elemental sulfur concentration

(PDF) Effect of Elemental Sulphur Timing and …

Elemental sulfur of waste origin may be a valuable sulfur source for plants. However, assessing the suitability of environmental use of a waste material should confirm there is no harmful effect ...

Influence of Sulfur Concentration on Bioleaching of Heavy …

with an elemental sulfur concentration of 5 g/L, as the pH declined to less than 2. The acclimation of the sulfur-oxidizing microflora was performed by a serial transfer, according to the method

Room Temperature One-Step Conversion from Elemental …

The utilization of sulfur is a global concern, considering the abundant and cheap source of sulfur from nature and petroleum industry, its limited consumption, and the safety/environmental problems caused during storage. The economic and efficient transformation of sulfur remains to be a great challenge for both academia and industry. Herein, a room temperature conversion from sulfur to ...

(PDF) Effect of Elemental Sulfur on Pitting Corrosion of …

Elemental sulfur deposition commonly occurs in sour gas production fields, especially in high H 2S concentration level reservoirs. In aqueous conditions, contact of solid sulfur with mild steel ...

Sulfur

 · Elemental sulfur recovery up to 95% was achieved under oxygen limited conditions (DO < 0.2 mg/L) and at higher pH values. The sulfur oxidizing bacteria in the bioreactor tolerated accumulated dissolved sulfide concentrations >500 mg/L at pH values …

EFFECT OF DISSOLVED OXYGEN CONCENTRATION ON THE BIOLOGICAL OXIDATION OF SULFIDE AND ELEMENTAL SULFUR BY THE A-TYPE SULFUR …

J. Gen. Appl. Microbiol., 33, 391-400 (1987) EFFECT OF DISSOLVED OXYGEN CONCENTRATION ON THE BIOLOGICAL OXIDATION OF SULFIDE AND ELEMENTAL SULFUR BY THE A-TYPE SULFUR- TURF GROWING IN HOT SPRING

Sulfate Sulfur vs. Elemental Sulfur Part I: There''s a …

- Sulfate-Sulfur is the only form of S the plant can utilize. - Elemental S is dependent upon time, temperature and moisture to be available to the plant. - Sulfate-Sulfur will not acidify the soil. For various reasons, sulfur (S) deficiencies are increasing in many areas of the country. Consequently, fertility programs use this nutrient more routinely. The most common chemical forms of S used ...

(PDF) Effects of elemental sulfur and sulfur-containing …

Sulfur concentration was significantly increased with S doses in applications resulted in Zn increase in bean in individual 2 continuing experiments individually and their means . doses as well as the mean values of both experiments. Both sources of S ...

Extraction of elemental sulfur from an aqueous …

 · The concentration of elemental sulfur must be measured explicitly in order to study the efficiency of the conversion of sulfide to elemental sulfur. Extracting the sample with ethanol gave erroneous results when sulfide was present in solution.

Quantification of elemental sulfur in acid sulfate soils and sediments

The concentration of elemental sulfur (S E) in % S is calculated as follows: Where: A = The elemental sulfur concentration (in mg/L) m = The oven dried mass of soil (in g) CRICOS P 04G CRICOS P 04G S E (%) = (A x 20) / m 10 000

Oxidation of Elemental Sulfur in Soils | Mosaic Crop …

Oxidation of elemental S is also affected by the characteristics of the fertilizer, including the particle size of elemental S and/or its concentration in the fertilizer. Oxidation is a surface-based process, and surface area increases dramatically as particle size decreases; therefore, particle size is one of the most important attributes affecting oxidation.

Quantitative Chromatographic Determination of Dissolved …

 · Interestingly, the elemental sulfur concentration in the electrolyte recovered from the discharged Li-S battery is higher than the saturated concentration. The hypothesis for the interesting observation is that the oversaturation of S in the discharged electrolyte was result from the disproportionation of long chain polysulfide ions.

Kinetics of heavy metal biosolubilization from …

Figure 6 shows the variation in the rate constant values with respect to elemental sulfur concentration used for biosolubilization of Zn, Ni, and Cr. The maximum rate constant values of biosolubilization were found to be 0.0046, 0.0033, and 0.0081 h −1 for Cr, Ni ...

