sludge tank Articles

  • Seven Ways Your Facility Isn’t Meeting Effluent Regulations and How to Solve Them

    Whether you own, operate, or help manage a municipal or industrial facility that deals with wastewater, it’s important to understand how wastewater treatment can play a significant role in the overall health of your business, especially when it comes to meeting effluent regulations. This is an important part of the wastewater treatment process to consider, as ignoring it could earn your ...


    By SAMCO Technologies, Inc.

  • Chopper Pumps: Saeby fish processing plant, sludge tank mixing and pumping

    The sludge is coming from the dewatering unit, includes polymers, and has a dry matter content of 15 %. A Landia dry installed pump type MPTKR-I 18,5 kW pump was installed. The pump mixes the tank contents through a recirculation system and pumps the sludge to a tanker truck. The pump was built with a special feeder propeller to make sure it could handle the high dry matter content. The ...


    By Landia

  • Surface active solutions tank cleaning & crude oil sludge removal

    For over ten years Surface Active Solutions has led the way in developing integrated microemulsion solutions for tank cleaning operations, crude oil sludge treatment and slops treatment. The company, with offices in Houston and Grangemouth (Scotland) aims to create real synergy in its approach to tank cleaning by combining its microemulsion chemistries with automated tank cleaning systems. The ...

  • Performance of a system with full- and pilot-scale sludge drying reed bed units treating septic tank sludge in Brazil

    This study investigated the performance of sludge drying reed beds (SDRB) at full- and pilot-scale treating sludge from septic tanks in the city of Belo Horizonte, Brazil. The treatment units, planted with Cynodon spp., were based on an adaptation of the first-stage of the French vertical-flow constructed wetland, originally developed for treating sewage. Two different operational phases ...


    By IWA Publishing

  • Sewage sludge management in Malaysia

    This paper describes the current status of sewage sludge management in Malaysia, including sludge characteristics from both communal sewage treatment facilities and septic tanks. The levels of potentially toxic elements in the sludge are defined and compared to levels elsewhere in the context of the suitability of the sludge for agricultural use. Current sludge disposal practices are reviewed and ...


    By Inderscience Publishers

  • Oil Field Sludge Dewatering

    An oil field contract dewatering company was unable to dewater the oily/water/solids from several oil field storage tanks using conventional coagulants/flocculants. The swings in solids loading and oil content made it very difficult to control the correct dosage rate as conventional chemistry has a very tight tolerance to maintain a dewaterable floc. The result was an ongoing blinding problem for ...


    By Integrated Engineers Inc.

  • Industrial Sludge Treatment

    Industrial Sludge Wastewater Treatment Industrial Sludge Treatment Facility Oxygen Mixing Injection Dissolved Oxygen Boosted with Liquid Oxygen to Improve ...


    By Integrated Engineers Inc.

  • Industrial Sludge Wastewater Treatment

    Industrial Sludge Wastewater Treatment Industrial Sludge Treatment Facility Oxygen Mixing Injection Dissolved Oxygen Boosted with Liquid Oxygen to Improve Bacteriological ...


    By Integrated Engineers Inc.

  • Technical Focus: Sludge Blanket

    Regardless of treatment process, sludge blanket control is an important aspect of any wastewater treatment plant, and correct monitoring and treatment of sludge is paramount for efficiency and cost control. Manual monitoring of sludge blanket levels is an occasional and often rushed method of control and can lead to inaccuracies being compounded over time, potentially leading to overspill into ...


    By Partech (Electronics) Ltd.

  • Controlling Sludge in Lamella Clarifiers

    This month we are focusing on the control of sludge blanket build up in Lamella Clarifiers. Lamella Clarifiers, also known as Inclined Plate Separators (IPS) are in common use at Waste Water Treatment Sites as small footprint plant settlement units and are often employed in ...


    By Partech (Electronics) Ltd.

  • Sludge Treatment and Disposal Technologies

    Most wastewater treatment processes produce a by-product that purifies wastewater before it is released into local waterways. This by-product is named as sludge. Typically in solid, semi-solid or liquid state, it is in fact an amalgamation of all the liquid wastes that are discharged by domestic houses, commercial properties, industry, and/or agriculture after aerobic biological treatment. ...


