Selas Fluid Oxidation Technologies

Transcription

1 Selas Fluid Oxidation Technologies

2 Technology Based, Proven Waste and Emission Control Systems Selas Fluid, a subsidiary of The Linde Group, is internationally recognized for its innovative and comprehensive combustion processes and emission control systems. Combining our technological strengths and over 60 years of experience, we have established a tradition of providing technology-based, cost effective solutions for the refining, chemical, petrochemical, and gas processing industries. Committed to customer satisfaction, we focus on the successful completion of each project, solving today s challenging requirements. The pursuit of that policy has produced a solid base of clients that includes many of the world s largest companies. Selas Fluid's Oxidation Technologies encompass our flame-based thermal oxidizers and waste liquid incinerators, as well as our unique flameless thermal oxidizers. Thermal oxidation is the most flexible, efficient and reliable means of destroying hazardous and toxic chemical wastes - in some cases, the only solution. We have supplied over 1,000 thermal oxidizing systems worldwide, specializing in liquid and fume incineration of hazardous chemical wastes. Selas Fluid's skills are unmatched when applying these advanced technologies to today's complex environmental disposal issues. As a subsidiary of The Linde Group, we have a global network of engineering, supply, and construction resources. Safe, Economical Destruction of Wastes Liquid & Gaseous High- and Low-Calorific Organic Compounds Acids Alcohols Amines Organometallics Maleic Anhydrides Mercaptans Nitrogen-bound Sulfonated Inorganic (Aqueous) Streams Alkali Salts Suspended Solids Halogenated Compounds Chlorides Fluorides Bromides Iodides Mixed Halogens PCBs Di-isocyanates Recovery Systems Acids Energy Metals Salts Dioxins and Furans Corporate Headquarters in Blue Bell, PA USA

3 Horizontal Oxidation Systems Staged Combustion Reducing/Oxidizing Systems Liquid and gaseous nitrogen bound wastes are oxidized by two staged reducing/oxidizing combustion to minimize the amount of NO x formed in the disposal process. The stages are: Reducing Cooling Addition of combustion air Oxidizing Heat recovery (optional) Air pollution treatment, such as scrubbing and particulate removal Typical size range: 1MM Btu/hr (0.3 MW to 200 MM Btu/hr (58 MW) Horizontal Systems with Energy and Product Recovery This arrangement is suitable for fumes, liquids or a combination of the two. Energy recovery, depending on application, can be achieved via waste heat boiler for steam production or by heat exchanger for heat recuperation. Product recovery is also process dependent and can be in the form of liquids or solids. Wet or dry scrubbers may be added if necessary. Typical size range: 10 MM Btu/hr (3.0 MW) to 150 MM Btu/hr (44 MW)

4 Sub-X Oxidation Systems Selas Fluid s exclusive Sub-X systems are proven for the safe and economical treatment of gaseous and liquid waste streams. With installed duty ratings from 1 MM Btu/hr (0.3 MW) to 140 MM Btu/hr (42 MW), the Sub-X is particularly suited for wastes containing organo-metallic compounds, salts, halogens, and aqueous streams. This versatile, integrated waste combustor and quench makes full use of the energy contained in high organic waste streams, as well as destroying highly inert wastes. Organic destruction efficiencies in excess of 99.99% are proven and guaranteed. Frequently, valuable byproducts can be recovered from the waste streams. Examples include the recovery of concentrated hydrofluoric and hydrochloric acids, sodium bromide, sodium iodide, catalyst oxides, potassium carbonate, and various salt compounds. With the addition of other unit operations, byproducts such as calcium fluoride filter cake and steam generation have also been produced. 5MM Btu/hr Sub-X system for chlorinated solvents System Description Finely atomized combustible waste is nozzle mixed with combustion air and injected into the Vortex burner. Unlike most conventional burners, the Vortex has the necessary turbulence and swirl action to oxidize the mixture efficiently. The reaction chamber is usually vertical. When aqueous wastes containing inorganic compounds are present, they are injected below the flame zone. Resultant molten salts flow down the refractory wall to the quench chamber. Hot gases pass through a water-cooled downcomer tube and are quenched in the Sub-X quench tank. The integral tank is a primary scrubber recovering a high percentage of acids and particulates. The tank also acts as a safety device: if quench water supply is lost, the water in the tank will serve as a heat sink until the malfunction is corrected. Additionally, this serves as a seal against natural convection of hot gases throught the APC during an emergency shutdown. Other auxilliaries, including exhaust gas treatment and product recovery equipment, can increase the versatility and profitability of the Sub-X system.

