Search Results - "Piotr Ofman"

Biological effects of vanillic acid, iso-vanillic acid, and orto-vanillic acid as environmental pollutants by Matejczyk, Marzena, Ofman, Piotr, Juszczuk-Kubiak, Edyta, Świsłocka, Renata, Shing, Wong Ling, Kesari, Kavindra Kumar, Prakash, Balu, Lewandowski, Włodzimierz

“…Vanillic acid (4-hydroxy-3-methoxybenzoic acid) (VA) is a natural benzoic acid derivative commonly found in herbs, rice, maize, and some fruits and vegetables…”
Get full text

Artificial Neural Network (ANN) Approach to Modelling of Selected Nitrogen Forms Removal from Oily Wastewater in Anaerobic and Aerobic GSBR Process Phases by Ofman, Piotr, Struk-Sokołowska, Joanna

“…Paper presents artificial neural network models (ANN) approximating concentration of selected nitrogen forms in wastewater after sequence batch reactor…”
Get full text

Evaluation of the biological impact of the mixtures of diclofenac with its biodegradation metabolites 4’-hydroxydiclofenac and 5-hydroxydiclofenac on Escherichia coli. DCF synergistic effect with caffeic acid by Marzena Matejczyk, Piotr Ofman, Katarzyna Dąbrowska, Renata Świsłocka, Włodzimierz Lewandowski

“…In environmental matrices there are mixtures of parent drug and its metabolites. The majority of research is focused on the biological activity and toxic…”
Get full text

Determination of the Effect of Wastewater on the Biological Activity of Mixtures of Fluoxetine and Its Metabolite Norfluoxetine with Nalidixic and Caffeic Acids with Use of E. coli Microbial Bioindicator Strains by Matejczyk, Marzena, Ofman, Piotr, Wiater, Józefa, Świsłocka, Renata, Kondzior, Paweł, Lewandowski, Włodzimierz

“…In the present work, the conducted research concerned the determination of the toxicity and oxidative stress generation of the antidepressant fluoxetine (FLU),…”
Get full text

Geochemical Assessment of Heavy Metal Distribution in Bug River Sediments, Poland: The Impacts of Urbanization and Agricultural Practices by Skorbiłowicz, Elżbieta, Ofman, Piotr, Skorbiłowicz, Mirosław, Sidoruk, Marcin, Tarasiuk, Urszula

“…Heavy metals play a crucial role in the environment due to their toxicity, persistence, and bioaccumulation ability, which can lead to severe ecological and…”
Get full text

Spatial Variability of Metals in Coastal Sediments of Ełckie Lake (Poland) by Elżbieta Skorbiłowicz, Weronika Rogowska, Mirosław Skorbiłowicz, Piotr Ofman

“…This study aimed to determine the content and spatial distribution of metals (Ca, Mg, Fe, Na, K, Mn, Zn, Cr, Cu, Pb, Co) in sediments in the coastal zone of…”
Get full text

Natural Cinnamic Acid Derivatives: A Comprehensive Study on Structural, Anti/Pro-Oxidant, and Environmental Impacts by Gryko, Kamila, Kalinowska, Monika, Ofman, Piotr, Choińska, Renata, Świderski, Grzegorz, Świsłocka, Renata, Lewandowski, Włodzimierz

“…Cinnamic acid (CA), p-coumaric acid (4-hydroxycinnamic acid, 4-HCA), caffeic acid (3,4-vdihydroxycinnamic acid, 3,4-dHCA), and 3,4,5-trihydroxycinnamic acid…”
Get full text

The Quality of Stored Rainwater for Washing Purposes by Struk-Sokołowska, Joanna, Gwoździej-Mazur, Joanna, Jadwiszczak, Piotr, Butarewicz, Andrzej, Ofman, Piotr, Wdowikowski, Marcin, Kaźmierczak, Bartosz

“…The use of rainwater for washing clothes is determined by its amount, composition and quality of washing. Raw rainwater is soft and free of pollution. The…”
Get full text

The Use of Solidified Carbon Dioxide in the Aerobic Granular Sludge Pre-Treatment before Thermophilic Anaerobic Digestion by Kazimierowicz, Joanna, Dębowski, Marcin, Zieliński, Marcin, Bartkowska, Izabela, Wasilewski, Adam, Łapiński, Dawid, Ofman, Piotr

“…The most common technology for the recovery of energy and valuable materials from sewage sludge is anaerobic digestion (AD). Ensuring thermophilic conditions…”
Get full text

