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Sulfur recovery summary

  • Options for Small-Scale Sulfur Recovery SPE Production

    Summary. With the issuance by the Alberta Energy Resources Conservation Board and Alberta Environment of their report entitled Sulphur Recovery Guidelines for Sour Gas Plants in Alberta in August of 1988, the requirement in Alberta to recover sulfur was broadened to a sulfur content of 1 tonne/D or greater in the inlet gas to a new sour-gas

  • Debottlenecking Claus Sulfur Recovery Units: An

    Dec 19, 2014· Sulfur recovery was as follows: Thermal Stage Kmol/h Stage 1 Kmol/h Stage 2 Kmol/h Stage 3 Kmol/h Base Case 184.6 85.4 23 4.8 Zinc Titanate Case 208.6 100.5 23.9 0 The condenser duties were not accurately modeled by Aspen but it is apparent that the third catalytic stage is redundant (subject to confirmation) and that the first two

  • CA2829563A1 - Sulfur recovery unit and sulfur recovery

    Provided is a sulfur recovery device comprising: a reactor that introduces a hydrogen sulfide-containing gas and an oxygen-containing gas, and causes a high-temperature Claus reaction between the hydrogen sulfide-containing gas and the oxygen-containing gas; a first sulfur condenser that cools the reaction gas discharged from the reactor and condenses sulfur; a reheater that reheats the

  • Adaptive predictive control of the sulfur recovery process

    The sulfur recovery process represents the final stage in the refinery production chain, and is respon- sible for removing the sulfur content, usually in the form of hydrogen sulfide (H 2S) waste gas generated by other refinery processes.

  • Characterization Of Sulfur Recovery From Refinery Fuel Gas

    ----- TABLE OF CONTENTS SUMMARY ix OBJECTIVE AND SCOPE 1 INTRODUCTION 3 RECOVERY OF SULFUR IN PETROLEUM REFINERIES 5 General 5 Processes for the Removal of Hydrogen Sulfide from Refinery Process-Gas Streams. . 9 Sour-Water Stripping as a Source of Refinery Sulfur 15 CONVERSION OF RECOVERED H2S INTO ELEMENTAL SULFUR 21 Vapor-Phase Oxidation of H

  • Sulfur Recovery Reliability and Maintenance Course Online

    During the last 40 years the sulfur recovery industry has successfully worked through challenges such as tail gas treating, ammonia destruction, debottlenecking, and turndown operations.

  • Novel Leak Detection Method for Sulfur Recovery Unit

    Summary. At a Shell sour-gas processing facility in Alberta, Canada, hydrogen sulfide contained within the natural gas is converted into elemental sulfur by means of a sulfur recovery unit (SRU).

  • AP-42, CH 8.13: Sulfur Recovery

    8.13 Sulfur Recovery 8.13.1 General1-2 Sulfur recovery refers to the conversion of hydrogen sulfide (H2S) to elemental sulfur. Hydrogen sulfide is a byproduct of processing natural gas and refining high-sulfur crude oils. The most common conversion method

  • Example - sulfur from refineries - Consequential LCA

    Sulfur. Synonyms S. Context and background Sulfur is a by-product of processing natural gas and refining high-sulfur crude oils. According to US EPA most of the 68,000,000 metric tons of sulfur produced worldwide in 2012 was a by-product from refineries and

  • SuperClaus Process for enhanced sulfur recovery

    Table 2.2 Sulfur recovery reported in various formats for the process analyzed in this review 8 Table 2.3 process summary 8 Table 3.1 World production of sulfur 10 Table 3.2 World imports of sulfur 11 Table 3.3 World exports of sulfur 11 Table 3.4: Sulfur recovery projects 2019 12 Table 3.5 Sulfur recovery projects 2019 by licensor 14

  • Amine Regeneration and Sulfur Recovery - Process

    Aug 27, 2010· Summary This chapter contains sections titled: Amine Capacity Expansion Sulfur Plant Capacity Expansion Rich Amine Flash Drum Design Cascaded Seal Legs Sulfur Recovery from Sour Water Stripper Off

  • Claus process - Wikipedia

    The Claus process is the most significant gas desulfurizing process, recovering elemental sulfur from gaseous hydrogen sulfide.First patented in 1883 by the chemist Carl Friedrich Claus, the Claus process has become the industry standard.C. F. Claus was born in Kassel in the German State of Hessen in 1827, and studied chemistry in Marburg before he emigrated to England in 1852.

  • Sulfur Recovery Unit EPC Project in Shanxi Ruichang Energy

    The first sulfur recovery unit EPC project of Ruichang has been a major success. We stand out from the numerous bidders such as Dutch Holland, mainly relying on independent and proprietary technology. All custom designs from the process package to the detailed design are completed by the companys engineering design team.

