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Laboratorial scale experiments were conducted to investigate a novel system integrating catalytic ultrasound oxidation (CUO) with membrane bioreactor (CUO-MBR) on advanced treatment of biologically pretreated coal gasification wastewater. Results indicated that CUO with catalyst of FeOx/SBAC (sewage sludge based activated carbon (SBAC) which loaded Fe oxides) represented high efficiencies in eliminating TOC as well as improving the biodegradability. The integrated CUO-MBR system with low energy intensity and high frequency was more effective in eliminating COD, BOD5, TOC and reducing transmembrane pressure than either conventional MBR or ultrasound oxidation integrated MBR. The enhanced hydroxyl radical oxidation, facilitation of substrate diffusion and improvement of cell enzyme secretion were the mechanisms for CUO-MBR performance. Therefore, the integrated CUO-MBR was the promising technology for advanced treatment in engineering applications.
Revision Date: 7/31/2019
Tags: Coal Gasification, Wastewater Treatment
High aluminum and iron fly ash can be used to make flocculants
In this work, aluminum and iron existing in coal fly ash were extracted by the method of hydrochloric acid leaching. Effects of solid-liquid ratio, reaction temperature, reaction time, acid concentration, and raw ash mesh on recovery efficiencies of Al2O3 and Fe2O3 were investigated.
Revision Date: 6/27/2019
Tags: 221112 - Fossil Fuel 化石燃料, Flyash, Flocculant, Extraction, Leaching
Trona removes SO3 ahead of ESP at AEP Gavin
Trona T200 removed SO3 while conditioning the Gavin Plant ESP. T200 can used on a commercial scale to provide a reliable and cost effective SO3 mitigation technology. T200 is used year around to condition the ESP. T200 under most conditions can be injected into the ducts providing a trouble free SO3 mitigation process.
Revision Date: 1/19/2019
Tags: 221112 - Fossil Fuel 化石燃料, American Electric Power Company, Dry Sorbent Injection, Trona, SO3
FF 05 12 07 “Advances in Filtration Technology Using Sintered Metal Filters”
Filtration technology utilizing sintered metal media provides excellent performance for separation of particulate matter from either liquid or gas process streams (i.e., liquid/solids and gas/solid separation) in numerous industrial liquid and gas filtration applications.
Revision Date: 4/29/2014
Tags: 562213 - Solid Waste Combustors and Incinerators , Mott Corporation, Metal Filter, Fabric Filter
EPDC has installed the Pall metal filter as a char filter for synthesis gas at a temperature of approximately 400°C, in the EAGLE (Coal Energy Application for Gas Liquid & Electricity) plant at Wakamatsu to establish the coal gasification technology for application for fuel cells (with coal feed 150 t/day pilot plant) aiming to implement the IGFC system.
Revision Date: 4/29/2014
Tags: 562213 - Solid Waste Combustors and Incinerators , Electric Power Development Co, Metal Filter, Fabric Filter
In this BMBF sponsored project a high temperature resistant intermetallic filter for hot gas filtration was successfully developed.
Revision Date: 4/29/2014
Tags: 562213 - Solid Waste Combustors and Incinerators , Federal Ministry of Education and Research (BMBF), Metal Filter, Fabric Filter
Alternative alloys derived from the wide array of aerospace superalloys will be developed for hot gas filtration to improve on both ceramic filters and "first-generation" iron aluminide metallic filter materials.
Revision Date: 4/28/2014
Tags: 562213 - Solid Waste Combustors and Incinerators , Iowa State University, Fabric Filter, Metal Filter
FF 03 08 02 "Catalytic Cracking of Gaseous Heavy Hydrocarbons by Ceramic Filters"
The following paper was presented at the 5th International Symposium on Gas Cleaning at High Temperatures, Morgantown, West Virginia, September 2002.
Revision Date: 4/28/2014
Tags: 562213 - Solid Waste Combustors and Incinerators , Pall Corporation, Ceramic Filter, Fabric Filter
FF 06 02 01 Analysis of Pulse-jet Cleaning of Dust Cake from Ceramic Filter Element
Release of accumulated dust from the rigid candle filter surface has been extensively studied both theoretically and experimentally, especially for the case of pulse jet type cleaning.
Revision Date: 4/28/2014
Tags: 562213 - Solid Waste Combustors and Incinerators , Kanazawa University, Ceramic Filter, Fabric Filter
FF 02 07 04 "Ceramic Filters for Use in Waste Incineration Plants"
Based on a patent taken out by BWF, Offingen, the Von Roll Inova company in Zurich started work as far back as several years ago on the development of a process whereby the separation of dust and of nitric oxides would be integrated in one single stage.
Revision Date: 4/28/2014
Tags: 562213 - Solid Waste Combustors and Incinerators , Fabric Filter, Ceramic Filter, Fabric Filter
Certifying an HCl Cems is Complex
Sargent & Lundy LLC (S&L) investigated the status of PM and HCl emissions monitors in the U.S. This included reviewing the technologies and the variety and availability of monitors. This paper presents the results of the study as well as a review of the monitoring requirements under the Utility MATS and the applicability of available monitors to meet these requirements. Also reviewed are the factors that a utility should consider in choosing to monitor particulates either with periodic stack sampling, a PM CEMS or with a PM CPMS (continuous parameter monitoring system) and the complexities in certifying an HCl CEMS with the U.S. Environmental Protection Agency’s (EPA) current Performance Specifications (PS).
Revision Date: 1/31/2013
Tags: 221112 - Fossil Fuel 化石燃料, 221118 - Other Electric Power , Sargent & Lundy, HCl