US4082671A Sludge thickening apparatus Google Patents
The following disclosure teaches means for thickening primary and secondary sewage sludge. The disclosed apparatus comprises a tank having upper and lower feedwells disposed therein. Primary sludge is introduced into the lower feedwell and flows into the lower part of the tank to thicken therein. Secondary sludge is aerated under super atmospheric pressure and introduced into the upper
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Sludge thickening apparatus (Patent) OSTI.GOV
The U.S. Department of Energy's Office of Scientific and Technical Information
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US4259185A Sludge thickening apparatus Google Patents
Sludge thickening apparatus comprising a vertical tank including sludge inlet and outlet pipes, and a discharge pipe weir; a vertical hopper within the tank having walls which diverge outwardly from a hopper bottom toward a top opening wherein the weir has openings communicating with the hopper interior; a cover plate closing the top opening and having a raised central portion with an opening
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Sludge thickening apparatus MIXON; JAMES A.
Sludge thickening apparatus comprising a vertical tank including sludge inlet and outlet pipes, and a discharge pipe weir; a vertical hopper within the tank having walls which diverge outwardly from a hopper bottom toward a top opening wherein the weir has openings communicating with the hopper interior; a cover plate closing the top opening and having a raised central portion with an opening
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Apparatus for sludge thickening Hitachi, Ltd.
An apparatus for sludge thickening as claimed in claim 1, wherein said sludge aerator means is adapted to disperse to the atmosphere gases contained in gas bubbles generated by the sludge and gas contained in the sludge by anaerobic decomposition thereby avoiding a floating or the thickened sludge in the sludge thickener means.
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HUBER Solutions for Sludge Thickening Huber Technology Inc.
HUBER Solutions for Sludge Thickening. Thickening is the first step for reducing the sludge volume by removal of free sludge water. Thin sludge is concentrated to thick sludge. Thick sludge has a higher viscosity, but must still be pumpable. Sludge settles in gravity thickeners and is compressed by the weight of its own solids.
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sludge thickening Equipment Environmental XPRT
EUROPELEC Thickener. Utilisation: The purpose of the centrally driven thickener is to thicken the sludge coming from urban or industrial water treatment plants as much as possible. It is used in small or medium installations. The equipment fitted to the thickener is
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Sludge Thickening Equipment Screw Press Sludge
Sludge dewatering machine working and opera Sludge dewatering machine can be widely used in municipal wastewater treatment projects as well as water treatment systems in petrochemical, light industry, chemical fiber, paper, pharmaceutical, leather and other industrial industries.
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Sludge Thickening and Dewatering Equipment Aquatreat
The Screw Thickener can help your business to achieve sludge to at least 4%-8% DS (dry solids), or alternatively select the dewatering version to increase low concentration sludge to 15%-35% DS in a single step. Contact us for more information on our sludge thickening equipment now.
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WasteWater System: Sludge Thickening Equipment (Options
Mechanical type sludge thickening equipment uses physical process to concentrate the sludge by removing the water portion thus leading to increased amount of the solid percentage. There are different methods to achieve this and generally taking out the average of all the available options, usually the sludge
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HUBER Solutions for Sludge Thickening Huber Technology Inc.
HUBER Solutions for Sludge Thickening. Thickening is the first step for reducing the sludge volume by removal of free sludge water. Thin sludge is concentrated to thick sludge. Thick sludge has a higher viscosity, but must still be pumpable. Sludge settles in gravity thickeners and is compressed by the weight of its own solids.
get price
sludge thickening Equipment Environmental XPRT
EUROPELEC Thickener. Utilisation: The purpose of the centrally driven thickener is to thicken the sludge coming from urban or industrial water treatment plants as much as possible. It is used in small or medium installations. The equipment fitted to the thickener is
get price
Sludge Thickening an overview ScienceDirect Topics
X.A Thickening. The primary objective of sludge thickening is to concentrate the solids, thus reducing the volume of sludge. Thickeners may increase the solids concentration by a factor of 2 to 5 and produce a clarified liquid effluent. Thickening is accomplished by either gravity or dissolved-air flotation.
