scholarly journals Experimental testing of some types of biologically degradable materials for processing in the SBM mechanical plant for hydrothermal treatment

2012 ◽  
Vol 58 (No. 1) ◽  
pp. 1-8
Author(s):  
P. Junga ◽  
E. Krčálová ◽  
K. Somerlíková ◽  
J. Mareček
Keyword(s):  
Hydrothermal Treatment ◽  
Experimental Testing ◽  
Wood Chips ◽  
Thermal Hydrolysis ◽  
Maize Silage ◽  
Environment Friendly ◽  
Plant Model ◽  
Stable Manure ◽  
Degradable Materials ◽  
Mechanical Plant

The SBM (stabiliser of biomass) mechanical plant model is designed for the hydrothermal treatment of biologically degradable materials with using the principle of thermal hydrolysis. The primary task of this equipment is to subject biologically degradable materials to hydrothermal treatment and to recover the materials for a further use or to eliminate them. These entities could use the mechanical plant for economic and environment-friendly methods of handling biologically degradable wastes or materials. The objective of the experiment with various types of biologically degradable materials was to establish the level for the transformation of input characteristics of tested materials after conversion in the SBM mechanical plant and to assess the suitability of the processing by using this method with respect to the use of the final product. Materials tested in the first experiments included stable manure heated or unheated during the processing and maize silage wastes in mixture with wood chips.

Possibilities of Sugar Content Reduction in Filler of Cement-Bonded Particleboards

2015 ◽  
Vol 1100 ◽  
pp. 174-177
Author(s):  
Šárka Keprdová ◽  
Tomáš Melichar ◽  
Jiří Bydžovský ◽  
Miroslav Vacula
Keyword(s):  
Negative Impact ◽  
Experimental Testing ◽  
Sugar Content ◽  
Carbohydrate Content ◽  
Wood Chips ◽  
Running Water ◽  
Oxidizing Agents ◽  
Carbohydrate Level ◽  
Chemical Hydrolysis

This paper presents the results and findings of carbohydrate-content reduction of wooden substances (particles) that are used as filler in cement-bonded particleboards. Several alternatives that appeared as potentially suitable were analysed. The aim of research was to control the carbohydrate level in the wood matter with regards to the reduction of their negative impact on speed and course of the hydration reactions in cement-bonded particleboards. In experimental testing an/the attention was particularly devoted to washout of wood chips by running water and chemical hydrolysis with/by oxidizing agents.

scholarly journals Essential oils of Bursera morelensis and Lippia graveolens for the development of a new biopesticides in postharvest control

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Yoli Mariana Medina-Romero ◽  
Ana Bertha Hernandez-Hernandez ◽  
Marco Aurelio Rodriguez-Monroy ◽  
María Margarita Canales-Martínez
Keyword(s):  
Antifungal Activity ◽  
Essential Oils ◽  
In Vitro Model ◽  
Gas Chromatography Mass Spectrometry ◽  
Vegetable Crops ◽  
Environment Friendly ◽  
Plant Model ◽  
Vitro Model ◽  
Phytopathogenic Microorganisms

AbstractFruit and vegetable crops that are not consumed immediately, unlike other agricultural products, require economic and time investments until they reach the final consumers. Synthetic agrochemicals are used to maintain and prolong the storage life of crops and avoid losses caused by phytopathogenic microorganisms. However, the excessive use of synthetic agrochemicals creates health problems and contributes to environmental pollution. To avoid these problems, less toxic and environment-friendly alternatives are sought. One of these alternatives is the application of biopesticides. However, few biopesticides are currently used. In this study, the biopesticide activity of Bursera morelensis and Lippia graveolens essential oils was evaluated. Their antifungal activity has been verified in an in vitro model, and chemical composition has been determined using gas chromatography-mass spectrometry. Their antifungal activity was corroborated in vitro, and their activity as biopesticides was subsequently evaluated in a plant model. In addition, the persistence of these essential oils on the surface of the plant model was determined. Results suggest that both essential oils are promising candidates for producing biopesticides. This is the first study showing that B. morelensis and L. graveolens essential oils work by inhibiting mycelial growth and spore germination and are environment-friendly biopesticides.

Maize silage and winter crop options to maximise drymatter and energy for NZ dairy systems

2006 ◽  
pp. 193-197 ◽  
Author(s):  
R.J. Densley ◽  
G.M. Austin ◽  
I.D. Williams ◽  
R. Tsimba ◽  
G.O. Edmeades
Keyword(s):  
Italian Ryegrass ◽  
Maize Silage ◽  
Forage Crops ◽  
Forage Crop ◽  
Maize Hybrid ◽  
Trade Offs ◽  
Feed Value ◽  
Winter Crop ◽  
Winter Crops ◽  
Silage Production

