scholarly journals Kemampuan Powder Activated Carbon dalam Menurunkan Kadar Besi Total pada Air Sumur Bor di Kecamatan Astambul Kabupaten Banjar Tahun 2016

Author(s):  
Sahliah Sahliah ◽  
Munawar Raharja ◽  
Syarifudin A.

Abstract: Powder Activated Carbon Capability In Reducing Total Iron Content In Borehole Well Water In Astambul District Banjar Regency Year 2016. Borehole well water in Astambul Regency is proved containing total iron content with physical characteristics such as the yellow-colored deposits and malodorous smell, then it should be do water processing first, which one alternative is using powder activated carbon. This study aims to find out total iron content in borehole well water after given a treatment by adding powder activated carbon according dose variance and contact time. Dependence variable of this study (total iron content), independence variable (variance and contact time with jar test method). This study is true experimental in nature. The study sample is a resident’s borehole well water in Tambak Danau Village Astambul District Banjar Regency. Data analysis is using Two-Way Anova statistical test. The study results total iron content in borehole well water before processing 3.35 mg/L Fe, after processing the decreasing result to the highest dose variance 0.8 gr/L and contact time 30 minutes results to 0.46 mg/L Fe with declining percentage is 76.64%. The statistical test result in p-value 0.000 < alpha value 0.05. It means, there is a difference in the decrease of total iron content due dose variance and contact time variance. Meanwhile the result of dose*time p-value 0.354 > alpha value 0.05. It means, there is no difference in the decrease of total iron content due to the powder activated carbon dose and contact time variance interaction. Keywords: Total iron content; activated carbon.

1993 ◽  
Vol 73 (4) ◽  
pp. 447-457 ◽  
Author(s):  
W. E. Dubbin ◽  
A. R. Mermut ◽  
H. P. W. Rostad

Soils developed from parent materials derived from uppermost Cretaceous and Tertiary sedimentary rocks have been delineated from those which do not contain any of these younger sediments. The present study was initiated to determine the validity of this delineation. Parent materials from six locations in southwestern Saskatchewan were collected to determine their general chemical and physical properties. Clay fractions from each of these six parent materials were then subjected to detailed chemical and mineralogical analyses. The two parent materials containing the greatest amount of post-Bearpaw bedrock sediments (Jones Creek, Scotsguard) were characterized by substantially more organic carbon and less CaCO3. The presence of coal and the absence of carbonates in local bedrocks were considered to be the source of these deviations. In general, fine clays were comprised of 64–69% smectite, 14–21% illite and 10–13% kaolinite and coarse clay contained 32–39% smectite, 25–34% illite and 11–14% kaolinite. An exception was found in two fine clays which had less smectite but 3–6% vermiculite. Total iron content of the fine clays ranged from 7.16 to 8.11% expressed as Fe2O3. However, only a small fraction of this iron was extractable using the CDB technique. There were no substantial differences in surface areas or CECs of the clay fractions. Despite minor differences in the chemistry and mineralogy of these six parent materials, a separation of the soil associations does not appear to be warranted. Key words: Parent materials, uppermost Cretaceous, Tertiary, bedrock, clay mineralogy


2000 ◽  
Vol 5 (2) ◽  
pp. 91
Author(s):  
A.S. Modaihsh ◽  
A.E. Abdallah ◽  
A.S. Mashhady

Inorganic fertilizers with major nutrients are likely to be contaminated with some micronutrients. Fertilizers, utilized in Saudi Arabia, were analyzed for their total and water-soluble content of Fe, Zn, Mn and Cu. They represented three categories namely: phosphatic, solid multiple nutrient fertilizers (SMNF) and water-soluble multiple nutrient fertilizers (WSMF). Total iron content in examined fertilizers was higher in phosphatic fertilizers and lower in WSMF. Nevertheless, only a very small portion of the total iron content is likely to be available to plants. It was estimated, on the basis of total content, that almost 2 g of iron would be applied to soil for each added kg of phosphatic fertilizer. The highest total content of Zn was recorded for phosphatic fertilizers. The data suggested that less than half kg of Zn would be accumulated in soil if 500 kg of phosphatic fertilizers were applied in one year. This value however, fell dramatically, to one fourth of the value, when only the available forms of Zn were considered. Fertilizer content of manganese and copper were lower than both Fe and Zn. Micronutrient impurities present in inorganic fertilizers might not have an immediate influence on plant nutrition due to their lower solubility.  


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