Contract Task No. 21. A Preliminary Assessment of Phenol Contamination of Isebo River in South- Phenols formed as a result of natural processes during the composition of organic matter or synthesis of chlorinated phenols by fungi and plants have been reported (Swarts et al., ).

Phenol is an importantCited by: 1. Phenol is an aromatic organic compound with the molecular formula C 6 H 5 OH. It is a white crystalline solid that is molecule consists of a phenyl group (−C 6 H 5) bonded to a hydroxy group (−OH).

Mildly acidic, it requires careful handling because it can cause chemical burns. Phenol was first extracted from coal tar, but today is produced on a large scale (about Appearance: Transparent crystalline solid. The maximum daily total deposition of mg phenol/m 2 and the maximum hour concentration of phenol in air of mg phenol/m 3 were used in the hyperconservative assessment to estimate exposure in the field nearest to Company 1.

These values, predicted by the ISCST3 model, occur for only one day during a year period. Union Risk Assessment Report phenol EUR EN/1 OH CAS: EC: PL-1 64 Revised Edition. The mission of the IHCP is to provide scientific support to the development and implementation of EU polices related to health and consumer protection.

The IHCP carries out research to improve the. Phenol is a benzene ring with one hydroxyl group substituted for a hydrogen atom. It is usually prepared by the hospital pharmacy because it is not commercially available in premixed liquid form. Phenol is poorly soluble in water and, at room temperature, forms only a.

The investigation of alternative processes for the oxidation of phenol By Basanda Pongoma A dissertation submitted in fulfilment of the requirements for the Masters Degree in Technology: Chemistry In the Faculty of Science at the Nelson Mandela Metropolitan University Supervisors: Dr Ernst E Ferg December Dr S.

Gouws. Cyanide recovery in the gold-mining industry is a crucial step in terms of the cost of operation. Currently, a process such as AVR (acidification, volatilization and recycling), based on packed towers for stripping and absorption stages, addresses this issue with high levels of investment and operational costs.

Gas-filled membrane absorption (GFMA) emerges then as an attractive Cited by: 2. It is an object of this invention to provide Snew steps in the process for the recovery of phenol, higher boiling phenols and aromatic ethers which make up the reaction product mixtures of processes for the manufacture of phenol.

A further object is to provide a new process for Srecovery of phenols from aqueous mixtures of phenol. The Use and Storage of Methyl Isocyanate (MIC) at Bayer CropScience presents a possible framework to help plant managers choose between alternative processing options-considering factors such as environmental impact and product yield as well as safety- to develop a chemical manufacturing system.

Recovery of phenol from aquous solutions using hollow fibre contactors Article in Journal of Membrane Science () March with Reads How we measure 'reads'. No concentration changes occurred after five days storage of six samples of 15 mL N sodium hydroxide in mL volumetric flasks spiked with mg phenol.

Recovery at the OSHA standard level was %; this was not considered to. Is there an alternative to phenol. According Dooblet's users the best alternative for phenol is alcohol. Find other alternatives to phenol.

Suggest your phenol alternative. Because of its focus on standardization, single-species tests, prescribed risk assessment methodologies, and flowcharts, ERA often seems more based on book-keeping than on science. Ecotoxicology, as the science underpinning ERA, should permit itself to grow out of its “single-species” shell because it should focus on the protection of Cited by: EPA/d May Source Assessment: Manufacture of Acetone and Phenol from Cumene by J.

L Delaney and T. Hughes Monsanto Research Corporation Nicholas Road Dayton, Ohio Contract No. Program Element No. 1AB; ROAP 21AXM EPA Project Officer: Bruce A. Tichenor Industrial Environmental Research Laboratory Office of.

BREAST CANCER & THE ENVIRONMENT RESEARCH CENTERS Early Life Exposure to Phenols and Breast Cancer Risk in Later Years FACT SHEET on PHENOLS Abstract Phenols or phenolics are a manufactured class of weakly acidic water-soluble chemical compounds related to the organic chemical compound phenol naturally present in most foods.

Phenol Recovery System. Immediately Available. This dual-distillation column system was designed by Sabic to separate and purify up to 16 mt/hr of phenol from a complex mixture of hydrocarbons and water. The system consists of two distillation columns with reboilers, recirculation pumps, and multiple overhead condensers with vacuum jets.

Review on Research for Removal of Phenol from Wastewater Sunil J. Kulkarni*, P. Kaware** *Chemical Engineering Department, Datta Meghe College of Engineering, Airoli, Navi Mumbai ** Chemical Engineering Department, College of Engineering and Technology, Akola Abstract -Phenol is a major pollutant in the wastewater becauseCited by: Compare new chemical process technologies and economics faster and at less cost.

New chemical manufacturing technologies can pose an opportunity or a threat. Whether you are acquiring a new technology or responding to a rival, the ability to quickly compare technical designs and production costs is a competitive advantage.

