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Journal articles on the topic 'Physicochemical methods of treatment'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Zueva, Svetlana, Valentina Corradini, Elena Ruduka, and Francesco Veglio. "Treatment of petroleum refinery wastewater by physicochemical methods." E3S Web of Conferences 161 (2020): 01042. http://dx.doi.org/10.1051/e3sconf/202016101042.

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The main objective of this work was to improve the technological scheme of oil refinery wastewater treatment. Replacment of the expensive filter section in a refinery plant by coagulation in order to increase effectiveness of the process at lower cost was investigated. This research has proven that Ca(OH)2 and Al2(SO4)3 were effective in treatment of oil wastewater. Central Composite Design was applied to two factors, the Al2(SO4)3 dosage and pH. Under optimum conditions effect of removal of Turbidity did reach 100 %, Total hydrocarbons 90 % and COD 70 %. Concentration of Total hydrocarbons in

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Krishnan, A., C. Kogan, R. T. Peters, E. L. Thomas, and F. Critzer. "Microbial and physicochemical assessment of irrigation water treatment methods." Journal of Applied Microbiology 131, no. 3 (2021): 1555–62. http://dx.doi.org/10.1111/jam.15043.

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STEPANOV, Sergey V., Olga S. SOLKINA, Pavel P. AVDEENKOV, Andrey V. BELYAKOV, and Aleksandr S. STEPANOV. "MECHANICAL AND PHYSICOCHEMICAL METHODS OF WASTEWATER TREATMENT IN THE FISH PROCESSING INDUSTRY." Urban construction and architecture 11, no. 1 (2021): 63–71. http://dx.doi.org/10.17673/vestnik.2021.01.8.

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Currently, the Strategy for the development of the fi shery sector of the Russian Federation for the period up to 2030 has been approved. To implement this strategy, the construction of new and reconstruction of existing enterprises is planned. Wastewater from fi sh processing contains a large amount of scales, remnants of entrails (liver, intestines, ovaries), proteins and lipids. Therefore, when developing a treatment technology, it is necessary to pay increased att ention to mechanical and physicochemical pre-treatment of effl uents. This article summarizes the experience of foreign and dom

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Men’shova, I. I., M. V. Pyrkova, E. V. Churlyaeva, and D. O. Maslennikova. "Ecological and Economic Tools for Assessing Efficiency of Physicochemical Wastewater Treatment Methods." Fibre Chemistry 48, no. 3 (2016): 258–61. http://dx.doi.org/10.1007/s10692-016-9780-8.

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Beya, C. L., O. N. Kanwugu, and M. N. Ivantsova. "Modern biotechnological methods in wastewater treatment: a review." Chimica Techno Acta 9 (April 16, 2022): 202292S3. http://dx.doi.org/10.15826/chimtech.2022.9.2.s3.

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Given that water is the main solvent in living organisms as well as in domestic and industrial activities, it must be treated as carefully as possible after multiple uses to get a harmless water quality. To remove the undesirable materials (e.g. organic matters, surfactants, petroleum products, unwanted metals, dyes, et.), the physicochemical water treatment process is used as the common method. This method of wastewater treatment uses flocculation – coagulation technique, which consists of mixing coagulant matters with water to collect, in solid clusters, the materials in suspension by gravit

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Shi, Xueyun, Huaiyuan Wu, Shuangling Xie, et al. "Effects of Different Weeding Methods on Soil Physicochemical Properties, Root Morphology, and Fruit Economic Traits in Camellia oleifera Abel. Plantations." Horticulturae 10, no. 10 (2024): 1093. http://dx.doi.org/10.3390/horticulturae10101093.

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Soil physicochemical properties, root characteristics, and fruit economic traits were determined in Camellia oleifera plantations under spontaneous vegetation + mowing (W1), spontaneous vegetation + glyphosate (W2), and no weeding (CK) treatments. Compared with CK, W1 reduced soil bulk density and increased total nitrogen, total phosphorus, ammonium nitrogen, nitrate nitrogen, and effective potassium content. W2 treatment resulted in higher bulk density than W1 and lower water-holding capacity, total nitrogen, total phosphorus, total potassium, ammonium nitrogen, nitrate nitrogen, and availabl

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Jaya, Firman, Lilik Eka Radiati, Teti Estiasih, et al. "Honey moisture reduction using several thermal methods and their effects on its quality." E3S Web of Conferences 335 (2022): 00026. http://dx.doi.org/10.1051/e3sconf/202233500026.

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Honey is thermally heated at various methods to decrease the moisture content and prolong the shelf life. The heating methods might decrease the quality of honey's physicochemical and biochemical properties. The present study thermally treated the honey with a pasteurizer, evaporator, and dehumidifier. The most thermally affected to decrease the moisture content were treatment by dehumidifier (14.09%), subsequent evaporation (8.41%), and pasteurization (8.41%). After heating, significant differentiation was also observed in the variation of both HMF (Hydroxymethylfurfural) content and diastase

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Emmanuel, U. Dan, E. Shuaibu Solomon, K. Fatunla Opeyemi, and F. Ekpo Victor. "Physicochemical Profile of Sludge – Wood Sawdust Compost." Chemistry Research Journal 3, no. 4 (2018): 184–92. https://doi.org/10.5281/zenodo.13856155.

