Last edited by Goltisar
Wednesday, July 15, 2020 | History

1 edition of Removal of Effluent from Petrochemical Wastewater by Adsorption Using Organoclay found in the catalog.

Removal of Effluent from Petrochemical Wastewater by Adsorption Using Organoclay

by Jorge V. F. L. Cavalcanti

  • 235 Want to read
  • 34 Currently reading

Published by INTECH Open Access Publisher .
Written in English


Edition Notes

En.

ContributionsCésar A. M. Abreu, author, Marilda N. Carvalho, author, Maurício A. Motta Sobrinho, author, Mohand Benachour, author, Osmar S. Baraúna, author
The Physical Object
Pagination1 online resource
ID Numbers
Open LibraryOL27080483M
ISBN 10953510411X
ISBN 109789535104117
OCLC/WorldCa884218908

Biological Wastewater Treatment: Principles, Modelling and Design Aerobic Influent + Aeration ( kWh) Influent Effluent kg COD Effluent kg COD Biogas m 3 (~ 70% CH 4) Heat loss kg COD Sludge, kg Sludge, 5 kg Anaerobic D Figure Fate of carbon and energy in aerobic (above) and anaerobic (below) wastewater. A review covers processes and equipment for removal of free, mechanically dispersed, chemically emulsified or dissolved oils from refinery effluents; the purification petroleum refinery wastewaters with coagulants and flocculants; the use of dissolved air flotation with polyelectrolyte coagulation for removal of emulsified oil recovered from petroleum wastewater by separators; electrochemical.

Some wastewater treatment plants are able to remove more nitrogen and phosphorus from their discharges than others depending on their equipment and how they treat wastewater. Enhanced treatment systems enable some wastewater plants to produce discharges that contain less nitrogen than plants using conventional treatment methods. passing the wastewater through a three-stage­ adsorbing tank, each stage packed with activated carbon. More than 80 per cent COD removal was obtained from wastewater containing benzene derivatives. carboxylic acids, pesticides. and phenols by sequential adsorption on sorbents combination of.

Dairy Industry Wastewater Treatment Producing milk, butter, cheese, or yoghurt, using pasteurization or homogenization produces wastewater with high levels of BOD and COD loads and must be reduced before being disharged to municipal treatment facilities. Typical by-products include buttermilk, whey, and their derivatives. Large amounts of water are used during the process producing effluents. monitoring the sludge index in wastewater in the biological basin shows that the value varied between 20% and 40% which justifies the effectiveness of the biological treatment. In addition, the COD removal by the STEP yield varied between 50% and 94% while the BOD removal varied between 60 and 92%. On the other hand, the.


Share this book
You might also like
Introductory sketch of Irish musical history

Introductory sketch of Irish musical history

Clerical and secretarial systems for the office

Clerical and secretarial systems for the office

2000 Import and Export Market for Iron and Steel Bars, Rods, Angles, Shapes and Sections in Mexico

2000 Import and Export Market for Iron and Steel Bars, Rods, Angles, Shapes and Sections in Mexico

The cruelest miles

The cruelest miles

design and assembly of a high pressure test rig for the investigation of the set pressure of safety relief valves.

design and assembly of a high pressure test rig for the investigation of the set pressure of safety relief valves.

Limit

Limit

Proceedings held at the Statistical Laboratory, University of California, December, 1954, July and August, 1955

Proceedings held at the Statistical Laboratory, University of California, December, 1954, July and August, 1955

Lonely the man without heroes.

Lonely the man without heroes.

Stand development and yields of Appalachian hardwood stands managed with single-tree selection for at least 30 years

Stand development and yields of Appalachian hardwood stands managed with single-tree selection for at least 30 years

Planning, industry, environment

Planning, industry, environment

Stubai

Stubai

The 2000-2005 Outlook for Women

The 2000-2005 Outlook for Women

To learn and to teach

To learn and to teach

A time and a place

A time and a place

Removal of Effluent from Petrochemical Wastewater by Adsorption Using Organoclay by Jorge V. F. L. Cavalcanti Download PDF EPUB FB2

PDF | OnJorge V. Cavalcanti and others published Removal of Effluent from Petrochemical Wastewater by Adsorption Using Organoclay | Find, read and cite all. 14 Removal of Effluent from Petrochemical Wastewater by Adsorption Using Organoclay Jorge V.F.L. Cavalcanti 1, César A.M.

Abreu 2, Marilda N. Carvalho 2, Maurício A. Motta Sobrinho 2, Mohand Benachour 2 and Osmar S. Baraúna 3 1Universidade Federal Rural de Pernambuco 2Universidade Federal de Pernambuco 3Instituto de Tecnologia de Pernambuco Brazil.

The effluent of oil refinery contains phenol, benzene, xylene, toluene, and ethylbenzene (Akhtar et al., ) at very high concentration and their removal by the physical and chemical adsorption. The organoclay is an excellent absorbent for most of the BTEX compounds in their optimized condition of temperature, pH (Cavalcanti et al., ).Author: Surajbhan Sevda, Surajbhan Sevda, Vijay Kumar Garlapati, Swati Sharma, Udaratta Bhattacharjee, Lalit.

Adsorption is one commonly used technique for treatment of petroleum contaminated water. This study aims to modify the adsorption surface of bentonite clay and activated carbon as organoclay and acid modified activated carbon, respectively.