Phenol crystals at a purity of % were recovered in the crystallizer cooled at −9 °C under a permeate pressure of Pa, and the quantity of phenol collected as crystals accounted for Phenol industrial syntheses and sources. Currently, phenol is produced at a rate of about 6 million ton/yr worldwide, with a significantly increasing so called Hock processes, i.e., the three-step cumene synthesis and oxidation processes (such as the Sunoco-UOP, the KBR and the GE-Lummus processes), consisting in the simultaneous syntheses of phenol and Cited by: Alternative to phenol/chloroform - (Nov/16/) I currently use phenol:chloroform:isoamyl alcohol to clean up my plant DNA extracts.

However I hate using phenol and was wondering if there are any alternatives that do the same job. The validity and reproducibility of gene expression studies depend on the quality of extracted RNA and the degree of genomic DNA contamination.

Cyanobacteria are gram-negative prokaryotes that synthesize chlorophyll a and carry out photosynthetic water oxidation.

These organisms possess an extended array of secondary metabolites that impair cell lysis, Cited by: @article{osti_, title = {Toxicity reduction in industrial effluents}, author = {Lankford, P.W.

and Eckenfelder, W.W.}, abstractNote = {The toxicity of manufacturing wastewaters to fish and other aquatic organisms is now being used by state and federal regulators to monitor and restrict industrial wastewater discharges.

As a result, there is a great need for guidance on the subject. For gold extraction, the most used extraction technique is the Merrill-Crow process, which uses lixiviants as sodium or potassium cyanide for gold leaching at alkaline conditions. The cyanide ion has an affinity not only for gold and silver, but for other metals in the ores, such as Al, Fe, Cu, Ni, Zn, and other toxic metals like Hg, As, Cr, Co, Pb, Sn, and Mn.

After the extraction stage, the Cited by: 2. The invention relates to processes for synthesis of bisphenols and more particularly to recovery of phenol from waste streams, the effluent of bisphenol synthesis.

Brief Description of Related Art. Bisphenols are commercially prepared by condensing 2 moles of phenol with a mole of ketone in the presence of an acid catalyst. the Phenol Methodology Consultation that closed on 13 February Between January and AprilThe CFR CHINA MAIN PORT* quote reflected spot prices on a zero ADD basis, while subject to import duties of %.File Size: 2MB.

DISTILLATION OF PHENOL D) In the Pure Phenol Column traces of heavies are separated in the bottom and traces of lights are eliminated in the top. Purity of phenol being obtained in the middle of the column is at ltleast %.

PtPart of thisprodtduct issent bkback to File Size: 2MB. Introduction. Phenol is extensively used in various organic compounds, such as agricultural chemicals, pesticides, dyes, and drugs (Basha et al., ; Zhang et al., ).However, because of its carcinogenic and toxic properties, phenol poses risks to human health and other forms of life (Kumar et al., ; El-Naas et al., ).Phenol contaminants at high concentration have Cited by: By definition, phenol is hydroxybenzene.

Phenol is a common name for the compound. Its IUPAC name would be benzenol, derived in the same manner as the IUPAC names for aliphatic alcohols.

When a phenol molecule is substituted with additional groups, either the ortho, meta, para system or the numbering system can be employed. Latest Resources. Search For: This edition includes notes on the safe use of IT projectors, portable electrical equipment testing, a phenol burn,an inapprorpate gas cartridge for a lab burner, and problems with practical activiti.

more. Risk assessment guidance for dyes, indicators and stains. words matched: phenol Handbook - Section. PHENOL Revised Edition CAS No: EINECS No: SUMMARY RISK ASSESSMENT REPORT Final report, November Germany The rapporteur for phenol is the Federal Institute for Occupational Safety and Health.

Phenolic compounds are priority pollutants with high toxicity even at low concentrations. In this review, the efficiency of both conventional and advanced treatment methods is discussed. The applicability of these treatments with phenol and some common derivatives is compared.

Conventional treatments such as distillation, absorption, extraction, Cited by:. Phenol Production Process Design Team 10 – Tiffany Robinson, Daniel Harrell, Dillian Beechler Organizational Problem ABC Corporation’s resins production Total cost per pound of productunit wants to carry out a study estimate of a plant to produce phenol as a raw material at a cheaper cost than the current market price of $/ Size: 1MB.Ecological Risk Assessment: From Book-Keeping to Chemical Stress Ecology.

To best address the effect of chemicals in the environment, extrapolation from single species to ecosystems must be understood and modeled. Paul J. Van den BrinkCited by: Phenols do not have an H atom attached to the C atom carrying the OH group.

Therefore, their reaction with oxidizing agents is quite different from that of primary or secondary very strong oxidizing reagents, such as permanganate, dichromate or Fremy's salt (KSO 3) 2 NO, oxidize simple phenols to 2,5-cyclohexadien-1,4-ones (benzoquinones).). The following .