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waste heat technologies Applications

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    Waste recovery for glass manufacturing

    Tetronics` twin torch system has been used continuously for the commercial production of high quality silica glass for optical applications since 1992. Tetronics’ unique twin torch technology allows a plasma arc to be created in space, which enables a falling stream of high quality silica powder to be melted at the junction of the two arcs to form an ingot of high optical quality silica glass. By using plasma as a clean and controllable heat source, the product has a high degree of integrity, because the absence of a natural gas flame means the resulting product is free from bubbles, contamination and other defects.

    By Tetronics (International) Limited based in Swindon, UNITED KINGDOM.

  • Environmental technology for chilling - crystallisation industry

    For the generation of chilled water (down to 0°C) as well as for diverse crystallisation processes Körting steam jet chilling plants are used. This special chilling technique uses waste heat at a temperature level down to 80°C as motive energy. The first plants with combination of power/heat/chilling coupling are already in operation.

    By Körting Hannover AG based in Hannover, GERMANY.

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    Applications and Air Pollutants Removed in the Energy (Power) Industry

    Wet scrubbers and Wet electrostatic precipitators for removal of sulfur dioxide and trioxide, ash particulate, NOx and mercury from coal fired boilers. Sulfur dioxide, NOx and particulate from oil fired boilers and diesel engines. Ash particulate from Biomass boilers including Bagasse type. Complete scrubber systems for sulfur dioxide removal using lime, limestone to gypsum quality and all sodium, magnesium and potassium chemistry scrubbing solutions including ammonia for ammonium sulfate production. For gypsum production, complete air sparging oxidation systems are incorporated in the scrubbers along with all needed auxiliary equipment. Waste Heat Recovery options with Q-Sense direct contact heat exchanger technology.  

    By Bionomic Industries Inc. based in Mahwah, NEW JERSEY (USA).

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    Solutions for the food & beverages industry

    Food waste in general has a high energy density. This results in high yields when producing biogas through anaerobic treatment. Biogas is a very flexible energy product with proven capabilities in the power, transportation, and heat demanding sectors. In this sector, anaerobic digestion offers significant cost advantages over traditional disposal methods. By upgrading the biogas into natural gas using a DMT Environmental Technology system, a solid business case with an interesting return on investment is assured.

    By DMT Global Environmental Solutions BV based in Joure (NL), NETHERLANDS.

  • Flaring Solutions for the Upstream Oil & Gas Industry - Oil & Gas Produced Water

    Because of the huge increase in U.S. natural gas production, there is elevated concern over the production of water that occurs in natural gas and oil fields. These concerns have led to additional state and federal regulations for low emission combustion technology and how companies will deal with produced water. ABUTEC’s high temperature enclosed combustors meet state and federal regulations for burning waste gas at a minimum of 99% destruction and removal efficiency (DRE), meaning almost 100 percent of the vapor to be destroyed is converted to CO2 and water. These combustors are of high quality, flexibility, low emissions, CSA-approved and able to burn very low calorific gas. Additionally, when combined with a heat exchanger, the unit can evaporate the excess produced water eliminating the need for expensive trucking or disposal.

    By ABUTEC LLC based in Kennesaw, GEORGIA (US) (USA).

  • REPLACING WATER SOFTENER WITH GREEN SCALEWATCHER WATER CONDITIONER

    Roper’s Restaurant, a cowboy themed restaurant in Albuquerque, New Mexico has replaced its water softener with the computerized, electronic, water-conditioner Scalewatcher from Scalewatcher North America. By installing Scalewatcher, the restaurant has avoided paying the $500 quoted for replacement media for its old water softener and also saved hundreds of dollars a year in salt and water thereby providing Roper’s with a short-term payback on the unit. Roper’s Restaurant, part of Outwest Eateries LLC dba, is located in a hard water area. This necessitated Bryce Chant, owner of Roper’s Restaurant using a water softener to prevent scale formation in the kitchen. “When I was given the price to repair our old water softener, I decided to install the Scalewatcher from Advance Plumbing”, said Bryce Chant of Roper’s Restaurant. We have had great success with it. Even though we had a water softener we still had hard water scale and a white ‘film’ in the dishwasher. Now with Scalewatcher that scale and ‘film’ has disappeared.” The average restaurant consumes 5,800 gallons of water daily, with 50% being used in the kitchen. If not properly treated, hard water can drain a restaurant’s bottom line due to the early renewal of capital equipment such as water heaters, boilers, coffee makers, dishwashers, steamers and other water-fed equipment. Hard water contains calcium carbonate that adheres to heating elements and the internal surfaces causing scale buildup that impairs efficiency. The limescale that deposits on the heating element will, if untreated, reduces efficiency, induces corrosion of the element and ultimately lead to appliance failure. In addition in restaurants, hard water also necessitates the use of additional detergents. In fact, for every additional grain of hard water, detergent use increases by between 2% and 4% per 1,000 gallons of water used. Many restaurants, like Roper’s use a water softener to reduce limescale. However, water softeners use copious amounts of both water and salt, which are expensive to buy and salt is also bulky to store. In addition, in many States now, including Southern California, municipalities and water departments are severely limiting, and in some cases prohibiting, the use of salt-regenerating water softeners due to concern regarding the increased levels of salt in ground water. The award-winning Scalewatcher system not only helps restaurants meet these regulations by minimizing salt usage but also saves money on salt purchase and has the additional benefit of removing scale from water-fed equipment. The environmentally friendly Scalewatcher provides a permanent solution to hard water problems without the need of chemicals, salt or maintenance. It works by producing a varying electronically applied force field, induced by a coil wrapped around the outside of the pipework, which keeps the minerals in suspension and thus prevents limescale forming. The water’s increased solubility enables it to dissolve existing scale, which is gradually washed away. “We are saving money each month because we do not have to purchase salt for the water softener and we are not dumping salt filled water down the drain because there is no brine process with Scalewatcher”, said Bryce Chant. “Living in New Mexico with our drought situation, I hated knowing all that water was being wasted. Scalewatcher is a truly ‘green’ technology that we are happy we have implemented”. Roper’s Restaurant has been so impressed with the Scalewatcher technology that the managers have bought units for their homes and have recommended it to family and friends. Scalewatcher models are based on continuous research and over 20 years experience and expertise as market leaders in electronic scale control with countless units sold worldwide. The patented Scalewatcher systems start at $248.00 USD and are capable of treating pipe sizes from one to 120 inches. All Scalewatcher systems come with a full performance guarantee and include free shipping throughout North America.

    By Scalewatcher North America Inc. based in Oxford, PENNSYLVANIA (USA).

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