Trade-offs in dry matter (DM) and metabolisable energy (ME) between combinations of three maize silage hybrids varying in maturity from 100-113 CRM and six winter forage options were investigated in a Waikato farmer's field over 2 years. Winter crops were triticale, cut once; oats grazed 1-2 times; and Tama and Feast II Italian ryegrass, each cut or grazed 2-3 times. Greatest DM and ME production (38.9 t/ha; 396 GJ/ha) was from a 113 CRM hybrid followed by a single-cut triticale crop. The most economical sources of DM and ME were obtained from a 100 CRM maize hybrid plus grazed oats (11.8 c/ kg; 1.12 c/MJ), while the cheapest ME source among cut winter forages was a 113 CRM maize hybrid + triticale (1.18 c/MJ). Reliable annual silage production of 30 t DM/ha and 330 GJ ME/ha (or 3000 kg MS/ha) is possible using a late maturing maize hybrid combined with a winter forage crop such as triticale, although the low feed value of the triticale may limit its use as feed for milking cows. Keywords: Italian ryegrass, oats, maize silage, supplements, triticale, winter forage crops

Construction of Safe, Reliable, Clean, and Environment-Friendly Refining and Chemical Enterprises

2019 ◽  
Vol 21 (2) ◽  
pp. 111
Author(s):  
Shucai Zhang ◽  
Xiaohua Zhang ◽  
Ping Jia ◽  
Qian Wang ◽  
Xianghong Cao
Keyword(s):  
Environment Friendly

Mikania micrantha mixed woven fabric for quick blood clotting and wound healing

2020 ◽  
Vol 6 (5) ◽  
Author(s):  
Shaikh Md Mominul Alam ◽  
Shilpi Akter ◽  
Md Lutfor Rahman
Keyword(s):  
Wound Healing ◽  
Blood Clotting ◽  
Woven Fabric ◽  
Excessive Bleeding ◽  
Sustainable Operations ◽  
Environment Friendly ◽  
Mikania Micrantha ◽  
Leaf Powder ◽  
Medical Textile ◽  
Dressing Materials

The aim of this paper is to introduce novel dressing with Mikania Micrantha for quick blood clotting and wound healing. When epidermis of human skin is cut or scrapped, sometimes too much bleeding occurs. Excessive bleeding may cause death, if bleeding is not stopped immediately. To promote blood clotting & wound healing natural based bio materials are still insufficient in medical textile sector. To fill up this scarcity, woven fabric treated with Mikania micrantha leaf juice & leaf powder was examined. M. micrantha exhibits good blood clotting time in comparison with available dressing materials. Woven fabric (bandage) that contains M. micrantha can be used for cut wounds healing purpose. The experiments were carried out in environment friendly way which indicates the production & processing of these dressing materials can have enormous contribution to sustainable operations and products.

Experimental Testing of Older AASHTO Type II Bridge Girders with Corrosion Damage at the Ends

PCI Journal ◽  
2019 ◽  
Vol 64 (1) ◽  
Author(s):  
Cameron D. Murray ◽  
Brittany N. Cranor ◽  
Royce W. Floyd ◽  
Jin-Song Pei
Keyword(s):  
Experimental Testing ◽  
Corrosion Damage ◽  
Bridge Girders ◽  
Type Ii

ENVIRONMENT-FRIENDLY COMPOSITE PROPELLANTS BASED ON AMMONIUM DINITRAMIDE

2019 ◽  
Vol 18 (1) ◽  
pp. 31-49
Author(s):  
Volker Gettwert ◽  
Volker Weiser ◽  
Claudio Tagliabue ◽  
Sven Hafner ◽  
Sebastian Fischer
Keyword(s):  
Ammonium Dinitramide ◽  
Environment Friendly

DESIGN, MANUFACTURING AND EXPERIMENTAL TESTING OF A SELF-CLEANING EXIT PORT MECHANISM FOR A SOLAR REACTOR

2019 ◽  
Author(s):  
Joppe Rutten ◽  
Jens Verschoren ◽  
Nesrin Ozalp ◽  
Cédric Ophoff ◽  
David Moens
Keyword(s):  
Experimental Testing ◽  
Solar Reactor ◽  
Exit Port ◽  
Self Cleaning

Storage Problems of Poplar Chips from Short Rotation Plantations with Special Emphasis on Fungal Development

2012 ◽  
Vol 8 (1) ◽  
pp. 123-132 ◽  
Author(s):  
Zsuzsanna Horváth ◽  
Béla Marosvölgyi ◽  
Christine Idler ◽  
Ralf Pecenka ◽  
Hannes Lenz
Keyword(s):  
Particle Size ◽  
Health Risk ◽  
Dry Matter ◽  
Ph Value ◽  
Wood Chips ◽  
Raw Material ◽  
Special Focus ◽  
Fungal Development ◽  
Short Rotation ◽  
Fungal Particles

Abstract - There are several problems in storing wood chips freshly harvested from short rotation plantations, which result in quality losses as well as in dry matter and energy losses. The factors influencing the degradation of raw material are examined in this paper with special focus on fungal development. An excessive growth of fungi is connected to dry matter losses and also to an increased health risk during raw material handling. The following factors were measured during 6 months storage of poplar wood chips depending on particle size: box temperature, moisture content, pH-value, appearance of fungi in the storage and the concentration of fungal particles in the air. The results show a close connection between particle size, temperature and attack of fungi. During the storage mesophilic and termophilic species of the genera Alternaria, Aspergillus, Cladosporium, Mucor and Penicillium appeared. The concentration of fungal particles is the highest for fine chips and decreases in bigger particles. There was a special focus on the investigation of the properties of coarse chips (G 50), which represent a good compromise between handling, storage losses and health risk due to fungal development.

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