Overview of Current Phosphoric Acid Production Processes and a New Idea of Kiln Method

: China primarily contains medium and low-grade phosphorus ores that are used to produce phosphoric acid. Here, we provide an overview of phosphoric acid production processes, including wet, thermal, and kiln methods, as well as the fundamental principles, major equipment, and technological aspects of each process. Progress in the kiln method using lowgrade phosphate rock is described, which involves the KPA and CDK processes. The literature shows that the addition of admixtures adds great competitiveness to kiln phosphate production methods and has considerable development prospects.

THE IMPACT OF LEADERSHIP ON THE INTELLECTUAL CAPITAL DEVELOPMENT MODERN COMPANIES IN KOSOVO

There is no doubt that great competitiveness among companies makes it clear that without rapid and radical changes, Kosovo will not be able to deal with competition in the environment, both broader and immediate. Success in the new world economy will depend on good leadership at all levels, from companies to the state.The leader is the one who successfully leads the change of the organization in order to create a flexible and efficient company capable of quickly and successfully facing the challenges of the external and internal environment and optimally utilize its resources. Such a leader model is necessary for Kosovo in all sectors, i.e. public administration and provides guidelines for how to successfully manage social change in a turbulent environment.Value in the knowledge economy is not generated by the quantity of manufactured products, but by the quality generated by knowledge workers. All of these changes dramatically changed the nature of value creation. It's no longer possible to think about a product as a physical manifestation of value.Industries such as power distribution, telecommunications, computers, software, i.e. high-tech industries have almost doubled their product share over the past twenty years, while knowledge-based services have grown faster and faster.In many companies, knowledge and its personality, intellectual capital, are not directly reflected in the financial statements, and consequently there is insufficient attention in managing those resources. Such companies still calculate their success or failure on old principles, while letting intellectual capital remain unused.

PROPOSTA DE ARRANJO FÍSICO PARA PROJETO DE UMA FÁBRICA DE CAFÉ DO INTERIOR DO OESTE PAULISTA PELA METODOLOGIA SLP

A good study of layout becomes increasingly necessary due to the great competitiveness existing in the markets, since its use acts as a strategy for the companies, which obtain benefits like improvement of productive flow and reduction of lead-time. The research aims to propose a plant layout aimed at an optimal combination of the activities and resources of a small coffee factory. The methodology used is based on an adaptation of the Systematic Layout Planning (SLP), proposed by Muther (1973), in which a data collection was first made through bibliographical and field research, and then, applied some method tools convenient to work. The result presents a 2D layout proposal for factory installation with the help of AutoCAD software. It is concluded that even when not fully employed, SLP is effective for planning layouts.

Competitiveness and Essential Oil Phytotoxicity of Seven Annual Aromatic Plants

Crops that effectively compete with weeds may be more suitable in low-input agricultural systems. A 2-yr field experiment was conducted in northern Greece to assess the competitiveness of seven annual aromatic plants (anise, sweet fennel, sweet basil, dill, coriander, parsley, and lacy phacelia) on common purslane, common lambsquarters, black nightshade, and barnyardgrass. The phytotoxicity of the essential oils produced by these aromatic plants was also determined using a perlite-based bioassay with barnyardgrass. Separation, identification, and quantification of the volatile compounds of these essential oils were also performed. After the harvest of the aromatic plants (8 wk after planting), the greatest weed fresh weight reduction (94 to 100%) was recorded in lacy phacelia, whereas the least (0 to 30%) was recorded in parsley. Lacy phacelia and sweet fennel produced the greatest fresh biomass yield in weedy and weed-free treatments, whereas parsley, dill, and coriander produced the lowest. Biomass of sweet fennel and anise was reduced by only 9 to 11% by weed competition, whereas biomass of lacy phacelia was not significantly affected. The essential oils isolated from sweet fennel and sweet basil were the most phytotoxic on barnyardgrass, whereas those isolated from lacy phacelia and anise were the least phytotoxic. Conclusively, aromatic plants with great competitiveness such as lacy phacelia, anise, and sweet fennel provided great weed suppression and they could be cultivated with low inputs in herbicides. However, high competitiveness of aromatic plants may not always be correlated with high essential oil phytotoxicity.