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wastewater recovery Applications

  • Industrial water Copper removal and recovery

    Pure copper is soft and malleable; a freshly exposed surface has a reddish-orange color. It is used as a conductor of heat and electricity, a building material, and a constituent of various metal alloys. Recycling is a major source of copper in the modern world. A combination of economic and regulatory factors are now at work to make metal recycle and water reuse very attractive.

    By PuriTech Ltd based in Herentals, BELGIUM.

  • Enhanced Oil Recovery - Produced/ Impaired/ Wastewater

    WILSA® technology improves the efficiency of existing separation equipment in produced/ impaired water. The non-chemical ElectoWave Conditioning system supercharges Stokes Law to break emulsions, enhance coalescing, reduce viscosity and retention time. This allows traditional/ existing separators to function more efficiently and to either reduce or eliminated chemical programs used to achieve separation.

    By Hudson Industries based in Vienna, OHIO (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).

  • Industrial water Uranium recovery & purification

    The type of Uranium mineralization and the nature of its association within a particular deposit will have a major impact on process route selection. Uranium minerals are classified according to their influence on extractive metallurgy. The presence of impurities such as Vanadium, Molybdenum, and others may dictate that ion exchange is to be employed.

    By PuriTech Ltd based in Herentals, BELGIUM.

  • Sludge dewatering and water recovery from sand and aggregate washing processes

    Bilfinger Water Technologies designs and builds complete water recovery and slurry dewatering systems for sand and aggregate washing plants. These high-performance systems minimize water usage and solid disposal problems.

    By Bilfinger Water Technologies GmbH based in Aarbergen, GERMANY.

  • Industrial water Zinc recovery from pickling acid solution

    The zinc chloride is to be removed from pickling acid at 6N concentration. Under these conditions, the ZnCl2 will form a stable complex and may be removed by PuriTech`s ION-IX technology using an anion resin. The resin is then eluted with water.

    By PuriTech Ltd based in Herentals, BELGIUM.

  • Turbidity Monitoring

    The monitoring of Turbidity is key requirement of the water industry in both water supply and water recovery systems. Within the water supply process, monitoring of turbidity allows operators to assess the efficiency of filters for particulate removal through the process. Similarly, with water recovery (Waste Water Treatment Works), the measurement of turbidity is a key parameter to track the removal of particulate through the process. CTG can provide turbidity measurements with the UniLux sensor, or provides turbidity as one of the parameters available within the 3 channel TriLux. For applications requiring turbidity measurements compliant to ISO07027:1999, CTG can offer the TurbiLux Nephelometer.

    By Chelsea Technologies Group based in West Molesey, UNITED KINGDOM.

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    Mineral sorting for the mineral industry

    The processing of minerals places a high demand on the sorting process. REDWAVE offers flexible sorting systems which are highly effective in separating impurities from valuable minerals. The separation occurs on the basis of colour, shape, structure or material property. REDWAVE guarantees high throughput with effective recovery of required materials, achieving maximum return on the separated commodities.

    By REDWAVE a division of BT-Wolfgang Binder based in Gleisdorf, AUSTRIA.

  • Effluent wastewater treatment for refineries

    Aquatech has experience working with refinery effluent pollutants in the refinery market and offers the advanced petroleum wastewater treatment and recovery technology necessary for the refinery’s needs.

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

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    Wastewater technology for the oil exploration and refinery

    In the secondary recovery stage of an oil reservoir, process water plays a central role, just as in the extraction of natural gas. After the oil exploration, the produced water must be separated from the oil and gas. The process water needs to be prepared in order to be re-injected into the water cycle of production. For this purpose, highly efficient separation methods are required.

    By AWAS International GmbH based in Wilnsdorf, GERMANY.

  • Automated solutions for the industrial lagoon / pond dredging

    Liquid Waste Technology’s dredging systems are widely used for industrial lagoon dredging applications. Electric driven or diesel engine driven dredges are used for removing mine tailings, dredging chemical processing waste ponds, and slag recovery. Automation can be added to make dredging industrial lagoons more efficient and productive.

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

  • Aquatech Oil Sands-Produced Water Treatment

    For most oil sand recovery is accomplished with in-situ thermal processes like Steam Assisted Gravity Drainage (SAGD) and Cyclic Steam Stimulation (CSS), where steam and chemicals are injected to the liquefy the bitumen. The treatment and recycling of the produced water used in this process has a direct impact on the cost of oil production. Aquatech provides water treatment technologies that includes the recycling of the produced water used the process which has a direct impact on their the cost of oil production.

