scholarly journals A Study on the Effects of Technical Parameters on the Tensile Strength of Bamboo Plywood

2020 ◽  
Vol 207 ◽  
pp. 05004
Author(s):  
Svetlin Antonov ◽  
Nguyen Thanh Nam ◽  
Tran Trong Hy ◽  
Le Khanh Dien
Keyword(s):  
Tensile Strength ◽  
Raw Materials ◽  
New Product ◽  
Economic Benefits ◽  
Technological Parameters ◽  
Technical Parameters ◽  
Bamboo Pulp ◽  
Urgent Task ◽  
Natural Wood ◽  
By Products

The application of bamboo by-products such as bamboo branches, chips to recycle and produce pressed bamboo pulp is an urgent task in Vietnam. It perfectly replaces natural wood with artificial wood embryos from bamboo powder, which has both economic benefits of reserving the source of raw materials, environmental protection The paper presents a study on the influence of technological parameters on the tensile strength of pressed bamboo plastic fiber that is a new product of a project of our laboratory.

Study on the Effects of Technology Parameters on the Water Absorption and the Thickness Swelling of the Pressed Bamboo Pulp Plywood

2020 ◽  
Vol 863 ◽  
pp. 1-11
Author(s):  
Thanh Nam Nguyen ◽  
Tuyen Vo ◽  
Tran Van Hung
Keyword(s):  
Water Absorption ◽  
Raw Materials ◽  
Economic Benefits ◽  
Thickness Swelling ◽  
Technological Parameters ◽  
Bamboo Pulp ◽  
Urgent Task ◽  
Natural Wood ◽  
By Products

The application of bamboo by-products such as bamboo branches, chips to recycle and produce pressed bamboo pulp is an urgent task in Vietnam. It perfectly replaces natural wood with artificial wood embryos from bamboo powder, which has both economic benefits of reserving the source of raw materials, environmental protection... The paper presents a study of the influence of technological parameters on the water absorption and swelling thickness of pressed bamboo pulp plywood in order to ameliorate the quality of pressed bamboo pulp plywood in production of new materials for civil engineering with environmentally friendly bamboo wood pulp materials.

Study on the Effects of Technology Parameters on the Bending Strength of Press Bamboo Powder Plywood

2020 ◽  
Vol 863 ◽  
pp. 19-24
Author(s):  
Tuyen Vo ◽  
Thanh Nam Nguyen ◽  
Khanh Dien Le ◽  
Svetlin Antonov
Keyword(s):  
Mechanical Properties ◽  
Bending Strength ◽  
Raw Materials ◽  
Environmental Benefits ◽  
High Price ◽  
Technological Parameters ◽  
Bamboo Pulp ◽  
Urgent Task ◽  
Bamboo Powder ◽  
By Products

The application of bamboo by-products such as bamboo branches, debris... to recycle and produce bamboo powder plywood, perfectly saves high price natural resource of national wood with artificial wooden boards made from bamboo powder that ensures the reservation of natural source of raw materials and protecting of environment. Plywood that is made from bamboo powder has both economic and environmental benefits. It is an urgent task for providing a new version of material for civil engineering in Vietnam. The paper presents a study of the effect of technological parameters on the bending strength of pressed bamboo pulp plywood in order to enhance the mechanical properties of a new domestic product of construction in Vietnam.

scholarly journals An effect of the recipe composition on minced meat properties

2021 ◽  
Vol 6 (2) ◽  
pp. 174-182
Author(s):  
E. V. Tsaregorodtseva
Keyword(s):  
Milk Fat ◽  
Ph Value ◽  
Raw Materials ◽  
Binding Capacity ◽  
Raw Material ◽  
Chicken Breast ◽  
Technological Parameters ◽  
Water Binding ◽  
Minced Meat ◽  
By Products

