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| Sulphuric Acid on the WebTM | Technical Manual | DKL Engineering, Inc. |
Knowledge for the
Sulphuric Acid Industry
Sulphuric Acid on the Web
Introduction
General
Equipment Suppliers
Contractor
Instrumentation
Industry News
Maintenance
Acid
Traders
Organizations
Fabricators
Conferences
Used
Plants
Intellectual
Propoerty
Acid
Plant Database
Market
Information
Library
Technical Manual
Introduction
General
Definitions
Instrumentation
Plant Safety
Metallurgial
Processes
Metallurgical
Sulphur Burning
Acid Regeneration
Lead Chamber
Technology
Gas Cleaning
Contact
Strong Acid
Acid Storage
Loading/Unloading
Transportation
Sulphur
Systems
Liquid SO2
Boiler Feed Water
Steam Systems
Cooling Water
Effluent Treatment
Utilities
Construction
Maintenance
Inspection
Analytical Procedures
Materials of Construction
Corrosion
Properties
Vendor Data
DKL Engineering, Inc.
Handbook of Sulphuric Acid Manufacturing
Order
Form
Preface
Contents
Feedback
Sulphuric Acid
Decolourization
Order Form
Preface
Table of Contents
Process Engineering Data Sheets - PEDS
Order
Form
Table of Contents
Introduction
Bibliography of Sulphuric Acid Technology
Order Form
Preface
Contents
Engineering Contractors and Plant Designers
November 5, 2024
Acid Recovery and Concentration
| Company | General Description | Website/e-mail |
 |
Sulphuric acid concentration process | www.bertrams.ch |
| Beta Control Systems, Inc. | Acid recovery system utilizing freeze crystallization | www.betacontrol.com |
| Crown Tech | - | www.crowntech.com |
| Crystal X Recovery | Provides freeze crystallization technology for the recovery of sulphuric acid. | www.crystalxrecovery.com |
 KBR Ecoplanning Oy |
KBR, Inc. is a global technology, engineering, procurement and construction
company serving across three distinct global businesses:
•Technology & Consulting, including proprietary technology in refining,
ethylene, ammonia and fertilizers, and gasification; and niche consulting
and know-how through subsidiaries Granherne, Energo and GVA
•Engineering & Construction, including Offshore Oil & Gas; Onshore Oil &
Gas; LNG/GTL; Refining; Petrochemicals; Chemicals; differentiated EPC, and
Industrial Services
•Government Services, including program management and long term annuity
contracts |
www.ecoplanning.fi |
| Chemetics | Proprietary equipment suppliers and engineering services for both acid plants and acid recovery and concentration |
www.jacobs.com |
| Mech-Chem Associates Inc. | Mech-Chem Associates, Inc. is a full-service design and build engineering firm with specialized knowledge and experience in the Design, Engineering, Construction, and Start-Up of Acid Recovery and Purification Systems. We provide a variety of engineered systems for handling the following acid recovery and purification applications | www.acidrecovery.com |
| Phoenix Systems Inc. | Provides freeze crystallization technology for the recovery of sulphuric acid. | www.phoenixsystemsinc.com |
 |
Concentration and recycling of sulphuric acid |
www.plinke.de
www.plinke.com |
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 With its own effort and technology, GS Chem-Tech is teh first to provide the complete set of "Vacuum Concentration of Dilute Sulphuric Acid & Relevant Equipment". It is the most sophisticated process of sulphuric acid concentration, which has made it possible to have all the equipment and raw materials available in China. |
www.njgs-chem.com |
 |
We offer cutting-edge products and advanced systems for waste gas treatment, sulfuric acid technology, precious metal catalysts, and comprehensive engineering solutions—all tailored to meet your specific needs.What sets us apart is our proven ability to deliver customized, sustainable solutions. Our success is driven by deep expertise, an entrepreneurial mindset, and an unwavering passion for pushing the boundaries of ecotechnological innovation. |
www.pp-industries.at  |
| QVF Process Systems | Low temperature vacuum concentration of sulphuric acid from 65% to 96% | www.qvf.com |
| Scanacon | Resin based acid recovery system | www.scanacon.com |
 |
SEP Salt & Evaporation Plants Ltd.