  • Claus Process - an overview ScienceDirect Topics

    The Claus process is not a gas-purification process in the true sense of the word, as its principal objective is recovery of sulfur from gaseous hydrogen sulfide or, more commonly, from acid gas streams containing hydrogen sulfide in high concentrations.


    Summary All sulphur recovery units (SRUs) in the Province of Alberta employ thermal incinerators to treat the tail gas effluent from the SRUs prior to em itting the waste gas to the atmosphere. The purpose of the thermal incinerator is to facilitate the oxidation of all of the common reduced sulphur

  • 6.2.2. Sulfur Recovery and Tail Gas Treating

    Sulfur Recovery and Tail Gas Treating Sulfur is a component of coal and other gasification feed stocks. Resulting sulfur compounds in syngas need to be removed in most gasification applications due to environmental regulations or to avoid catalyst poisoning.

  • Adaptive predictive control of the sulfur recovery process

    The sulfur recovery process represents the final stage in the refinery production chain, and is responsible for removing the sulfur content, usually in the form of hydrogen sulfide (H 2 S) waste gas generated by other refinery processes. The main goal is minimizing the sulfur content in the gasses released into the atmosphere to comply with

  • Claus process - Wikipedia

    The catalytic recovery of sulfur consists of three substeps: heating, catalytic reaction and cooling plus condensation. These three steps are normally repeated a maximum of three times. Where an incineration or tail-gas treatment unit (TGTU) is added downstream of the

  • Handbook of natural gas transmission and processing

    Sulfur Recovery and Handling; 9.1 Introduction; 9.2 Sulfur properties; 9.3 Sulfur recovery; 9.4 Tail gas cleanup; 9.5 Sulfur degassing Summary Written by an internationally-recognized author team of natural gas industry experts, the third edition of Handbook of Natural Gas Transmission and Processing is a unique, well-documented, and

  • Petroleum Refineries (Catalytic Cracking, Catalytic

    Rule Summary This rule controls hazardous air pollutants emitted from catalytic cracking units, catalytic reforming units, and sulfur recovery units at petroleum refineries. Recent amendments changed the affected source designations and added new compliance options for catalytic reforming units that use:

  • Oxygen Enrichment at Sulphur Recovery Unit

    Project Summary 01 Definition of Project Installation of low level Oxygen Enrichment Unit in SRU units. Scope of Project Sulfur Recovery Efficiency % Sulfur Produced [tpd] Emissions to Incinerator [ppmmol] Design + 21 6070 2284 1323.8 5.79E+07 0.95 98.67 209.5 25.3 0

  • Measuring H2S in Sour Gas/Sulfur Recovery Unit (SRU)

    Introduction. H 2 S is an extremely dangerous chemical which occurs naturally in fossil fuels and is removed through refining processes. Gas that contains significant amounts of H 2 S is considered sour gas due to the foul aroma from H 2 S and other sulfur containing compounds.. The primary process for removing H 2 S from sour natural gas, sour water stripper gas and hydrotreater gas is

  • Sulphur Recovery - Waste

    Sulphur (Sulfur or Brimstone) The physical recovery of Sulphur and the efforts in the reduction of greenhouse gas emissions have become intertwined and inseparable.

  • Sulfur Recovery FSC 432: Petroleum Refining

    Sulfur recovery takes place in a series of two steps: Claus Process and SCOT Process. In the Modified Claus Process, partial combustion of H 2 S takes place to generate SO 2 that is reacted with the remaining H 2 S to recover sulfur as elemental sulfur.

  • Sulfur Recovery Unit (SRU)|CHIYODA CORPORATION

    Sulfur Recovery Unit (SRU) H 2 S removed in the AGR process is sent to the sulfur recovery unit (SRU) as acid gas. SRU recovers H 2 S as elemental sulfur through the Claus reaction (see the attached figure). Reactions occur in two stages: the flame reaction stage and the catalytic reaction stage.

  • IHS CHEMICAL Natural Gas Acid Gas Removal and Sulfur

    Jan 03, 2017· Table 2.5 Summary of economics for acid gas removal and sulfur recovery for three cases of Module-2 21 Table 2.6 Net sweetening cost based on unit volume of sour gas feed of Module -2 cases 23 Table 3.1 Global natural gas production by country and region, 2010 40 26

  • Jump Start Guide: Sulsim Sulfur Recovery in Aspen HYSYS V9

    The goal of the sulfur recovery process is to remove sulfur from process streams at an optimal recovery efficiency, with attention to tail gas specifications and costs. An accurate simulation model can be used for this purpose, in both design and operations. Sulsim Sulfur Recovery can be used to meet regulations and avoid penalties.

