Sulfur Removal from Low‐Sulfur Gasoline and Diesel …
Sulfur Removal from Low-Sulfur Gasoline and Diesel Fuel by Metal-Organic Frameworks. S. Achmann, G. Hagen, M. Hämmerle, I. M. Malkowsky, C. Kiener, …
The S Zorb™ Sulfur Removal Technology |
* The maximum limit of the S Zorb TM feed sulfur content is 1500μg/g.. II. Characteristics 1. Performance. The S Zorb TM Sulfur Removal Technology (the S Zorb TM) has the advantage of higher sulfur removal, minimal octane loss, lower hydrogen consumption and very low energy consumption.The unique catalytic chemistry can …
Sulfur removal by adding aluminum in the bayer process of high-sulfur
This paper proposes a novel approach to sulfur removal by adding aluminum in the bayer process of high-sulfur bauxite. The effects of aluminum dosage on the concentrations of different valence sulfur in sodium aluminate solution were investigated at length to find that high-valence sulfur (S 2 O 3 2−, SO 3 2−, SO 4 2−) concentration in …
Treatment of sulfurous off-gasses | Sulfur removal | Topsoe
Removing sulfur from off-gases is vital for many industrial operations. Regulations are tightening, and operators are forced to optimize the efficiency of their downstream treatment units. Topsoe's Wet gas Sulfuric Acid (WSA) technology converts sulfur compounds in off-gases to valuable sulfuric acid with best-in-class energy economy. WSA ...
Mechanism and Kinetics of Sulfur Removal during Photo
Abstract Titanium (TiO2) adsorbents demonstrated enhanced sulfur removal capacities during the novel photo-assisted adsorptive desulfurization (PADS), and photo-induced adsorption sites were proven to be stable. In situ infrared (in situ IR) spectroscopy was applied to analyze the sulfur removal pathways of benzothiophene …
Sulfate removal and sulfur transformation in
In this study, sulfur (S) removal and transformation in five batch constructed wetlands (CWs) treating secondary effluent were investigated. The results showed that the presence of the plant cattail ( Typha latifolia ) had little effect on sulfate removal, while the carbon-rich litter it generated greatly improved sulfate removal, but with ...
Removal of sulfur compounds and siloxanes by physical …
Abstract. The removal of sulfur compounds and siloxanes, which are major impurities in the biogas produced from the anaerobic digestion of sewage sludge, was studied using a bench-scale adsorptive gas purification experimental setup. The main impurities are hydrogen sulfide (H 2 S), carbonyl sulfide (COS), carbon disulfide (CS2 ...
Sulfur Removal Solutions for Gas Gathering Systems
Typical treatments for removal require 14-20 wt% sodium hydroxide (NaOH) (caustic). Caustic will also remove CO2 and some elemental sulfur. For COS removal, the system uses monoethanolamine (MEA)/caustic, which hydrolyzes COS. Caustic extraction units specifically designed for gas gathering systems are fully automated and require minimal ...
Sulfur removal and release behaviors of sulfur-containing …
Three kinds of coal and their density separated samples were rapidly pyrolyzed in a free-fall reactor under a nitrogen stream at a terminal temperature of 1253 K and showed that the low-density group contained sulfide and sulfoxide, which could contribute to the high extent of organic sulfur removal.
Sulfur Removal from Spent Ladle Refining Furnace Slag at …
To develop an effective method for removing sulfur from spent refining slag at high temperature, the slag was treated in argon atmosphere using desulfurization ash as desulfurization reagent. Experimental results revealed that at 1773 K, molar ratio of CaS to CaSO4 + CaSO3 of 3:1, and reaction time of 2 hours, sulfur removal efficiency reached …
Autotrophic denitrification based on sulfur-iron minerals
The filter could simultaneously remove ammonia nitrogen, nitrate nitrogen, and TP, and generate less sulfur dioxide than the autotrophic denitrification system with sulfur as the substrate. The removal rate of ammonia nitrogen, nitrate nitrogen, and TP in the system could reach 97.8%, 94.1%, and 82% respectively, which had a relatively …
Liquid redox sulfur recovery options, costs, and …
Liquid redox chemistry has been employed for sulfur removal and recovery applications since the 1950's. The first process was the Stretford process, which was used commercially in the United Kingdom in the 1960's as a replacement for the iron sponge process in the treatment of sour town gas. The Stretford process has been joined in the United ...
Metal and sulfur removal from petroleum oil using a novel
The removal efficiencies for the Basra oil were superior to those for the Iranian oil, with 90%, 79%, and 63% of V, Ni, and sulfur being removed, respectively (Table 7 and Fig. 17). Download : Download high-res image (125KB) Download : Download full-size image; Fig. 16. Removal efficiency for the Iranian oil treated with 2 vol% DM-DS.
Sulfur removal from heavy and light petroleum
One recent area of innovation to remove sulfur from upgraded crude is oxidative desulfurization, a process that can operate under mild conditions and without the need for external H 2. In this paper, the mechanism, process, and the new inventions of selectively oxidative desulfurization are reviewed. Previous chapter.