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Physicochemical properties of compost resulting from mixture of sludge from water treatment plant in Nigeria and wood sawdust were investigated using scientific methods. Physicochemical, nutrient, essential and trace element levels of raw sludge and wood sawdust used in composting indicated varied pH , total organic carbon, moisture and ash content, organic matter, nitrogen, nitrate, sulphate, chloride, phosphate, essential (K, Mg, Ca, Na, Fe) elements, and trace metals (Cr, Zn, Ca, Cd, Co). Compost obtained after 40 days indicated increased ash and moisture content, organic matter, but reduce

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Kim, Tae-Kyung, Jae-Hoon Lee, Hae In Yong, et al. "Effects of Defatting Methods on the Physicochemical Properties of Proteins Extracted from Hermetia illucens Larvae." Foods 11, no. 10 (2022): 1400. http://dx.doi.org/10.3390/foods11101400.

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In this study, we investigated the effects of various defatting methods, including organic solvent (aqueous, acetone, ethanol, and hexane) extraction and physical (cold pressure) extraction, on the nutritional, physicochemical, and functional properties of proteins extracted from Hermetia illucens larvae. The total essential amino acid contents were higher with cold pressure protein extraction than other treatments. The surface hydrophobicity with cold pressure treatment was the lowest, and there were no significant differences among the other treatments. The protein solubility after defatting

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S, Yadav. "Advanced Techniques for Wastewater Treatment: A Review." Open Access Journal of Waste Management & Xenobiotics 2, no. 3 (2019): 1–11. http://dx.doi.org/10.23880/oajwx-16000126.

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Freshwater in lake and pond are often found to be polluted by heavy metals such as As, Zn, or Pb which are toxic in nature and non - biodegradable. Heavy metals are readily consumed by both aquatic flora and fauna present in the freshwater environment. It also polluted the air, water, and soil. Thus, they have adverse impact on the entire ecosystem. These heavy metals also enter the hum an systems through food consumed. This review discusses the methods and their mechanism used to reduce the amount of such heavy metals The methods which are in practice are Electrochemical Treatment (Electrocoa

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Ivanova, L. V., V. К. Miller, V. N. Koshelev, and D. V. Repin. "Influence of Physicochemical Methods of Treatment on Structural And Mechanical Properties of High-Viscosity Oils of Udmurtia." Oil and Gas Technologies 130, no. 5 (2020): 26–31. http://dx.doi.org/10.32935/1815-2600-2020-130-5-26-31.

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The group composition, physicochemical and viscosity-temperature properties of paraffinic high-resinous high-viscosity and high-viscosity oils of Udmurtia deposits with structural-mechanical properties are investigated. It was established that the destruction energy of the supramolecular structure formed during cooling for the oil of the Mishkinsky field is 43.9 kJ/m3 , for the oil of the Kiengop field – 12.6 kJ/m3 . The use of physicochemical methods (heat treatment and dilution of a mixed composition with a hydrocarbon solvent) for regulating the rheological characteristics of oils can signi

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Bedekar, Priyanka A., Siddheshwar D. Kshirsagar, Avinash R. Gholave, and Sanjay P. Govindwar. "Degradation and detoxification of methylene blue dye adsorbed on water hyacinth in semi continuous anaerobic–aerobic bioreactors by novel microbial consortium-SB." RSC Advances 5, no. 120 (2015): 99228–39. http://dx.doi.org/10.1039/c5ra17345k.

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STRELKOV, Alexander K., Svetlana Yu TEPLYKH, and Anastasya O. BYSTRANOVA. "MODERN METHODS FOR CLEANING FAT-AND-OIL WASTE WATERS." Urban construction and architecture 9, no. 4 (2019): 61–65. http://dx.doi.org/10.17673/vestnik.2019.04.10.

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The article studied modern cleaning methods and technological schemes of enterprises of the fat-and-oil industry. Based on literary sources, the effi ciency of wastewater treatment by physicochemical treatment methods has been investigated. Reagent pretreatment of wastewater is widely used, and research focuses on the selection of optimal reagents and doses. A modern method for the treatment of fat and oil containing wastewater is biomembrane technology. Classic treatment schemes are often unable to achieve regulatory requirements for the quality of treated wastewater; therefore, the use of me

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Zubareva, G. I. "Deep Wastewater Treatment with Excessively High Fat Content." Ecology and Industry of Russia 23, no. 10 (2019): 34–38. http://dx.doi.org/10.18412/1816-0395-2019-10-34-38.