The modified and unmodified adsorbents were characterized by analysis of specific surface area, cation exchange capacity and point of zero Cited by: Powdered bentonite organoclay was used to remove oil from water in this study.

The oil-in-water emulsions used were standard mineral oil (SMO), Kutwell45 (KUT45), and Valcool (VAL) (two cutting oils), refinery effluent (RE), and produced water (PW) from production wells at Estevan, by:   Similarly, Kovalova et al.

() determined the adsorption isotherm and batch kinetic data using two powdered activated carbons to assess the removal of the pharmaceuticals 5-fluorouracil (5-Fu) and cytarabine (CytR) from ultrapure water and from a wastewater treatment plant effluent. Removal of Effluent from Petrochemical Wastewater by Adsorption Using Organoclay Jorge Vinícius Fernandes Lima Cavalcanti, César A.

Abreu, +3 authors Osmar Souto Baraúna Environmental Science. Removal from Petrochemical Industries Wastewater Hooman Bahmanpour1, Removal of emerging contaminants from water and wastewater by adsorption process with calcium and potassium clay method was used in order to optimize the tested bentonite (18).Organoclay is an organically modified phyllosilicate.

Adsorption is recognized as an effective and low cost technique for the removal of organic pollutants from water and wastewater, and produce high-quality treated effluent. This chapter highlighted the removal of organic pollutants using adsorption technique with different kinds of natural and synthetic adsorbents.

petrochemical wastewater by electrocoagulation using a. effluent after 2 h was achieved by using a cell with. adsorption by organoclay for removal of effluent from the. The industrial wastewater treatment is gaining more and more importance with the rapidly increasing need for expansion of existing plants and erection of new plants to cater the needs of chemical, pharmaceutical and petrochemical products and intermediates.

The treatment of the wastewater is key to the sustainable and acceptable industrial growth. Petroleum industries and refineries are. Controlling phosphorous discharged from municipal and industrial wastewater treatment plants is a key factor in preventing eutrophication of surface waters.

Phosphorous is one of the major nutrients contributing in the increased eutrophication of lakes and natural waters. Its presence causes many water quality problems including increased purification costs, decreased recreational and.

The highest phenol removal (85%) was observed in the clay calcined at °C compared to 10% for the neat clay. Optimization studies revealed a maximum adsorption capacity of 12 mg/g at an adsorbent loading of 10 g/L at pH 7.

Phenol adsorption was postulated to occur via a two-stage intercalation and surface adsorption mechanism. Petroleum and petrochemical plants are potential oil sources for pollution inland water caused by runoff from oil fields, refineries and process effluent [1].

Removal of dissolved and emulsified oils is achieved by using activated carbon or membrane filtration. The effluent. For a typical O&G concentration range (0 to 30 mg/L) expected in the effluent after chemical de-emulsification or ultrafiltration, activated carbon was found to outperform all clay adsorbents studied by over an order of magnitude in terms of both adsorption capacity and costs.

The removal of COD via adsorption showed a trend similar to that of O&G. Petrochemical wastewater is a general term of wastewater associated with oil-related industries.

The sources of petrochemical wastewater are diverse and can originate from oilfield production, crude oil refinery plants, the olefin process plants, refrigeration, energy unities, and other sporadic wastewaters [1, 2].The compositions of wastewater from different sources consist of varying.

in interlayer spacing after BTX adsorption can be indicative of a decrease in the number of layers of water in the interspaces. INTRODUTION. Soil and/or water contamination by aromatic hydrocarbons from leaking storage tanks, effluent of petrochemical and chemical industries and improper disposal of hazardous wastes are of concern worldwide.

In the tertiary treatment (coagulation–flocculation–disinfection for irrigation reuse) of a secondary wastewater treatment plant effluent, removal percentages for BOD 5 and COD (initial BOD 5 and COD concentrations were (± ) mg/L and (± ) mg/L, respectively) was obtained to be 46% and 39%, respectively.

@article{osti_, title = {Remove organics by activated carbon adsorption}, author = {Stenzel, M H}, abstractNote = {Activated carbon has a wide variety of applications in the chemical process industries (CPI), one of which is water and wastewater treatment. Activated carbon is especially effective at removing soluble organic compounds (SOCs) from both surface and groundwater sources.

EXAMPLE 1 - AGRONOMIC AND ECONOMIC BENEFITS OF WASTEWATER USE IN IRRIGATION. As an example, a city with a population ofand water consumption of l/d per person would produce approximat m 3 /d (30 Mm³/year) of wastewater, assuming 85% inflow to the public sewerage system.

If treated wastewater effluent is used in carefully controlled irrigation at an. the wastewater of pathogens, contaminants, and remaining nutrients such as nitrogen and phosphorus compounds. This is achieved using one or a combination of processes that can include maturation/polishing ponds, biological processes, advanced filtration, carbon adsorption, ion .EPA promulgated the Petroleum Refining Effluent Guidelines and Standards (40 CFR Part ) in and amended the regulations in, and The regulations cover wastewater discharges at over refineries across the country.Effluent from this plant is recharged to ground water.

Ozonation reduces levels of suspended solids without adding any total dissolved solids to the effluent, provides effective virus removal and is cost effective, over alternative treatment processes.

Dosages of ozone required in the process are 10 mg/L.