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Waste Management


CPT believes that consumption reduction can only be aided by source improvements and green production designs. Also, CPT hopes to reduce the direct environmental impacts and subsequent waste material disposal problems from mineral extraction through recycling and reusing various materials and developing environmental products in order to address trends in sustainable global developments and resource recycling and reuse.
    CPT abides by the regulations and environmental legislations from the Basel agreement. Waste materials are processed through source reduction, categorization, reuse, or resource reuse, in order of preference. If waste materials currently cannot be processed by the aforementioned methods, they are then buried or incinerated. Waste materials under appropriate management are primarily categorized as requiring disposal (general / harmful waste), recyclable, or resource waste. All waste materials are processed and recycled according to law.

Solid and liquid wastes produced during the manufacturing processes of TFT/CF usually consist of organic solvents for liquid wastes. Other than performing control and usage evaluations for the front end, CPT also engage in negotiations with suppliers for recycling and reuse mechanisms during the development stage for rear end liquid wastes that result as a necessity. Currently, much of CPTs liquid wastes from plants are under recycling and reuse mechanisms, with some liquid wastes directly reused by the plants themselves.

In terms of solid wastes, sludge from the wastewater treatment plant is the greatest issue. In the early stages, sludge was usually buried or reused. To account for the limitations of soil resources and the concept of water and soil protection, CPT opted to reuse sludge from its plants at that time. Sludge was reused through drying the sludge and then adding nutrients to it to form soil improvement compounds.