A5051879232- Phosphorus and nutrient management
- Polymer-Based Agricultural Enhancements
- Clay minerals and soil interactions
- Algal biology and biofuel production
- Biodiesel Production and Applications
- Plant Growth Enhancement Techniques
- Mechanical Systems and Engineering
- Composting and Vermicomposting Techniques
- Growth and nutrition in plants
- Seed and Plant Biochemistry
- Coffee research and impacts
- Inorganic and Organometallic Chemistry
- Plant nutrient uptake and metabolism
- Extraction and Separation Processes
- Adsorption, diffusion, and thermodynamic properties of materials
- Aquatic Ecosystems and Phytoplankton Dynamics
- Minerals Flotation and Separation Techniques
- Microbial Applications in Construction Materials
- Plant Micronutrient Interactions and Effects
- Food composition and properties
- Coal Combustion and Slurry Processing
- Enzyme Catalysis and Immobilization
- Solid-state spectroscopy and crystallography
- Geological Formations and Processes Exploration
- Polysaccharides and Plant Cell Walls
Kaunas University of Technology
2015-2024
This article presents the results of optimizing microalgae Chlorella sp. cultivation to obtain a higher amount biomass and use cheaper suitable waste for algae cultivation. It has been found that most growing is landfill leachate, which can replace source nitrogen in medium. The largest concentration obtained medium containing 0.08 g·L−1 acquired from leachate. For fertilizer production, suspension was centrifuged analyzed. chemical composition be sufficiently good produce granular with...
Dolomite as a heterogeneous catalyst can be used in biodiesel synthesis. Process material costs reduced by regenerating and reusing the catalyst. Two methods of regeneration dolomite were studied: (1) washing for 30 min with methanol, filtration, hexane (2) calcination at high temperature. Catalytic efficiency changes after 1–6 cycles evaluated. X-ray, FTIR, SEM studies performed. Calcination has been found to more effective method than solvents. The catalytic effectiveness only slightly...
To maintain high production and growing rates of plants, synthetically obtained fertilizers are commonly used. Excessive amounts damage the natural ecosystem cause various environmental problems. In relation to environment its sustainability, another great environmental, economic, social issue is food loss waste. This paper aims evaluate impact spent coffee grounds (SCG) on soil properties, rye growth, their possibilities be used as biodegradable organic material in bulk fertilizer. study...
Abstract One of the challenges modern world is to improve human nutrition and safely increase yield agricultural production using existing land. It clear that sufficient efficiency cannot be achieved without fertilizers, but fertilizers must cause minimal damage soil. Microorganisms, such as spore-forming bacteria, actinomycetes, fungi, algae, protozoa play an important role in soil keep healthy. substances involved reactions take place plants cellulose. This study investigated effect...
The ever-increasing intensity of agriculture is causing irreversible qualitative changes in the soil. Soil conservation and improvement a priority EU agro-environmental policy. However, this also one most difficult challenges for agriculture. Various ways sustainable have been proposed. One way to provide arable soil with humic substances through use extracts. aim work create product from local raw materials, i.e., Lithuanian peat. peat samples various peatlands different degree humification...
Principles of green engineering require that material inputs are renewable. To this regard, a partial or full substitution one the feedstocks with waste from other industries can minimize environmental impacts. Potash rock is source key potassium (K), but its impacts, including land use and greenhouse gas emissions during mining beneficiations, concern. Carnallite used to electrochemically produce elemental magnesium (Mg) yields solid sludge K2O content ∼43% Mg 2.0%.This carnallite-derived...
Abstract Seeking to obtain bulk (NPK – nitrogen, phosphorus, potassium), chlorine-free fertilizers, the influence of interaction between potassium chloride and ammonium dihydrogen phosphate in aqueous solutions at temperature 20, 40, 60 80°C has been investigated. Components solid phase have identified by methods chemical instrumental analysis: radiography (X ray), infra red molecular absorption spectroscopy (IR) scanning electron microscopy (SEM). It observed that largest amount state was...
The latest World Food Security Outlook predicted stabilization in global food security by 2024; however, nearly one billion people still face the threat of insecurity. Fertilisers, crucial for maximizing crop yields, are subject scrutiny due to their environmental impact and health concerns. Efforts being made use fertilisers more efficiently maintain soil nutrient balance address these issues. In this research, different solid liquid wastes from industry were used granulate organic...