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

  • Sulfide Oxidation with Hydrogen Peroxide (H2O2)

    Sulfide Odor Control Sulfide is found throughout the environment as a result of both natural and industrial processes. Most sulfide found in nature was produced biologically (under anaerobic conditions) and occurs as free hydrogen sulfide (H2S) - characterized by its rotten egg odor. We are most likely to encounter biogenic H2S in sour groundwaters, swamps and marshes, natural gas deposits, and sewage collection/treatment systems. Manmade sources of H2S typically occur as a result of natural materials containing sulfur (e.g., coal, gas and oil) being refined into industrial products. For a variety of reasons - aesthetics (odor control), health (toxicity), ecological (oxygen depletion in receiving waters), and economic (corrosion of equipment and infrastructure) - sulfide laden wastewaters must be handled carefully and remediated before they can be released to the environment. Typical discharge limits for sulfide are < 1 mg/L. Sulfide Treatment Alternatives There are dozens of alternatives for treating sulfide laden waters, ranging from simple air stripping (for the low levels present in groundwaters) to elaborate sulfur recovery plants (used to treat several tons per day at refineries and coal burning power plants). There are processes based on biology (using compost filters, scrubbing media, or inhibition/disinfection), chemistry (oxidation, precipitation, absorption, and combination), and physics (adsorption, volatilization, and incineration). Each process occupies a niche which is often defined by the scale and continuity of treatment, whether the sulfide is in solution or is a gas, the concentration of sulfide involved, and the disposition of the sulfide containing medium. However, for reasons relating to convenience and flexibility, chemical oxidation (using hydrogen peroxide) continues to grow in its scope of application. Treatment with Hydrogen Peroxide While other peroxygens such as permonosulfuric (Caro’s) acid, peracetic acid, and persulfates will oxidize sulfide, their use for this application is overkill. Hydrogen peroxide (H2O2) is considerably simpler and more cost-effective. H2O2 may control sulfides in two ways, depending on the application: Prevention - by providing dissolved oxygen which inhibits the septic conditions which lead to biological sulfide formation; and Destruction - by oxidizing sulfide to elemental sulfur or sulfate ion.

    By USP Technologies based in Atlanta, GEORGIA (US) (USA).

  • Desalination -Membrane Seawater Reverse Osmosis (SWRO)

    Aquatech is committed to being the leader in membrane technology with a focus on breaking barriers related to pretreatment, energy recovery, and overall water recovery. We are progressively making strides in optimizing the lifecycle cost and increasing the reliability of SWRO equipment installations. Our approach is to take complete responsibility of SWRO plant installations to ensure complete design integration….. from intake to outfall, Aquatech can take single point responsibility. • More than a decade of experience with SWRO desalination installations on four continents • Capability to design and execute integrated desalination projects on an EPC basis • Potable system design for Boron removal as per global standards • In-House programming capabilities lower overall start-up costs, improve reliability and ensure better plant availability • A dedicated Membrane Desalination Center of Excellence focused on the development of cutting edge solutions for large SWRO plants

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

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    Water treatment for power plants

    The process of electricity generation from fossil fuels such as coal, oil and natural gas is water-intensive. Between 40-50% of all water abstracted and used in developed countries is used in the generation of electricity. Thus, a reliable, abundant and predictable source of raw water supply to a power plant is a critical factor in site selection. Water supplies are required to provide various process waters for the following essential main purposes such as make-up water, cooling water for steam turbine condensers, and auxiliary plant cooling water.

    The primary application of modern water treatment technology is to maintain the integrity and performance of the power plant. Critical plant applications have water purity or conditioning requirements that must be adhered to for safe, reliable and efficient power generation.

    Experience has shown that integration of water technology treatments with power plant design can be very important in reducing operational problems and component failures 

    At power plant worldwide there are increasing limitations on water availability and environmental restrictions on discharges. This is expected to promote measures for water conservation and to have an increasing influence on water treatment decisions. At power plant, the recycling of internal wastewater streams can extend from the recovery of individual high-quality waste streams, which can be reused either directly or after only limited treatment, through to the development of fully integrated water/wastewater treatment systems for zero liquid discharge. However, the application of reuse schemes requires site-specific assessment, as not all waters may be viable options for recovery.

    By De Nora Water Technologies based in Colmar, PENNSYLVANIA (USA).

  • Evaporators technology for health care industry

    In a cutting-edge sector, such as Pharma & Cosmetics production, the needs related to wastewater can be summarized as optimization of the whole water cycle management, controlling the costs and respecting the environment. Within the Health Care industry, water is commonly used in liquid, either as an ingredient in many formulations and also as a cleaning agent. The wastewater coming from these processes can offer opportunities for matter recovery and water reuse.

    By EVALED - Veolia Water Technologies based in Zoppola (PN), ITALY.

  • Innovative pump technology for ship industry

    In shipbuilding, high standards of reliability as well as increasingly the energy efficiency of the systems are important prerequisites for the economical-technical overall evaluation in the technical procurement process. Ships as self-sufficient systems are particularly dependent on the reliable functioning of all installed components, including the pumps. They fulfil many tasks on board which are vital for the operation of the vessel: Delivery of ballast water and wastewater, boiler supply, condensate recovery, drive engine cooling and of course the reliable supply of fire fighting systems.

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