Links and resources to help you make the most of Chemtech 2011.
Make the most of your time: attend our parallel events at the same venue as the Chemtech World Expo 2011.
Industry Insights
Process Safety : A Proactive Approach
Posted on 27 January, 2010 | Tags: Inherent Safety, Safety in Chmical Processes, Safety solutions, test
In India, many safety regulations are chalked out and help to control the incidents. But most of the times these are managed in India. Government needs to be proactive aware and aim for continual improvement as against following only legal requirements
Safety can be defined as the state of being protected against any physical, occupational, emotional, social or any other outcome of accidents, harm, failure or any other non-desirable condition. Safety rules, guidelines and best practices assist to achieve safer working conditions. In India, many safety regulations are chalked out and help to control the incidents. However, these regulations are very generic and highly diluted as compared to specific and precise regulations found in the USA and Europe. In a way, safety regulations can be managed in India. To achieve the international standards the Government and organisations would need to be proactive, aware and aim for continual improvement as against following only legal requirements. Current Safety RegulationsIn India, chemical industries follow the below mentioned safety standards Factories Act, 1948 Manufacture, Storage and Import of Hazardous Chemicals (MSIHC) Rules, 1989 Disaster Management Act, 2005 Code of Practice on Occupational Safety and Health Audit - IS - 14489:1998 Environment (Protection) Act, 2005 The Petroleum Act, 1934 Others include - Explosives Rules, 1983; SMPV (U) Rules 1981; Gas Cylinder Rules, 1981; Petroleum Rules 1976; Calcium Carbide Rules, 1987; Cinematograph Film Rules, 1948; Chemical Accidents (EPPR) Rules 1996; OISD Standards; Transportation of Hazardous Wastes
Novelty in Mixing and Agitation
Posted on 27 January, 2010 | Tags: New Technologies
Mixing and agitation is common process across various chemical industries irrespective of the manufactured product. The article describes Ekato innovations to overcome operational challenges encountered during the process for various chemical processes.
Ekato Ruhr-und and Mischtechnik GmbH, largest company of Ekato group is recognized as world leaders in process technology for more than seventy five years designs and optimises agitators as well as reactors for liquid applications. The latest innovations of Ekato RMT are Oxidation Reactors for High Gas Flow RatesFor economic reasons, gassing reactors for bulk chemicals are being operated with ever-higher gas flow rates with an increase of vessel size at the same time. Conventional gassing systems such as sparger rings cannot keep up with these higher gas flow rates, traditional reactors become flooded. A new device for feeding gas is not arranged underneath the impeller but in the high-energy outflow area. This enables high oxygen transfer rates, as impeller flooding does not occur even in extreme situations.Agitators for World Scale PlantsThe reactor dimensions mentioned above leads into uncharted territories with respect to design. Reactors for continuous operation with volumes from 1,000 m3 upwards, with production rates of more than 1 million tons per year and vessel and power inputs of 2,500 kW or torques above 500,000 Nm reflects the technical state-of-the-art. A design that is operationally safe is only possible if the agitator with the vessel and internals
Next Generation Chemical Tanks
Posted on 27 January, 2010 | Tags: Anticorrosive Linings, Chemical Tank Linings, CPVC, Floropolymers, test
This paper covers the general properties and chemical uses of PVDF with a discussion of processing these special rotomolding grades and show some examples of recent industrial applications for this material
Polyvinylidene Fluoride (PVDF) has been in use for difficult chemical applications since 1964. Traditional applications have been extruded pipe and molded components like valves, fittings and pump parts. Another large market exists where the powder or pellet form of PVDF is solution cast into microporous membranes used in filtration and purification for the water industry.While PVDF has been offered for rotomolding applications for over 20 years, it was not until recently that an improved material has been offered that has a good combination of surface smoothness and impact resistance. Kynar Flex® 3200 is a specially designed copolymer formulation that has a unique balance of strength, high temperature rating, impact resistance and ease of processing.Apart from this traditional monolayer tanks made out of PVDF material, a second grade, Kynar® RDG, can be used for the inner lining of plastic and metal tanks for chemical Containment. Multi-layer yanks can also be made using special grades of PolyEthylene (PE). Kynar® RDG has very good direct adhesion with plastics and metals and offers various other advantages that include cost saving, good chemical resistance, high temperature rating and ease of processing. Handling Difficult Chemical ContainmentsPVDF resin has a combination of performance properties that make it
Selection of Filters for the Separation Process
Posted on 27 January, 2010 | Tags: Cake and Non cake filters, Filters, Filtration equipment, Separation, Solid liquid separation, test
Selecting the right type of liquid/solid separating equipment is not a simple task as the range of equipment is very large. For these reasons it is useful for an engineer confronted with a separation problem to conduct the basic evaluations of the possible or probable solutions and above all establish which routes not to follow. This article will help to conduct basic testwork and then to select the most optimum separation equipment.