SEP is a Swiss Engineering and Technology supplier offering design,
engineering, supply of equipment for evaporation and concentration
processes. Our history dates back about 100 years to Escher-Wyss Zurich. In
the 1980s new process concepts for recycling of waste sulfuric acid from TiO2
production processes were developed and successfully implemented at TiO2
plants around the world. Recently SEP was approached repeatedly by TiO2
producers with new inquiries for greenfield and brownfield TiO2
projects for design and supply of waste sulfuric acid evaporators combined
with crystallization of FeSO4xH2O
and FeSO4
x 7 H2O. |
www.sepwin.ch |
| Shiva Scientific | Glass equipment for sulphuric acid concentration plants | www.shivascientific.com |
| UVK Engineering | www.uvk-engineering.de |
Acid Plant Contractors and Technology Suppliers
| Company | General Description | Website/e-mail |
| Abhishek Engineering and Chemicals Ltd. | We offer an assortment of precision-engineered chemical processing equipment and machines that are recognized amongst our clients for their superior quality, accuracy, long performance and finish. These machinery are widely used in diverse industries like, Acid Plants Like H2SO4 Plants, Fertilizers Plants like Phosphate Plants. | www.aeclindia.com |
 |
Catalyst Handling Resources LLC (CHR) provides top quality Catalyst Handling, Mechanical and related Specialized Services to Refinery, Gas, Petrochemical, Gas Separation, Fertilizer, Acid and LNG Plants throughout the USA and internationally. CHR personnel are highly qualified and experienced. CHR has completed over 10,000 catalyst change outs over the past 20 years! CHR has invested in and developed high-end specialized equipment to execute projects in the most safe and efficient manner possible. Our Motto is “Setting New Standards” and our clients benefit from the improvements we continue to make in all aspects of our services. All equipment is designed and built so it can be efficiently transported to any part of the country or any part of the world. | www.catalysthandling.com |
| Air Liquide | SAROX technology for oxygen enriched acid regeneration | www.airliquide.com |
| Air Products | Technology for the regeneration of waste sulphuric acid using oxygen or oxygen enriched air. | www.airproducts.com |
| Ausenco Limited | Amec Ausenco Mining and
Metals Alliance Grinaker LTA - built 28 plants in Southern Africa rangining in size from 20 to 3300 MTPD under license from Monsanto Enviro-chem Systems |
www.ausenco.com.au |
| Ballestra S.p.A. | Italian licensee of Enviro-Chem System (Monsanto) technology | www.ballestra.com |
| Bayer Technology Services | Bayer Technology Services GmbH, a Bayer AG company, is a capable supplier of technology solutions for the chemical and pharmaceutical industries with close ties to operators. Our first-class network of experts draws on the decades-long experience of a global corporation and holistic expertise along the entire life cycle to develop, implement and optimize plants and processes. | www.bayertechnology.com |
Biprokwas Engineering Sp. z o.o. |
Polish engineering company | www.biprokwas.com.pl |
| Boliden
Contech Now Outokumpu Technology |
Boliden Contech markets and sells technology developed within Boliden for efficient industrial processes in the mining, metallurgical and sulphuric acid areas. The technology is sold in the form of licenses, consulting services, equipment delivery and turn key plants. Key technologies: Gas Cleaning, Mercury Removal | www.outokumputechnology.com |
| Campbell Dynamics Pty Ltd. | Australian based consulting company | www.campbelldynamics.com |
 |
Chemetics Proprietary equipment suppliers and engineering services |
www.worley.com |
| Chemithon Enterprises Inc. | Design and build small sulphonation systems. | www.chemithon.com |
 |
Chemoprojekt A.S.
