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HZ-inova Xerosorp captures acid gases, removes NOX and recovers heat
This device includes sodium bicarbonate injection into a reactor, recovery in a fabric filter and reinjection of captured solids. The cleaned gas then passes into a catalyst system which is efficient at removing NOx at temperatures as low as 200C. This catalyst is regenerated by including multiple modules. One module is regenerated while another module is cleaned. Cited advantages are • Very compact design • Reaches lowest emissions • Lowest Bicar consumption due to residue circulation • Damping of peaks due to high residue buffer capacity in the recirculation system • High energy efficiency due to: – Low pressure drop – Low regeneration rate of catalyst in offline mode – Tail end heat recovery.
Revision Date: 3/11/2019
Tags: 562213 - Solid Waste Combustors and Incinerators , Hitachi Zosen Inova, Dry Scrubber, SCR
Hitachi Zosen Inova utilizes lime based CFB scrubber for WTE applications
The HZI SemiDry process employs the principle of the circulating fluidized bed for efficient removal of acid gases by adsorption with hydrated lime. Recirculation of reagent maximizes reagent use and provides excess reagent to capture contaminant peaks. In addition, activated carbon or coke can be injected for removal of volatile organics and metals. Cited advantages are • Low emissions with a high flexibility relative to load or flue gas contaminant changes • Minimized use of lime as widely-used low-cost reagent • High energy efficiency compared to lime-slurry based systems • High availability and low O&M cost due to simple design and operation • Proven technology with long industry record of success
Revision Date: 3/11/2019
Tags: 562213 - Solid Waste Combustors and Incinerators , Hitachi Zosen Inova, CFB Scrubber, Fabric Filter
Emerson providing automation technologies for Hitachi Zosen WTE projects
Emerson Process Management, will provide process automation technologies and services for current and future waste-to-energy projects of Hitachi Zosen Inova. Included are control and safety systems, predictive maintenance software, control valves and measurement devices, and services such as engineering, project management and lifecycle care. The agreement formalizes the relationship between the two companies following a successful project at Perlen, near Lucerne, Switzerland. The US$319 million (CHF 320 million) Perlen project is the largest climate protection project in central Switzerland. The facility is set to produce 155,000 MWh of electricity per year, covering the energy requirements of nearly 38,000 households, and will supply 320,000 MWh of steam to an adjacent paper mill. “We are working in close collaboration with Emerson on a number of ongoing energy-from-waste installations,” said Douglas Else-Jack, head of supply management at Hitachi Zosen Inova. “The successful completion of the Perlen project demonstrates our confidence in Emerson’s expertise is fully justified.”
Revision Date: 3/11/2019
Tags: 562213 - Solid Waste Combustors and Incinerators , Hitachi Zosen Inova, Emerson Process Management, Automation