Microalgae have been found to have high prospects in wastewater treatment, particularly from agriculture. However, the uneconomical algal medium growth has become the major disadvantaged in algal industry. Multiple attempts includes the development of microalgae phycoremediation technology has been integrated into wastewater treatment to reduce the cost of expensive wastewater remediation. Utilising wastewater as a low-cost nutrient medium offers a synergistic effect of wastewater nutrient removal and co-production of valuable biomass simultaneously. This paper is mainly focused on potential, ability, strategy, application (i.e., palm oil wastewater), limitation and challenges of microalgae in agricultural wastewater treatment using phycoremediation. The understanding of cultivating microalgae using agriculture wastewater shall promote the utilisation of wastewater more sustainably in the future. The possible solutions in the application of microalgae for aquaculture and agriculture sector is also discussed in this review. Overall, the utilisation of wastewater in media cultivation for microalgae is restricted due to the expensive treatment and safety concern. However, this pitfall can be reduced in the future together with a further intensive scientific study, advanced technology, better management system and applying better standard protocol.
Nowadays, the term "smart" has become popularin reflecting technological advancements in social and economic improvement, as well as knowledge and information exchange.The advent of smart technology has empowered everything to be more connected, informed, and convenientlyinvolved with clients, especially in the global tourism industry. Malaysia, on the other hand, has less research on the use of smart tourism since it is still in the early stages of development,and tourism locations are still seeking their own rhythm to thrive. In addition, there is a lack of a specific framework, numerous global-scale crises with negative impacts on tourist arrivals and the environment, and poor digitalization, which has resulted in a drop-off in tourist experiences. This study was carried out to investigate whether local tourists are satisfied with the smart tourism technology experience in Malaysia and to explore whether smart tourism technology has a positive effect on tourists’ happiness. An online questionnaire was created using Google Form, distributed through WhatsApp, Telegram, Facebook, Instagram from May 1, 2021, to August 1, 2021,and completed by 529 participants. The results suggested the majority (more than 90%) of respondents found difficulty searching for information about the local attractions in each state of Malaysia during travel, which caused a greater decline in their excitement to do local traveling. With reliable centralized mobile apps that exist for all tourism sectors in Malaysia, research findings showed that they could increase tourists' revisit intentions and happiness, which consequently boosts the revenue of the economy.This study reveals another new aspect that can contribute to the existing literature and strategize on how smart tourism technology can be improved in Malaysia.
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