Biofiltration of acetaldehyde resulting from ethanol manufacturing facilities.

08:00 EDT 30th September 2019 | BioPortfolio

Summary of "Biofiltration of acetaldehyde resulting from ethanol manufacturing facilities."

At ethanol plants, the control of acetaldehyde emissions is accomplished by scrubbers and regenerative thermal oxidizers. However, their operation imposes substantial operating costs. Alternatively, two biotrickling filters were operated in parallel under acetaldehyde loadings ranging from 4 to 136 g m hr. One filter was operated at room temperature while the other one was heated to 60 °C, to mimic hot drier emissions. The unheated filter maintained 100% removal efficiency up to 45.28 g m hr loading rate at 30-s empty bed residence time. Highest elimination capacity recorded was 112 g m hr at 83.2% removal efficiency. The heated filter achieved removal efficiency larger than 60% at influent concentrations of 200 ppmv and lower, however, removal was significantly lower at 400 and 600 ppmv influent concentrations. Performance was improved by reseeding with cooking compost resulting in increased thermophilic bacterial population. Main byproduct formed was acetic acid with traces of formic acid. Mathematical modelling was used to successfully describe acetaldehyde concentration profiles.


Journal Details

This article was published in the following journal.

Name: Chemosphere
ISSN: 1879-1298
Pages: 124982


DeepDyve research library

PubMed Articles [5823 Associated PubMed Articles listed on BioPortfolio]

Effects of acute ethanol administration on brain oxidative status: the role of acetaldehyde.

Ethanol, one of the most widely consumed substances of abuse, can induce brain damage and neurodegeneration. Ethanol is centrally metabolized into acetaldehyde, which has been shown to be responsible ...

Effects of ethanol and ethanol metabolites on intrinsic function of mesenteric resistance arteries.

Evidence suggests that ethanol-induced hypertension is associated with increased cardiovascular responsiveness to vasopressors in vivo and enhanced reactivity of isolated arteries to vasopressors ex v...

Bench-scale column evaluation of factors associated with changes in N-nitrosodimethylamine (NDMA) precursor concentrations during drinking water biofiltration.

Biofiltration has been observed to increase or decrease the concentrations of N-nitrosodimethylamine (NDMA) precursors in the effluents of full-scale drinking water facilities, but these changes have ...

Genome-Wide CRISPR Screening Identifies the Tumor Suppressor Candidate OVCA2 As a Determinant of Tolerance to Acetaldehyde.

Acetaldehyde, a metabolite of ethanol, is a cellular toxicant and a human carcinogen. A genome-wide CRISPR-based loss-of-function screen in erythroleukemic K562 cells revealed candidate genetic contri...

Molecular docking explores heightened immunogenicity and structural dynamics of acetaldehyde human immunoglobulin G adduct.

Acetaldehyde is a metabolite of ethanol, an important constituent of tobacco pyrolysis and the aldehydic product of lipid peroxidation. Acetaldehyde induced toxicity is mainly due to its binding to ce...

Clinical Trials [1680 Associated Clinical Trials listed on BioPortfolio]

Phase IIa Study of Fomepizole for Acetaldehyde Toxicity After Ethanol Exposure in Subjects With Altered Ethanol Metabolism

This trial will evaluate if fomepizole (4-methylpyrazole)can treat symptoms associated with alcohol intolerance due to aldehyde dehydrogenase 2 (ALDH2) Deficiency, an inherited metabolic d...

L-cysteine Prevents Stomach Exposure to Carcinogenic Acetaldehyde

Atrophic gastritis with hypochlorhydric milieu is a risk factor for gastric cancer. Microbes colonizing the acid-free stomach oxidize ethanol into acetaldehyde, a group 1 carcinogen. The a...

Treatment of Asian Flushing Syndrome With Topical Alpha Agonists

Asian Flushing Syndrome (AFS) is a genetic disease affecting approximately 70% of patients of East Asian descent characterized by severe flushing with minimal ethanol consumption. This rea...

The Effects of Ethanol on Intestinal Permeability and Gut Hormones

The aime of this study is to envsitigate if ethanol has an incretin effect. This is done by administration of ethanol orally vs. an isoethanolaemic i.v. infusion of ethanol.

Systemic and Local Diffusion of Ethanol After Administration of Ethanol 96% Formulated in a Gel and Ethanol 98% Solution by the Percutaneous Route, in Patients With Congenital Venous Malformations:Pharmacokinetic, Pharmacodynamic and Clinical Study.

Absolute ethanol has been used "off-label" as an unmodified formulation (solution) in CVM. Despite its effectiveness, absolute ethanol appears difficult to handle because of its high diffu...

Medical and Biotech [MESH] Definitions

Compounds that bind to and inhibit the enzymatic activity of acetaldehyde dehydrogenases.

Catalyzes the decarboxylation of an alpha keto acid to an aldehyde and carbon dioxide. Thiamine pyrophosphate is an essential cofactor. In lower organisms, which ferment glucose to ethanol and carbon dioxide, the enzyme irreversibly decarboxylates pyruvate to acetaldehyde. EC

Places provided for the processing, fabrication, assembly, and production of a line of products, services, commodities, or merchandise.

A carbamate derivative used as an alcohol deterrent. It is a relatively nontoxic substance when administered alone, but markedly alters the intermediary metabolism of alcohol. When alcohol is ingested after administration of disulfiram, blood acetaldehyde concentrations are increased, followed by flushing, systemic vasodilation, respiratory difficulties, nausea, hypotension, and other symptoms (acetaldehyde syndrome). It acts by inhibiting aldehyde dehydrogenase.

Facilities provided for human excretion, often with accompanying handwashing facilities.

Quick Search

DeepDyve research library

Relevant Topic

Food is any substance consumed to provide nutritional support for the body. It is usually of plant or animal origin, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals. The substance is ingested by an organism ...

Searches Linking to this Article