SEASONAL CHANGES IN NITROGEN, PHOSPHORUS, BOD AND COD REMOVAL IN BYSTRE WASTEWATER TREATMENT PLANT by Skoczko, Iwona, Struk-Sokołowska, Joanna, Ofman, Piotr

“…The aim of this study was to determinate seasonal changes in industrial wastewater treatment effectiveness. Studies were carried out in mechanical-biological…”
Get full text

Atrazine toxicity in marine algae Chlorella vulgaris and in E. coli lux and gfp biosensor tests by Matejczyk, Marzena, Kondzior, Paweł, Ofman, Piotr, Juszczuk-Kubiak, Edyta, Świsłocka, Renata, Łaska, Grażyna, Wiater, Józefa, Lewandowski, Włodzimierz

“…Atrazine (ATR) is a widely used chlorinated herbicide from the s-triazine group. Due to the widespread use of ATR, it leaks into the environment and is…”
Get full text

Artificial neural network (ANN) approach for modeling of selected biogenic compounds in a mixture of treated municipal and dairy wastewater by Struk-Sokołowska, Joanna, Ofman, Piotr, Demirel, Sevgi

“…This paper presents artificial neural network (ANN) model of wastewater treatment plant, which was used for average monthly concentrations of N-NH4 + , N-NO3 -…”
Get full text

Impact assessment of treated wastewater on water quality of the receiver using the Wilcoxon test by Ofman, Piotr, Puchlik, Monika, Simson, Grzegorz, Krasowska, Małgorzata, Struk-Sokołowska, Joanna

“…Wastewater treatment is a process which aims to reduce the concentration of pollutants in wastewater to the level allowed by current regulations. This is to…”
Get full text

POLLUTION SOURCES AND WATER QUALITY STATE OF THE SUPRAŚL RIVER by Skorbiłowicz, Mirosław, Skorbiłowicz, Elżbieta, Wójtowicz, Paulina, Ofman, Piotr, Zamojska, Emilia

“…The main purpose of the study was to evaluate water quality of the Supraśl river and identify its main pollution sources. On the river and its tributaries, 8…”
Get full text

MACROPHYTES AS EŁK RIVER QUALITY STATUS EVALUATION INDICATORS BASED ON EXAMPLE OF NICKEL by Skorbiłowicz, Elżbieta, Skorbiłowicz, Mirosław, Zamojska, Emilia, Ofman, Piotr, Wójtowicz, Paulina

“…The aim of the study was to analyze the content of Ni in fractions of 1.0–0.2 mm, 0.2–0.1 mm, 0.1–0.063 mm, 0.063–0.02 mm, and <0.02 mm of river bottom…”
Get full text

THE IMPACT OF SEWAGE TREATMENT PLANT ON THE AMOUNT OF HEAVY METALS IN WATER OF THE SUPRAŚL RIVER CATCHMENT AREA by Skorbiłowicz, Mirosław, Skorbiłowicz, Elżbieta, Wójtowicz, Paulina, Ofman, Piotr, Zamojska, Emilia

“…The main purpose of this study was to evaluate the effect of treated sewage flowing from sewage treatment plants located in the basin of the Supraśl river on…”
Get full text

PAH removal effectiveness comparison from hydraulic fracturing model wastewater in SBR reactors with granular and flocked activated sludge by Ofman, Piotr, Skoczko, Iwona

“…The paper discusses changes in removal efficiency of 16 polycyclic aromatic hydrocarbons (PAHs) in individual unit phases of the sequential biological reactor…”
Get full text

Artificial neural network approach to modelling of HMW PAHs removal under fluctuating BOD loading rate in anaerobic and aerobic phases of GSBR reactor by Ofman, Piotr, Skoczko, Iwona

“…The paper presents models of artificial neural networks (ANN) approximating the benzo(a)pyrene, indeno(c,d)pyrene, dibenzo(a,h)anthracene and…”
Get full text

Biosorption of LMW PAHs on activated sludge aerobic granules under varying BOD loading rate conditions by Ofman, Piotr, Skoczko, Iwona, Włodarczyk-Makuła, Maria

“…Polycyclic aromatic hydrocarbons belong to the main priority substances for the aquatic environment. One of the emission sources of these compounds to…”
Get full text

Alternated biodegradation of naphthalene (NAP), acenaphthylene (ACY) and acenaphthene (ACE) in an aerobic granular sludge reactor (GSBR) by Ofman, Piotr, Struk-Sokołowska, Joanna, Skoczko, Iwona, Wiater, Józefa

“…[Display omitted] •Novelty presented in this paper is PAHs removal in GSBR reactor process phases.•Aerobic granular activated sludge removes NAP, ACE and ACY…”
Get full text