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The qualitative and quantitative characteristics of highly concentrated fat-containing wastes of the food industry are given. The aggregate states of the presence of fat in wastewater are discussed, which determine the composition of treatment facilities in the technological scheme for the deep treatment of fat-containing effluents. The basic classical methods of wastewater treatment from fat are analyzed: mechanical, physicochemical (air flotation, electroflotation), as well as the method of deep wastewater treatment - biological treatment. It is shown that the traditional technological schem

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Taylor, Martin, Hassan Alabdrabalameer, and Vasiliki Skoulou. "Choosing Physical, Physicochemical and Chemical Methods of Pre-Treating Lignocellulosic Wastes to Repurpose into Solid Fuels." Sustainability 11, no. 13 (2019): 3604. http://dx.doi.org/10.3390/su11133604.

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Various methods of physical, chemical and combined physicochemical pre-treatments for lignocellulosic biomass waste valorisation to value-added feedstock/solid fuels for downstream processes in chemical industries have been reviewed. The relevant literature was scrutinized for lignocellulosic waste applicability in advanced thermochemical treatments for either energy or liquid fuels. By altering the overall naturally occurring bio-polymeric matrix of lignocellulosic biomass waste, individual components such as cellulose, hemicellulose and lignin can be accessed for numerous downstream processe

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Heshmati, Fatemeh, Shimen Gevargiz Sangar, Amirmehdi Amoozadehsamakoosh, Elham Azadi, and Nima Komeili. "The Role of Metallic Nanoparticles in the Prevention and Treatment of Parasitic Diseases in Poultry." Journal of World’s Poultry Science 2, no. 3 (2023): 13–19. http://dx.doi.org/10.58803/jwps.v2i3.15.

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The development of nanotechnology for the treatment of parasitic diseases is still in its infancy. However, it is expected that this new field can provide a solution to parasitic diseases and compensate for the lack of vaccines to prevent them. It can also provide new treatment options for parasitic diseases resistant to current treatments. Nanomaterials have been developed for antibacterial and anticancer therapies. However, it is important to determine their antiparasitic potential due to the wide variety of their physicochemical properties. When designing metallic nanoparticles (MeNPs) and

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Apata, E. S., O. O. Eniolorunda, K. E. Amao, and A. O. Okubanjo. "Effect of stunning methods on quality of rabbit carcass and meat." Nigerian Journal of Animal Production 40, no. 2 (2020): 229–36. http://dx.doi.org/10.51791/njap.v40i2.1132.

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This study was carried out to evaluate the effect of different stunning methods on the physicochemical and sensory characteristics of rabbit carcass and meat. Thirty six mature rabbits of mixed breeds and sexes with average weight of 1.5 – 2.0kg were used. The rabbits were randomly assigned to four experimental treatments (T1-T4); T1 represented No stunning (control), T2 = Electrical stunning, T3 = Gas stunning and T4 = Mechanical stunning. Each treatment was replicated thrice and the experiment was arranged on completely randomized design. The rabbits were bled after stunning, dressed convent

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Yu Dyagelev, M. "The review of methods of post-treatment of urban wastewater with a high content of industrial effluents." IOP Conference Series: Earth and Environmental Science 981, no. 4 (2022): 042007. http://dx.doi.org/10.1088/1755-1315/981/4/042007.

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Abstract This paper presents an overview of the existing methods of post-treatment of urban wastewater that have undergone mechanical and biological treatment. The results of the experience of practical operation of wastewater treatment facilities are considered and analyzed, the analysis of the operation of mechanical, biological and physicochemical methods used at treatment facilities as a tertiary stage of treatment is carried out. The advantages and disadvantages of each presented method are analyzed and on the basis of this analysis a comparative table of post-treatment methods has been c

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Park, Hye-Young, Sang-Min Park, Ki-Cheol Lee, Oh-Sang Kwon, Soon-Ju Yu, and Shin-Jo Kim. "Survey of Physicochemical Methods and Economic Analysis of Domestic Wastewater Treatment Plant for Advanced Treatment of Phosphorus Removal." Journal of Korean Society of Environmental Engineers 33, no. 3 (2011): 212–21. http://dx.doi.org/10.4491/ksee.2011.33.3.212.

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Liu, Chun Mei, and Zheng Yang Wang. "Study on the Process of PTA Wastewater Treatment." Advanced Materials Research 955-959 (June 2014): 2415–18. http://dx.doi.org/10.4028/www.scientific.net/amr.955-959.2415.

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Describe the water pollution at present, the produce of industrial wastewater and its main characters. Find out the available methods to treat with the pollutants in PTA wastewater. For example: the physicochemical process, the Biological chemical process, the Bacterial film process and so on. Make up a whole fabrication processing.

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Thakre, Mangesh B., Sushil B. Kapoor, and Nilesh Gandhare. "Methods for eliminating micropollutant from wastewater: A review." Environment Conservation Journal 25, no. 1 (2024): 267–73. http://dx.doi.org/10.36953/ecj.26652643.

