pond circulator Articles

  • Evaporator concentrates brine pond for about 1 cent per gallon

    The Facility Eagle-Picher Industries has an 8-acre hazardous waste surface impoundment pond at its Electro-Optics Division plant in Quapaw, Oklahoma. The Problem By the time Eagle-Picher contacted Aqua-Chem ICD, the impoundment pond had been in use for more than 20 years and contained more than 5 million gallons. Environmental regulation required the plant ...

  • The Potential of Solar-Powered Water Circulators to Help Solve Serious Water and Energy Problems in the U.S.

    With increasing human populations comes the corresponding increased need for improving water quality in lakes, wastewater ponds, potable water reservoirs, and other water storage facilities. Providing circulation within water reservoirs of all types has long been known to provide meaningful benefits, but the costs to achieve sufficient circulation through diffused aeration or mechanical mixers ...


    By Medora Corporation

  • Solar-Powered Circulation Technology Clears Out Blue-Green Algae without the Costs and Hazards of Copper Sulfate

    Untitled Document As the annual onslaught of blue-green algae (cyanobacteria) blooms continues to plague fresh water lakes and reservoirs, the use of copper sulfate to control the problem has ...


    By Medora Corporation

  • The effect of aeration and effluent recycling on domestic wastewater treatment in a pilot-plant system of duckweed ponds

    Three pilot-scale duckweed pond (DP) wastewater treatment systems were designed and operated to examine the effect of aeration and effluent recycling on treatment efficiency. Each system consisted of two DPs in series fed by pre-settled domestic sewage. The first system (duckweed+ conventional treatment) was ‘natural’ and included only duckweed plants. The second system ...


    By IWA Publishing

  • Dewatering bin carryover study

    Bottom ash dewatering bins (hydro-bins) at coal fuel utility plants allow ash material to carry over to ash settling ponds, or in the case of closed loop systems, re-circulate suspended ash solids, resulting in the following problems: Frequent and expensive dredging of settling ponds Excessive wear on system components caused by re-circulating suspendedsolids Labor intensive manual ...


    By Entech Design, Inc.

  • Kfar Ruppin, Israel A Case Study

    Case Study: Fish FarmClient: Kibbutz Kfar RuppinStart Up: 2004Capacity: 120 m3/h circulation Overview Kfar Ruppin is one of the leading fish farming coops in Israel. Recent restrictions on water consumption and discharge have led the coop to consider semi intensive closed loop fish ponds. The main objectives in closed loop fish farming applications are ...

  • Simple design criteria and efficiency of hydrodynamic vortex separators

    Vortex separators still draw attention from specialists investigating the process of removing particles suspended in liquids. The devices are locally applied for waste water treatment in different systems – from storm waste water sewerage to water circulation in fish ponds. However, the methods for separator design presented in the literature are questionable. The paper presents two ...


    By IWA Publishing

  • Duke energy selects HERO membrane process for ZLD application

    The Facility The Arlington Valley Power station being developed by DENA is a large combined cycle power plant located in Arlington, Arizona. Duke/Fluor Daniel (DFD) of Houston, Texas are owner engineers and contractors. DFD were instrumental in selecting the HERO route for its economy, ease of operation and reduced operating costs. DFD obtained their permitting based on ...

  • Tahiti: Shrimp intensification excellence

    Advanced techniques for super intensive shrimp cultivation are common in Tahiti due to researchers high-tech expertise on this land-limited island. Most farms are stocked with Penaeus vannamei or P.stylirostris shrimp at densities of 100 to 120 animals per m 2. Production rates average 20,000 kg per hectare per year. Survival rates are 70 per cent. Researchers compared aerators. Tests showed the ...

  • Genwest silverhawk power plant in nevada to install brine concentrator system

    The Facility The 570-Megawatt Silverhawk Power Station is a natural gas-fired combined cycle electric generating station located in Clark County 20 miles north of Las Vegas, Nevada. In order to meet the permitting requirements and conserve water, the facility uses a dry cooling arrangement. The project was constructed by Lockwood Greene acting as EPC under the project management ...