The paper describes an experiment on the development of minced meat recipes for poultry-based semi-prepared products. The design principle included a search for optimal compatibility of recipe ingredients to develop a balanced meat system. The model recipes included meat from different animal and poultry species, by-products and dairy products. White and red turkey meat and chicken breast fillet provided recipes with complete animal proteins. Fat meat raw materials were partly replaced with milk fat. A semi-prepared product filled into an intestinal casing was named “sausages for grilling”. A technology of sausages for grilling was developed with the indication of the main control technological parameters for the production process and thermal treatment up to product readiness. The incoming control of raw material quality was carried out: dairy cream was assessed by acidity and pasteurization effectiveness; cheese by sensory indicators; meat raw materials by the pH value. The functional-technological properties of raw minced meat for sausages for grilling were compared before and after cooking by the pH level, moisture mass fraction, water binding capacity. The rheological properties of minced meat (adhesion, viscosity, shearing structural-mechanical properties) were studied. The expedience of introducing meat by-products and dairy ingredients into recipes of sausages for grilling to stabilize protein and fat in the meat system was substantiated. It was proved that replacement of the main raw materials in recipes with pork heart, ginger, cheese and chicken liver allows obtaining sausages for grilling with preservation of high quality indicators. Sausage sensory properties after grilling were analyzed.

Performance Prediction Research of Small Diameter Cold-Rolled Reinforced Bar Based on GA

2011 ◽  
Vol 101-102 ◽  
pp. 986-989 ◽  
Author(s):  
Bang Sheng Xing ◽  
Chang Long Du ◽  
Ning Ning Wang
Keyword(s):  
Tensile Strength ◽  
Performance Prediction ◽  
Raw Materials ◽  
Small Diameter ◽  
Rolled Steel ◽  
Technological Parameters ◽  
Cold Rolled Steel ◽  
Cold Rolled ◽  
Reduction Of Area ◽  
The Relationship

Performance prediction of small diameter cold-rolled reinforced bar using the genetic algorithm was proposed. A mathematical model about the relationship between the parameters, which were tensile strength of small diameter cold-rolled steel rebar product and raw materials’ tensile strength, reduction of area, speed of cold-rolling and coefficient of extension, was built. The appropriate genetic parameters were determined and the data optimization of small diameter cold-rolled steel rebar’s main technological parameters was calculated. According to the optimized parameters to predict and test its performance, the experiment results are basically similar to the predicted results, and this proves that the method is effective introduction.

The Comprehensive Utilization and Further Processing of Vegetable Oil Refining by-Products

2011 ◽  
Vol 356-360 ◽  
pp. 1839-1842 ◽  
Author(s):  
Cu Ne Gou ◽  
Xiao Hong Hao
Keyword(s):  
Raw Materials ◽  
Methyl Esters ◽  
Value Added ◽  
Economic Benefits ◽  
Oil Refining ◽  
Deodorizer Distillate ◽  
Vegetable Oil Refining ◽  
By Products ◽  
Distillate Extract ◽  
Value Added Products

Oil refining process will produce waste water, oil foot, soap, scarp clay, deodorizer distillate. A large number of by-products (oil foot, soap, deodorizer distillate) as a pharmaceutical and chemical raw materials, with high economic value.If we turning waste into treasure, with a complete process from the deodorizer distillate extract tocopherols, sterols, squalene, and to obtain fatty acid methyl esters (commonly known as biodiesel), integrated development and production of high value-added products that can bring significant social and economic benefits. At the same time a more reasonable treatment of the oil refining waste, and protecting our environment for survival.