Chemolithotrophic denitrification with elemental sulfur for …

 · Impact of elemental sulfur concentration on denitrification activity Elemental sulfur is an insoluble, apolar mineral, thus mass transfer is expected to …

Elemental Sulphur

Elemental S is a yellow, inert, water-insoluble crystalline solid. Commercially it is stored in the open, where it remains unaltered by moisture and temperature changes. When S is finely ground and mixed with soil, however, it is oxidized to SO 4 -2 by soil microorganisms.

Sulfate and Elemental Sulfur – The Dynamic Duo | …

Sulfur (S) is one of the 17 elements essential for plant growth, and the fourth most important after nitrogen (N), phosphorus (P) and potassium (K) in terms of amount required by corn. The two forms of S crops need to thrive are sulfate S (SO₄²⁻) and elemental S (S⁰).

Influence of Sulfur Concentration on Bioleaching of Heavy …

elemental sulfur in a batch test, (2) Determine the optimal concentration of elemental sulfur in the bioleaching process, (3) Determine the efficiency parameters for estimating metal solubilization, and (4) Identify sulfur-oxidizing bacteria in the bioleaching process.

Sulfate and Elemental Sulfur – The Dynamic Duo | Mosaic …

Elemental sulfur recovery up to 95% was achieved under oxygen limited conditions (DO < 0.2 mg/L) and at higher pH values. The sulfur oxidizing bacteria in the bioreactor tolerated accumulated dissolved sulfide concentrations >500 mg/L at pH values 8.0–8.5, and near removal efficiency was achieved.

Sulfur

Sulfur oxidizers can use as energy sources reduced sulfur compounds, including hydrogen sulfide, elemental sulfur, sulfite, thiosulfate, and various polythionates (e.g., tetrathionate). [82] They depend on enzymes such as sulfur oxygenase and sulfite oxidase to oxidize sulfur to sulfate.

Influence of Sulfur Concentration on Bioleaching of Heavy Metals …

industrial waste sludge is governed by adding elemental sulfur. A sulfur concentration exceeding 0.5% (w/v) inhibits sulfate production and the activity of acidophilic bacteria.

Determination of Elemental Sulfur in the Presence of …

The quantitation of elemental sulfur in sediment samples from anaerobic digestion reactor is obvious, and the average concentration of elemental sulfur on the basis of the dry weight of the sediment is 5.24 mg/g. The method was sensitive and exhibited good

The use of dithiothreitol for the quantitative analysis of …

 · Concentration Recovery n Elemental sulfur Elemental sulfur in methanol A 57.5 μM 99.2% ± 5.4 3 Elemental sulfur in methanol B 46.0 μM 102% ± 0.4 3 Elemental sulfur in methanol C 62.5 μM 94.5% ± 4.2 3 Elemental sulfur in ethanol A 62.3 μM 93.4% ± 4.2 3 B

Quantitative Chromatographic Determination of Dissolved Elemental Sulfur in the Non

elemental sulfur in 100.00 ml DME, the molar concentration was 4.722mM. The standard solutions of 1.889mM, 0.378mM, 0.0756mM, and 0.0151mM were then made by diluting the

Chemolithotrophic denitrification with elemental sulfur …

 · The effect of elemental sulfur concentration on the rates of nitrate utilization and product formation by chemolithotrophic denitrifying sludge (0.5 g VSS/L) in batch bioassays supplied with 4.3 mM nitrate. (Panel A) 1.9 mM elemental sulfur. (Panel B) 15.2

Figure 17 from ELEMENTAL SULFUR CORROSION OF …

 · Elemental sulfur deposition commonly occurs in sour gas production fields, especially in high H2S concentration level reservoirs. In aqueous conditions, contact of solid sulfur with mild steel can initiate catastrophic corrosion problems. According to the previous ...

Modeling Of Elemental Sulfur Deposition In Sour-Gas …

Sulfur deposition has been a prominent internal corrosion accelerant issue in sour gas pipeline production operations. In this paper, a theoretical model is proposed to predict the behaviour of elemental sulfur (S8) deposition in a sour-gas petroleum pipeline. During ...

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