Zeolite in the Consumer Goods Industry

Zeolite Crystal Growth (ZCG) – International Space Station – 13 May 2015

ISS Science for Everyone Science Objectives for Everyone The ZCG investigations examined how subtle changes in the chemical formulation affected nucleation and growth of zeolite crystals. The microgravity environment allowed researchers to grow higher-quality crystals. These crystals have a number of useful commercial applications as catalysts and absorbents. Science Results for Everyone Information Pending The following content was provided by Albert Sacco, Jr., Ph.D., and is maintained in a database by the ISS Program Science Office. Experiment Details OpNom: Principal Investigator(s) Albert Sacco, Jr., Ph.D., Lubbock, TX, United States Co-Investigator(s)/Collaborator(s) Information Pending Developer(s) Northeastern University, Center for Advanced Microgravity Materials ... Read more

From the Ministry of Finance to the Ministry of Environment and Energy – N. Lygeros

How much intelligence does one need to realise that, during an economic crisis, not all the solutions can be found at the Ministry of the Economy, since it can only manage what it already has? In other words, at best, this is a matter of cost-saving. So, as long as we do not invest – in the political sense – in the Ministry of Productive Reconstruction, Environment and Energy, we will not change the economic situation. Because through this Ministry we can not only bring about immediate change – for example, with the second offshore block in the Greek EEZ ... Read more

Strategic questions – N. Lygeros

We must ask strategic questions not at party level, but at national level. It is Greece that must have a high-level strategy. Now that we see that even at the level of the Prime Minister, clear reference is being made to the fact that leaving the euro without any possibility of financial support would mean rapid devaluation, harsh austerity and a renewed appeal to the International Monetary Fund for currency support, there is no need to wonder any longer what we are going to do in this regard. Read the rest here: Lygeros.org

The concept of utilisation – N. Lygeros

When we see the hesitation and red tape with which we approach the issue of utilising our mineral wealth, we wonder whether this notion of reliability does not conflict with the notion of abundance. We see a similar phenomenon when it comes to the development of our archaeological sites, where everyone regards them as their own private fiefdom and we fail to operate effectively. Abroad, when you find three stones or a tooth, they make use of them immediately, because they recognise their value and the benefits that this knowledge brings to others. We, who have thousands of finds and ... Read more

MARINA Slim Filter Bio-Clear Cartridge with Zeolite

MARINA Slim Filter Bio-Clear Cartridge with Zeolite The Slim Filter Bio-Clear replacement cartridge fits all three Slim Filter models. Ideal for goldfish, it combines zeolite and Ceramitek in a single cartridge to ensure a healthy aquarium. The zeolite effectively adsorbs toxic ammonia and reduces stress on fish, whilst the Ceramitek – a highly porous ceramic biological filter medium – optimises biological filtration. The easy-to-use disposable cartridge should be replaced every two weeks. (Never replace all filter cartridges at the same time to ensure the constant presence of beneficial bacteria.) Source: www.petland.ca  

Solar Cooling System Preserves Food Without Electricity

Solar Cooling System Preserves Food Without Electricity Solar Cooling System Preserves Food Without Electricity An eco-friendly and inexpensive cooling system developed by a Mexican researcher uses solar energy to maintain the temperature of food and water at nine degrees Celsius for three months. Refrigeration systems have been in the spotlight ever since they were found to be polluting the atmosphere with chlorofluorocarbons (CFCs), causing depletion of the ozone layer. Since the 1970s, the negative impact of these compounds has been globally recognised and heavily regulated. Nevertheless, their use in refrigeration systems remains widespread, and will continue to do so until ... Read more

Use of natural zeolite as a supplementary cementitious material

Babak Ahmadi *, Mohammad Shekarchi Construction Materials Institute, Department of Civil Engineering, College of Engineering, University of Tehran, Tehran, Iran abstract Natural zeolite, a type of frame-structured hydrated aluminosilicate mineral, is used abundantly as a type of natural pozzolanic material in some regions of the world. In this work, the effectiveness of a locally quarried zeolite in enhancing mechanical and durability properties of concrete is evaluated and is also compared with other pozzolanic admixtures. The experimental tests included three parts: In the first part, the pozzolanic reactivity of natural zeolite and silica fume were examined by a thermogravimetric method. In ... Read more