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The amount of suspended solid and medicinal micropollutants, such as fungicides, personal care products, contraceptive medications, antibiotics and aromatic hydrocarbons are increasing daily and has reached an alarming level. The micropollutant present in wastewater must be treated before its release because it forms adverse effect on mortal health. Because some harmful micropollutants are incredibly difficult to remove from WWTPs because of their nonbiodegradability, poor adsorption capability, complex nature and traditional wastewater treatments are precious or insufficient for decontaminati

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Elianeth, Castañeda-Cisneros Yamily, Zafra Germán, Anducho-Reyes Miguel Angel, Mercado-Flores Yuridia, Ponce-Lira Brenda, and Téllez-Jurado Alejandro. "Comparison of bacterial communities of agricultural soils subjected to different types of tillage in the Valle del Mezquital, Mexico." Soil and Environment 43, no. 2 (2024): 160–75. https://doi.org/10.25252/se/2024/243368.

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Conservation tillage is a practice that positively affects the soil's physicochemical and biological characteristics. The type of tillage influences the richness and diversity of the soil microbiota since organic matter favors specific genera that, in turn, can significantly impact crop productivity. The aim was to analyze the bacterial communities in soils subjected to conservation and intensive tillage practices in two experimental platforms with more than 25 years of being subjected to this type of cultivation practices. Five composite samples of soils subjected to different tillage methods

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Stanisławczyk, Renata, Jagoda Żurek, Mariusz Rudy, Marian Gil, Anna Krajewska, and Dariusz Dziki. "Effect of Various Thermal Processing Methods on the Sensory, Textural, and Physicochemical Characteristics of Foal Meat." Molecules 29, no. 22 (2024): 5464. http://dx.doi.org/10.3390/molecules29225464.

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Previous research on the impact of various heat treatment methods on meat has primarily focused on conventional meats from common livestock animals, with limited studies on the effects of different heat treatments on foal meat. The aim of this study was to evaluate how different heat treatments, including sous-vide, affect the sensory, textural, and physicochemical characteristics of foal meat. This allowed for the identification of the most effective heat treatment method to preserve the optimal quality attributes of foal meat while enhancing sensory and textural qualities preferred by consum

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Bogacka, Magdalena, Nikolina Poranek, Beata Łaźniewska-Piekarczyk, and Krzysztof Pikoń. "Removal of Pollutants from Secondary Waste from an Incineration Plant: The Review of Methods." Energies 13, no. 23 (2020): 6322. http://dx.doi.org/10.3390/en13236322.

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In order to use secondary waste from an incineration plant, it is necessary to process or treat it. Valorization of municipal solid waste incineration bottom ash (MSWIBA) is a popular treatment method. Moreover, there are other possibilities, such as alkaline pre-treatment, which can be used for the rest of the secondary waste from incineration plants, especially hazardous fly ash. The purpose of this study is to show the problem of secondary waste in Poland in relation to the rest of Europe. Due to the physicochemical research of secondary waste, the possibilities of the procedure and its man

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Ukom, Anthony, Dennis Egbujor, Lilian Nwanagba, and Immaculata Okparauka. "Effect of Pretreatments and Drying Methods on The Physicochemical and Antioxidant Properties of Whole Eggplant (Solanum aethiopicum) Flour." Indonesian Food and Nutrition Progress 20, no. 1 (2023): 31. http://dx.doi.org/10.22146/ifnp.77790.

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Sliced eggplant was pretreated (blanching and citric acid dip), -dried (oven and sun), then pulverized to flour. Physicochemical and antioxidant properties were evaluated using standard methods. The results showed increases in protein, moisture, fat, ash, crude fiber, and carbohydrate contents. They ranged from 7.78–8.39%, 8.90–10.14%, 4.32–5.28%, 0.77–0.91%, 10.72–13.43%, and 63.35–65.77%, respectively. Citric acid treatment and dried methods increased the minerals content for sodium (121.77–125.87 mg/100g), zinc (3.18–5.77 mg/100g), potassium (489.53–628.58 mg/100g), magnesium (68.86–75.39 m

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Ferreira Frasson, Leonardo De Souza, and Daniel Chiachiara. "Evaluation of CSF Physicochemical Analysis in The Diagnosis of CNS Infections in Post-Surgical Patients." South Health and Policy 4 (April 23, 2025): 225. https://doi.org/10.56294/shp2025225.

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Introduction: Central nervous system (CNS) infections in post-surgical patients represent a serious complication with high morbidity and mortality. The physicochemical analysis of cerebrospinal fluid (CSF) is a key diagnostic tool that allows for the evaluation of parameters such as glucose, proteins, and lactate to detect infections. With the development of molecular techniques, such as PCR, the accuracy in pathogen detection has improved. However, there are still questions regarding the reliability of traditional methods compared to these advanced techniques, especially in patients who have

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Tijjani Usman, Ibrahim Muntaqa, Yeek-Chia Ho, Lavania Baloo, Man-Kee Lam, Pau-Loke Show, and Wawan Sujarwo. "Comprehensive Review of Modification, Optimisation, and Characterisation Methods Applied to Plant-Based Natural Coagulants (PBNCs) for Water and Wastewater Treatment." Sustainability 15, no. 5 (2023): 4484. http://dx.doi.org/10.3390/su15054484.

