Rational Use of Oxidized Coals

2019 ◽  
Vol 23 (5) ◽  
pp. 22-27
Author(s):  
T.V. Shevchenko ◽  
Yu. V. Ustinova ◽  
A.M. Popov ◽  
Ya.A. Novikova ◽  
Sh.A. Fairushin
Keyword(s):  
Humic Acids ◽  
Chemical Properties ◽  
Animal Husbandry ◽  
Agricultural Products ◽  
Rational Use ◽  
New Methods ◽  
Oxidized Coal ◽  
Physico Chemical ◽  
Arable Farming ◽  
Effective Use

The ways of processing large-tonnage coal mining waste – oxidized coal into technical and agricultural products – are presented based on the rational and efficient use of some modified physico-chemical properties of original coal materials. Studied ways of rational use of oxidized coal in agriculture, based on effective use of coal derived humic acids: as an additive of its crushed fractions on the fields for growing grain and tuberous plants, as well as for the production of humic preparations (fertilizes, biological active additives based on humic acids for arable farming and animal husbandry). Proposed new methods of reclamation of disturbed lands with the help of microbiological destructors of oxidized coal.

scholarly journals Soil fertility status of Ratte Khera farm of Punjab Agricultural University, Punjab, India

2020 ◽  
Vol 41 (6) ◽  
pp. 1665-1675
Author(s):  
R. Bhatt ◽  
◽  
Sanjay Swami ◽  
Keyword(s):  
Chemical Properties ◽  
Available Phosphorus ◽  
Lower Range ◽  
Physico Chemical ◽  
Nutrient Index ◽  
Different Depths ◽  
Soil Fertility Status ◽  
Effective Use ◽  
P Fertilizers ◽  
Different Soils

Aim: To delineates micro and macro nutrients along with physico-chemical properties of Ratte-Khera farm of Punjab Agricultural University (PAU), Ludhiana, Punjab, India for effective use of nutrients. Methodology: Thirty two soil samples were collected during 2019 from eight different location using GPS from different soils depths viz.? 0-15,15-30, 30-60 and 60-90 cm in the problematic water logged soils of Ratte-khera farm. Further, GPS maps were also prepared pertaining to different depths for the judicious use of fertilizers in the region.? Parker nutrient index was also evaluated for different nutrients for the region. Results: Around 87.5% of the samples had normal pH (6.5 -8.7) and 12.5% soils were with pH on higher side with higher range of EC, lower range of SOC, higher and potassium. About 87.5 % samples were in higher available-phosphorus. Further, lower and higher range of DTPA zinc and copper observed in samples while 25 and 37.5% recorded with lower range of DTPA iron (Fe) and manganese (Mn). Correlation analysis revealed? availability of Fe is positively associated with Mn, P, Cu and Zn in the soil. Interpretation: Soils of Ratte-Khera farm reported to be saline (white alkali soils) with normal range of pH (no need to add any gypsum or lime). Final recommendation is to apply 25% higher dose of nitrogenous (N) and phosphatic (P) fertilizers with no need for potassic fertilizers. Further, micro-nutrients should be applied as and when symptoms observed on the field crops.

scholarly journals Physico-chemical properties of Rhododendron honey produced in Turkey

2013 ◽  
Vol 59 (3) ◽  
pp. 88-97 ◽  
Author(s):  
Pinar Goc Rasgele ◽  
Meral Kekecoglu
Keyword(s):  
Public Health ◽  
Chemical Properties ◽  
Physicochemical Characteristics ◽  
Invert Sugar ◽  
Honey Sample ◽  
Chemical Characteristics ◽  
Chemical Parameters ◽  
New Methods ◽  
Physico Chemical

Abstract Rhododendron honey is a monofloral honey and it is collected from the flowers of Rhododendron species widely spreading over many countries, mainly in America, Turkey, Indonesia, Australia. It is belived that Rhododendron honey treats several disorders and is used traditionally as an alternative medicine. The determination of the chemical characteristics of the Rhododendron honey is essential for public health. In this research, the physicochemical characteristics of Rhododendron, chestnut and flower honey samples collected from beekeepers in Turkey were determined and compared. Physico-chemical parameters such as moisture, acidity, sucrose, invert sugar, fructose/glucose, conductivity, diastase and hydroxymethylfurfural were analysed in each honey sample. According to the results obtained, no differences were found in physico-chemical properties of Rhododendron, honey samples, except from moisture and acidity compared with those of chestnut and flower honeys. In order to differentiate Rhododendron honeys, new methods should be developed. This honey should be reintroduced to medicine and used in pharmaceutical industry

scholarly journals Effect of ultrasonic exposure on the sowing quality of seeds

2021 ◽  
Vol 937 (2) ◽  
pp. 022118
Author(s):  
A Dorokhov ◽  
A Sibirev ◽  
Ar Aksenov ◽  
M Mosyakov ◽  
V Jurba ◽  
...  
Keyword(s):  
Seed Weight ◽  
Seed Treatment ◽  
Chemical Properties ◽  
Metabolic Process ◽  
Agricultural Products ◽  
Ultrasound Frequency ◽  
Livestock Breeding ◽  
Physico Chemical ◽  
Stimulation Of

