uasb reactor design calculation pdf

Existing hybrid versions of UASB reactors. In general there are two ways to design an UASB reactor If input COD.


Pdf Treatment Of Distillery Wastewater In An Upflow Anaerobic Sludge Blanket Uasb Reactor

Thus extremely high SRT could be maintained irrespective of HRT.

. You can attempt to check out a single near your area. The design features of the UASB reactor design are presented below in Table 1. This paper was reviews overall UASB technology in Mirzapur India.

An UASB reactor consists of a tank where the feed wastewater flows upwards through a dense sludge bed with high anaerobic microbial activity. UASB REACTOR FS-BIO-009 Page 3 of 9 INDEX 1. In the experiments carried out with the UASB reactor the optimum HRT in terms of BOD 5 and COD removal was 6 h in which the organic load applied to the reactor was 220 kg.

Translate PDF Related Papers Performance evaluation of the pilot-scale static granular bed reactor SGBR for industrial wastewater treatment and biofilter treating septic tank effluent using recycled rubber particles Recommended Citation. UASB technology potential was shows in developing. The authors achieved the max-.

UASB reactor design and construction in past was shows quite different and the very first 5 MLD treatment capacities plant that were demonstrated and constructed at Kanpur India under the Ganga Action Plan in 80s. Calculation shows that in the prevailing conditions 1314 m3 of Methane gas per day could be collected as a byproduct which could be used either as a fuel or to produce approximately 125 kWh electricity. Types of reactors resulting in a range of composite reactors.

The reactor volume was 795 L and sludge from septic tank size 1mm was used as seed with an initial concentration of 166 g VSSL. Uasb Reactor Design Calculation Pdf. UASBAF Able to retain very high concentration of active biomass in the reactor.

Table 1 also summarizes the number of installations for eight types of industrial effluents including solid wastes and co-digestion. 42 Other parameters 421 COD charge per volume Measurements at UASB reactors in South-America indicate a relation between the. March 14th 2019 - Uasb reactor design calculation pdf Get file Genitourinary side effects have included retention to increase download speeds by up to 5 times resume and schedule downloads Free shipping to and from repair facility The plan was to.

The Up-flow Anaerobic Sludge Blanket UASB reactor is considered to be one of the most successful anaerobic systems capable of forming dense aggregates by auto immobilisation and consequently allowing high-rate reactor performance Kaluzhnyi et al 2006. Flow measurements should be part of continuous process control. UASB reactor efficiencies 35.

Some modifications are found in the literature and are presented in Table1. Upflow velocity and reactor height 34. Influent distribution system 36.

Load 5-20 kg CODm3-d COD removal efficiency. This project is devoted for the characterization of general parameters of domestic waste water collected from the campus of NIT Rourkela and study and design of an anaerobic treatment plant the Upflow Anaerobic Sludge Blanket reactor UASB. Been made to design an upflow anaerobic sludge blanket UASB type digester.

Uasb reactor design calculation pdf Conversely it doesnt signify that if you cant make your own nail artwork you are able to by no means have These sweet nailsWhat are Nail Salons for. The most noted modification in anaerobic reactor and mostly used in the world today is Up-flow Anaerobic Sludge Blanket UASB reactor. The temperature range which affects solid retention time and the flow fluctuations which affect the upflow velocity are also considered.

Volumetric hydraulic load and hydraulic retention time 32. With 793 plants it accounted for 645 of the total number of reactors Hulshoff Pol et al 1998. The UASB was designed to treat the fruit waste water anaerobically for biogas generation.

Upflow anaerobic sludge bed UASB reactors for the treatment of municipal sewage in Cali Colombia Lettinga et al. This Excel spreadsheet can be used to calculate the required UASB reactor volume and dimensions sludge production rate methane production rate and required alkalinity addition based on user input information on wastewater flow and characteristics. Upflow Anaerobic Sludge Blanket UASB reactors have been widely used for the treatment of industrial wastewater.

The UASB reactor was used to treat sugar industry waste wa-ter at varying loading rates of 05 16g CODL and operating - period 200 days. Development and modification on digester type is still ongoing till this day. Type of reactor design is UASB.

This table represents options where another reactor type is incorporated into the UASB itself but not a sequence of two consecutive reactors. An Upflow Anaerobic Sludge Blanket Reactor was. Its primary use is in the treatment of high concentration industrial.

Biological loading rate sludge loading rate 33. 1985 and Brazil Vieira and Souza 1986 there has been a rapid increase in the number of large scale municipal UASB sewage treatment plants STPs installed in sub-tropical countries. An example UASB design calculations spreadsheet is partially shown in the image below.

Organic charges per volume. 3 kg COD m d kg CODd 2 98 m s 0002 m 3 1020. The sludge bed occupies about half the volume of the reactor and consists of granules or highly sedimentable flocs.

A basic scheme of an UASB reactor is depicted in Figure 12. Applied Biochemistry and Biotechnology Vol. 5000 - 15000 mgl or more the design method should be used based on Organic Loading rate OLR If input COD 5000 mgl the design method should be calculated based on velocity.

The UASB model showed. UASB reactor was exposed to various HRTs including 10 8 6 4 and 2 h. They are necessary for the calculation of further process design and operational parameters eg.

2425 1990 L Digestion of Petrochemical Wastewater 581 Table 1 Characteristics of the Inocula Used for Seeding the UASB Reactors Reactor A Reactor B TSS glL 423 100 260 100 FSS glL 161 38 86 33 vss glL 262 62 174 67 SVI mLlg 332 866 Vmaxmlh 18 13 Bacterial countsa HMb. To design appropriate wastewater treatment plant and technologies. The discrepancies in the initial UASB plants were recorded and now a new breed of UASB reactor is available with respect to the design.

Reactor ASBR Anaerobic contact process Anaerobic filter AF Upflow anaerobic slugde Blanket UASB Fluidized bed Reactor Hybrid reactor. 18 ASHUTOSH SHARMA BTECH CHEMICAL ENGINEERING UASB Design calculation. Continuous Flow Stirred Tank Reactor CSTR is the common model of reactor used to treat various kind of wastewater.

Effluent from food industry with 336 plants was the most common followed.


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