A possibility of using nickel concentrate, obtained as a result of hydrometallurgical enrichment of manganese-containing raw materials, at steel alloying

2020 ◽  
Vol 76 (7) ◽  
pp. 709-715
Author(s):  
O. Yu. Kichigina
Keyword(s):  
Raw Materials ◽  
Experimental Studies ◽  
Selective Extraction ◽  
Technological Parameters ◽  
Nickel Iron ◽  
Nickel Recovery ◽  
Nickel Concentrate ◽  
Steel Alloying ◽  
High Degree ◽  
Comprehensive Processing

At production of stainless steel expensive alloying elements, containing nickel, are used. To decrease the steel cost, substitution of nickel during steel alloying process by its oxides is an actual task. Results of analysis of thermodynamic and experimental studies of nickel reducing from its oxide presented, as well as methods of nickel oxide obtaining at manganese bearing complex raw materials enrichment and practice of its application during steel alloying. Technology of comprehensive processing of complex manganese-containing raw materials considered, including leaching and selective extraction out of the solution valuable components: manganese, nickel, iron, cobalt and copper. Based on theoretical and experiment studies, a possibility of substitution of metal nickel by concentrates, obtained as a result of hydrometallurgical enrichment, was confirmed. Optimal technological parameters, ensuring high degree of nickel recovery out of the initial raw materials were determined. It was established, that for direct steel alloying it is reasonable to add into the charge pellets, consisting of nickel concentrate and coke fines, that enables to reach the through nickel recovery at a level of 90%. The proposed method of alloying steel by nickel gives a possibility to decrease considerably steel cost at the expense of application of nickel concentrate, obtained out of tails of hydrometallurgical enrichment of manganese-bearing raw materials, which is much cheaper comparing with the metal nickel.

PEMANFAATAN LIMBAH KULIT DURIAN (Durio zibethinus) DAN KULIT CEMPEDAK (Artocarpus integer) SEBAGAI EDIBLE FILM

2014 ◽  
Vol 6 (1) ◽  
pp. 27 ◽  
Author(s):  
Desi Mustika Amaliyah
Keyword(s):  
Tensile Strength ◽  
Food Packaging ◽  
Raw Materials ◽  
Edible Films ◽  
Edible Film ◽  
Durio Zibethinus ◽  
Yield Result ◽  
Pre Treatment

Durian (Durio zibethinus) and cempedak (Artocarpus integer) peels waste are not used by the society. The research aim is to extract pectin from durian and cempedak peels and to formulate the pectin into edible films for food packaging. The research stages were first pre-treatment of durian and cempedak peels, pectin extraction, pectin drying, and  pectin application as edible films with concentration of 0%, 5%, and 15%. Based on this research it was concluded that pectin can be extracted from durian and cempedak peels with yield result of 27.97 % and 55.58 %, respectively. Edible film obtained has  similar characteristics between raw materials cempedak and durian peels. The higher concentration of cempedak peel  pectin increased the thickness, but decreased the tensile strength and elongation at a concentration of 15%. While in edible films from durian peel pectin, the higher concentration of pectin decreased the thickness of edible film on pectin concentration of 15%, lowered tensile strength and raised the edible film elongation.Keywords: waste, durian, cempedak, pectin extraction, edible film

APPLICATION OF OIL PALM EMPTY FRUIT BUNCH FIBERS IN STRENGTH IMPROVEMENT AS A FIBER REINFORCED CONCRETE

2017 ◽  
Vol 25 (3) ◽  
pp. 161-170
Author(s):  
Henny Lydiasari ◽  
Ari Yusman Manalu ◽  
Rahmi Karolina
Keyword(s):  
Tensile Strength ◽  
Compressive Strength ◽  
Crack Length ◽  
Oil Palm ◽  
Fiber Reinforced Concrete ◽  
Structural Concrete ◽  
Empty Fruit Bunches ◽  
Construction Products ◽  
By Products ◽  
Strength Improvement