Basic Principles of Liquid / Solid Separating Equipment To separate liquids from solids or solids from liquids there are only two mechanisms available Separation: Either the solids have a tendency to go one way and the liquid the other way Filtration: One must find a pore sizes smaller than the solids which one wishes to capture Laboratory testsAlthough there is a theoretical possibility that one could arrive at the right equipment of the right size based on nothing more than an analysis of the solid and liquid, the chances that this is going to happen are poor. Therefore, basic laboratory tests are essential with representative slurry (suspension) samples. If it is at all possible one should aim at carrying the initial laboratory tests on site and as close to the source as possible. Even if that means working under difficult conditions and without the normal laboratory facilities. A representative sample, tested with some basic equipment on a crate is much more valuable than a non-representative sample tested in the best-equipped laboratory. Observation of the Slurry However, do not rush into tests immediately, but rather pour some of the suspension into a glass beaker and observe what it does and
Online Particle Size Analysis Improves Reliability
Posted on 27 January, 2010 | Tags: Process Optimization
Problems can often arise in case of milling of metal granulates as a result of poor control of mill filling. Conventional techniques usually result in over filling of the mill that affects the operational efficiency of the mill. One of the ball mill operators was facing this problem until the installation of online particle size analyzer from Malvern Instruments.
On-line analysis is becoming increasingly widespread for the control of milling processes because moving process analysis from the lab into production can generate considerable cost savings. Conventional quality control methods concentrate on the identification and exclusion of out-of-spec product, whereas real-time and on-line process analysis enable to readily identify unsatisfactory plant conditions and hence improve the process operation. On the other hand uncontrolled operation is very much characterized by the personal views of the operators on how to run the mill, but with a reticence to push the equipment to the limit. On top of that, modern processes are run with fewer staff, each looking after multiple operations. In case of milling of metal granulates and foil waste in a ball mill, as a result of poor control of the mill filling, problems can often arise. The weight of metal powder is almost negligible as compared with the weight of the mill and the milling balls. Due to the lightweight of metal powder, it is not appropriate to use conventional methods such as acoustic measurement technique and weigh cells to measure the fill level. Using conventional techniques often results in over-filling of the mill that leads to erratic feed
Chemtech Foundation will, for the 25th time, bring together the entire cross-section of India’s Chemical and Process Industry from Suppliers to Sellers to Manufacturers across Chemicals, Pharmaceuticals, Fertilizers and other Process Industries. Attend and experience world-class conferences, great networking opportunities, and state-of-the-art technology exhibits from national and international players.
23-26 Feb 2011,
at the Bombay Exhibition Center,
NSE Complex, Goregaon,
Mumbai, India
Meet and network with the Who’s Who of India’s Chemical and Process Industry
Latest Readings from the Chemical Engineering World Team
Advanced Processes Analytical Solutions Anticorrosive Linings Asset Management Beyond Fault Tolerance Brand Management Cake and Non cake filters Captive Power Case Study Chemical Tank Linings Corporate Social Responsibility Cover Story CPVC Curtain Raiser Dinshaw Filtration Systems
