Chlor-Alkali Process
Chlor-Alkali process, Best Technologies, Energy conservation, Case Studies of Companies
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Contents Heading Brief Content  - Full presentations in the CD ROM
about Chlor-Alkali process & Industry
Chlor-Alkali Production World Chlorine Council  presentation
Chlor-Alkali Plants Industry Description and Practices
Industry Profile Environmental Guidelines
 The chlor-alkali industry discusses potential energy savings in the production of caustic soda and chlorine, and also focuses on potential energy savings in the production of soda ash.
FAQ Questions and answers on the Chlor-Alkali Sector and the EU Emission Trading scheme
China Chlor-Alkali Industry Association - CCAON has registered members over 500 enterprises. Offer services such as market information, consulting reports and industrial conferences focus on China’s Chlor Alkali industry, channel resources offer domestic and overseas corporations comprehensive consultation and media services.
British Consultants Consultants & Information providers on market, technology products
Background information Best Available Techniques in the Chlor-Alkali Manufacturing industry
Magnetic Field Effects The magnetic modification of electrochemical processes has two benefits: it increases the rate of the reaction kinetics of the electrochemical reactions and decreases the reaction kinetics of unwanted side reactions
Promotion of energy efficiency Promotion of energy efficiency in industries: Policies and experiences in India
The Process application note
World Data Alkali - Vinyls Global view
Project Fact Sheet A 30% lowering in cell voltage and, hence, a 30% lowering in energy consumption per unit product can be achieved in membrane chlor-alkali cells by replacing the hydrogen-evolving cathode by an oxygen-consuming cathode.

Industry Status in Countries

China Petroleum & Chemical Industry Association Energy saving and emissions reduction of the Petroleum and Chemical Industry ……
EU Chlor-Alkali Industry An economic & environmental analysis of the Chlor Alkali production process
Energy Efficiency Energy Efficiency Policy Planning & Development in India.
India - Water Pollution about Industry Document Chlor-Alkali Industry India
Chlor-alkali/vinyls industry - China The China Chlor-Alkali/PVC Consulting Service provides you with a comprehensive view of Chinese markets for chlorine, caustic, vinyls, and the associated raw materials, as well as the most complete package of analysis, interpretation and forecasting available to the global industry.
Euro Chlor European federation & its support to member chlor alkali Industries
Chlor-alkali industry in Europe work is dedicated to the development and communication of policies
and guidelines for conducting chlor-alkali operations in an environmentally sound manner
Demand & Supply Growth Opportunities for Alkali Industry – Analyzing the Growth in
Demand and Consumption
List of Companies (partial) - world wide List of client companies world wide of Company offering technical solutions
Case Studies / Companies
Indian Company - award for energy conservation Energy conservation, environment & safety issues addressed
University - Industry interaction Zero-Gap Membrane Chlor-Alkali Cells with Oxygen-Depolarized Cathodes Achieved Energy Savings of 32%
Integrated resource Planning Constant Monitoring of power consumption
Energy-efficient and eco-friendly membrane cell technology Capacity utilization, Hydrogen utilization, converting its mercury plant to membrane plant
Pollution Prevention Practices Treatment Plant for process waste water - permit issue
Environment Protection Environment protection issues & regulatory departments
Elements of Chlor-alkali the world’s largest producer of chlorine and caustic soda.
Plant Expansion News item
Company Performance Company performance, financials & other data
Company profile Company performance, financials
Plant expansion Report for obtaining environmental clearances
Cleanup of mercury contamination Mercury was recovered from the soil at an onsite soil treatment plant, and the cleaned product was reused as backfill. This technology is now a commercial process used worldwide.
Company in News The new chlor alkali unit is estimated to produce 250,000 electro chemical units annually, bringing the company's total estimated ECU capacity upon completion to 525,000 per year.
Fuel Cells Power generation with PEM fuel cells at a chlor-alkali plant
Canadian Company The plants produce chlorine, caustic soda and sodium chlorate. Rated capacity is 86 tonnes per day chlorine, 97 tonnes per day caustic soda and 21 tonnes per day sodium chlorate. These chemicals are used in the bleaching process of the pulp mill.
Mercury Pollution company presentation