The potency of oil palm empty fruit bunches (OPEFB) fibers as one of the by-products of processing oil palm is increasing significantly so that proper management is needed in reducing environmental impact. One of the utilization of OPEFB fibers is as a substitution material in construction which usually the material is derived from non-renewable mining materials so that the number is increasingly limited. Therefore, it is necessary to study to know the performance of OPEFB fiber in making construction products especially concrete. In this case, the experiment was conducted using experimental method with variation of fiber addition by 0%, 10%, 15%, 20%, 25%, and 30%. Each specimen was tested by weight, slump value, compressive strength, tensile strength, elasticity and crack length. As the results, the variation of fibers addition by 10%, decrease of slump value is 7%, concrete weight is 3% and crack length is 8% while increase of the compressive strength is 2.7% and the modulus of elasticity is 33.3% but its tensile strength decreased insignificantly by 0.05% . Furthermore, the addition of fibers above 10% to 30% decreased compressive strength is still below 10% and tensile strength below 2% while the weight of concrete, slump value and crack length decreased. Therefore, the addition of 10% can replace the performance of concrete without fiber but the addition of above 10% can still be used on non-structural concrete.

scholarly journals Wine By-Products as Raw Materials for the Production of Biopolymers and of Natural Reinforcing Fillers: A Critical Review

Polymers ◽  
2021 ◽  
Vol 13 (3) ◽  
pp. 381
Author(s):  
Alessandro Nanni ◽  
Mariafederica Parisi ◽  
Martino Colonna
Keyword(s):  
Critical Review ◽  
Raw Materials ◽  
Green Revolution ◽  
Building Blocks ◽  
Poly Lactic Acid ◽  
Butylene Succinate ◽  
Reinforcing Fillers ◽  
Plastic Industry ◽  
Review Reports ◽  
By Products

The plastic industry is today facing a green revolution; however, biopolymers, produced in low amounts, expensive, and food competitive do not represent an efficient solution. The use of wine waste as second-generation feedstock for the synthesis of polymer building blocks or as reinforcing fillers could represent a solution to reduce biopolymer costs and to boost the biopolymer presence in the market. The present critical review reports the state of the art of the scientific studies concerning the use of wine by-products as substrate for the synthesis of polymer building blocks and as reinforcing fillers for polymers. The review has been mainly focused on the most used bio-based and biodegradable polymers present in the market (i.e., poly(lactic acid), poly(butylene succinate), and poly(hydroxyalkanoates)). The results present in the literature have been reviewed and elaborated in order to suggest new possibilities of development based on the chemical and physical characteristics of wine by-products.

scholarly journals Influence of biological origin on the tensile properties of cellulose nanopapers

Cellulose ◽  
2021 ◽  
Author(s):  
Katri S. Kontturi ◽  
Koon-Yang Lee ◽  
Mitchell P. Jones ◽  
William W. Sampson ◽  
Alexander Bismarck ◽  
...  
Keyword(s):  
Tensile Strength ◽  
Cell Wall ◽  
Bacterial Cellulose ◽  
Raw Materials ◽  
Cellulose Nanofibers ◽  
Nanofibrillated Cellulose ◽  
Primary Cell Wall ◽  
Biological Origin ◽  
Basic Principles ◽  
Fiber Mats

Abstract Cellulose nanopapers provide diverse, strong and lightweight templates prepared entirely from sustainable raw materials, cellulose nanofibers (CNFs). Yet the strength of CNFs has not been fully capitalized in the resulting nanopapers and the relative influence of CNF strength, their bonding, and biological origin to nanopaper strength are unknown. Here, we show that basic principles from paper physics can be applied to CNF nanopapers to illuminate those relationships. Importantly, it appeared that ~ 200 MPa was the theoretical maximum for nanopapers with random fibril orientation. Furthermore, we demonstrate the contrast in tensile strength for nanopapers prepared from bacterial cellulose (BC) and wood-based nanofibrillated cellulose (NFC). Endemic amorphous polysaccharides (hemicelluloses) in NFC act as matrix in NFC nanopapers, strengthening the bonding between CNFs just like it improves the bonding between CNFs in the primary cell wall of plants. The conclusions apply to all composites containing non-woven fiber mats as reinforcement. Graphic abstract

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