Showing results for: odor test Articles
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SCORe-CT: a new method for testing effectiveness of sulfide-control chemicals used in sewer systems
A new method for testing the effectiveness of chemical products for sulfide control in sewers is reported. The method, called SCORe-CT (Sewer Corrosion and Odour Research – Chemical Testing), consists of two specially designed laboratory-scale systems that mimic sulfide production in real rising main sewers, and a multi-phase and multi-facet testing protocol. The monitoring tools/methods include ...
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Odour control system for leading food company in Ireland
In 2019, as part of a major programme to reduce water consumption, waste production and energy use, a leading food producer, invested in an upgrade to its existing waste water treatment plant, utilising best in class technology and processes. Part of that upgrade was a new odour control plant. Their products, with a famous brand, are exported to international markets throughout Europe, Asia, USA ...
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ITI Technologies Introduces HWR47
ITI has cracked the code and has released HWR47 that will reduce sludge levels, odor levels and ammonia levels in an organic solution. This product was developed to address the multiple fines and costs associated with hog lagoons around the country. We believe this is a game changer in the industry and can dramatically reduce the costs associated with sludge removal and fines for odors. Our tests ...
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Guernsey waste transfer station odour control system - Case study
Project Summary: ERG was contracted by Wood Group to provide the Odour Control System for the new Waste Transfer Station to serve the island of Guernsey Main Contractor: Wood Group Client: States of Guernsey Key Project Data: The Odour Control System was designed, supplied and installed by ERG to match Wood’s and States of Guernsey’s specification including: Capture and ...
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The use of potassium permanganate, ozone and associated coupled processes for odor removal in drinking water: bench and pilot scale tests
Bench and pilot scale experiments were conducted to investigate and compare the preoxidation effects of potassium permanganate (KMnO4) and ozone (O3) for odor removal in drinking water. The effects of dosage, contact time, pH, as well as couple treatment with a granular activated carbon (GAC) filter were examined using bench experiments, while the effects of KMnO4 dosing points and a ...
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Engineering Research of the Microbial Revitalization of Xiba River with Microbe-Lift® Technology - Ecosystem Restoration
Kunming City, Yunnan Province, China Ecological Laboratories authorized representatives from the United States presented a program for biological remediation of Dianchi Lake using Ecological’s unique bacteriological based products in March 2004. The small, but badly polluted river was offered to Oakwell Engineering as a trial project using products formulated with Ecological’s ...
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A comaprative perspective of US and UK thinking on e coli reactivation in digestion and dewatering
Presentation Outline UK and US rules in Pathogens History of Reactivation/Regrowth in US WERF Projects Correlation to odors UK Situation Conclusions US and UK regulations The USEPA regulations are mandatory USEPA 503.15 The Class A pathogen requirements on 503.32 (a) or the Class B pathogen requirements in 503.32 (b) shall be met when bulk sewage sludge is applied to agricultural ...
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Gas Detection Best Practices at Work
Most work place accidents could be prevented with proper working gas detection equipment. Gas detection is a critical component for safety programs for any environment; it should be given the highest priority and attention to detail to avoid any accidents and unnecessary work place injuries or deaths. Here are some suggestions on how to keep your work environment safe: 1. Read the gas level ...
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Catalytic/Adsorptive Carbon Testing for Odor Control at Indian River County, Florida
Untitled Document Most of Central Florida withdraws water from the Floridian Aquifer by means of deep wells. The water that comes from both the inland fresh water wells and the coastal saline wells is typically high in total dissolved solids (TDS) and chlorides. Both the fresh water and saline water supplies usually contain elevated hydrogen sulfide concentrations. ...
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Odour Control in Pesticide Plants: Removal of volatiles
Odor Control in Pesticide Plants: Volatile Elimination Chemical formulation plants are susceptible to emissions of unpleasant volatile compounds and unpleasant odors, which makes it essential to implement effective odor control treatments. Specifically, in the northwest of Spain, there is one of the oldest industrial locations for the manufacture of phytosanitary products in the country, with ...
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Do People in Properties near Landfills need to be Concerned about Health & Safety Issues Related to Odors?
Many residential communities and businesses have been built over the years close to landfills as towns and cities have grown. For people working or living near a landfill, one telltale sign of a landfill’s presence is often unpleasant odors. Landfill gases are formed when buried waste decomposes due to microorganisms or volatizes as the waste changes from a liquid or solid to a vapor. ...
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A comparison of an organic biofilter and an inorganic biofilter for the treatment of residual odors emanating from a biosolids de-watering facility
ABSTRACT: The following paper is a comparison of an organic media biofilter and a synthetic media biofilter for the treatment of residual odors emanating from the operation of a biosolids dewatering and truck loading system at the City of Toronto's Ashbridges Bay Treatment Plant. The system compared was an in-ground, header/lateral system operated in a forced draft, up flow, open top ...
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University of British Columbia tests Envron Ozone Odor Control System - Case Study
The University of British Columbia and the British Columbia Ministry of Agriculture, tested the Envron odor control system for mushroom composting. A local mushroom composting facility was chosen as the test site. Ozone was applied to the odorous gases using an Envron mixing ...
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LG Sonic to improve Spain’s drinking water quality
The El Hoyo de Pinares city council has installed an LG Sonic MPC-Buoy. This move is designed to improve the water quality of their Becedas I drinking water reservoir. Due to long-lasting algal bloom problems, the ministry of the presidency offered a subsidy to improve the situation. Here, the goal was to implement an algae management system and replace the micro-filtration membranes at Becedas ...
By LG Sonic
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Algae control in New Jersey raw water reservoir - Case Study
Four solar-powered algae control buoys were installed in the Canoe Brook Reservoir #1 in Short Hills, NJ to assess the impact of the system for controlling algae and cyanobacteria in the raw water reservoir. The four buoys operated for five months in the spring/summer 2014. The Challenge: Address Episodic Taste and Odor Events The primary objective of this project was to reduce algae ...
By LG Sonic
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V-Bank Transition (VTS) - Robert O. Pickard Environmental Centre, Ottawa, Canada - Case Study
THE PROBLEM: The RobertO. Pickard Environmental Centre (ROPEC) in Ottawa, Canada was undergoing needed upgrades and expansions to its thickening and dewatering building. This building plays a vital role by in water treatment providing sewage receiving and pumping, sludge mixing and thickening, as well as dewatering digested biosolids. These processes release H2S, Ammonia, and other VOC's into ...
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Odorous compounds treatment of winery and distillery effluents during natural evaporation in ponds
ABSTRACTDuring treatment of winery and distillery wastewater by natural evaporation in ponds, formation of malodorous compounds induces harmful olfactory effects. In this work, we studied the origin of malodorous compounds and methods to prevent and treat odours. The formation of volatile fatty acids (VFA) from pure substrates (glycerol, lactic and tartaric acids, ethanol) and complex media ...
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