Czech engineering company providing services to the chemical industry. Implementation of "turn-key" sulphuric acid plants under license. |
www.chemoprojekt.cz |
| China Nerin Engineering Co., Ltd. | International engineering company established on the basis of the former Nanchang Engineering and Research Institute of Nonferrous metals. | www.nerin.com |
 |
Clark Solutions is a 31 year old company formed by ex Monsanto Enviro-Chem
Systems engineers. MECS has an engineering and manufacturing operation in
Brasil at that time, mid 1980’s. Due to cooperate internal motives, MECS
close the offices in Brasil and had our company as their agents and project
managers in South America. We started engineering acid systems and
manufacturing /supplying candles. Late 1991, through an agreement with Otto
York stated manufacturing Demister mist eliminators under license too. Later
(2003) we
entered into an
agreement with MECS and sold 50% of our business to Koch entering other
product lines such as mass transfer. In 2015 we bought Koch’s shares
in
the company back. Overall are currently a approximately 70 people team, with a little more than 30 engineers in most relevant disciplines. All our designs are locally made. We have a research center where we develop new products and technologies (such our candle DrySeals, SafeHR and SafeHX, BPC, etc). Our R&D center is equipped with a 450 mm ID x 6 meter tall tower where we develop and test our packing as well as a pool where we test our distributors. This same center has a 3MW boiler and cooling tower, that we developed to test our heat exchangers. |
www.clarksolutions.com.br/en/ |
 |
Offer sulphuric acid plant revamping (EPC) with
NORAM E&C technology SX Piping system and acid plant equipment in SX material from NORAM Int. AB |
www.coppex.cl |
| Davis and Associates Consulting, Inc. | - | www.davisandassociatesconsulting.com |
| Descon United | Have provided engineering services for acid plants in India | www.desconunited.com |
| Design Excellence (India) Private Limited | Engineering services | www.designexcel.com |
 |
Dickinson Group of
Companies has been trading for 110 years, having grown to be a Global
Leading Provider of Furnace and Industrial Services to the Mining, Metals
Smelting and Mineral Processing Industries. |
www.dgrpint.com |
 |
Environmental Acid Solutions (EAS), a company based in Merritt, North Carolina, whose primary focus is to provide full service sulfuric acid plant maintenance services throughout the US, will bring catalyst handling and acid tower repair into the twenty-first century. Its innovative international patent pending processes and equipment will establish EAS as the leading maintenance and repair service provider in the sulfuric acid industry. EAS has been in operation since 2013. | www.easglobal.us |
| EC Mining |
Sulphuric Acid Solution (SAS),
is a sister Company to EC Mining and provides comprehensive services in all
aspects of sulphuric acid manufacture.
SAS' services include consulting, commissioning of plants, training of operating and maintenance personnel, catalyst screening and shutdown maintenance. |
www.ecmining.com/sas.html |
 |
Engineering & Projects Company Limited (E+PC) is wholly owned subsidiary of Aveng (Africa) Ltd and offers Engineering, Design and Project delivery services as well as the operation and maintenance of metallurgical processing plants. | www.e-pc.co.za |
| Eric Solbu AB | Private consultant | www.calypso.net/solbu/welcome.html |
| FACT Engineering & Design Organization | Indian contractor | www.fact.co.in/fedo/index.html |
| SNC-Lavalin | Licensee of Enviro-Chem System (Monsanto) technology | www.snclavalin.com/en/sulphur |
| Furnace Fabrica (India) Limited | Licensee of Outokumpu Technology | www.furnacefabrica.com |
| Gayatri Fertiplants International Pvt. Ltd. | We are known for providing the latest technology to the Sulphuric Acid manufacturing plants. Our dedicated engineers offer cutting-edge solutions to meet stringent pollution requirements, as well as technology designed to increase the efficiency and cost-effectiveness of operating your plant. | www.fertilizerplants.in |
| GEA Bischoff |
Formerly Lurgi
Bischoff Proprietary equipment suppliers and engineering services for gas acid plant gas cleaning systems. Now separate from Lurgi Metallurgie GmbH which designs acid plants. Lurgi AG is the parent company (part of the mg Group). Lurgi PSI is USA based while Lurgi Bischoff is based in Germany. |
www.geabischoff.com |
GIPROKHIM Joint Stock Company |
Russian engineering company | www.giprohim.ru |
 |
