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sludge treatment system Applications

  • Wastewater treatment for the sludge treatment

    The most used techniques to reduce sludge water content include physical-chemical processes, such as flottation or the use of mechanical systems, such as press filters.

    By Aguambiente based in La Cistérniga, SPAIN.

  • Wastewater treatment solutions for anaerobic sludge digestion sector

    Anaerobic digestion is a series of processes in which microorganisms break down biodegradable material in the absence of oxygen, used for industrial or domestic purposes to manage waste and/or to release energy. It is widely used as part of the process to treat wastewater, like Upflow Anaerobic Sludge Blanket (UASB) reactors. As part of an integrated waste management system, anaerobic digestion reduces the emission of landfill gas into the atmosphere. Anaerobic digestion is widely used as a renewable energy source because the process produces a methane and carbon dioxide rich biogas suitable for energy production, helping to replace fossil fuels. The nutrient-rich digestate which is also produced can be used as fertilizer. The digestion process begins with bacterial hydrolysis of the input materials in order to break down insoluble organic polymers such as carbohydrates and make them available for other bacteria. Acidogenic bacteria then convert the sugars and amino acids into carbon dioxide, hydrogen, ammonia, and organic acids. Acetogenic bacteria then convert these resulting organic acids into acetic acid, along with additional ammonia, hydrogen, and carbon dioxide. Finally, methanogens convert these products to methane and carbon dioxide.

    By QM Environmental Services Ltd. based in The Hague, NETHERLANDS.

  • Oxygen Generating Systems for Sewage Treatment

    Using Oxygen to Solve Waste Water Problems Lack of oxygen can cause inadequate purification or even anaerobic decomposition, as well as offensive odors. Injecting oxygen into sludge beds &/or piping allows you to: * Reduce nitrogen levels * Meet peak O2 demands * Have a back up to your aeration system * Pre-purify waste water * Control odors * Deter corrosion damage * Meet increased requirements regarding waste water purification

    By Oxygen Generating Systems Intl. (OGSI) based in North Tonawanda, NEW YORK (USA).

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    Real-time Control System for Wastewater Treatment Plants

    Wastewater treatment plants (WWTP) are subject to large variation in flow and load, not to speak of uncertainties on the composition of the incoming wastewater. On top of that, the activated sludge treatment process, as used by the vast majority of treatment plants, is difficult to control due to the complex behaviour of the biological process. Nevertheless WWTPs are run 24/7, with operators and management challenged to meet ever tightening environmental regulations.

    In order to meet the operational demands of modern-day plants, a new control system was developed. Proprietary control algorithms were introduced based on a large set of data from nutrient measurements in various WWTPs. The customer`s benefits are twofold: (1) achieving optimum effuent quality and, at th same time, (2) lowering energy needs and dosing of commidity chemicals.

    By AppliTek NV based in Nazareth, BELGIUM.

  • Stack Testing for Sewage Sludge Incinerators

    SEWAGE TREATMENT INDUSTRY: Provided Incinerator Performance Testing Services and Relative Accuracy Testing of a Continuous Emission Monitoring system associated with sewage sludge incinerator.

    By AirSource Technologies, Inc. based in Shawnee, KANSAS (USA).

  • Biological waste water treatment

    Biological waste water treatment - activated sludge systems - biofilm systems - submerged fixed film system - MBBR-Systems - MBR-Systems - SBR Systems

    By Environmental Engineering Doellerer GmbH based in Seefeld, GERMANY.

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    Hazardous waste treatment solutions for metal industry

    Sludge by-products from the metalworking industry have a high potential for recycling. Prolonged grinding processes can generate large amounts of highly valuable, alloy-rich sludge; consisting of metal powder and cooling lubricants. Inside our VacuDry system, the thermal separation of the liquids (hydrocarbons, eventually water) and solids (metal powder) takes place in an oxygen free atmosphere. This absence of oxygen ultimately eliminates material degradation by oxidation, and self-ignition or explosion risks. Operation under a low vacuum ensures the possibility to recover the cooling lubricants for later reuse. After the thermal treatment, for appropriate handling in the melting process, the metal powder is pressed into briquettes. With the econ VacuDry technology, 100% recycling of all ingredients is possible.

    By econ industries GmbH based in Starnberg, GERMANY.

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    Treatment, Optimization and Design for WWTP's

    The purpose of the work is to demonstrate the rationale, procedures and advantages of using process simulation to evaluate the steps involved in process upgrades from conventional or fully aerobic process conditions to multi stage systems capable of operating as a BNR system. In the author's experience and the conclusions of this presentation are that the use of these systems in daily operations and in the preparation for process upgrading is empowering and economically advantageous. SASSPRO(Steady State Activated Sludge Simulator, Program)

    By WeDoTanks.com LLC based in Sahuarita, ARIZONA (USA).

  • Biogas Treatment & Utilization

    ADI Systems offers treatment of biogas for H2S removal using both biological and chemical-based scrubber technologies. ADI Systems can provide biogas utilization packages in the following applications: Internal Combustion Engines Gen-sets Microturbines Fuel Cells Boiler and Steam Generating Systems Sludge Dryers Contact ADI Systems to learn how we can help your facility reclaim energy from waste.