    By IWA Publishing

  • Examination of sludge accumulation rates and sludge characteristics for a decentralized community wastewater treatment systems with individual primary clarifier tanks located in Wardsville (Ontario, Canada)

    In conventional septic systems, settling and partial treatment via anaerobic digestion occurs in the septic tank. One of the byproducts of solids separation in the septic tank is a semi-liquid material known as septage, which must be periodically pumped out. Septage includes the liquid portion within the tank, as well as the sludge that settles at the bottom of the tank and the scum that floats ...


    By IWA Publishing

  • Performance comparison between a two-reactor cascade and a single tank in an activated sludge wastewater treatment process

    We investigate a model for the treatment of wastewater in the activated sludge process. The process is based on the aeration of wastewater with flocculating biological growth, followed by the separation of treated wastewater from biological growth. The biochemical model consists of two types of bacteria: sludge bacteria and sewage bacteria; and two types of ciliated protozoa: free-swimming ...


    By Inderscience Publishers

  • Sludge accumulation and conversion to methane in a septic tank treating domestic wastewater or black water

    Although the septic tank is the most applied on-site system for wastewater pre-treatment, limited research has been performed to determine sludge accumulation and biogas production in the tank. Therefore a dynamic mathematical model based on the Anaerobic Digestion Model No. 1 (ADM1) was developed for anaerobic digestion of the accumulated sludge in a septic tank treating domestic wastewater or ...


    By IWA Publishing

  • Evaluation of WAS reduction efficiency using kinetic parameters in pilot-scale SBR operated with anaerobic sludge holding tank

    By evaluating microbial kinetic parameters of a pilot sludge blanket reactor (SBR) plant operated with an anaerobic sludge holding tank (SHT), it was found that the sludge production was reduced by 63.5%. According to the theory of uncoupling metabolism, the microorganisms were induced to the initial stage of the endogenous phase in SHT, which resulted in the reduction of yield ...


    By IWA Publishing

  • Chopper Pumps: Pumping of septic sludge

    Landia chopper pumps have a great record of application in septic sludge. Septic sludge is raw unscreened sewage often delivered by tanker trucks from remote sites such as summer houses, camping sites, harbours, etc. Septic sludge contains many different solids tending to clog up pumps, everything people possibly can flush down a toilet! At this particular plant, a DG-I 4,0 kW –1500 kW was ...


    By Landia

  • Novel method for sludge blanket measurements

    The most widely used methods for sludge blanket measurements are based on acoustic or optic principles. In operation, both methods are expensive and often maintenance-intensive. Therefore a novel, reliable and simple method for sludge blanket measurement is proposed. It is based on the differential pressure measurement in the sludge zone compared with the differential pressure in the clear water ...


    By IWA Publishing

  • The role and control of sludge age in biological nutrient removal activated sludge systems

    The sludge age is the most fundamental and important parameter in the design, operation and control of biological nutrient removal (BNR) activated sludge (AS) systems. Generally, the better the effluent and waste sludge quality required from the system, the longer the sludge age, the larger the biological reactor and the more wastewater characteristics need to be known. Controlling the reactor ...


    By IWA Publishing

  • Heavy metal & hydrocarbon contaminated sludge

    Solidification of Heavy Metal & Hydrocarbon Contaminated Sewage Sludge Client: North Lanarkshire Council Project Managers: Jacobs Challenge: The former sewage treatment works were decommissioned in the 1970’s. It is thought that during the closure process, demolition material originating from the ...


    By Soilutions Ltd

  • Faecal sludge management - Malaysia Philippines

    1. Overview and key points Malaysia has been recognised to have adopted a good sanitation model through the use legislative reforms and implementation models. A firm set of guidelines along with clear knowledge on the role played by every stakeholder, especially that of developers whose responsibility it is to construct their own wastewater treatment, enabled an increase in sanitation coverage ...


    By IWA Publishing

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