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CHAPTER 3 SLUDGE THICKENING Marmara
Sludge Thickening vs. Dewatering Both are methods of solids concentration and volume reduction. Only the degree of volume reduction is different. Generally thickeners concentrate sludge at lower than 15% concentration, the dewatering units concentrate the sludge to higher than 15% concentration [3].
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Sludge Thickening HUBER SE
All HUBER thickening systems guarantee an adjustable final solids content and meet the highest separation requirements. With regard to the economical further treatment and disposal of sewage sludge, it is necessary to reduce the sludge volumes produced within the course of the wastewater treatment process.
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Perfect sludge thickening tank equipment For Pure Quality
Access efficient sludge thickening tank equipment with reverse osmosis for purified drinking water at Alibaba. These sludge thickening tank equipment are
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Alfa Laval Sludge dewatering and thickening
The liquid content of sludge from municipal water / wastewater and industrial wastewater treatment has a high impact on treatment and disposal costs. Alfa Laval supplies a variety of thickening and dewatering technology options, as well as advanced control systems, that are designed for optimizing plant performance and reducing total cost of ownership and maintenance.
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Biosolids, Sewage Sludge, Sludge Thickener • Langley
Centrifugal thickening and dewatering of sewage sludge and biosolids is a process that uses the power of centrifugal force to separate wastewater solids from liquid. Thickening before digestion or dewatering reduces the tankage needed for digestion and storage by removing water. Dewatering removes more water and produces a drier material
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Sludge Monitoring (Monitoring and Testing) Equipment
The 10K In-line Muffin Monster is the perfect fit for many smaller wastewater sludge processing systems. Packed with power, this sludge grinder converts the 2, 3 or 5 hp (1.5, 2.2 or 4 kW) motor into a cutting force ready to keep sewage and sludge flowing through progressive cavity pumps, valves, centrifuges and heat exchangers.
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Sludge dewatering ANDRITZ
The ANDRITZ TD, a rotary screen thickener, is an excellent alternative to gravity belt thickeners for continuous dewatering of sludge thanks to its small space requirement. Due to the efficient and reliable thickening process and the high hydraulic capacity, the TD can remove up to 90% of the water in the sludge.
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Monster Drum Sludge Thickener for Sludge Wastewater Treatment
The Monster Drum Sludge Thickener offers best in class performance for sludge wastewater treatment. This sludge dewatering equipment is designed for achieving 5-12% solids depending on the type of sludge. This sludge thickener is optimized to deliver minimum operating costs
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Alfa Laval Sludge treatment, dewatering and thickening
Alfa Laval supplies wastewater treatment equipment that cover the entire sludge treatment process, including sludge dewatering, sludge thickening, heating, cooling, heat recovery, digestion and pasteurization, as well as advanced control systems for optimizing dewatering and reducing manpower requirements, whilst reducing sewage disposal costs by effectively decreasing the liquid content of
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Sludge Thickening Sewage Treatment Reverse Osmosis
This means that with an original sludge of two percent, about four-fifths of the water has been removed, and one of the objectives in sludge treatment has been attained. A gravity thickener is similar to a conventional sedimentation tank in design, but has a more steep floor slope. Tanks range from 6 20 m dia & side water depth (SWD) may
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Sludge Thickening Huber Technology Inc.
All HUBER thickening systems guarantee an adjustable final solids content and meet the highest separation requirements. With regard to the economical further treatment and disposal of sewage sludge, it is necessary to reduce the sludge volumes produced within the course of the wastewater treatment process.
get price
Sludge Thickening an overview ScienceDirect Topics
X.A Thickening. The primary objective of sludge thickening is to concentrate the solids, thus reducing the volume of sludge. Thickeners may increase the solids concentration by a factor of 2 to 5 and produce a clarified liquid effluent. Thickening is accomplished by either gravity or dissolved-air flotation.