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This review investigates the modification, optimisation, and characterisation of plant-based natural coagulants applied to water treatment. The disadvantages of plant-based materials hinder their application as alternatives to chemical coagulants, necessitating their modification to alter and enhance their physicochemical properties, making them suitable for application. Modification via microwave-assisted grafting copolymerisation has been found to be the most preferred approach compared to conventional methods. Optimisation of the coagulation process using response surface methodology has be

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Ma, Yuan, Yingping Xu, Yuanyuan Chen, et al. "Effect of Different Sterilization Methods on the Microbial and Physicochemical Changes in Prunus mume Juice during Storage." Molecules 27, no. 4 (2022): 1197. http://dx.doi.org/10.3390/molecules27041197.

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This study evaluated the pasteurization (P), ozone (O3), ultrasonic (US), and high-hydrostatic-pressure (HHP) sterilization approaches for processing of Prunus mume regarding browning factors and microorganisms, compared with non-sterilization (control check, CK) treatment. The microorganisms (total bacterial count and fungi and yeast count) in the juice were identified after different sterilization techniques, while the quality parameter changes (degree of browning, color measurements, total phenolic content, reducing sugar, ascorbic acid, 5-hydroxymethyl furaldehyde (5-HMF), amino acid nitro

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Majid, Samir Hamad, and Ghazwan Mahdy Saleh. "The Effect of Using Saline Techniques on the Physicochemical Properties and Microstructure of Laboratory-Made Mozzarella Cheese." Tikrit journal for agricultural sciences 22, no. 1 (2022): 35–46. http://dx.doi.org/10.25130/tjas.22.1.4.

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This study was conducted in the laboratories of the Food Sciences Department / College of Agriculture / Tikrit University from 1/9/2020 to 1/3/2021. The study included the manufacture of mozzarella cheese from fresh cow’s milk, which were processed by the two salting methods using dry salt and saline ratios. The first method using dry salt with ratios (1, 1.5, 2) g / 100 g of cheese and the second method using brine with concentrations (5, 7.5, 10 %). The effect of the two methods on the physicochemical properties was studied. The results of the physicochemical analysis of mozzarella cheese ma

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Jednačak, Tomislav, Ivana Mikulandra, and Predrag Novak. "Advanced Methods for Studying Structure and Interactions of Macrolide Antibiotics." International Journal of Molecular Sciences 21, no. 20 (2020): 7799. http://dx.doi.org/10.3390/ijms21207799.

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Macrolide antibiotics are macrocyclic compounds that are clinically used and prescribed for the treatment of upper and lower respiratory tract infections. They inhibit the synthesis of bacterial proteins by reversible binding to the 23S rRNA at or near the peptidyl transferase center. However, their excellent antibacterial profile was largely compromised by the emergence of bacterial resistance. Today, fighting resistance to antibiotics is one of the greatest challenges in medicinal chemistry. Considering various physicochemical properties of macrolides, understanding their structure and inter

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Babahoum, Nabil, Malek Ould Hamou, Amira Merchichi, and Farid Aghilasse Mansour. "Comparison of two purification methods of Algerian bentonite: chemical, mineralogical and physicochemical properties." ENP Engineering Science Journal 2, no. 1 (2022): 6–12. http://dx.doi.org/10.53907/enpesj.v2i1.64.

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The aim of this work is to evaluate the efficiency of two methods of purification on Algerian bentonite clay. The first method was performed by centrifugation treatment, using sodium hexametaphosphate (NaPO3)6 as a dispersing agent. The second method involves a chemical purification with NaCl, followed by sedimentation technique. The study concerns mineralogical, chemical, structural aspects and a series of physical testing. The results have shown that the raw bentonite (RBN) contain (~ 59%) of montmorillonite, illite (~ 5) and (~26%) of quartz, and feldspar (orthoclase + albite), with 5% of c

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Sangadji, Rosmiati, Febby J. Polnaya, and Gilian Tetelepta. "Physicochemical characteristics of modified tapioca using microwave heating." AGROMIX 15, no. 1 (2024): 10–15. http://dx.doi.org/10.35891/agx.v15i1.3800.

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Introduction: This study aimed to assess the physicochemical characteristics of tapioca modified by microwave heat treatment. Methods: The assessment was carried out using a one-factor Completely Randomized Design, namely microwave heat treatment with four levels of commercial tapioca. These included microwave tapioca (TMW), microwave washing tapioca (TPMW), and microwave soaking tapioca (TPRMW) with three replications. The variables observed were chemical tests including moisture and ash content, with physical characteristics such as solubility, swelling power, water, and oil holding capacity

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Yang, Liuqing, Rongan Zhu, Ning Zhang, Wenya Zhao, and Chuyan Wang. "Effects of Different Extraction Methods on the Structural and Functional Properties of Soluble Dietary Fibre from Sweet Potatoes." Foods 13, no. 15 (2024): 2395. http://dx.doi.org/10.3390/foods13152395.

