Polycyclic aromatic hydrocarbons (PAHs) are a class of well-know roxic and carcinogenic compounds that are widely present in industrial waste, gas, automobile exhaust, coal tars, cigarette smoke and meat products, which constitute the most common ways of exposure of humans to the PAHs (Castillo et al. 2004). PAHs are listed by the US Environmental Protection Agency (USEPA) as priority pollutants.
An LDS 6 analyzer monitors HF emissions during the production of hydrofluoric acid in accordance with the German Technical Instructions on Air Quality Control (TA Luft)The customerFine chemicals and inorganic basic chemicals have been developed and produced at the Seelze chemical site in northern Germany for more than 100 years.Such a basic chemical is hydrofluoric acid (HF), an extremely corrosive, colorless, and pungent smelling liquid. It even attacks glass and has a strong caustic effect on skin, mucous...
This paper examines a novel method of regenerating saturated activated carbon after adsorption of complex phenolic, polycyclic aromatic hydrocarbons with low energy consumption by using superheated water pretreatment combined with CO2 activation. The effects of the temperature of the superheated water, liquid–solid ratio, soaking time, activation temperature, activation time, and CO2 flow rate of regeneration and adsorption of coal-powdered activated carbon (CPAC) were studied. The results show that the adsorption...
The catalysed wall flow soot filter was designed and installed in the fourth quarter of 2008 to treat the Particulate Matter (PM), Volatile Organic Compounds (VOCs) & Carbon Monoxide (CO) in the exhaust gases from the outlet of an MTU 12V000G23E emergency generator installed in the basement in the financial district London EC2R.
AirProtekt Catalysed Wallflow Particulate Filter is a system consists of a wall flow filter. The monolith construction comprising of ceramic honeycomb with cells blocked off at...
TodaySure have installed numerous pet crematoria, throughout the World. Our most recent innovative design incorporated two stacked individual pet cremators, fuelled by the exhaust gases of the adjacent automatically loaded mass burn unit, thus minimising fuel input and reducing carbon emissions.
Ammonium nitrogen recovery using natural zeolite from the permeates of anaerobic membrane bioreactors was investigated with batch and continuous experiments. Regeneration of exhausted zeolite was compared between mechanical shaking and air stripping, and experimental results showed the superiority of air stripping over the shaking. Liquid circulation and air flow rates were optimized in a continuous zeolite-packed column with a separate recovery system consisting of a regeneration chamber and a stripping column....
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