A global servicepartner for the sulphuric acid industry. The possibilities are endless; from single consultations or inspections up to complete planning, organisation and execution of Turnarounds. H2SO4.pm‘s key strengths are direct communication, high level of experience and strategic partnerships. | www.h2so4.pm |
| Haldor Topsoe A/S | Topsoe Wet gas Sulphuric Acid (WSA) process | www.topsoe.com |
| Hitachi Zosen | - | www.hitachizosen.co.jp |
Hugo Petersen |
Formerly Lockwood Greene Petersen | www.hugo-petersen.de |
| Kanzler Verfahrenstechnik GmbH |
Since 1980
KVT has
developed, designed and
delivered
turnkey plants in the field of
pollution control, especially for
tail
gas desulphuration plants with sulphuric acid recovery. |
www.kanzler-vt.at |
| Kapsom Industrial Limited | Sulfuric acid plants with annual production capacities from 10,000MT to 1,000,000MT will be proposed with modern automatic production process. Raw materials are inclusive of elemental sulfur, pyrite or H2S/SO2 off gas from other industrial units. | www.kapsom.com |
| KSJ Engineering & Projects Pvt. Ltd. | Various process and chemical plants including sulphuric acid. |
www.ksjcorp.in
www.ksjengineering.in |
| Marsulex Environmental Technologies, LLC | Design and servicing capabilities for air pollution control systems controlling particulate, sulfur dioxide and acid gas emissions | www.met.marsulex.com |
| MB Consultores Ltda. | Counsultant for the sulphuric acid industry in Brazil and South America | www.h2so4.com.br |
| Megatech International (India) | Builders of small acid plants 50, 75, 100, 120 tons/day | www.cement-plant.com |
| Minmetal Engineering & Construction | Built Disputada de Las Condes in joint venture with Fenco | www.minmetal.cl |
| Mitsui Engineering & Shipbuilding Co., Ltd. | - | www.mes.co.jp |
| MECS, Inc. | Proprietary equipment suppliers and engineering services. Formerly Monsanto Enviro Chem Systems, Inc. | www.mecsglobal.com |
| MECS Enterprises Private Limited | 100% subsidiary of MECS Inc. Formerly Monsanto-DMCC Enviro-Tech and Engineering Limited (MDEEL) | www.mecsenterprises.com |
| Navdeep Enviro and Technical Services Pvt. Ltd. | Provide complete technical services and a one-stop consultancy organization. Revamping & Improving efficiency of existing Sulphuric acid, Oleum, Chlorosulphonic Acid, Sulphamic acid, diethyl sulphate plants, etc. | business.vsnl.com/neat |
| NICCO Corporation Ltd. (Calcutta, India) | Design and Engineering Services in India with experience in sulphuric acid plants |
www.niccoproj.com (Link Broken) |
| NORAM | Proprietary equipment
suppliers and engineering services. CECEBE works inconjunction wih NORAM. |
www.noram-eng.com |
 |
Novenco is a refractory and corrosion resistant masonry construction ISO 9001:2015 certified company. Novenco has built a trusted reputation serving the mining, industrial and commercial sectors by always providing the best solution for every project.Since 1993, Novenco has remained a leader in the Refractory and Corrosion Resistant Industry by investing in the finest people, equipment and technology, and by providing value to their clients through technical expertise, supervision, preventative maintenance solutions, quality assurance, logistical support, safety, availability and service. | www.novenco.com |
| Nuberg Engineering Pvt. Ltd. | Indian contractor | www.nubergindia.com |
 |
In the dynamic field of Process Plants, our strength lies in the total packages embracing the Chemical Process Plan Design, Engineering, Procurement and Construction of complete customized plants. A multidisciplinary team effort. ORIENTAL EPC’s qualified and highly efficient group of process engineers can give your venture a quick start and set you ahead of your competitor. We help clients to maximize their project potential anywhere in India or abroad with everything from diversified engineering services in India to post startup supervision.We have the Technologies, Processes, Fabrication facilities, Plant & Equipment and the expertise made available through our in house strength and our associates. | www.orientalepc.com |
 |
Formerly Lurgi Metallurgie. Proprietary equipment suppliers and engineering services. Lurgi were acquired by Outokumpu in September 2001. April 2007 - Outokumpu Technology change their name to Outotec. | www.outotec.com |
| Panamerican
Consulting International Ltd. (Panamerican Group) |
Licensee for Jacobs/Titlestad contact sulphuric acid plants. | www.panamint.com |
|
|
We offer cutting-edge products and advanced systems for waste gas treatment, sulfuric acid technology, precious metal catalysts, and comprehensive engineering solutions—all tailored to meet your specific needs.What sets us apart is our proven ability to deliver customized, sustainable solutions. Our success is driven by deep expertise, an entrepreneurial mindset, and an unwavering passion for pushing the boundaries of ecotechnological innovation. |
