Off-Gas Treatment Articles on Environmental XPRT

Water Treatment System Types and Their Benefits

Water is one of the most important utilities in the world. It’s used for bathing, cooking, washing clothes, cleaning dishes, and drinking. If you get your water from the city, you trust your tap water to be clean and healthy. It goes through a treatment plant before it reaches you, so it’s perfectly purified when it reaches you—right? Unfortunately, this isn’t always the ...

Jul. 25, 2017

By Adedge Water Technologies, LLC

Water Treatment Optimization - Case Study

Drinking water treatment in North America has stringent requirements for effluent water quality, with a great amount of attention being drawn to the presence of hazardous disinfection by-products (DBPs) persisting through water distribution systems. The operation of water treatment plants involves addition of various mixing agents to help with coagulation and settling of organics in the raw water ...

Jun. 29, 2017

By MANTECH

Contaminated soils and sludge treatment plant - Case Study

Client: Ecosistem Group, Lamezia Terme (CZ) – Italy Challenge: to transform waste into product! The Client possesses a large plant for the treatment of products contaminated with hazardous substances and materials, recycling of recovered materials and disposal of non-recyclable waste, which is considered highly ...

Jul. 24, 2017

By Baioni Crushing Plants Spa

Air Emissions/Off-Gas Treatment

A number of technologies have been widely applied for removal of VOCs from off-gas streams. However, the application of these technologies to off-gases from site remediation may be quite limited. Biofiltration has been widely applied for VOC destruction in Europe and Japan, but it has only recently been used in the United States. Catalytic and thermal oxidation are widely used for the destruction ...

Jan. 1, 1997

By Federal Remediation Technologies Roundtable

Liquid waste off-gas treatment - Case Study

Application Biffa Waste Services operate a major waste disposal site at Kilsyth in Scotland where they handle many types of industrial liquid effluent. This can give rise to a range of emissions from both the tank farm and the road tanker deliveries. In addition, significant NO2 and nitric acid fume releases can arise from process upset conditions. ERG provided an emergency NO2 ...

Sep. 21, 2010

By ERG (Air Pollution Control) Ltd

Landfill Off-Gas Collection and Treatment Systems

Purpose This engineering technical letter (ETL) was written to provide guidance for designers to determine appropriate application of Landfill Off-Gas Collection and Treatment Systems, and to properly design and specify these systems. Applicability This ETL applies to all HQUSACE elements, major subordinate commands (MSC) , districts, laboratories, and field ...

Apr. 1, 1995

Biological desulphurization of Landfill biogas - Case study

Summary Biorem's biogas desulphurization product is providing very high removal efficiencies at a landfill site in Quebec. Despite the highly variable concentrations and low winter temperatures, the system has achieved an average removal efficiency of 97%, and has maintained outlet nydrogen sulphide concentration below target consistently. As a result, the customer has realized a ...

Jul. 25, 2017

By Biorem Technologies Inc.

Off-Gas Treatment Technologies for Soil Vapor Extraction Systems: State of the Practice

Untitled Document EXECUTIVE SUMMARY This document provides state-of-the-practice information on off-gas treatment technologies for soil vapor extraction ...

Jun. 1, 2006

By US EPA - Environmental Protection Agency

Using Air Strippers for Off-gas Treatment - Case Study

Two pharmaceutical plants in Puerto Rico used large sequencing batch reactor (SBR) systems to treat their wastewater. The primary treatment was an aerobic bio breakdown of the waste. The were forced to change their treament process because of change in treatment regulations. The new regulations required them to treat off-gas that was coming from the SBRs. They were faced with installing a very ...

Jan. 16, 2017

By QED Environmental Systems

Oxygen-induced dynamics of nitrous oxide in water and off-gas during the treatment of digester supernatant

Nitrous oxide (N2O) is a potent greenhouse gas and of special concern in wastewater treatment. It is formed in biological wastewater treatment under both aerobic and anaerobic conditions. A major reason for high N2O emissions is low oxygen concentration during nitrification. In this full-scale study of N2O emissions from a sequencing batch reactor for treating digester ...

Jan. 16, 2014

By IWA Publishing

Detailed off-gas measurements for improved modelling of the aeration performance at the WWTP of Eindhoven

At wastewater treatment plants (WWTPs), the aerobic conversion processes in the bioreactor are driven by the presence of dissolved oxygen (DO). Within these conversion processes, the oxygen transfer is a rate limiting step as well as being the largest energy consumer. Despite this high importance, WWTP models often lack detail on the aeration part. An extensive measurement campaign with ...

