Aquatic hazard and risk assessment of two selected substances produced in high volumes in the Slovak Republic

Murín, Martin; Gavora, Juraj; Drastichová, Iveta; Dušková, Elena; Madsen, Torben; Tørsløv, Jens; Damborg, Axel; Tyle, Henrik; Pedersen, Finn

doi:10.1016/s0045-6535(96)00357-8

Cited by 11 publications

(8 citation statements)

References 3 publications

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“…The remainder accounted for the offsite disposal which includes landfill, transfer to wastewater treatment plants, etc. In Europe, the average DPA production per annum was 89,600,000 pounds (40,633,600 kg) (Murin et al, 1997). O f this, 134,400 pounds (60,950 kg) were released to the environment (Murin et al, 1997).…”

Section: Resultsmentioning

confidence: 99%

“…In Europe, the average DPA production per annum was 89,600,000 pounds (40,633,600 kg) (Murin et al, 1997). O f this, 134,400 pounds (60,950 kg) were released to the environment (Murin et al, 1997). Reports show that, in Europe, DPA was found in soil and ground 1 water (Drzyzga, 2003).…”

Section: Resultsmentioning

confidence: 99%

“…Studies show that, in Europe, a wastewater treatment stream can have an average DPA concentration o f 60 mg/L (Murin et al, 1997). The conventional wastewater treatment plants were successful in removal o f 30 % of the initial DPA concentration on an average effluent concentration as high as 42 mg/L, which resulted in 10 mg/L o f DPA in the river Yah stream (Murin et al, 1997).…”

Section: Resultsmentioning

confidence: 99%

“…The conventional wastewater treatment plants were successful in removal o f 30 % of the initial DPA concentration on an average effluent concentration as high as 42 mg/L, which resulted in 10 mg/L o f DPA in the river Yah stream (Murin et al, 1997). But, GDCh (1988) reported that as little as 0.048 mg/L o f DPA can result in toxic effects to algae (S. subspicatus).…”

Section: Resultsmentioning

confidence: 99%

“…Annex IV of Council Dir. 93/21/EEC), aquatic hazard and risk assessment was proposed for DPA by Murin et al,(1997).…”

mentioning

confidence: 99%

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Laccase‐Catalyzed Removal of Diphenylamine from Synthetic Wastewater

Saha

Taylor

Bewtra

et al. 2008

Water Environment Research

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The priority pollutant lists of both the U.S. Environmental Protection Agency (U.S. EPA) and the European Union (EU) include diphenylamine (DPA), a contaminant found in wastewater of various industries. This work demonstrates the potential of using enzymatic treatment to remove DPA from buffered synthetic wastewater. This treatment method includes oxidative polymerization of DPA using laccase from Trametes villosa, followed by removal of those polymers via adsorptive micellar flocculation (AMF) using sodium lauryl sulfate (SDS) and alum. Researchers investigated the effects of pH, laccase concentration, molecular mass, and concentration of polyethylene glycol (PEG) in continuously stirred batch reactors to achieve 95% substrate conversion in three hours. Treatment of 0.19 mM DPA was best at pH 7 and an enzyme concentration from 0.0025 to 0.0075 standard activity unit/mL. Except for PEG 400, optimum enzyme and PEG concentrations decreased with an increase in PEG molecular mass. Optimum AMF conditions were pH 3.0 to 6.5, 200 mg/L of SDS, and 150 mg/L of alum.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

“…Annex IV of Council Dir. 93/21/EEC), aquatic hazard and risk assessment was proposed for DPA by Murin et al,(1997).…”

mentioning

confidence: 99%

See 3 more Smart Citations

Laccase‐Catalyzed Removal of Diphenylamine from Synthetic Wastewater

Saha

Taylor

Bewtra

et al. 2008

Water Environment Research

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Safety and Toxicology of Caprolactams and Caprolactam‐Based Polymers

Schatz¹,

Choi²

2021

Handbook of Pyrrolidone and Caprolactam Based Materials

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Toxicology is more precisely the study of adverse effects on living organisms from exposure to chemicals, drugs, or biological agents. Acute toxicity describes the adverse effects arising from a single or short‐term exposure to a chemical. Quantitative structure activity relationships in silico toxicology is one type of toxicity assessment that uses computational methods to analyze, simulate, visualize, or predict the toxicity of chemicals. The chapter aims to evaluate the toxicity of caprolactam chemistries including monomer and polymer molecules. The toxicity of caprolactam and vinylcaprolactam has been summarized by numerous human health and environmental agencies worldwide. Caprolactam and vinylcaprolactam are high production lactams of aminocaproic acid. Caprolactam was tested in the NTP Carcinogenesis Testing Program using rats and mice. In humans, irritation of the skin and the mucous membranes were reported for caprolactam. Acute exposure to caprolactams may result in irritation and burning of the eyes, nose, throat, and skin in humans.

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Pharmaceuticals in the Environment—A Human Risk?

Christensen

1998

Regulatory Toxicology and Pharmacology

199

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Aquatic hazard and risk assessment of two selected substances produced in high volumes in the Slovak Republic

Cited by 11 publications

References 3 publications

Laccase‐Catalyzed Removal of Diphenylamine from Synthetic Wastewater

Laccase‐Catalyzed Removal of Diphenylamine from Synthetic Wastewater

Safety and Toxicology of Caprolactams and Caprolactam‐Based Polymers

Pharmaceuticals in the Environment—A Human Risk?

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