www.pp-industries.at |
| Process Engineering Associates | Technology for near emission free Sulfuric Acid Plants for all sorts of feedstock and widely varying concentrations of SO2. The process design is such, that it will not produce any product that needs disposal to achieve basically zero SO2 emission. |
www.peassociates.com (Not the correct link anymore) |
| Projects and Development India Ltd. | Sulphuric acid plant design based on their own in-house technology. |
business.vsnl.com/pdil (Not the correct link anymore) |
| QingFeng Engineering Group | Located in one of the ancient city Yangzhou, the company was founded in the year 1972. During the past 30 years,it has developed itself into a famous company in China in the fields of environment-friendly engineering, equipment installation, chemical processing engineering, steel and iron sale and the development of real-estate. |
www.qfiee.com
www.qfproject.com www.qscec.com |
| RJ Associates Engineers Pvt Ltd | Provide detailed engineering, procurement, construction and project management services for the sulphuric acid industry in India | www.rj-associates.com |
|
Engineering, fabrication, and installation of sulphuric plant equipment
|
www.robertscompany.com |
| Simon-Carves | Proprietary equipment suppliers and engineering services | www.simoncarves.co.uk |
 |
Simon India Limited Contractors for sulphuri acid and chlorine plants |
www.simonindia.in |
| Solbu | Engineering services | www.solbu.se |
| S P Engicon Pvt. Ltd. | Engineering consultancy for thermal power plant, sulphuric acid and allied chemicals | www.spindustryindia.com |
| S.S. Engineering Consultants (India) | Supply of know-how, basic and detailed design for acid plants | www.ssecindia.com |
 |
Stebbins Engineering and Manufacturing Company | www.stebbinseng.com |
 |
Sulphurnet was founded after a simple observation that the world has changed. So many new developments were available, and the industry simply did not keep up with these ideas. The design of the process was decades-old. We concluded that the old technology was outdated and we had to rethink the best way to introduce these new solutions to our customers. Most of our clients were using old, so called “proven” technology, and we needed to convince them that things could be done differently. We decided to combine the latest technology and all the tools that are needed to deliver a complete filtration process with turnkey service to make this transition painless. | www.sulphurnet.com |
| Technip | Six decades of experience in sulphuric acid plants. Licensee of MECS. | www.technip.com |
| Thyssenkrupp Industrial Solutions | As a globally active supplier, we
combine our extensive competence in the construction of turnkey
industrial-scale plants with proprietary patented technologies for the
production of sulfuric acid, thus making us independent of licensors. Brochure |
www.thyssenkrupp-industrial-solutions.com |
| TTG Industries Ltd. (India) | Gas Cleaning Plants for treatment of off-gases from non-ferrous smelters. Sulphuric Acid plants from S02 bearing gases. |
www.bayindia.com/ttg (Web site does not appear to exist anymore) |
 |
Van't Hoff Engineering is committed to deliver Plants with Latest technology at affordable cost and maintaining the delicate balance between process design and efficient operation. Van't Hoff Engineering offers plant technology on the basis of the allocated budget and client's requirement while still ensuring troublefree plant operation and extended plant life. Plant design is based on inhouse simulation packages which ensure design and cost optimization for any plant capacity.
|
www.vanthoffengineering.com
|
| Venus Techno-Chem Pvt. Ltd. | The team at Venus Technochem Pvt. Ltd. has a long and successful history in providing the latest technology to the sulphuric acid industry. With our experience of over 50 years and 45 Plants, efficiency and reliability are built into the plant design, equipment supply and construction. | www.venustechnochem.com |
| Vimal Organics Limited | Offer turnkey sulphuric acid plants | www.vimalorganic.com |
 |
Providing worldwide sulfuric acid plant maintenance services since 1977. | www.vipinc.com |
| YangZhou Jin Yuan Chemical Equipment Co., Ltd. | An appointed manufacturer for standard products of chemical and non-ferrous engineering construction and a specialized manufacturer for complete sulfuric acid equipment. | www.en.jinyuanhg.com |
