Food industry uses a large amount of water for various food processing compared to other sectors. food industry requires a big chunk of water for plant operations, such as production, cleaning, sanitizing, cooling and materials transport, among others.
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2. Structural & Foundation Analysis
3. CPM & BIM
5. Construction Technology (Career Building Course)
7. Construction Project Management
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The treatment of contaminants in wastewater are highly dependent on the design and operations of wastewater treatment plants (WWTP). The membrane biological reactors (MBR) have proven to be effective for the treatment of industrial wastewaters over conventional wastewater treatment plants when treatment efficiency is an important consideration. The project will aim to analyze the effectiveness of membrane bioreactor technology as a modern tool to minimize the water pollution level caused by different types of food like a noodle, curd, infant food, and plants. The degree of treatment is determined by comparing the characteristics of influents present in the wastewater to the required effluent wastewater characteristics this comparison will be fruitful only after reviewing the treatment objectives. The contaminants of the wastewater are removed by different means. The individual methods are classified as physical, chemical and biological unit processes, although these operations and processes might occur in a variety of combinations in treatment systems, it has been found advantageous to study their scientific basis separately.
The wastewater generated is treated by membrane bioreactor before disposal. Membrane bioreactor (MBR) configuration exists in two forms: internal submerged and external substream. To simplify this, we will work on internal submerged-type membrane bioreactor. Generally, the wastewater discharged from domestic premises like residences, institutions, and commercial establishments is termed Sewage/Community wastewater. It comprises 99.9% water and 0.1% solids and is organic because it consists of carbon compounds like human waste, paper, vegetable matter etc. Besides community wastewater/sewage, there is industrial wastewater in the region. Many industrial wastes are also organic in composition and can be treated physio-chemically and/or by micro-organisms in the same way as sewage.
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Non-biodegradable compounds are discharged with the slurry or sludge instead of treated water. MBRs remove dissolved organics that can cause biological oxygen demand (BOD) and suspended materials in wastewater. MBRs replace sedimentation and tertiary filtration in conventional wastewater treatment systems by providing a barrier for the removing the suspended solids waste materials. The efficiencies of the MBR operating at HRTs of 6 and 8 hours were similar, so the hydraulic retention times (HRT) of 6 hours are generally chosen as the optimum time of the operation, Equalization is required for any system with variable flow rates. An equalization (EQ) tank is normally installed upstream of the biological tank. Equalization Transfer Pumps transfers wastewater from the equalization tank to the process tank. Equalization Aeration System is used to mix air for the equalization tank and ensure proper mixing and prevents settlement of solids. Screening System removes trash and non-biodegradable solids, such as hair, lint, grit, and plastics since they might damage the membranes if allowed to pass through them. An internally-fed screen with mesh or punched-hole openings less than or equal to 2 mm in diameter with no possibility of the bypass is used for optimal MBR operation. The process aeration blowers provide air for the biological tank and ensure that sufficient oxygen is available to maintain the biological processes in the tank. Sludge wasting is accomplished by periodically diverting mixed liquor from the recirculation return line, via manual control or by pulling directly from the bioreactor.
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