In Pakistan, it is expected that 80% of people lost their lives due to heart attack, lung cancer and stroke caused by hazardous air pollution, according to United Nations Environment Programme indoor and outdoor air pollution kills around 7,000,000 people every year. The climate index of Karachi and
Design and Development of Smart Low Cost Sanitization and Disinfection Device
In Pakistan, it is expected that 80% of people lost their lives due to heart attack, lung cancer and stroke caused by hazardous air pollution, according to United Nations Environment Programme indoor and outdoor air pollution kills around 7,000,000 people every year. The climate index of Karachi and Lahore are also in the top 5 cities having the worst Air Quality Index (AQI) of 500 or more termed as deadly air. Air pollution is now a global public health emergency.
On the other hand, every year many frontline healthcare workers and doctors lost their precious lives in the treatment of viral infected patients, as they are mainly dependent on local sanitizers for their sanitizing needs, but these sanitizers can only clean hands not clothes, rooms, and any other surfaces, sanitizers mainly include a high quantity of alcohol compounds which are dangerous and sometimes causes burns on the skin, they are costly, contain less amount and causes several other health problems. There is a dire need to solve these problems by using smart and innovative emerging technologies.
Our project is to develop the world first 3D printed filterless sanitization and disinfection device, that can deactivate viruses, bacteria, mold, smoke, PM 2.5, PM 10, and other harmful microorganisms as small as 0.07 microns in diameter in a couple of seconds present on any surfaces and in the air. The technology generates free hydroxyl radicals that can kill the smallest harmful microorganisms, hydroxyl radicals are also proven in various research from Thailand and China to deactivate viruses and bacteria using other inefficient methods. The technology has no kind of negative impact on human health, The device will have the potential to purify the air and sanitizes any surfaces and clothes frequently. Our innovative project is to also make it a filterless and chemical disinfectant free smart technology, which does not require and depend on any chemical substance as input and does not need maintenance after use. The sanitization and purification technology can cover a large sanitization area of about 200-250 meters (m2). The device will be easy to operate, portable, occupies a very small area, and will offer plug and play option.
The technology helps fight climate change, reducing Carbon dioxide (CO2) emission, and cleaning the indoor and outdoor pollutants providing hassle free solution to air pollution at the most affordable rate.
The team members hold many national and international training certifications in semiconductors, electronics, and 3D Printing technology and are very passionate to build this innovation for the betterment of the community in Pakistan.
1. To introduce the world's first 3D printed and electronics based filterless smart sanitization and disinfection device.
2. To design and develop maintenance and chemical free technology that will be portable and affordable to everyone.
3. To eliminate the use of hazardous chemicals sprays and disinfectants used for disinfection purposes that have serious negative health results for human beings.
4. To save the lives of millions of Pakistanis from heart and lung diseases mainly caused by air pollution.
5. To help healthcare facilities in disinfection of air and surfaces of environment that ultimately reduced 90% cost of sanitization in healthcare facilities.
6. To provide a simple, clean affordable solution to home, offices, research laboratory, and hospitals to take easy and early actions in the prevention of deadly viruses, bacteria, and allergens.
We will use Agile methodology in project development and team engagement to complete our project before the deadline in a smooth, easier, cost effective process, that helps achieve more accuracy.
We will use Agile Scrum development methodology which is proven as one of the best practices for hardware/software product development in which we,
1. Define short milestones and strategies to complete project activities.
2. Divide the whole project into small chunks and set weekly sprints for the team.
3. Prioritize project tasks according to importance and relevance.
4. Divide tasks among the team according to specializations and set monthly sprints.
5. Monitoring, feedback, and reviewing of tasks with feedback from the team and supervisor.
Project hardware development activities will be mainly conducted at the Electronic and Semiconductors Laboratory of the university.
Virtual meetings on Zoom software will be conducted weekly mainly with the project supervisor and team members for project updates.
Jira team meeting software will also be used for team collaboration, project activities task distribution, updates, and for feedback on each activity throughout the project.
1. It will help to save life and health of millions of people in Pakistan from heart and lung diseases mainly caused by air pollution.