5 Sub-X Salt Systems - with and without Energy and Product Recovery Most of the alkaline metal group form salts during the incineration process with melting points lower than that required for complete combustion of the organics. These molten salts are corrosive to and reactive with common refractory materials. Selection of the proper operating temperature and lining material is crucial to obtaining acceptable online availability for the plant. A portion of the salts formed in the incinerator remain suspended within the gas stream at the outlet of the quench, and Selas Fluid has developed the expertise to meet the most stringent air quality standards. Typical size range: 5 MM Btu/hr (1.5 MW) to 150 MM Btu/hr (44 MW) Sub-X Advantages Rapid quench - cooling occurs in milliseconds, minimizing the reformation of dioxins and furans Direct contact mixing in the quench - maximizes acid absorption and increases efficiency of particulate removal Deep submergence of the downcomer - an added safety feature that protects downstream equipment from overheating should loss of water flow occur System for treatment of aqueous wastes in a pharmaceutical plant in Puerto Rico

6 Flameless Thermal Oxidation Flameless Thermal Oxidation thermally reacts combustible gases and/or atomized liquids with an oxidizing agent to convert combustible compounds to their oxidized state, releasing heat without flame. Selas Fluid s flameless thermal oxidizers (FTOs) heat compounds to reaction temperature under controlled conditions in a specially designed reactor that absorbs and dissipates the reaction heat. This maintains a stable oxidation zone at a precise temperature and residence time sufficient to compensate for fume flow and composition. This patented technology consists of a packed-bed, refractorylined reactor filled with porous, inert ceramic media. Organic compounds are oxidized into harmless carbon dioxide and water vapor. At startup, the ceramic packing in the oxidizer vessel is heated to the required operating temperature with an electric or gas flameless preheater. During normal operation, process conditions are monitored, and the fume and any necessary air or fuel are thoroughly pre-mixed to optimum concentrations at the inlet of the reactor. As this mixture flows through the oxidizer and approaches the reaction zone, it is heated to the o F ( o C) operating temperature and oxidized. Unlike other packed-bed technologies, the reaction zone is stationary and continuous. This feature eliminates channeling or bypassing, allowing complete and efficient combustion while generating very low concentrations of thermal NO x and carbon monoxide. Selas Fluid provides stand-alone emission control devices through large-scale process treatment systems, or process-integrated, turnkey pollution control systems Thermatrix FTO Advantages Guaranteed 99.99% DRE - including halogenated organics Ultra low NO x...less than 2 ppm Dioxins and furans emissions less than 0.1 ng/m3 TEQ Destructive process produces no secondary organic waste stream Energy efficient operation, self-sustaining down to 12 Btu/cf (108 kcal/nm3) in fume. Approved for classified areas - can be located directly at the emission source. Stable operation when responding to variable organic loading. Matrix in completely inert, with no catalysts to foul. Superior turndown capability better addresses minimum baseload conditions, reducing operating costs. Easily permitted - no continuous emission monitoring required. Creates potential for emissions credits.

7 ES Flameless Thermal Oxidizer Electrically pre-heated, the ES system is designed to treat relatively low flow rates of dilute fume. The ES is suitable for installation near the fume source in hazardous areas classfied as Class I, Division 2, Group C & D or Zone 2, T2, Group IIA & IIB. Typical flow rate: up to 500 scfm or 850 Nm3/hr. ES electrically pre-heated Flameless Thermal Oxidizer GH Flameless Thermal Oxidizer The GH system reliably and cost-effectively treats volatile organic compounds (VOCs) in fume streams, accomplishing thermal oxidation at approximately 1800 o F (980 o C) to minimize production of thermal NO x. The GH is particularly well suited for oxidization of halogenated fumes. Typical flow rates range from 500 to 100,000 scfm (or 850 to 170,000 Nm3/hr.) GH Flameless Thermal Oxidizer, gas pre-heated