Apr. 27, 2016

By IWA Publishing

Maxsys Fuel System helps Scott Bader let off steam with 5.7% Gas Savings

Resin and polymer manufacturer Scott Bader says it has been a socially responsible corporation long before the term was popularised. To this end the company has ambitious energy consumption reduction targets. Helping them to meet this, is the fuel pre-treatment system from Maxsys, which is delivering impressive gas savings in excess of 5.7% on Scott Bader’s steam raising boiler plant ...

Mar. 1, 2007

By Maxsys Fuel Systems Ltd

Off-shore platform uses fast-cycle psa to recover stranded gas case study

Venoco Inc. Situation: Restricted space and limited on-board gas processing solutions forced oil producer on off-shore platform to re-inject high-carbon dioxide laden associated gas Solution: Installation of a Xebec PSA to dehydrate and separate C02 & heavy light hydrocarbons in the associated gas to meet California regulatory sales gas ...

Oct. 30, 2014

By Xebec Adsorption Inc.

Gas Station Site Dewatering Treatment

Gas Station Site Dewatering Treatment Florida Carbonair provided a turn-key temporary water treatment system for this project. A Carbonair field crew mobilized, set up, and trained the clients operators of the system to operate the system. At the conclusion of the project Carbonair provided demobilization services including the extraction and disposal of ...

Mar. 8, 2012

By Carbonair Environmental Systems, Inc.

Land Treatment

Introduction Land Treatment is a full-scale bioremediation technology in which contaminated soils, sediments, or sludges are turned over (i.e., tilled) and allowed to interact with the soil and climate at the site. The waste, soil, climate, and biological activity interact dynamically as a system to degrade, transform, and immobilize waste constitutes. Wastes are periodically tilled to aerate the ...

Jan. 1, 1997

By Federal Remediation Technologies Roundtable

Common Treatment Technologies for Nonhalogenated VOCs in Air Emissions/Off-Gases

Three technologies that are most commonly used to treat nonhalogenated VOCs in air emissions/off-gases are carbon adsorption, catalytic oxidation, and thermal oxidation. Carbon adsorption is a remediation technology in which pollutants are removed from air by physical adsorption onto the carbon grain. Carbon is 'activated' for this purpose by processing the carbon to create porous particles with ...

Jan. 1, 1997

By Federal Remediation Technologies Roundtable

Common Treatment Technologies for Halogenated VOCs in Air Emissions/ Off-Gases

Three technologies that are most commonly used to treat halogenated VOCs in air emissions/off-gases are carbon adsorption, catalytic oxidation, and thermal oxidation. Carbon adsorption is a remediation technology in which pollutants are removed from air by physical adsorption onto the carbon grain. Carbon is 'activated' for this purpose by processing the carbon to create porous particles with a ...

Oct. 1, 1997

By Federal Remediation Technologies Roundtable

Case study - Amine tail gas treatment

COVERING YOUR TAIL GAS The discovery of new shale formations throughout the world and the development of new drilling technologies have increased natural gas production and prompted government agencies to instigate tighter air-pollutioncontrol regulations on processing operations. Unfortunately, meeting environmental regulations is not a profit-generating endeavor. Simply put, the time ...

Mar. 11, 2016

By Anguil Environmental Systems, Inc.

Wastewater Treatment Plant Monitors Greenhouse Gas Emissions

Globally, little attention is paid to gaseous emissions from wastewater treatment processes. This contrasts greatly with the regulatory monitoring that is applied to the quality of water emissions from such facilities. However, in Helsinki, Finland, a large municipal wastewater treatment facility continuously monitors its emissions of greenhouse gases (GHGs) to help in the city’s efforts to ...

Apr. 16, 2014

By Gasmet Technologies Oy

Treatment of unpleasant odors in municipal wastewater treatment plants

The purpose of this paper to present a case study on how to address the odor problem from secondary sources within a municipal wastewater treatment plant (WWTP) by first identifying the locations of the problem and second by evaluating alternative treatment technologies. The WWTP of Chania is a typical 100,000 equivalent inhabitants-facility in a warm semi-arid environment which is located close ...

May 1, 2010

By IWA Publishing

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