  • Novel Leak Detection Method for Sulfur Recovery Unit

    Summary At a Shell sour-gas processing facility in Alberta, Canada, hy-drogen sulfide contained within the natural gas is converted into elemental sulfur by means of a sulfur recovery unit (SRU). Tube leaks present in a water-cooled SRU condenser can lead to a variety of process issues, including corrosion and the oxidative formation


    Other Sulfur Removal Processes Small scale/batch processes < 20lbs of sulfur recovery scavenger processes e.g. Iron Sponge Zinc Oxide Chemsweet Sulfa-check Medium scale recovery 0.2 25 LTD of elemental sulfur Includes Lo- 11 & CrystaSulf 18. Sulfur Recovery Process Applicability Chart 19.

  • The impact of side reactions in sulphur recovery unit design

    Article Summary The sulphur recovery unit (SRU) using the modified Claus process is a critical part of most hydrocarbon processing plants because an inability to recover sulphur will normally result in significant SO2 emissions and large fines or severely reduced operations as mandated by local governmental regulations.

  • Sulfur Recovery Unit Air Liquide

    Sulfur Recovery Units, also known as Claus Units, use a feedstock of acid gases from sweetening units and sour-water strippers. The feedstock is sent into a proprietary burner system, where it is burnt sub-stoichiometrically with air. The resulting mixture of hydrogen sulfide and sulfur dioxide reacts to form elemental sulfur (Claus reaction

  • Extended Functionality and Validation of Sulsim Sulfur

    Executive Summary. Sulfur is a toxic impurity found in all crude oil, as well as conventional and unconventional natural gas sources. Sulfur must be removed in various The sulfur recovery process involves many energy-intensive steps, where process streams must be heated and cooled to achieve conversion and sulfur

  • Filtration and Separation In Sulfur Recovery - Chemical

    Sulfur is a major contaminant in the oil and gas industry that exists in various forms and requires separation from both water and process streams. In the many plants that make up the sulfur recovery trail, filtration and other separation processes are important in minimizing process upsets caused by the presence of contaminants. In fact, contamination control through separation is a key step

  • US4134735A - Sulfur recovery plant - Google Patents

    A sulfur recovery plant such as a modified Claus plant is provided with a source of pressurized liquefied inert gas and heating means, and the piping arranged so that the pressurized gas formed can be used to clean out plugs which form in the sulfur piping.

  • Sulfur - Registration Dossier - ECHA

    In this study, sulfur dust was tested in Wistar rats (OECD guideline 407 and GLP compliant) at doses of 100, 400 and 1000 (including recovery group) mg/kg bw/day (Rallis Research Centre 2005). All the groups consisted of 6 male and 6 rats. Treatment was discontinued for the high dose recovery group at the end of 28th day of treatment.

  • Gas Treating & Sulfur Recovery Training Course

    Sulfur recovery and tail gas processes are also covered, including standard Claus configurations, SuperClaus, EuroClaus, SCOT, etc. Special design and operation topics, such as trace sulfur compound handling and the importance of H2S:CO2 ratio, are covered as well.

  • Preventing or Extinguishing Molten Sulfur Tank and Pit Fires

    Sep 15, 2020· A modified Claus sulfur recovery unit (Claus SRU) is one common method for converting the removed H 2 S to molten elemental sulfur. The molten sulfur produced in a Claus SRU is stored and handled in a number of steps as depicted in the example in Figure 1.

  • Dealing with Aromatics in the Sulfur Recovery Unit

    The leaner the acid gas, the lower the recovery of S. High recovery targets require converting COS/CS 2. Influence of AG concentration at thermal stage H 2 S Content (%) 90 80 70 60 50 40 Furnace Temperature (°C) 1240 1175 1110 1045 970 890 Fraction of S in COS/CS 2 1.1 2.45 3.55 4.4 5.1 5.9


    The Sulfur Recovery Unit (SRU) is often referred to as the Claus Process. This process recovers elemental sulfur from petroleum and natural gas refining processes and reduces the hazardous sulfur emissions to limits permitted by national and local air quality requirements.

  • The Claus Sulfur Recovery Process Sulfur Recovery

    Sulfur recovery refers to the conversion of hydrogen sulfide (H2S) to elemental sulfur. Hydrogen sulfide is a by-product of processing natural gas and refining high-sulfur crude oils. There are many sulfur recovery technologies available for different applications, however the most common conversion method used is the Claus process.