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Product Catalogue The Complete CO2 Solution Version 4.9

Table of Contents Table of Contents General Information about CO2 CO2 Gas Dosing for Water Neutralisation • ASCO CARBON DIOXIDE LTD | Industriestrasse 2 | CH–8590 Romanshorn | T +41 71 4

ASCO Dry Ice Blasting Technology • • • • ASCO reserves the right to modify all specifications without prior notice. All photos and drawings are used for marketing purposes only. ASCO CARBON DIOXIDE LTD | Industriestrasse 2 | CH–8590 Romanshorn | T +41 71 466 80 80 | a

General Information about CO2 What is CO2? Carbon dioxide is the combination of two atoms of oxygen joined with a single atom of carbon. Its chemical formula CO2, is almost as well known as that of water, H2O and it is frequently referred to by its formula rather than its name. In nature’s chain of life, the mutual dependence of plant and animal life is maintained though the link of carbon dioxide. Every time we breathe we release this gas, which plants need for life. Though the process of photosynthesis, the plants separate the carbon from the oxygen. In turn, plants release the pure...

General Information about CO2 Low pressure liquid CO2 (sometimes referred to as “bulk”) is transported to one place from another in insulated road tankers or trailers (or, in some countries, by rail tank wagons), the liquid being simply transferred from mobile to static tank by pumping or gravity feed. Unlike water, carbon dioxide cannot exist in the open air in liquid form. It must be held under pressure or refrigeration (or a combination of both) to remain in the liquid state. SOLID CO2 (customarily known as “DRY ICE”) Dry ice is the product of processing liquid CO2. If the pressure of...

General Information about CO2 From Liquid CO2 into Dry Ice Carbon Dioxide has 3 physical states of gas, liquid and solid which depend on temperature and pressure. The relationship between the 3 states is shown on the pressure-temperature phase diagram beside. Where does CO2 come from? CO2 is derived from a number of sources including combustion of carbonaceous fuels, fermentation, natural wells, and as a by-product of industrial processes such as ethylene oxide and bioethanol production and ammonia synthesis. CO2 phase diagram Below the triple point (5.2 bar (75 psi) , - 56.6 °C) CO2 can...

General Information about CO2 The critical point of CO2 lies at a temperature of approx. 31 °C and a pressure of approx. 74 bar (1073 psi). Normal CO2 liquid can only be formed at temperatures below 31 °C. Above the critical point there is no physical difference between the liquid and gaseous phase. This supercritical state is also called „Fluid“. The liquid state is important for the storage and transportation of CO2 as well as during cooling and freezing applications. During release of the liquid CO2 to atmosphere a temperature of -79 °C is reached. This is associated with a high cooling...

CO2 Recovery ASCO CO2 Stack Gas Recovery Systems (SGR) ASCO’s innovative ASCOSORB CO2 Stack Gas Recovery Technology turns your vent flue gas into a usable and profitable source of CO2. CO2 gas won by a ASCO Stack Gas Recovery System is a by-product of flue gas production from boilers as well as from other flue gas sources offering an economic CO2 source to any CO2 consumer or reseller. ASCO, as a provider of complete CO2 solutions, offers CO2 Stack Gas Recovery Systems with various capacities. The revolutionary ASCOSORB CO2 Stack Gas Recovery Technology features the following key benefits:...

ASCO CARBON DIOXIDE LTD | Industriestrasse 2 | CH-8590 Romanshorn | T +41 71 466 80 80 | ascoco2.com

ASCO CO2 Stack Gas Recovery Systems General process description Flue gas from boiler exhausts (be it existing, new or even power generators) contain combustion products like CO2, water vapor, N2, O2, CO, and possibly SO2 depending on the fuel being used. This flue gas, under the ASCOSORB process, is first cooled and treated for SO2 effectively rendering a flue gas to a proper operating temperature and reaching an acceptable level of SO2 prior to entering the ASCOSORB process of CO2 Gas extraction. Once cooled and treated the flue gas enters the CO2 stack gas recovery system for extraction...

Standard Layout Proposal dimensions in mm (in) ASCO CARBON DIOXIDE LTD | Industriestrasse 2 | CH-8590 Romanshorn | T +41 71 466 80 80 | ascoco2.com

CO2 Recovery ASCO CO2 By-Product Recovery Systems (BPR) ASCO’s innovative CO2 Gas Recovery Technology turns your vented by-product gas into profitable CO2. Be it for an alcoholic fermentation process (e.g. breweries, ethanol operations, distilleries or wineries), other industrial sources (e.g. ammonia production or hydrogen reforming) or natural sources, ASCO will find your individual CO2 recovery solution. ASCO’s By-Product CO2 Gas Recovery System can make this opportunity a reality to those interested in developing a business case and realizing the potential rewards of recovering CO2 gas...

ASCO CO2 By-Product Recovery Systems General process description From a raw gas source Alcohol sources Industrial sources Natural sources CO2 gas is generated as a by-product of the alcoholic fermentation process (e.g. brew eries, ethanol operations, distilleries, win eries). This then is collectively reclaimed from the fermentation area though adequately sized collection pipe lines for common feed to the ASCO CO2 Gas Recovery System. The  gas at this point will be at low pressure and combined purity of >98.5 %. CO2 gas can be generated as a by-product of various industrial sources (e.g....

ASCO CO2 Gas Revert Recovery Systems are engineered to efficiently recover the revert CO2 gas from ASCO Dry Ice Pellet and Block Machines which normally direct the revert (flash) gas to the atmosphere. Advantages of CO2 Revert Recovery Systems: • Reducing dry ice production costs up to 50 % by recovering the normally “lost“ CO2 gas due to vent typical of dry ice manufacturing • Automatic (PLC) operation • Heavy duty, compact and efficient design • Packaged, prepiped and prewired for timely installation When dry ice is produced the conversion rate from liquid CO2 to dry ice is approx. 40 -...