2. It can effectively kill bacteria, viruses, PM2.5, PM10, and other microorganisms as small as 0.07 microns in diameter in a couple of seconds.
3. It does not require any chemical substance or disinfectant as an input to start disinfection.
4. It offers a plug and play option and provides 24 hours of operation at a very low cost of electricity.
5. It provides a noise free operation with no smell during and after operation.
6. The technology can be made in any size to cover larger areas of even 500 meters in radius.
7. It is a low cost, affordable, easy to use life saving technology to fight viruses and many illnesses related to human beings.
The technology working principle will be based on electrical and thermodynamics heat transfers concepts and laws. The device will have dual sanitization, disinfection, and purification of air and surfaces options,
1. The device takes the polluted air from the surrounding using DC fans and passes it in a filtering and purification chamber where the air purifies, it then sends back the clean air to the environment.
2. It generates hydroxyl radicals to deactivates the smallest harmful microorganisms in the air and on the surfaces of everything.
Our intended technology also comprised of two parts,
1. Electronics Hardware Development:
Electronics Hardware Development is one of the major parts of the overall project, the hardware will be made by using a combination of several different electronic components having different specifications mainly include capacitors, resistors, diodes, heating, and cooling modules, wires, and DC fans all are linked together by the innovative approach and smart electronics schematics design that will help us to achieve 99% accuracy and efficiency.
The device will need AC 220 – 240 volts with 0.3 – 0.4 ampere current but it can also be run on DC 12 volts with 0.3 amperes as an input, the technology will cover a large sanitization area of 100 meters (m2) with 750 CADR that will clean about 10,000 liters of air in a minute. The device will be portable and occupies a very small area of 59.4 x 84.1 x 100 cm. It will be very easy to operate and has offer plug and play option.
2. 3D Designing and Printing:
An innovative 3D Design will be created by using Fusion 360 designing software, several iterations will also be made to make it more attractive and finished product. The device enclosure will be completely 3D Printed using PLA material. 3D Printing will help us a lot in finalizing the design aspects of the device.
| Item Name | Type | No. of Units | Per Unit Cost (in Rs) | Total (in Rs) |
|---|---|---|---|---|
| Capacitor 100nF 275V | Equipment | 1000 | 10 | 10000 |
| Resistor 10M ohm | Equipment | 102 | 2 | 204 |
| Resistor Set | Equipment | 3 | 300 | 900 |
| Diode 1N4007 | Equipment | 1000 | 1 | 1000 |
| Solder Iron Set | Equipment | 1 | 2000 | 2000 |
| 3 Core 220v AC Lead | Equipment | 10 | 300 | 3000 |
| 24 AWG Wire 100 Meter | Equipment | 2 | 3000 | 6000 |
| Small DC Fan 12V 0.3 Amp | Equipment | 20 | 100 | 2000 |
| Switch Button | Equipment | 15 | 5 | 75 |
| Hookup Wire 1 Meter | Equipment | 16 | 10 | 160 |
| Buck Converter 12V to 220V | Equipment | 5 | 250 | 1250 |
| Buck Converter 220 V to 12VV | Equipment | 5 | 250 | 1250 |
| Capacitor 0.01uF/600V | Equipment | 300 | 10 | 3000 |
| Solder Paste | Equipment | 10 | 70 | 700 |
| 3D Printing PLA Resin | Equipment | 6 | 4500 | 27000 |
| Electrical Insulating Hand Gloves | Equipment | 2 | 2000 | 4000 |
| TEC Peltier Cooling Module | Equipment | 4 | 350 | 1400 |
| 12V PTC Heating Element | Equipment | 4 | 350 | 1400 |
| Aluminum Foil Thermal exhaust Tape | Equipment | 2 | 782 | 1564 |
| insulation Wire Stripper | Equipment | 1 | 2000 | 2000 |
| 100*150cm Pu Coated Waterproof Polyester Fabric | Equipment | 1 | 1000 | 1000 |
| Thesis File Printing and Compiling | Miscellaneous | 2 | 1500 | 3000 |
| Equipment Overhead | Miscellaneous | 1 | 7000 | 7000 |
| Total in (Rs) | 79903 |
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