    By ADI Systems based in Fredericton, NEW BRUNSWICK (CANADA).

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    Applications and Air Pollutants Removed for Wastewater Treatment Operations

    For industrial and municipal treatment plants; Chemical scrubbers, biological towers and adsorption systems to remove hydrogen sulfide, mercaptans, other organic sulfur compounds and ammonia from digesters, pump stations, ponds, grit and screening works, sludge filter presses and dryers. Special Wet Electrostatic Precipitator for sewage sludge incinerators. Stripping ammonia and other volatile compounds. Decarbonization removal of carbon dioxide from wastewater.

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

  • Aquatech Enhanced Oil Recovery (EOR)

    In a Steamflood Enhanced Oil Recovery (EOR) process, steam is injected in the well, lowering the viscosity of heavy oil suitable for extraction through the production wells. The fluid from the wells is a mixture of oil, water and gas and goes through a separation system to separate the three. The separated produced water is heavily contaminated with dissolved solids and hydrocarbons. Aquatech’s Steamflood Enhanced Oil Recovery (EOR) Technology offers the integrated solutions for the treatment EOR produced water for boilers, generating a purified product that can be reused for the production and injection of steam. Our turnkey approach to treatment includes coordinating the logistics of wastewater removal off-site and any sludge disposal.

    By Aquatech International Corporation based in Canonsburg, PENNSYLVANIA (USA).

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    Applications and Air Pollutants Removed in Hazardous, Solid and Liquid Waste Treatment Operations

    Venturi scrubbers with FORCE FLUX Condensation technology and Wet Electrostatic Precipitators for industrial, municipal, sewage sludge and pathological waste incinerators to remove micron, submicron particulate, heavy metals and acid gases. Special quencher/scrubber systems for dioxin removal. HCL scrubbing from PVC plastic waste burning. Fine particulate, acid gases and NOx removal on munitions destruction. Cleanup of all pollutants from liquid waste incinerators and other high temperature destruction processes. Acid and particulate emissions from electronic board and metals recovery operations.

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

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    Odor control for refining/petroleum

    You refine the fuel, we’ll remove the odors. Oil refineries and petrochemical plants may generate large volumes of odor from the processing and refining of different fuels. Sulfides, mercaptans, and hydrocarbon compounds are all closely related to the oil industry. The odors generated from these industrial compounds are of a high nuisance value and generally create concern among local air boards and the public. Ecosorb odor removal products may be used in a variety of areas around the refinery including water treatment facilities, sludge ponds, sulfur recovery units, and API separators. To remove odors during tank cleaning and maintenance operations, portable dispersion systems can be used in the immediate work area to control malodors. Ecosorb products can be directly injected into flues and stacks and may be used as a substitute scrubbing solution in some applications.

    By OMI Industries (OMI) based in Long Grove, ILLINOIS (USA).

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    Industrial air pollution control for the recycling and waste management

    Due to the continuous rise in the waste volumes worldwide it is essential constantly to seek alternatives to landfills and waste incineration: one suitable approach is bio-mechanical waste treatment. Apart from waste management, applications for air purification systems in this field range from soil remediation to sewage sludge drying in waste water treatment, as well as to the recycling of resources and their possible re-introduction.

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    Applications and Air Pollutants Removed in the Pulp and Paper Industry

    Equipment and systems for Kraft and Sulfite mills. Control chlorine and chlorine dioxide emissions from bleaching operations. Brown stock washer emissions. Control particulate emissions from lime kilns, lime slakers, black liquor recovery boilers, furnaces and gasification units. Particulate from bark and sludge boilers and sulfur dioxide and trioxide removal from those sources. Control of hydrogen sulfide, TRS and methanol emissions from LVHC and HVLC gas streams. Complete fugitive lime dust collection systems to handle emissions from conveyors, elevators and feeders. Smelt dissolving tank particulate and TRS gases. Direct contact waste heat recovery. Black liquor evaporation. Treatment and subcooling of boiler and kiln gases to remove particulate, sulfur dioxide and TRS for precipitated calcium carbonate production (PCC). Dust from tissue and paper rollers and dryers. NASH and sodium hypochlorite scrubbing. Waste heat recovery with direct contact heat exchangers.

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

  • Automated solutions for the aeration lagoon / pond dredging

    LWT`s dredging systems are used for aeration lagoon / pond dredging applications. A dredging system for removal and disposal of raw sewage solids, decayed algae and microorganisms, and algae-laden sludge results in a long term solution for treatment plants. Aeration lagoon / pond dredging increases lagoon storage volume, provides improved detention time, and accommodates increased plant flow.

    By Liquid Waste Technology LLC (LWT LLC) based in New Richmond, WISCONSIN (USA).

  • Belt filter press

    Belt Filter Press is often applied in wastewater treatment plant sludge dewatering process and it is one of the most cost effective options regardless of the type of sludge feed into the systems. There are several combined processes added into one unit and it involves different applications such as chemical conditioning, gravity drainage and mechanical shearing and compression effect to remove water and dry up the sludge. Today, belt filter presses are widely used and it has become a standard for general wastewater sludge application and thus, learning how to optimize and use it to your advantage is very important.

    By Henan Jincheng Filter Equipment Co., Ltd based in Yuzhou city Henan province, CHINA.

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