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In this study, hot water treatment (WT), ultrasonic treatment (UT), ultrasonic-sodium hydroxide treatment (UST), ultrasonic-enzyme treatment (UET), and ultrasonic-microwave treatment (UMT) were used to treat sweet potatoes. The structural, physicochemical, and functional properties of the extracted soluble dietary fibres (SDFs) were named WT-SDF, UT-SDF, UST-SDF, UET-SDF, and UMT-SDF, respectively. Scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), thermal properties, and Brunauer–Emmett–Teller (BET) analysis were employed. The structu

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Khatun, Shamima, Nazrul Islam, and Shormin Choudhury. "Effect of pretreatment and different drying methods on the antioxidant activities and physicochemical properties of bitter gourd powder." Journal of Applied Horticulture 26, no. 4 (2024): 429–34. https://doi.org/10.37855/jah.2024.v26i04.80.

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A study was conducted to determine the effect of pretreatment and different drying methods on the antioxidant activities and physicochemical properties of bitter gourd powder. The treatments used were: Un-blanched: (no treatment), hot water blanching (80oC for 5 min), potassium metabisulphite treated (KMS 0.4% for 5min) with three drying methods viz., sun dry (72 h), oven dry(65oC 24h), micro oven dry (500 w for 5 min). The result revealed that the maximum phenol content (16.44, 14.38 and 12.53 mg/100g GAE) and total carotenoid content (25.55, 22.58 and 21.41 mg/100g) was in KMS-treated micro

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Liu, Jing, Mengze Xu, and Zhen Yuan. "Immunoscore Guided Cold Tumors to Acquire “Temperature” Through Integrating Physicochemical and Biological Methods." BIO Integration 1, no. 1 (2020): 6–14. http://dx.doi.org/10.15212/bioi-2020-0002.

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Abstract Immunotherapy for the treatment of tumors has become the most compelling strategy after targeted treatment, especially for lung cancer and melanoma, as well as some blood cancers. For most remaining types of tumors (e.g., pancreatic, colorectal, and breast cancers), abundant immunotherapeutic strategies in the forms of immune checkpoint blockade, cancer vaccines, and CAR-T therapies produce little effect. Furthermore, the immunoreactions induced by various types of cancer and even in individual patients, differ among the single therapeutic immune checkpoint inhibitors, whose pre-exist

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Park, Ji Won, Jeong Hyun Seo, Chae Young Hong, et al. "Physicochemical Properties of Rice Flour Suspension Treated by Ultrahigh Hydrostatic Pressure." Journal of Food Quality 2021 (March 6, 2021): 1–7. http://dx.doi.org/10.1155/2021/8838131.

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This study investigated the physicochemical properties of rice flour suspensions under ultrahigh hydrostatic pressure (UHP) treatment. Rice flour suspensions were subjected to 200, 400, and 600 MPa of pressure for 10 min, and heat treatment was used as a control. Proximate characteristics of different rice cultivar were analyzed to amylose, damage starch content, and particle size. Changes in physicochemical properties of rice flour suspensions according to UHP treatment were analyzed to microscopic structure, iodine reaction, α-amylase hydrolysis rate, and resistant starch content. Microscopi

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Herawati, E. R. N., A. Ferisiantosa, A. Ningrum, H. K. Hendrasty, I. Suppavorasatit, and U. Santoso. "Physicochemical and functional characteristics of egg white powder as affected by pre-treatment and drying methods." Food Research 8, no. 5 (2024): 365–72. http://dx.doi.org/10.26656/fr.2017.8(5).178.

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Egg white is often regarded as a high-quality protein source that contains all essential amino acids required by humans. A fresh egg in liquid form has a short shelf life, thus drying it into powder can be the best alternative for a longer short life. This research aimed to evaluate the physicochemical and functional characteristics of egg white powder (EWP) as affected by pasteurization as pre-treatment and drying methods. There were six treatments in the preparation of EWP, i.e., pasteurization, unpasteurization and combined with three drying methods (spray-, cabinet-, or freeze-drying). The

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Anggraeni, A. S., A> Jayanegara, E. B. Laconi, N. R. Kumalasari, A. Windarsih, and A. Sofyan. "Physicochemical and antibacterial properties of chitosan extracted from swimming crab shells and wooden grasshoppers using different extraction methods." Food Research 8, no. 3 (2024): 439–50. http://dx.doi.org/10.26656/fr.2017.8(3).313.