get price
Sludge Thickening HUBER SE
All HUBER thickening systems guarantee an adjustable final solids content and meet the highest separation requirements. With regard to the economical further treatment and disposal of sewage sludge, it is necessary to reduce the sludge volumes produced within the course of the wastewater treatment process.
get price
Alfa Laval Sludge treatment, dewatering and thickening
Alfa Laval supplies wastewater treatment equipment that cover the entire sludge treatment process, including sludge dewatering, sludge thickening, heating, cooling, heat recovery, digestion and pasteurization, as well as advanced control systems for optimizing dewatering and reducing manpower requirements, whilst reducing sewage disposal costs by effectively decreasing the liquid content of
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Sludge thickening dewatering process of various sludge
Aug 13, 2019 Sludge thickening dewatering process of various sludge types. August.13,2019. STP typically requires sludge dewatering prior to final disposal of sludge/biosolids, or as a prelude to further processing or stabilization. Since the dewatering process has significant differences in reducing the moisture content of the sludge, the final sludge treatment method usually has a significant impact on
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Membrane Thickener Ovivo
Ovivo's membrane thickeners utilize technology capable of thickening solids up to 4% without the use of any chemicals, resulting in lower material costs, lower hauling costs and a smaller carbon footprint. Our thickeners come complete with the necessary controls, blowers and pumps, making it a single source solution for your sludge thickening
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Biosolids, Sewage Sludge, Sludge Thickener • Langley
Centrifugal thickening and dewatering of sewage sludge and biosolids is a process that uses the power of centrifugal force to separate wastewater solids from liquid. Thickening before digestion or dewatering reduces the tankage needed for digestion and storage by removing water. Dewatering removes more water and produces a drier material
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Thickening and Dewatering WEF Home
thickened include primary sludge and waste activated sludge (WAS). What equipment is used for thickening? • Gravity thickeners (or primary clarifiers if used for in-tank thickening) • Dissolved air flotation thickeners • Gravity belt thickeners • Centrifuge thickeners • Rotary drum/screw thickeners • Membrane thickeners
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GRAVITY THICKENING OF ACTIVATED SLUDGE
gravity thickening of sludge to activated sludge, and to compare results with those obtained by Kos [10] for water treatment sludge. 2) to develop curves for the evaluation of thickening of activated sludge. 3) to show the effect that temperature has on the per-formance of a continuous gravity thickener and secondary Sedimentation basins.
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Design Guidelines For Sewage Works: Sludge thickening and
Mar 29, 2019 As with thickening systems, dewatering facilities may require sludge pretreatment in the form of sludge grinding to avoid plugging pumps and lines and plugging or damaging dewatering equipment. Also, adequate ventilation equipment and odour control will be required in buildings housing dewatering equipment, meeting all applicable codes.
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Sludge Thickening, Screening and Dewatering
Sludge Screening, Thickening and Dewatering. VoR Environmental offers several technologies for screening, thickening and dewatering sludge. A variety of equipment is available to address the varying characteristics between industrial sludges, municipal primary sludges, biological sludges and
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Sludge Mixers / Thickeners Buyers Guide WEF Buyers Guide
BDP Industries Manufacturer of Dewatering, Thickening and Compost Equipment. BDP Industries has been in business for over 37 years with over 1,000 belt press installations, in all 50 states, Canada, Mexico, Australia, China and Chile in Municipal, Minerals, Pulp and
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Water Clarification System Sludge Removal Kurita America
The clarifiers combine mixing, coagulation, clarification and sludge removal, and can be constructed for steel or concrete basins. Solids Processing Complete the clarifier system with solids handling equipment including storage tanks, gravity sludge thickeners, filter presses, pumping systems and other equipment to dewater collected solids.
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High efficiency sludge thickening and dewatering process
Oct 29, 2019 High efficiency sludge thickening and dewatering process. Thickening is a necessary part of mineral processing, and the thickener is core equipment for concentrated processing is widely used in the mineral processing and sludge dewatering industry. At present, the thickener for concentrate and tailings concentration in China basically adopts an
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