Process Screening Analysis of Alternative Gas Treating and Sulfur …
Process Screening Analysis of Alternative Gas Treating and Sulfur Removal for Gasification. 2002 - Revised Final Report. Korens, Nick. Simbeck, Dale R. Wilhelm, Donald J. SFA Pacific, Inc. In this pdf format, this document has …
Simultaneous nitrogen and sulfur removal through
Simultaneous nitrogen and sulfur removal through synergy of sulfammox, anammox and sulfur-driven autotrophic denitrification in a modified bioreactor enhanced …
Liquid redox sulfur recovery options, costs, and …
First published: November 1989. https://doi/10.1002/ep.3300080412. Citations: 9. PDF. Tools. Share. Abstract. Liquid redox chemistry has been employed for sulfur removal and recovery applications since the 1950's.
Simultaneous removal of carbon, sulfur, and nitrogen from …
Previously, wastewaters containing organic matter such as sulfur and other nitrogenous compounds were treated by employing separate biotechnologies. The current investigation investigated simultaneous carbon, nitrogen, and sulfur removal in single bioreactor under oxygen and oxygen deficient experimental conditions. Two separate …
Global trends in technologies and nanomaterials for …
Volume 359, 1 August 2022, 119340. Global trends in technologies and nanomaterials for removal of sulfur organic compounds: Clean energy and green environment. Tawfik A.Saleh. Show more. Add to Mendeley. https://doi/10.1016/j.molliq.2022.119340Get …
SULFUR REMOVAL
water and solid iron sulfide. • Biological Processes. Biological sulfur removal processes (BioStrip) use specialized anaerobic bacteria to reduce sulfur in biogas. Bacteria live on packed media inside the treatment vessel, and require only a supply of water, nutrients, and sulfur. Phone: 503-374-9709 Fax: 503-946-3226 Email: info@methanesys.
Removal of sulfur and nitrogen pollutants in a sediment …
The study focused on: (1) investigating the enhanced effects of P-SMFC for sulfur and nitrogen pollutants removal; (2) clarifying the structure of microbial communities associated with bioelectricity generation and pollutants removal in P-SMFC; (3) revealing the molecular mechanisms of sulfur and nitrogen transformation by metagenomic ...
SR2 SULFUR REMOVAL AND RECOVERY …
SR2 is an integrated multi-contaminant removal process that incorporates acid gas removal, sulfur recovery, and tail gas treating in one step. The process is applicable for …
Selective adsorption for removing sulfur
The ionic liquids have been applied for selective sulfur removal from fuels in recent years, because the ionic liquids are easy to be regenerated from adsorbed S-containing compounds by distillation or by dissolution in water, where ionic liquids are air- and moisture-stable at low temperature and non-corrosive.
How to Get Rid of Sulfur When Well Water Smells
Activated Carbon Filters. Activated carbon filtration is a suitable water treatment solution for the removal of a low concentration of sulfur contamination in water. This type of filter can be installed at your home's point of entry, providing your plumbing, pipes and heaters with clean, pleasant-smelling water.
(PDF) Article Open Access SULFUR REMOVAL OF CRUDE …
At the optimum operating conditions of 65 o C, 60 min contact time, and adsorbent dose of 2 gm /100 mL, the sulfur removal was 43%, and at 2:1 solvent/oil ratio, extraction method gave comparable ...
Alternative Methods for the Removal of Sulfur Compounds …
Alternative methods are examined for the removal of sulfur compounds from hydrocarbon fractions in order to meet the strict specifications for sulfur content and reduce the sulfur content in petroleum raw material. The advantages of such alternative sulfur removal methods include low temperature and pressure, no need for introducing …
Sulfur removal methods
In the case of a feedstock with low sulfur content, removal of sulfur can be achieved by absorption processes, e.g., absorption on a zinc oxide catalyst bed. In the …
How to Get Rid of Sulfur in Well Water
Using Oxidizing Media Filters. Oxidizing media filters, also sometimes called aeration treatments or air injection treatments is another way to rid your well water of sulfur (or high levels of iron). An oxidizing …
Fixed-bed sulfur removal unit vs. liquid scavengers
The SJE System. SJE Modular Sulfur Removal Units are designed to keep low H2S concentration wells moving forward. A new batch of specialty adsorbent is fed into the system when maximum concentration is reached, in order to maintain efficiency. Our fixed bed system consists of two vessels and a lead-lag piping skid, to ensure the best, most ...
Sulfur doped Bi-MOF with adjustable band gap for tetracycline removal
TC removal tests demonstrated that CAU-17–0.02 S exhibited a removal efficiency of 62.9%, and the degradation rate constant is 1.44 times than that of bare CAU-17. ... Sulfur (S) element is doped in the novel Bi-based metal-organic frameworks CAU-17, which causes the generation of oxygen vacancies in CAU-17, and the introduction of S …