Use of a zeolite-containing biologically active food supplement in patients with burn injuries

Use of a zeolite-containing biologically active food supplement in patients with burn injuries [Article in Russian] Maianskaia NN, Blagitko EM, Poliakevich AS, Vokhmintseva LV, Novoselov IaB, Maianskaia SD. Abstract The content of cationic protein in blood neutrophils, the serum activity of lysosomal enzymes, the intensity of lipid peroxidation, serum antioxidant activity and the blood concentration of trace elements were assessed in patients with burn injuries. Some patients received, in addition to their main treatment, a zeolite-containing biologically active food supplement (BAAF) ‘Lytovit’, which possesses sorption and selective ion-exchange properties. Prior to the start of treatment, all patients exhibited high levels ... Read more

Characterisation of Cement Pastes Containing Natural Zeolite as a Pozzolanic Admixture

Characterization of Cement Pastes Containing Natural Zeolite as a Pozzolanic Admixture Characterization of Cement Pastes Containing Natural Zeolite as a Pozzolanic Admixture Abstract A possible use of natural zeolite originating from a mining area in South Slovakia as a pozzolanic material suitable for the partial cement replacement in composite production is studied. Measurement of chemical composition of natural zeolite is performed using XRF analysis. The particle size distribution of zeolite and dry paste mixtures is accessed on laser diffraction principle. For the tested pastes, basic physical properties and mechanical properties are determined. The obtained results indicate a good potential for ... Read more

Natural Clinoptilolite and Chabazite as Carriers for Antibacterial Agents: Cetylpyridinium Chloride (CPC) and Silver

Natural Clinoptilolite and Chabazite as Carriers for Antibacterial Agents: Cetylpyridinium Chloride (CPC) and Silver Abstract Natural clinoptilolite (Cli) and chabazite (Cha) were used as carriers for two types of antibacterial agents: cetylpyridinium chloride (CPC) and silver cations (Ag). CPC-zeolites, Ag-zeolites and CPC-Ag-zeolites were characterised using an energy-dispersive X-ray (EDX) analyser and Fourier transform infrared (FTIR) spectroscopy, confirming the attachment of CPC molecules to the Ag-zeolite in the CPC-Ag-zeolite samples. The minimum inhibitory concentration (MIC) against *P. aeruginosa* and *B. subtilis* in saline solution and distilled water was determined to investigate the effect of chloride ions on the antibacterial activity of ... Read more

Study on the Effect of Adding Zeolite and Other Bio-Adsorbents on the Quality of Palm-Based Vermicompost

Study on the Effect of Adding Zeolite and Other Bio-Adsorbents on Enhancing the Quality of Palm-Based Vermicompost Abstract This research project focuses on the production of vermicompost from empty fruit bunches (EFB) mixed with cow dung, using an epigeic earthworm known as Eudrilus eugeniae. The vermicomposting process was carried out in a humid environment with a moisture content of between 70% and 80% and a pH of between 6 and 8. Natural zeolite, such as clinoptilolite, and charcoal were mixed with the vermicompost in various ratios prior to pelletisation. The highest cation exchange capacity (CEC) was observed in mixtures containing ... Read more

The Study on Zeolite Column Adsorption of Groundwater Nitrate

The Study on Zeolite Column Adsorption of Groundwater Nitrate Abstract Using a zeolite column adsorption test to assess nitrate pollution in groundwater, the study investigated three different inlet flow rates for nitrate nitrogen removal, as well as the roles of nitrite nitrogen accumulation, zeolite adsorption of ammonia nitrogen and the influence of changes in pH value; the results show that at a flow rate of 70 mL/h, the rate at which the nitrate nitrogen concentration in the reaction column rises is slower than at lower concentrations; however, the nitrate nitrogen concentration in the zeolite column has remained at approximately 3 ... Read more