Color is an important element of the final product of many industries, including the textile,
leather, food, cosmetic, pharmaceutical, plastic, and fuel-marking industries. Dyes are …

Dyes are frequently let out into the environment along with wastewater sans necessary
treatment. Fast, cost-effective, scientific and suitable elimination of dyes from wastewaters …

Currently, little information is available regarding the presence of compounds from raw hair
dyeing wastewater. It is known that the most commonly commercial formulations contain …

This work reports the study of oxidation reaction of p-aminophenol (PAP) in ammoniacal
medium in dissolved atmospheric oxygen and hydrogen peroxide, simulating the process of …

Previous studies have demonstrated the presence of precursors and coupling agents in
wastewater from hair dyeing processes. The complex reaction involved in the oxidation of …

The present work investigated the autoxidation reaction of p-toluenediamine (PTD)-a
precursor-widely used in permanent hair dyeing formulation, under experimental conditions …

As indústrias têxteis utilizam grandes quantidades de água nos processos de tingimento e
beneficiamento das fibras, gerando volumes elevados de efluentes contendo corantes …

The p-toluenediamine (PTD) and p-aminophenol (PAP), genotoxic precursor agents widely
used in permanent hair dyeing formulations, electrochemical mechanisms and evaluation in …

This review reports a discussion involving sources, adverse effects, and quantification of
emerging contaminants that have polluted the environment, such as chemical elements …

Heterogeneous photocatalytic (PC) degradation of organic dyes in aqueous solution with
semiconductor oxides has been very effective in relation to conventional methods for the …