Several questions regarding an overview of the water treatment industry
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I’m an outsider; please don’t laugh at me. The Haichuan Forum has developed rapidly over the past two years, bringing together experts and elites from various fields. Please help to explain this. If you know about a particular aspect, just talk about it; let’s discuss it together. I’ll also study hard. 1. Are all the sewage treatment plants in our country currently **established, or rather, state-owned**? Are there any privately-owned sewage treatment plants? Are there any wastewater treatment plants established by foreign investors? 2. Is our wastewater treatment mainly aimed at treating municipal domestic wastewater or industrial wastewater? What proportion does each account for? As far as I know, each industrial enterprise has its own wastewater treatment facility. Additionally, industrial parks usually have their own centralized sewage treatment plants, I wonder if that’s the case. 3. In current water treatment investments, what proportion is accounted for by investments in mechanical equipment, and what proportion is accounted for by expenses on purchasing chemicals? What is approximately this ratio? For example, when building a plant, the main expense is purchasing mechanical equipment; once the plant is operational, does investment in chemicals become the main cost factor for water treatment plants? 4. Are the water treatment machines we use mainly domestic or imported? 5. Are the water treatment chemicals mainly domestic or imported?
1. Currently, there are private and foreign-owned sewage treatment plants; for example, many such plants are built under the BOT model, where other companies fund the construction and charge a fee per ton for operation, with the contract lasting for a certain number of years. 2. There doesn’t seem to be a clear standard for this; some treatment plants are designed for municipal domestic wastewater, others for industrial wastewater, and yet others handle both types. It depends on where the wastewater treatment plant is located and what type of wastewater is discharged in large quantities ； Typically, industrial parks have their own wastewater treatment plants. 3. The construction period mainly involves costs for mechanical equipment and civil works ； After commissioning, the main costs are those related to the maintenance and replacement of chemicals and equipment. 4. In terms of type, they are mainly domestically produced ； But in terms of value, imported products also account for a significant proportion, as imported equipment is expensive. However, it mainly depends on the owner’s investment decision to determine whether to use domestic or imported products. 5. The chemicals used for water treatment in wastewater treatment plants are mainly domestically produced, with imported ones accounting for a relatively small proportion.
Large companies that produce water treatment chemicals import them, while small companies use their own. The same is true for equipment