The sustainable utilization of different food waste and other products is one the challenges European Green Course. Buckwheat has major potential as a ingredient; however, processing buckwheat into generates large amount solid that needs to be sustainably disposed of. by-products come from contain high contents carbon hydrogen can used raw materials for production granular biofuels. This work proposes explores route husk ash utilization. Chemical analysis (BHA) uncleaned husks (UBH) showed...
Synthesis of fatty acid butyl esters using snail shells is attractive and increases the share renewable resources because are a waste food industry 1-butanol can be obtained from resources. Chemical instrumental analysis methods (XRDA, FT-IR, EDS) were used for evaluation chemical composition shells. It was found that slightly depends on kind growing conditions, but in all cases main component raw CaCO3. After calcination 5 h at temperature 850 °C, almost pure CaO (93.69 ± 0.43% %) formed,...
As the human population grows and demand for food with it, recycling, or containment of materials is important resource consumption. Nitrogen one main plant nutrients, most commonly used as chemical substance urea. Because urea very soluble at a relatively low temperature (50-60 °C) it hydrolyses easily (releases N2 CO2) in soil solutions; this why large amounts nitrogen are lost greenhouse gases released causes serious environmental problems. Therefore, aim study was to create...
Liquid compound fertilizers (LCF) are aqueous salt solutions which nourish the soil. They contain nitrogen, phosphorus, potassium, sometimes calcium, magnesium and micronutrients. An LCF solution has practically no insoluble residue contains elements in a fully digestible form is high-speed, highly effective fertilizer. It important to assess equilibrium solid-liquid system when creating liquid fertilizers, since their basic properties, concentration crystallization temperature, depend on...
KH2PO4, which was manufactured using conversion of KCl and NH4H2PO4, is a concentrated crystalline chlorine-free phosphorus potassium fertilizer. It usually used as component liquid complex fertilizer, because KH2PO4 crystals melt very easily, have high hygroscopicity caking effect. Granulated products are considerably more convenient than powders, but pure, hardly agglomerate, therefore they need proper binder. This study aims to investigate the influence cellulose additive other different...
first_page Download PDF settings Order Article Reprints Font Type: Arial Georgia Verdana Size: Aa Line Spacing: Column Width: Background: Open AccessAbstract Buckwheat Husks, Ash and Biomass for Sustainable Plant Fertilization Soil Improvement † by Odeta PocienėOdeta Pocienė Scilit Preprints.org Google Scholar View Publications * Rasa ŠlinkšienėRasa Šlinkšienė Department of Physical Inorganic Chemistry, Kaunas University Technology, LT-50254 Kaunas, Lithuania Author to whom...
In this work, different sources of nitrogen and potassium for 8–0–30+S fertilizers' granulation were used. Fertilizers granulated using a drum granulator fluid bed granulator. All used waste materials found to be suitable the production compound fertilizers. The best properties fertilizers (marketable fraction part – from 63.0 % 85.0 static strength granules 34.60 N/gran. 43.18 N/gran.) obtained when content irrigation water in raw material mixture was 7–9 (15–20 ml/200 g mixture) recycle...
In this work, different sources of potassium materials were used for 10-20-20 + S Mg fertilizer granulation. It was found that both the raw material KCl and magnesium from carnallite production by-products (KE) can be making. With materials, upon selecting certain granulation process parameters, it is possible to make a high-quality product. To produce high quality NPK which would marketable fraction, using KE requires less moisture than KCl. If water content with 10.1 %, sufficient 8.8 %....
The use of granular compound fertilizers for plant fertilization is most rational. In this case, a balanced content and ratio nitrogen (N), phosphorus (P) potassium (K) formed in each pellet. Powder granulation complicated process, which depends on many factors. Choosing the suitable process parameters imperative quality product. effect some (chemical nature filler, temperature, moisture content, pH irrigation solution) 8–20–25 NPK fertilizer properties (granulometric composition, static...
In the production of many products in various industries, especially chemical, positive aspect is creation and use a waste-free technology. It has been found that content liquid phase after interaction between NH4H2PO4 KCl (the molar ratio starting materials was 0.8 : 0.2) depends on conversion temperatures. The chemical composition can vary from 1.19 to 1.45 % N, 14.96 26.55 K2O, 1.06 2.55 P2O5 13.42 13.71 Cl. other properties solutions, such as pH, density viscosity, are almost independent...