Screw Presses Articles

  • Meat processing factory - Case Study

    Installation in a narrow space Problem This factory had used multi disc type dewatering equipment for long time; however, they had been facing problems such as aging and lack of throughput of the equipment. Due to a limited space for the dewatering equipment, they were looking for compact dewatering equipment with larger capacity. AMCON's ...


    By AMCON Inc.

  • Economic assessment of sludge handling and environmental impact of sludge treatment in a reed bed system

    The effect on the environment of the establishment and operation of a sludge treatment reed bed system (STRB) is quite limited compared to mechanical sludge dewatering, with its accompanying use of energy and chemicals. The assessment presented here of the investment, operation and maintenance costs of a typical STRB, and of the related environmental impact, is based on the experiences gained ...


    By IWA Publishing

  • Intensified ribbon blending of melamine compounds cuts cycle times 25% for furniture molder

    Melsur Corporation, the world's leading supplier of hard plastic melamine school furniture, molds components from a mixture of resin, wood flour and pigments. Each of the 32 color variations, 30 products and custom designs must be blended individually, a process that can take up to four hours, depending on product. Anything less than empirically defined cycle times alters the final color and ...

  • Glass blended rapidly with abrasion resistant rotary mixer

    While most reading this article may be unfamiliar with the Kopp Glass name, most are likely familiar with Kopp Glass products. From a humble beginning more than 80 years ago, as a manufacturer of red glass for railroad signals, Kopp now claims to be the world's leading producer of precision molded industrial quality technical glass.  The company is known worldwide among the ...

  • Large volumes compressed into small volumes saves costs case study

    Vöhringer GmbH with its 120 staff and ultramodern machine park in Trochtelfingen each day processes up to 40,000 m2 of sheeting. This is mainly used for manufacturing specialist furniture parts up to complete furniture sets – especially for caravans and mobile homes but also for exhibition stand construction, for doors and the furniture industry. Chippings and dust accumulating during ...


    By WEIMA

  • Struvite screw presses removal trial case study

    Based on the lab supervisor’s recommendation, the plant ordered two 55 gallon drums of JS 9325 for a plant trial on the screw press. They set up a spray system to meter JS 9325 on the outer surface of the screw press. During the first five (5) days of the struvite removal trial, plant operations noticed that the openings on the screens were getting cleaner. They reduced the cleaning cycle ...


    By Struvite Removal

  • Struvite and Vivianite Screw Presses and Heat Exchanger Removal case study

    A regional wastewater treatment plant in Sonoma County was experiencing problems with struvite on their screw presses and vivianite on their heat exchangers. The design plant flow rate is 7.9 mg/day. They were using 7 mg/L to 10 mg/L (dry basis) of ferric chloride to control hydrogen sulfide and improve solids removal in the primary clarifier. The plant maintenance staff was forced to shut down ...


    By Struvite Removal

  • Vivianite Heat Exchanger removal trial case study

    On the vivianite-laden heat exchangers, the maintenance supervisor created a recirculation circuit and diluted JS 9325 to a fifty percent (50%) solution. They recirculated the diluted solution for 48 hours while raising the temperature of the solution to 110F. Upon opening the first heat exchanger, they observed a purple solution following by a half-inch (½”) sheet of vivianite ...


    By Struvite Removal

  • Pulp & Paper Industry: PTA Repair and Rebuild of Screw Press

    Eutectic Canada recently completed the manual PTA finishing of a stainless steel feed screw for a large OEM supplier of these parts. The screw is used to compress the pulp and separate liquids from solids by expelling the liquids through a screen that surrounds the compression screw. Due to the high pressure, the friction wore the carrying face and the body of the screw. The customer ...


    By Castolin Eutectic

  • Black river cheese case study

    Description A Wastewater Treatment solution was implemented at the Black River Cheese Company in Milford, Ontario to deal with their wash water. This Case Study explains the problem and innovative solution that was implemented.   Customer Profile The historic Black River Cheese Company (“BRC”) is located in picturesque Prince ...

  • Struvite Removal & Vivianite Removal Case Study- Heat Exchanger and Screw Press

    A regional wastewater treatment plant in Sonoma County was experiencing problems with struvite on their screw presses and vivianite on their heat exchangers.The plant maintenance staff was forced to shut down the dewatering process every three (3) weeks to clean because of struvite deposits on the screen of the screw press. They also noticed that they were having a difficult time maintaining ...


    By Struvite Removal

  • Geotube Container Keeps Pulp & Paper Mill Running - SCA Tissue Paper, Cherokee, Alabama - Case Study

    TenCate develops and produces materials that function to increase performance, reduce costs, and deliver measurable results by working with our customers to provide advanced solutions. THE CHALLENGE SCA Tissue's Cherokee Alabama, USA, waste water treatment system has minimal sludge storage, about six hours, with all sludge going directly to a dewatering table, followed by a ...

  • Separation tank / Floating tank for separation of different kinds of plastic

    The NEUE HERBOLD – Separation Tank Type TB is used for separation of  plastics with various densities, primarily for film flakes, granulate from  PET bottles and other rigid types of plastics. Depending on the application, floating particles like film falkes or sinking particles like PET bottle flakes are separated from other high density plastics. The standard separation tanks ...

  • BCTMP Mill effluent treatment plant

    Location: Slave Lake, Alberta Owner: Slave Lake Pulp Corporation Description: A greenfield 130,000 ADMT BCTMP mill using Aspen as wood furnish. The high strength effluent, with a BOD5 strength of up to 6,000 mg/L (35 t/d) and flow of 6,300 m3/d, is treated by a five day extended aeration activated sludge process. This represented the first ...


    By NovaTec Consultants Inc.

  • Wastewater Treatment Plant Town of Guilderland, NY

    The Town of Guilderland has been dependably served by a 1.5 meter BDP belt press since its installation in 1983. In 2004, the Town decided that an upgrade was necessary, and chose BDP due to their service and equipment reliability. The Town of Guilderland installed a 2.0 meter 3DPTM, and immediately experienced dryer cakes with higher throughput resulting in lower disposal costs. The 3DPTM was ...


    By BDP Industries

  • 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

  • Separating paint leftovers from buckets

    By separating paint from the buckets and compress the emballage, the waste handling company saves money on both transport and disposal. VEGLO MILJØSERVICE AS collects and processes hazardous waste from companies over a wide geographic area in central Norway, including cans and buckets of paint leftovers, around 300 tons p.a. which have to be emptied and compacted. For this ...


    By RUNI A/S

  • Dewatered waste is disposed at lower cost

    By compacting and dewatering  reject, a paper recycling company avoid having to transport water for no useful purpose. SKJERN PAPIR A/S in Denmark produces 54,000 tons of liner and cardboard from recycled paper annually. In the initial sorting, the paper material is separated out from large, insoluble materials such as plastic, staples and other unwanted elements using a pulper. The ...


    By RUNI A/S

  • Separating paint leftovers from buckets

    By separating paint from the buckets and compress the emballage, the waste handling company saves money on both transport and disposal. VEGLO MILJØSERVICE AS collects and processes hazardous waste from companies over a wide geographic area in central Norway, including cans and buckets of paint leftovers, around 300 tons p.a. which have to be emptied and compacted. For this ...


    By RUNI A/S

  • You can dewater your cake and pump it too! Conveyance options for OCSD Plant 1

    OCSD is currently upgrading Reclamation Plant 1 to co-thicken primary and waste activated solids using centrifuges. Digested solids will also be dewatered using centrifuges and the two processes will be housed in the same building. A small building footprint, stringent redundancy requirements, and a 200 foot distance between the dewatering and storage facilities requires innovative engineering ...

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