water treatment lime Articles

  • Anglo Coal - Case Study

    Acidic mine water treatment without lime South African Coal Estates (SACE) is a division of Anglo Coal and operates the coalmine at Landau Colliery in South Africa. Processing of the coal results in a sulphate-rich effluent. Part of the sulphate is removed with lime precipitation but this produces an effluent that is oversaturated with gypsum. As a result, scaling occurred ...


    By Paques Technology B.V.

  • Evaluation of Ceralite-A as an Alternative to Anthracite Filter Media - Case Study

    Project Description The Golden Heart WTP located in Fairbanks Alaska is a lime softened, ground water treatment plant with five filter basins, with a combined surface area of 1495 ft2. Typical filter loading rates are in the 2.3 –to 3.1 gpm/ft2. The plant has 16” of 1.0 mm ES anthracite media over 8” of 0.55 mm ES sand which had reached the end of its ...


    By Wateropolis Corp.

  • Influence of coagulant/lime dosing sequence on treatment of soft humic waters

    The influence of dosing sequence of lime and alum as a coagulant in the treatment of soft humic waters (requiring pre-alkalinisation of raw water) was studied. The experiments show that the traditional dosing order, i.e. pre-alkalinisation first and coagulant second, might give worse results in comparison with the reversed order, i.e. coagulant dosing followed by pre-alkalinisation. The ...


    By IWA Publishing

  • Retrofit boosts plant performance with updated membranes - Case Study

    Overview The Brazos Regional Public Utility Agency (BRPUA) Surface Water  Treatment System consists of lime softening contact clarifiers as  pretreatment to ultrafiltration and reverse osmosis membranes. To  improve plant performance, WesTech worked with BRPUA to develop a  comprehensive and efficient retrofit strategy to expand the UF system  capacity to 10 ...


    By WesTech Engineering, Inc.

  • Superior Manufacturing Division, Magnatech Corporation Case study

    15 Years of Saving the Environment Some companies seem to always be ahead of their time. Rather than going with the flow, they choose to step out and try something different. That’s what often leads them to success. L&L Products of Romeo, MI, is one of these mastermind companies. The intellectual wheels of Robert Ligon and Eugene Lane started turning in 1958 after realizing a ...

  • Sustainable mining

    It's imperative that natural resource industries adopt a proactive (even aggressive) approach to the disposal and management of their wastes. Operators must challenge themselves to raise the bar in terms of environmental performance not only to meet the expectations of regulators today (and investors and the general public), but in the future, when requirements will no doubt be even more ...

  • Dallas water utilities - Case Study

    Integrity Municipal Systems Restores Eight Lime Slakers for the Bachman Water Treatment Plant in Dallas, TX: Almost $1M Saved Compared to New Systems Dallas Water Utilities (DWU) provides approximately one billion gallons per day of clean drinking water to more than 1.2 million residents from three processing facilities. Reliability is vital to DWU and its customers. To ensure ...

  • Roll-press briquetting helps Iowa lime producer retain previously wasted fines as valuable product case study

    Adding a new 550 tpd rotary kiln more than doubled lime production capacity at Linwood Mining and Minerals Corporation's Buffalo Plant, located near Davenport, IA...but it also raised the problem of what to do with a greatly increased output of fines. Realizing that landfilling its plant property with waste fines at rates of up to 100 tpd would not be a good long-term solution, the company not ...


    By K.R. Komarek Inc.

  • Public water utility potable water - Case study

    Application Public Water Utility Potable Water Treatment Facility Material Hydrated Lime Slurry From Water Softening Clarifiers Incoming Slurry 15 – 25% Solids Problems Land Application Prohibited By State Law pH Range Of 9.0 – 11.0 ...


    By Sebright Products, Inc.

  • New federal and provincial environmental legislation

    With some provincial legislatures sitting, Acts are being introduced, amended, and brought into force. The federal and provincial governments continue to file new regulations and amend existing ones. Among the most recent changes are: BRITISH COLUMBIACode of Practice for Soil Amendments The Code of Practice introduces industrial wastes into the environment as soil enhancements. Soil ...

  • Re-agent dosing - Sodimate installs standardised equipment to meet the specifications of each plant case study

    Water quality refining is the most essential step in water treatment processes. When done properly, it guarantees palatable taste characteristics suitable for drinking water. The reliability and accuracy of the processes for storing, metering, and dissolving the required re-agents are indispensible for successfully completing this final treatment. Outlined below is a case story about Viry- ...


    By Sodimate, Inc

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