Degradation of polyvinyl alcohol in textile waste water byMicrobacterium barkeriKCCM 10507 andPaenibacillus amylolyticusKCCM 10508

Abstract

Microbacterium barkeri KCCM 10507 and Paenibacillus amylolyticus KCCM 10508 were isolated and identified for the degradation of polyvinyl alcohol (PVA) contained in textile waste water. Kinetic parameters such as growth rate and substrate utilization rate were determined using a pure culture of two isolated strains. The degradation rate by a mixed culture of two isolated strains was higher than that by single strain only. Also, the effect of polymerization degree on biodegradation was negligible, but initial PVA concentration was very sensitive to biodegradation. Forty-two per cent of PVA and 55% of chemical oxygen demand in textile waste water were removed by a mixed culture of two isolated strains after 5 days.

Bacterial community structure in rotating biological contactor treating coke wastewater in relation to medium composition

“…Although Microbacterium is known to be a pathogenic bacteria, according to Chung et al ( 2016 ), Microbacterium was isolated from the textile wastewater and able to degrade polyvinyl alcohol together with the other isolated strain of Paenibacillus. Moreover, it is also described as sulfamethoxazole degrader (Bouju et al 2012 ).…”

ARX and NARX Modeling and Control of a Continuous UV/H2O2 Photoreactor for the Aqueous PVA Degradation

“…Although PVA does not directly contribute to ecotoxicity, the excessive foam formation foam can lead to the absence of oxygen in the water bodies, inhibiting aerobic microorganisms' activities and increasing water viscosity. Thus, the addition of PVA-rich wastewater may lead to difficulties in treatments such as adsorption, biological treatment, chemical coagulation, ultrasonic degradation, membrane filtration, catalytic oxidation, and Fenton treatment, further leading to the accumulation in the environment (Bian et al, 2019;Chung et al, 2016;Giroto et al, 2006).…”

“…Although many previous studies proposed possible biological treatments targeting specifically the treatment of PVA-containing wastewater, these treatments require extensive incubation periods. Their efficiencies are subject to change along with different characteristics of the feeding wastewater (Chung et al, 2016). On the other hand, Advanced Oxidation Processes (AOPs) -like electrochemical oxidation, Fenton, ionizing radiation, Photo-Fenton, ozonation, peroxide oxidation, persulfate oxidation, photocatalytic oxidation, and wet air oxidationpresented promising degradation efficiency in degrading and even mineralizing PVA and other organic pollutants in wastewater.…”

Identification and characterization of the Streptococcus pneumoniae type 3 capsule-specific glycoside hydrolase of Paenibacillus species 32352

“…Paenibacillus species are of growing interest since the genus was established in 1991 (Agard et al 2006). These microbes are a rich source of extracellular enzymes that catalyze a variety of reactions, which have demonstrated utility in numerous agricultural and medical applications (Konishi and Maruhashi 2003;Guo et al 2012;Chung et al 2015;Knolhoff et al 2015;Oliveira et al 2015;Pasari et al 2017). Database for carbohydrate-active enzyme (CAZy) annotation (dbCAN) of the Paenibacillus sp.…”