The dyeing industry both of business size and household size where the remaining water from the dyeing process is dumped into pipes and flows into natural water sources causing sewage problems. Therefore a column type wastewater treatment system has been developed by using a filtration system along with an adsorption system. The materials used to treat the wastewater from dyeing are gravel sand charcoal from wood and activated carbon from coconut shell. The study was conducted on the synthesis activated carbon from coconut shell using for color and molecules adsorption. The amount of activated carbon from coconut shell was varied at 200 400 600 and 800 g applying with filter media and other adsorption materials taking 1 hour to treat the wastewater from dyeing. The parameter using to measure water quality consisted of color value pH suspended solids conductivity turbidity value COD and TKN to indicate the water quality before and after treatment evaluating the efficiency of the wastewater treatment system. The best ratio that can treat the color is the formula containing 800 g of coconut shell activated carbon. It was able to treat the color equal to 5.94 SU or 99.43 percent compared to the wastewater before treatment.

An investigation into the development of souvenir product prototype from Hmong embroidered fabrics to improve seniors quality of life in Kalayaniwattana District Chiang Mai Province.The aim of this study was to 1) develop a souvenir product prototype made from Hmong ethnic embroidered fabrics in Kalayaniwattana District Chiang Mai Province. 2) To develop innovative manufacturing processes to increase skills for the seniors to minimize the embroidery time. 3) To study the satisfaction towards the prototype of souvenir products from Hmong embroidered fabrics in Kalayani Wattana District Chiang Mai Province by using a sample of 200 tourists. The data collection tool was satisfaction questionnaire on the development of a prototype of a souvenir product from Hmong ethnic embroidered fabrics to improve the seniors quality of life in Kalayaniwattana District Chiang Mai Province on the aspect of its utility beauty manufacturing process and 3 souvenir product prototypes namely type 1 childrens cloth type 2 ladies robes and type 3 bags by using a random questionnaire. The data analysis generated from percentage statistics arithmetic mean and standard deviation. The study results based on the research objectives revealed the outcome as followed.l) To develop a prototype of a souvenir product from Hmong ethnic embroidered fabrics from sample group of 25 people the study found that the draft design that was satisfied as a souvenir prototype was group 1 childrens cloth. The most satisfied model was draft design 1.2 (= 4.36) group 2 shirts. The most satisfied womens group was draft design 2.1 (= 4.28). As for group 3 the bag which was assessed with highest satisfaction was draft design 3.1 (= 4.40). 2) To develop innovations in manufacturing process to enhance skills for seniors to reduce the embroidery duration it revealed that the star pattern was the simplest embroidery pattern reflecting Hmong identity through embroidered fabrics by application of antique tones together with the method of mixed silk embroidery with embroidering patch into round pieces to reduce the process and to facilitate fast embroidery process. 3) To study the satisfaction towards the prototype of souvenir products from Hmong ethnic embroidered fabrics part 1 the results of the general data study of the respondents found that most of the respondents were female accounted for 63.5 percent aged between 26-30 years representing 33.5 percent most of them were married 56% most of them graduated with a bachelors degree accounted for 60 percent most of them were employed as general staff accounted for 31 percent with monthly income at 15001-20000 baht representing 35.5% most of them domiciled in other provinces accounted for 55.5%. Part 2 information about the behavior of purchasing souvenirs found that most of the respondents already knew Kalayani Vadhana District Chiang Mai Province from social media channels (Social Network) accounted for 89 percent most of them had bought and used Hmong embroidered products 81.5 percent most of respondents would recommend other people to visit again at 100 percent most of the respondents perceived the souvenir prototypes were interesting 99 percent. Part 3 the satisfaction towards design and development of souvenir products prototypes made from Hmong embroidered fabrics found that the souvenir product prototypes that received the most satisfaction were type 3 bags (x-= 4.56 S.D. = 0.59.) in total aspects received the highest level of satisfaction followed by type 1 childrens cloth (x- = 4.52 S.D. = 0.55) with the highest level of satisfaction in all aspects and type 2 womens cloth (x-). = 4.45 S.D. = 0.65). Globally all aspects were satisfied at a high level.

Garlic is an ancient food and medicinal plant that has been used for centuries. The research team was interested in creating a garlic oil extract that could help reduce microbial contamination in the air during the prolonged period of the COVID-19 situation. A prototype sugarcane leaf paper filter was treated with garlic oil extract to improve its air purification properties and to reduce the number of microorganisms. This study investigated garlic oil extracts that were produced by a garlic fermentation process with isolated lactic acid bacteria. The oil was then extracted using steam distillation or maceration with 80% ethyl alcohol. Both these methods demonstrated that they were effective in inhibiting pathogenic microorganisms contaminating isolated from air (Fungi: Penicillium sp. Aspergillus spp. and Rhizopus sp. and Bacteria: E. coil Bacillus subtilis and Staphylococcus sp.) by Agar Diffusion method. It was found that the garlic oil extract distilled from steam was the best choice for further development as a coating for filter paper. Garlic oil extract can be stored at room temperature for at least 15 days after being coated on filter papers. After that the filters with garlic extract-coated filters made by sewing together four folded filter papers could remove the dust of 2.5 sizes as well as HEPA filters but had a disadvantage in filtering dust that was at least 10 PPM. This paper filter prototype was environmentally friendly because it could decompose on the ground within 12-15 days and reduce the spread of infection problems. From overall the prototype of the garlic oil extraction process can be developed at a commercial industrial level to produce large quantities of garlic extract with desired quality tracking features. It helps reducing environmental problems in a sustainable way; reducing waste conserving energy and using environmentally friendly materials.

Augmented reality or often called for short that AR is technology that exhibits a virtual image in the real world. Currently this technology has been widely applied to the education domain and responded to the development of essential skills to survive in the twenty-first century. AR is used to promote self-learning according to the constructivist theory which believes that learning is a process arising within the learner. Furthermore the COVID-19 pandemic has conducted to the new way of life which is called the “new normal” in which people avoid seeing each other as well as minimize congestion at all places and contact. Therefore this research aims to study the transfer of processes and technologies used for development. About the COVID-19 situation through the virtual world able to transfer knowledge processes to the public Being aware of the COVID-19 situation and promoting lifelong learning

This research aims to study online food ordering through the Mobile Application of Consumer Generation Y in Bangkok. The sample group consists of consumers between 21 and 38 years of age living in Bangkok (Gen Y). 400 sample queries were used as a tool for collecting data. Statistics such as frequency percentage mean standard deviation and plural regression analysis was used. The results showed that most respondents were female private company employees aged between 26 and 30 with a bachelors degree or equivalent. The average monthly income of the respondents is between 15000 and 25000 baht. The most important factor affecting the decision to order food online was the acceptance of overall technology at high level with an average of 4.24 marketing mix factors (7Ps) overall is at high level with an average of 4.02 and the quality factor of overall service is at high level with an average of 4.02. The hypothesis test results showed that technological acceptance factors marketing mix factors and quality factors of the service affect the decision to use online food ordering services through the Mobile Application of Consumer Generation Y in Bangkok statistically significantly at 0.05.