Abstract The research aims to study the process of stimulation and the selecting of optimal modes of seed treatment with ultrasonic exposure. Increasing the yield of grain crops will provide the population with high-quality agricultural products and providing livestock breeding with a full-fledged feed base. Previous studies related to the pre-sowing stimulation of barley seeds with ultrasonic exposure to improve the sowing quality made it possible to assert an increase in the increase in seed weight by 10 to 12%. The optimal modes of their processing were the ultrasound frequency f =48 kHz, the oscillations intensity S=42 W/cm², and the exposure time t=480 sec. Ultrasonic vibrations change the Physico-chemical properties of seeds, the permeability of the cell membranes significantly increases, leading to accelerated swelling of the seeds, breathing intensifies, the metabolic process is activated; some enzymatic processes are activated while simultaneously inhibiting other enzyme systems and the sowing qualities of seeds change.

scholarly journals Humic acid from Shilajit: A physico-chemical and spectroscopic characterization

2010 ◽  
Vol 75 (3) ◽  
pp. 413-422 ◽  
Author(s):  
Suraj Agarwal ◽  
Khalid Anwer ◽  
Rajesh Khanna ◽  
Asgar Ali ◽  
Yasmin Sultana
Keyword(s):  
Humic Acid ◽  
Humic Acids ◽  
Chemical Properties ◽  
Spectroscopic Characterization ◽  
Fulvic Acids ◽  
X Ray Diffraction ◽  
Surfactant Properties ◽  
Dsc Studies ◽  
Physico Chemical ◽  
Different Origins

Shilajit is a blackish-brown exudation, consisting of organic substances, metal ions and minerals, from different formations, commonly found in the Himalayan region (1000-3000 m) from Nepal to Kashmir. Shilajit can also be collected throughout the mountain regions in Afghanistan, Bhutan, China, Ural, Baikal, Sayalcacasus and Atlai at altitudes between 1000 to 5000 m. The major physiological action of shilajit has been attributed to the presence of bioactive dibenzo-?-pyrones together with humic and fulvic acids, which act as carrier molecules for the active ingredients. In this work, the aim was to extract humic acid from Shilajit from various sources and characterised these humic acids based on their physico-chemical properties, elemental analysis, UV/Vis and FTIR spectra, X-ray diffraction pattern and DSC thermograms. The spectral features obtained from UV/Vis, FTIR, XRD and DSC studies for samples of different origins showed a distinct similarity amongst themselves and in comparison to soil humic acids. The surfactant properties of the extracted fulvic acids were investigated by determining the effect of increasing concentration on the surface tension of water. The study demonstrated that humic acids extracted from shilajit indeed possessed surfactant properties.

scholarly journals OBTAINING DERIVATIVES OF HUMIC SUBSTANCES FROM OXIDIZED COAL AND STUDY OF PHYSICO-CHEMICAL AND ADSORPTION PROPERTIES

2020 ◽  
Vol 6 (444) ◽  
pp. 57-64
Author(s):  
B.T. Yermagambet ◽  
◽  
M.K. Kazankapova ◽  
Zh.M. Kassenova ◽  
A.T. Nauryzbayeva ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Humic Substances ◽  
Humic Acids ◽  
Aqueous Media ◽  
Amino Groups ◽  
Chelate Complexes ◽  
High Adsorption ◽  
Oxidized Coal ◽  
Physico Chemical ◽  
Derivatives Of

In the work, a chemical analysis of humic substances based on oxidized coal of the Maikuben basin (Kazakhstan) is carried out. Humic acids were obtained on the basis of potassium humates by acidification with a 20% acid solution to pH = 3-4.5. The optimal conditions for obtaining nitrohumic acids from oxidized coals are: the duration of the process is 3 hours, the ratio of S:L = 1:5, the content of nitric acid is 64%, sulfuric acid is 96% and the composition of the nitrating mixture is 1:1 (g/g). Amminohumic derivatives were obtained in the presence of a 3% aqueous solution of ammonia using mechanical activation and ultrasonic treatment. The samples obtained were tested as an adsorbent for water purification from heavy metals. Humic acids and aminohumate showed the highest degrees of purification for zinc (99.0-100.0%) and cadmium (80.0-96.7%), and nitrohumic acid showed a high adsorption capacity for heavy metals like copper - 100.0 % and lead 82.9%. This is due to the fact that when interacting with heavy metals, humic acids and their derivatives (amino and nitro) form chelate complexes due to carboxyl, phenolic, nitro and amino groups. As a result of the study, the possibility of using them as non-toxic available sorbents for the purification of heavy metals in aqueous media has been shown.

Decoration of specific sites on freeze-fractured membranes

1978 ◽  
Vol 36 (2) ◽  
pp. 140-141
Author(s):  
H. Gross ◽  
H. Moor
Keyword(s):  
Pure Water ◽  
Freeze Fracture ◽  
Chemical Properties ◽  
Surface Forces ◽  
Sulfate Pentahydrate ◽  
Copper Sulfate Pentahydrate ◽  
Physico Chemical ◽  
Water Of Hydration ◽  
Small Container ◽  
Binding Forces

Fracturing under ultrahigh vacuum (UHV, p ≤ 10-9 Torr) produces membrane fracture faces devoid of contamination. Such clean surfaces are a prerequisite foe studies of interactions between condensing molecules is possible and surface forces are unequally distributed, the condensate will accumulate at places with high binding forces; crystallites will arise which may be useful a probes for surface sites with specific physico-chemical properties. Specific “decoration” with crystallites can be achieved nby exposing membrane fracture faces to water vopour. A device was developed which enables the production of pure water vapour and the controlled variation of its partial pressure in an UHV freeze-fracture apparatus (Fig.1a). Under vaccum (≤ 10-3 Torr), small container filled with copper-sulfate-pentahydrate is heated with a heating coil, with the temperature controlled by means of a thermocouple. The water of hydration thereby released enters a storage vessel.

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