Technologies & Relative advantages

 The Chlor-Alkali Production Process The benefits of this particular technology include superior product quality, relatively low levels of energy consumption and a lessening of pollutions problems
Technology Company - Plant & Machinery Company profile - offers advanced technology plants world wide
Technology provider Company offers customized plant studies, complete designs, and equipment supply for new installations, membrane conversion projects, plant modernizations, and capacity expansions for plants producing 75 tonnes/day and higher.
Advanced Chlor-Alkali Technology study demonstrates that the zero-gap chlor-alkali cells with gas-diffusion cathodes offer a practical alternative to the standard membrane-cells
The Best Available Techniques Reference  Best available techniques for the production of chlor-alkali is considered to be membrane technology. Non-asbestos diaphragm technology can also be considered as BAT when there is a need for weak caustic
Technology Profile the latest development in chlorine / caustic soda technology: the membrane process
Technology Services Company  one of the largest global players in this industry.
Ninety percent of all chlor-alkali electrolysis facilities have already been converted to the energy-saving membrane process. Technology Services was a decisive contributor to all new plants and plant modifications. The functions fulfilled range from owners engineering all the way to taking responsibility for complete plant construction projects.
The Chlorine Institute The Chlorine Institute has been a proactive leader in the effort to reduce mercury emissions and use in the United States
Patent European Patent for Purification of  Chlor Alkali Membrane cell brine
Chlor Alkali Electrolysis Cell - patent An improved process and apparatus for pH control and energy savings in chlor-alkali electrolyis cells is disclosed wherein a fuel cell type spaced porous catalytic anode is utilized to chemically
Plant Construction Engineering Service provider for Chlor Alkali project construction
Plant Layout Plant Layout of two companies - overview photographs
The membrane process Know how offered
Brine Purification purification of brine is carried out using all possible means like chemical precipitation, filtration followed by ion exchange treatment. Use of chelating ion exchange resins has proved to be the only practical and economical method of producing high purity brine essential for membrane cells
Chlor Alkali Chemicals Chemicals & applications
Depolarized Cathode Performance of the Falling Film Chlor-Alkali Cell equipped with Carbon-free Oxygen Depolarized Cathode
Environmental Standards Wastewater Discharge Standards, emission limit
Systems supplier global leader for innovative process solutions which use evaporation
and crystallization as core technologies
 Mercury Power Consumption and Mercury Emissions reduction
 Mercury Losses reports on mercury discharges, emissions and losses of mercury by all routes from mercury-cell chlor-alkali plants.
 Manufacturing Process The chlorine industry has reduced power usage by 50 percent ;Using co-generation results in efficiencies that almost double that of power acquired from utilities
 Promising techniques Some of these new techniques for the membrane and diaphragm processes are described
Membranes The ion exchange membranes and the membranes’ current efficiencies under different electrolysis conditions
Electrolysis the field of salt solution (brine) treatment for chlor-alkali electrolysis plants
 Oxygen reduction Low Energy Consumption in Chlor-alkali Cells Using Oxygen Reduction Electrodes
Activated Cathodes Ruthenium Oxide Cathodes for Chlor-Alkali Electrolysis
Catalysts / Gas Diffusion Electrodes Developments of Innovative Electrochemical Processes for Chlorine production, involving the Oxygen Reduction Reaction.
 Cathodes Platinum Metals Activated Cathodes for the Chloralkali Industry
 Gaskets Membrane cell production plant - gaskets recommendation

Manufacturer of various types of Anodes

 Rectifiers  the market leader in High Power Rectifiers technology for the Chlor-alkali industry
Valves A Wide-Range Of Chlor-Alkali Valve Options
 Abstracts   Research Reports & sources
Asbestos in electrolysis cells  asbestos is also gradually falling out of use in chlor-alkali production processes.
Material selection Chlor-Alkali Material Recommendation
Salt procurement Government support for inputs
Mercury Technology Controlling of the Mercury emission  into the environment
Mercury into the environment Risky Business: Phase-out mercury in chlorine industry

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