8 Additional Solutions Concentrated Acid Recovery Systems Liquids and fumes containing acid forming compounds are oxidized in either a horizontal or vertical system with downstream treatment to absorb and concentrate acids up to its azeotropic end point. For concentrations greater than the azeotrop, additional unit operations may be necessary. Compounds containing iodine or bromine require injection of a reactant into the combustion process to convert elemental iodine and bromine to the hydrogen halide. Final emissions are treated to meet regulatory compliance. Typical size range: 3 MM Btu/hr (0.9 MW) to 100 MM Btu/hr (30 MW) SCR and SNCR NO x Removal Systems Selective Catalytic Reduction and Selective Non-Catalytic Reduction systems are used separately or in tandem to treat exhaust gases containing NO x generated by fired heaters, furnaces, incinerators, and other combustion dependent processes. A reactant is uniformly injected into the exhaust stream, and by controlling temperator and/or catalytic assistance, the NO x is reduced to nitrogen. Systems are sized to match process flow for each aplication. Engineering and Design Expertise Engineering and design expertise across all disciplines has been the hallmark of Selas Fluid for over 60 years. Today, we enhance that strength with a robust set of tools and methods, including the latest design and software packages. 3D Modeling provides a realistic plant view, an important aid for our plant 'walk throughs' and collaborative client design reviews at the 30%, 60% and 90% stages of project completion. Providing input for downstream applications such as pipe and structural stress, models can reduce engineering costs on projects. CFD Modeling predicts which design changes are most crucial to enhance performance. Model of a Sub-X oxidation system supplied to a silane plant. As an ISO 9001 certified company, Selas Fluid is committed to the development, design, manufacture, construction and supply of products and services that continuously meet or exceed the expectations of our customers. Our engineering and operational standards are actively reviewed and updated to meet our commitments to product performance, on-time delivery and value.

9 Technology Center Selas Fluid's Technology Center and Pilot Plant is located in Conshohocken, PA USA. Equipped with multiple full-scale combustion, incineration, flameless thermal oxidation and air pollution control systems, our activities include: Research and development for the various combustion technologies offered by the Company Demonstrations of system performance to clients to validate processes The pilot plant includes a combination of permanent and modular systems used for testing process operations. Incineration and thermal oxidation demonstrations may be performed in one of two ways: Utilizing actual waste from the client's facility. Waste from the client s facility can be received at the Technology Center. This option typically applies to liquid waste due to storage requirements. Our facility has a 5,000 gallon storage tank used for such purposes. Via preparation of a waste composition at the Technology Center. Preparation of a waste composition can be managed at the Technology Center, reducing the costs and risks of transporting such material. A mixture is prepared to simulate the actual waste; we are able to prepare both liquid and gaseous compositions. High temperature cameras located on select vessels provide a visual insight into the internal operations in the combustion locations. A continuous emission monitoring system (CEMS) with auto calibration and data logging monitors a multiplicity of stack gas components including O 2, CO 2 CO, SO 2, NO x (NO and NO 2 ), and THC. The pilot plant is EPA permitted as a test facility; in fact, it has been used to perform demonstration testing for various governmental agencies such as the USEPA, the Department of Energy, and the Department of Defense. Our operating personnel are HAZMAT trained and certified. Pilot Plant Systems Sub-X GH Flameless Thermal Oxidizer ReDox (reducing/oxidizing) System

10 The Selas Fluid Advantage Engineering and design expertise across all disciplines has been the hallmark of Selas Fluid for over 60 years. Today, we enhance that strength with the latest design and simulation software packages. Worldwide procurement maximizes value to our clients and ensures timely project delivery. Our construction management teams are experienced professionals who demand high standards at each project site, with a goal to provide an incident-free workplace. Revamps & rebuilds - we supply, upgrade and service fired equpment - our own or that of other OEMs. Our Revamp Services group is located in Houston, TX.

11 Our Aftermarket Sales team is ready to assist with spare parts and equipment supply, working with our engineers and procurement center to provide effective solutions and prompt delivery. Our branch locations in Houston, TX and Al-Khobar, Saudi Arabia along with our worldwide representatives position us to provide prompt sales and service support to our clients in all regions. Selas Fluid's Technology Center houses pilot plants for research and development on combustion technologies and to provide active demonstrations to validate processes to our clients. As a subsidiary of Linde, we have a global network of engineering, supply, and construction resources.

12 Other technologies offered by Selas Fluid: Linde Hydrogen Plants Linde Air Separation Plants Ethylene & EDC Cracking Furnaces Hydrogen Reformers Refinery & Chemical Fired Heaters LNG Vaporizers Call us today to learn more about our environmental technologies, or visit us online at Selas Fluid Subsidiary of The Linde Group Head Office: Selas Fluid Processing Corp. Five Sentry Parkway East, Suite 300 Blue Bell, PA USA Phone: Fax: Saudi Arabia: Linde Arabian Contracting Company Ltd. P.O. Box Al-Khobar Phone: Fax: Houston Office: Selas Fluid Processing Corp Park Ten Place, Suite 250 Houston, TX Phone: Fax: