sludge dewatering plant Articles

  • Blackburn Meadows wastewater treatment works

    Blackburn Meadows wastewater treatment works is situated in Sheffield, the fourth largest city in England, in the county of South Yorkshire. This treatment plant has a fluidised bed incinerator in order to treat and dispose of the sludge. This paper gives a brief overview of the various stages and processes involved in effluent treatment at Blackburn Meadows and assesses the sludge disposal ...


    By Inderscience Publishers

  • Metropolitan Sewer District (MSD), Cincinnati, Ohio U.S.A.: HTFB System

    The Metropolitan Sewer District (MSD) of Greater Cincinnati, Ohio is a 90 mgd primary treatment, 55 mgd activated sludge treatment plant. Solids processing includes gravity thickening of primary sludge, dissolved air flotation, thickening of secondary sludge, holding tank storage, belt filter press dewatering and pumping of cake to the old outdated multiple hearth ...

  • Xiaohongmen WWTP south-east Beijing

    The second biggest sewage treatment plant in Beijing Capacity of plant Wastewater Treatment Plant: 600,000 m³/d Sludge production: volume of 60,000 m³/d DEWACO delivered a complete sludge dewatering solution consisting of: 8 nos. Belt Filter Press type NPD31L, 3,1m belt width, along with peripheral equipment. Project ...


    By Dewaco OY

  • Škvorec WWTP in Czech Republic - Case Study

    Client's voice Since we had installed VOLUTE Dewatering Press in our waste water treatment plant I realized how much time we were wasting using dewatering bags. VOLUTE doesn´t need my presence and works fully automatically. I don´t sometimes even know that there is a dewatering unit in operation. Dewatering Data Sludge Type: Waste ...


    By AMCON Inc.

  • "The maintenance works now became much easier." (US)

    This sewage treatment plant had always faced problems with the belt press which had been installed. The end-user had not only had problems with high cost for water consumption but also had maintenance issues arising out of frequently caused clogging problems. Moreover, since this plant mixes sludge cake with wood chips for composting, there had also been an issue concerning the dryness of sludge ...


    By AMCON Inc.

  • Rural community sewerage case study

    Succeeded in "zero-emission" of sludge Previously, sludge was vacuumed out in this treatment plant without being dewatered; however, the cost for sludge treatment was huge. Thus, aiming at "zero-emission" of sludge, fermentation of the sludge was being considered. AMCON's offer for a solution They introduced Dell Compo, which can treat sludge ...


    By AMCON Inc.

  • Pacific place contaminated groundwater treatment facility

    Location: Vancouver, B.C. Owner: B.C. Ministry of Environment, Lands and Parks Description: This $1.5 million facility is capable of treating 135 L/min of contaminated groundwater, removing primarily BTEX and PAH. Through aeration, pH adjustment, and polymer addition, flocculation and settling, the majority of the contaminants are removed. ...


    By NovaTec Consultants Inc.

  • Septic Tank for Commercial Building (Ukraine (2))

    As for this septic tank, thickened sludge had been pumped to a tanker truck for disposal 2-3 times a month. However, there had been longstanding concerns confronted by the end user. Their concerns were not only the high sludge disposal cost but also the odor which comes along with the presence of a tanker truck. They had looked for a suitable sludge dewatering unit for small-scale wastewater ...


    By AMCON Inc.

  • Waterschapsbedrijf Limburg (WBL) - case study

    Along with WBL Sustec has tested and lab researched  the continuous thermal hydrolysis of the surplusslib of the wastewater treatment plants Hoensbroek and Venlo. On this basis is determined the most optimal hydrolysis method. Then for nine months on pilot scale tests were carried out to the thermal hydrolysis and fermentation of the surplusslib. The tests confirmed that by thermal ...

  • Nitrogen removal in tertiary wastewater treatment plant of a chemical complex

    A Biochemical Contact Oxidation Film (BCOF) technique was piloted for the treatment of a secondary effluent of the Jilin Chemical Industry Corporation (JCIC). The original pulse contact flocculation clarifier used for the tertiary treatment was not performing to the discharge standards. Results show that NH3-N concentration was decreased from 30 mg/L to 15 mg/L, COD concentration was decreased ...


    By Inderscience Publishers

  • Phyto-dewatering of sewage sludge using Panicum repens L.

    Experiments in the field environment have been conducted to study the growth of Panicum repens L., an aquatic plant, in the sewage sludge matrix. The experiments were also carried out to investigate the ability of this plant to dewater sewage sludge to increase the capacity of conventional drying beds. In addition, the ability of Panicum repens L. to reduce the sludge ...


    By IWA Publishing

  • Determination of odorous VOCs and the risk of occupational exposure to airborne compounds at the waste water treatment plants

    Concentrations of non methane-VOCs and risk levels of employees’ exposure to VOCs were determined at two Finnish waste water treatment plants. The concentration of hydrogen sulphide (H2S) reached the Finnish OEL (occupational exposure limit). The concentrations of styrene, 1,2-dichloroethane, and toluene were found to be elevated at plant A. 328.4 μg/m3 of styrene and 709.8 μg/m3 toluene was ...


    By IWA Publishing

  • Xiaoshan textile plant, Hangzhou - Zhejiang

    Jiangsu Sainty Shengtong Imp.&Exp.Co.,Ltd. is a specialty manufacturer of working gloves. With more than ten years of experience in the textile industry and with 50,000 gloves produced a month, the company needed a sludge management solution that would work for the them at the time and also scale well as production increased. DEWACO delivered a complete sludge dewatering solution comprising ...


    By Dewaco OY

  • A glue manufacturing plant in Malaysia case study

    Minimizing water consumption and health problems at the same time!! A glue manufacturing plant in Malaysia had a belt press, but they had always faced clogging problems because of the sticky characteristics of sludge dewatered. For its operation and maintenance, they needed to use a great amount of water, as much as 36 m3/day. Furthermore, high-pressure water cleaning generated loud ...


    By AMCON Inc.

  • BENDERN, Liechtenstein: INNODRY 2E®–Sludge treatment and disposal

    Back in 1997, Bendern (Liechtenstein) was looking for a safe technology for sludge treatment and disposal. Since the main concern of the municipality was the protection of the environment and operator safety, they were looking for an innovative technology which did not produce dangerous levels of dust. After a long and detailed evaluation of the available technologies, INNODRY 2E was selected. ...

  • Effect of daylight on regrowth of bacteria in anaerobically digested sludge

    This study investigated the regrowth of total coliform, Salmonella, and Clostridium perfringens in anaerobically digested sludge after centrifuge dewatering in the presence and absence of daylight. Sludge cake and centrate samples were collected from a treatment plant, and half of the samples was stored in daylight and the other half was stored in dark for three weeks. The ...


    By IWA Publishing

  • Major meat-process plant in Canada case study

    In the meat-process plant in Canada managed by a world's leading meat-process plant, huge amount of sludge disposal cost had been a longstanding problem. In production process, approximately 96m3 sludge had been generated a day, and the sludge had been disposed by a waste disposal firm. This sludge disposal cost had reached as much as 93.6 million yen a year. The existing belt press had produced ...


    By AMCON Inc.

  • Minimizing water consumption and health problems at the same time!! (Malaysia)

    PROBLEM A glue manufacturing plant in Malaysia had a belt press, but they had always faced clogging problems because of the sticky characteristics of sludge dewatered. For its operation and maintenance, they needed to use a great amount of water, as much as 36 m3/day. Furthermore, high-pressure water cleaning generated loud noises and the ...


    By AMCON Inc.

  • Enhanced stabilisation of sewage sludge through thermal hydrolysis – three years of experience with full scale plant

    ABSTRACT The first full-scale plant for sludge disintegration through Cambi thermal hydrolysis was started up in Hamar, Norway at the end of 1995. It is the first plant with a new design where sludge is directly heated by live steam. During the last 3 years the plant worked with an availability of over 99 %. Prior to hydrolysis the sludge is dewatered and the digester is fed with 10-12 % DS, ...


    By Cambi Group AS

  • Cambi – the digester `turbo charger`

    ABSTRACT A new patented process design has re-invented thermal hydrolysis in sludge treatment. The first plant from Cambi for hydrolysis of sewage sludge was built in 1995 at the HIAS WwTP, Hamar, Norway for a design capacity of 3500 Mg DS/year. The sludge is directly heated by injection of live steam. During internal recycling of steam a low energy consumption is secured. Predewatering raw ...


    By Cambi Group AS

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