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Marine by-products and insects are among the sources of chitin used in chitosan production and increase the value of the product that may be used in the food industry. The conversion of chitin to chitosan requires proper extraction methods in order to minimise energy use and waste while also producing good-quality chitosan. This study aimed to evaluate different methods of extracting chitosan from two sources and to characterise its physicochemical and antibacterial properties. The study utilised two distinct chitosan sources, i.e. crab shells and wooden grasshoppers, as well as two distinct e

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Ünal, Mehmet Settar, Emrah Güler, and Mehmet Yaman. "Changes in Antioxidant and Color Properties of Raisins According to Variety and Drying Method." Horticulturae 9, no. 7 (2023): 771. http://dx.doi.org/10.3390/horticulturae9070771.

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Raisins are a significant grape product with an annual trade volume of approximately USD 2 billion. There are various methods employed for drying grapes into raisins. This study aimed to investigate the effects of different drying methods on raisins, specifically, without pretreatment (SD), treatment with potassium carbonate (5%) containing 2% olive oil (POT), and treatment with ashy water with 2.5% olive oil (AOW). The study examined the changes in raisin weight, physicochemical characteristics, total phenolics, antioxidant and anthocyanin contents, color properties, and protein content in th

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Gökçekuş, Hüseyin, Youssef Kassim, Augustine Gbollie George, and Ruth Filla Morrison. "Physicochemical properties of wastewater effluents from selected wastewater treatment plants." Future Technology 2, no. 1 (2023): 62–70. http://dx.doi.org/10.55670/fpll.futech.2.1.5.

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The majority of garbage that is dumped into the environment is the consequence of industrial activity, and this waste contains toxic and dangerous substances that have properties. Untreated industrial effluents have repeatedly affected the environment and human health. Additionally, the aim of this review is to determine if water treatment conforms to DWAF and USEPA criteria and to evaluate specific wastewater treatment facilities. Additionally, the effluent from companies was assessed after being collected utilizing composite sampling methods. The findings recognized pH, rivers, and industria

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Santa Cruz-Navarro, Dalia, Miguel Torres-Rodríguez, Mirella Gutiérrez-Arzaluz, Violeta Mugica-Álvarez, and Sibele Berenice Pergher. "Comparative Study of Cu/ZSM-5 Catalysts Synthesized by Two Ion-Exchange Methods." Crystals 12, no. 4 (2022): 545. http://dx.doi.org/10.3390/cryst12040545.

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As catalysis is one of the pillars of green chemistry, this work aimed at continuing the development of synthesized catalysts under controlled conditions that allow the attainment of materials with the best physicochemical properties for the process for which they were designed. Based on this, the synthesis, characterization, and comparison of copper-based catalysts supported on ammonium and acidic ZSM-5-type zeolite by two ion exchange methods, liquid phase and solid state, are presented. The catalysts obtained were characterized by SEM/EDS, FTIR, XRD, and TPR to study the effect of the synth

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Suresh, M. J., and P. Rajiv. "Phytoremediation of Chromium from Electroplating Effluent Treatment Plant (Etp) Sludge Using Helianthusannuus L." Oriental Journal of Chemistry 34, no. 6 (2018): 2977–82. http://dx.doi.org/10.13005/ojc/340638.

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Phytoremediation is one of the best methods in the treatment of sludge from industries because the pollutants present in the sludge are the food source for plants. So, the present study dealt with wedging the electro-plated sludge with red soil for 30 days and using it for the growth of Helianthus annuus L. The sludge and soil were blended in different concentrations C1, C2, C3, C4, C5 and C6 (for the pre-treatment). Physicochemical parameters (pH, ammoniacal nitrogen, potassium and phosphate) and heavy metals (Ar, Cd, Pb, Hg, Ni and Cr) of raw sludge, soil and ETP-treated-sludge with soil wer

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Ma, Bin. "Research Progress on High Salinity and High COD Industrial Wastewater Treatment Technology." Journal of Industry and Engineering Management 2, no. 2 (2024): 36–40. http://dx.doi.org/10.62517/jiem.202403207.

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In the production process of chemical products such as ethylene and epichlorohydrin, a large amount of industrial wastewater is generated, which has high salt content (over 3.5%), high COD value (over 10000mg·L-1), and characteristics such as biological inhibition and toxicity. At present, it is difficult for sewage treatment plants to effectively treat this type of wastewater. Therefore, the treatment of this type of industrial wastewater has become one of the main obstacles to the green development of the chemical industry. This article reviews the research progress on the generation and tre

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Marian, Eleonora, Narcis Duteanu, Laura Vicas, Bogdan Tita, Paula Sfirloaga, and Tunde Jurca. "Purity Determination of Fusidic Acid Using Physico-chemical Methods." Revista de Chimie 68, no. 7 (2017): 1435–37. http://dx.doi.org/10.37358/rc.17.7.5690.

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When a new drug product is prefomulated and later is accepted as a future commercial product is important to test stability and also higher purity of medical substances which should be processed during drug production. In present paper was checked the purity of fusidic acid, a relatively new antibiotic acting on gram positive bacteria, and is used as treatment for acne vulgaris. Purity and also thermal stability of this new class of antibiotics was tested using physicochemical test methods, such as: Fourier transform Infrared Spectroscopy (FTIR), XRay Diffraction (XRD), Scanning Electron Micro

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Hertsyk, O. M., M. O. Kovbuz, L. M. Bednars'ka, and B. Ya Kotur. "Influence of Thermal Treatment on the Adsorption Ability of Amorphous Alloys." Adsorption Science & Technology 20, no. 6 (2002): 531–39. http://dx.doi.org/10.1260/026361702321039456.