  • Prevent Fish Kill in the Spring

    Pond Deicing Can Help Prevent Fish Kill Keeping the pond open will help keep oxygen in the water, attract water fowl and help prevent fish kills in the spring. The most common cause of fish kills is suffocation due to lack of dissolved oxygen. Most dissolved oxygen is produced by algae and aquatic plants through photosynthesis. A lesser but also important source of oxygen in water ...


    By Keeton Industries, Inc.

  • Helm Plant, Calfornia case study by AEROMIX Systems Inc.

    Client: Hunts/ConAgra Foods Location: Helm Plant, California Type: Domestic & Industrial Wastewater Treatment Facility Hunts/ConAgra Foods, located in Helm, California, processes over 300 tons of tomatoes per hour. It is believed to be one of the biggest plants of its kind. The plant employs an innovative transport system, using a flume ...


    By RWL Water LLC

  • How is biodiesel produced?

    This article is the first in a series that will take a close look at alternative fuels production and source materials. Over the next several months, we will cover natural gas, propane, ethanol, hydrogen, and fuel cells. This month, we will focus on biodiesel. Methods for creating fuels from renewable biomass feedstocks have been used since the 1800s. Vegetable oils were used in diesel engines ...

  • Tianjin SDIC Project - China’s Largest Desalination Plant case study

    China’s SDIC (State Development and Investment Corporation) needed a reliable and sustainable supply of clean water near the Tianjin power plant, 200km northeast of Beijing. The plant provides high quality drinking water for the local population, as well as industrial boiler make up and process water for the power plant. IDE’s Multi-Effect ...


    By IDE Technologies

  • Reclaimed Municipal or Industrial Wastewater for Power Plant Cooling & Boiler Feed Make-Up Water

    For centuries, water was considered a commodity product and used with little or no restriction. In today’s modern society, water is now being considered a precious resource and considerable effort is put into protecting, recycling, and restricting its use freely. State and Federal agencies have put in place guidelines and regulations restricting its use, especially for industrial use. ...

  • Advanced Integrated ZLD Systems

    The Hybrid ZLD approach pairs the best of membrane and thermal technology to make ZLD affordable, yet robust and reliable. Over the past decade, the Hybrid ZLD systems i.e. integrated zero liquid discharge (ZLD) systems have emerged as die most effective ZLD approach for dealing with the most difficult to treat wastewaters in many industries including power, refining, and chemicals. The Hybrid ...

  • Monitoring Oil in Cooling Water

    The Situation A municipal power plant in the southern United States operates more than 10 stationary power plant engines capable of producing 52 megawatts of electric power. The plant is part of a larger statewide power grid system. Within the grid, the municipality brokers the purchase or sale of power hourly, based on the needs of municipality and the market rate for power on the grid ...

  • Greywater recycling system

    Every new home should have a Grey Water Recycling System! This innovative new product allows you to re-use your greywater (previously wasted) and recycle it for use on your gardens or reuse back through the toilets for flushing or in the laundry. Right now this is so important with low water levels, and water prices and council restrictions on the increase. The Ozzi Kleen GTS10 Greywater system's ...

  • Top Tips for Using Rainwater Domestically & Commercially

    Did you know that rainwater can be used (instead of mains water) for a huge number of activities and tasks domestically and commercially (inside and outside). As an alternative water source, rainwater recycling can help reduce typical household water usage by up to 70%, with hot water applications by as much as 85%. ...


    By Gutter Mate Ltd

  • Preventing Rust Formation with Electronic Water Treatment

    The growing demand for water for industrial applications, power production and water supply has resulted in an increasing need for water treatment. The water used in industry comes from a range of sources such as rivers, lakes, wells and oceans and contains dissolved and suspended solids.  In addition the industrial world has to reuse water which in turn causes it to be highly concentrated ...

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