From waste to high value added products
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In Every-days life we produces tons of waste, by utilizing Solid-State Fermentation Technology, we will convert wastes to valuable products; In SSF technology Wastes will be act as substrate.
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This document discusses different types of fermentation processes used in industrial fermentation. It describes three main types: continuous fermentation, batch fermentation, and fed-batch fermentation. Continuous fermentation involves continuously removing and replacing culture medium to keep the volume constant and microbes in exponential growth. Batch fermentation is a closed system where nothing is added or removed until harvesting. Fed-batch fermentation periodically adds substrates to prolong the growth phase without removing cells. The document provides details on the characteristics, advantages, and disadvantages of each fermentation method.
Ferementation
This document discusses fermentation and the fermentation process. It defines fermentation as the process of growing microorganisms in a nutrient medium while maintaining physical and chemical conditions to convert the nutrients into a desired product. It describes different types of fermenters used including submerged and surface fermenters. Key factors for fermentation are also outlined such as pure culture, sterilized medium, inoculum development, production fermenter, and equipment for processes like medium drawing, cell separation, product collection and purification.
Fermentation technology
Fermentation technology involves growing microorganisms in a nutrient media to convert feedstock into desired end products. It is used on an industrial scale to produce foods, pharmaceuticals, and alcoholic beverages. The basic principle is that organisms are cultured under suitable conditions by providing nutrients like carbon, nitrogen, salts, and vitamins. As the microorganisms metabolize during their lifecycle, end products are released into the media that have commercial value. Common industrial fermentation products include ethanol, lactic acid, enzymes, antibiotics, vitamins, and more, produced using organisms like yeasts, bacteria, and fungi. Fermenters must maintain optimal environmental conditions for growth and are designed to control factors such as temperature, agitation, aeration
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With the increasing urban population in Kenya, which is estimated to be growing at a rate higher than that of the country’s general population, waste generation and management is already a major challenge. The industrialization and urbanization process in the country, dominated by one major city – Nairobi, which has around four times the population of the next largest urban centre (Mombasa) – has witnessed an exponential increase in the generation of solid waste. It is projected that by 2030, about 50 per cent of the Kenyan population will be urban.
Aim:
A healthy, safe, secure and sustainable solid waste management system fit for a world – class city.
Improve and protect the public health of Nairobi residents and visitors.
Ecological health, diversity and productivity and maximize resource recovery through the participatory approach.
Goals:
Build awareness and capacity for source separation as essential components of sustainable waste management.
Build new environmentally sound infrastructure and systems for safe disposal of residual waste and replacing current dumpsites which should be commissioned.
Current solid waste management situation:
The status.
Solid waste generation rate is at 2240 tones / day
collection efficiently is at about 50%.
Actors i.e. city authorities, CBO’s , private firms and self-disposal
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Solid waste generation – collection – dumping
Good Practices:
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• Open dumpsite dandora dump site through public education on source separation of waste, of which the situation can be reversed.
• Nairobi is one of the C40 cities in this respect , various actors in the solid waste management space have adopted a variety of technologies to reduce short lived climate pollutants including source separation , recycling , marketing of the recycled products.
• Through the network, it should expect to benefit from expertise of the different actors in the network in terms of applicable technologies and practices in reducing the short-lived climate pollutants.
Good practices:
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CHALLENGES:
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一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
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From waste to high value added products
- 1. FROM WASTE TO HIGH VALUE ADDED PRODUCTS: NOVEL ASPECTS OF SSF IN THE PRODUCTION OF ENZYMES Presented By- Subhadeep Aditya Department of Biotechnology
- 2. What Is SSF • Solid state fermentation is a process occurs in the absence of water, has been used for the production of various high value added products such as enzymes and other organic component. • SSF is Responsible for production of lipase, protease, cellulase, pectinase, insulinase etc • In this solid state fermentation process the substates are the waste materials, this wastes are basically nutrients for the microorganisms, responsible for the fermentation.
- 3. Main Materials • In SSF we basically use fungi but depending upon the final products various microorganism are used. • SSF used mainly waste materials mainly from agriculture & food industry, such as wheat bran & peels of fruits and vegetables
- 4. Advantage of SSF Factors SSF Substrate Wastes- non cost Inoculum Not necessary Aseptic condition Not needed Contamination Less chance Enzyme Yield Very high Downstream process Easy, Cheap, not time consuming Cost Very low
- 5. Type of waste materials used in SSF process for production of Enzymes Category of waste Type of waste Microorganism Enzymes Waste of animal origin Fish flour Chicken feather Cow dung Tannery solid waste Aspergillus niger Bacillus subtilis Halomonas sp. Synerggistes sp. Protease Wastes of Plant origin And Food Industry Wheat waste Oil Waste Rice Waste Soy waste Rhizopus oryzae Apergillus sp. Aspergillus niger Aspergillus Spp. Aspergillus funigatus Bacillus pumilus Aspergillus niger Aspergillus oryzae Lipase Cellulase, Xylanase Lipase, Amylase Cellulase Cellulase Xylanase Lipase Celluase, Xylanase
- 6. Conclusion • Recycle of these wastes, which are very cheap & highly available in large amounts shows a high benefit of SSF from Economic & Environmental perspective.
- 7. Thank You