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The change in the adsorption abilities of surfaces of amorphous metallic alloys (AMA) after thermal treatment (at 77–773 K) was estimated by various physicochemical methods. It was shown that the extent of piperidine adsorption on an AMA surface subjected to thermal treatment correlated with the results of X-ray structural analysis.

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El Aatik, Abderrazak, Juan Miguel Navarro, Ramón Martínez, and Nuria Vela. "Estimation of Global Water Quality in Four Municipal Wastewater Treatment Plants over Time Based on Statistical Methods." Water 15, no. 8 (2023): 1520. http://dx.doi.org/10.3390/w15081520.

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Wastewater from urban and industrial sources can be treated and reused for crop irrigation, which can certainly help to protect aquifers from overexploitation and potential environmental risks of groundwater pollution. In fact, water reuse can also have negative effects on the environment, such as increased salinity, pollution phenomena or soil degradation, among others. Consequently, reuse of wastewater requires rigorous treatment and a very detailed analysis of different parameters, in compliance with established quality limitation standards. Therefore, this study was carried out to develop

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Osuoha, J. O., and E. O. Nwaichi. "Physicochemical Characterization of a liquid Effluent from a Refinery." Journal of Applied Sciences and Environmental Management 23, no. 10 (2019): 1779–82. http://dx.doi.org/10.4314/jasem.v23i10.2.

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The physicochemical profile of wastewater from a Refinery in the Niger Delta was evaluated to ascertain efficiency of wastewater treatment methods applied using standard analytical methods. In all samples, temperature ranged between 26.45 – 28.65 º C while the pH values of the untreated and treated wastewater samples were 8.39 ± 0.04 and 7. 82 ± 0.02 respectively. Total dissolved solids and observed total hydrocarbon levels gave maximum values of 172 mg/L and 11.35 mg/L respectively. The turbidity values for untreated and treated wastewater samples were 7.55 ± 0.08 and 3.49 ± 0.01 NTU respecti

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Hong, S. W., Y. S. Choi, G. Kwon, and K. Y. Park. "Performance evaluation of physicochemical processes for biologically pre-treated livestock wastewater." Water Science and Technology 52, no. 10-11 (2005): 107–15. http://dx.doi.org/10.2166/wst.2005.0684.

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The use of a combination of biological and physicochemical methods is a promising technique to reduce highly concentrated pollutants in livestock wastewater: firstly, biodegradable organic matters, nitrogen and a part of phosphorus should be removed in a biological treatment process and then residual non-biodegradable organic matters, color and phosphorus be eliminated by physicochemical methods. In this study, therefore, the integrations of chemical coagulation, activated carbon adsorption, Fenton oxidation and ozonation were evaluated to provide an appropriate post-treatment process for biol

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Salin, Alexey, Artem Ponikarov, and Sergey Ponikarov. "Study of the neutralization process of organoaluminum compounds." E3S Web of Conferences 417 (2023): 02007. http://dx.doi.org/10.1051/e3sconf/202341702007.

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Methods for cleaning and neutralizing liquid production wastes are largely determined by the specifics of the enterprise and the physicochemical properties of the circulating substances. Wastes from organic synthesis enterprises containing benzene, toluene, xylene and similar substances are as a rule subjected to mechanical and physico-chemical methods of purification. Wastewater containing difficult-to-oxidize impurities undergoes a multi-stage biological treatment, which can sufficiently oxidize the alcohols and carboxylic acids contained in the wastewater. In some cases, after complete biol

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Espinoza-Ticona, Yuri, Franklin Lozano, Littman Moreano-Alarcón, Juan José Calixto-Muñoz, and Guadalupe Chaquilla Quilca. "PRE-TREATMENTS AND DRYING METHODS ON THE PHYSICOCHEMICAL AND SENSORY CHARACTERISTICS OF WILD MUSHROOMS (Suillus luteus) FROM APURIMAC-PERU." Chilean journal of agricultural & animal sciences 39, no. 3 (2023): 276–87. http://dx.doi.org/10.29393/chjaa39-24pdyg50024.

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The objective of this research was to evaluate the effect of pre-treatments and drying methods on the physicochemical and sensory characteristics of edible wild mushrooms, Suillus luteus, collected in the pine forests of the Apurimac region, Peru. Two immersion pre-treatments were used: 5% lemon juice and 6% vinegar. Mushroom caps were cut into 3-cm thick slices, immersed at a ratio of 1:5 (w-v), and subsequently dried by direct solar drying and indirect solar drying using a fitotoldo (shade cover). The proximate composition, rehydration, color, total polyphenol content (TPC), antioxidant capa

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