Cases

Cases

Cases
Emergency wastewater holding tank: among the six variables in the volume formula, only two can be changed by design.
Three-Level Environm
Emergency wastewater holding tank: among the six variables in the volume formula, only two can be changed by design.
Multi-industry nationwide (chemical/petrochemical/coking/pharmaceutical/industri
Emergency accident pools at individual enterprises range from 90 to 2,300 m³, wh
In chemical industrial parks and hazardous chemical enterprises, the volume of emergency pools for accidental wastewater is calculated by Vtotal = (V1+V2−V3)max+V4+V5. Among the six variables, the leakage volume is determined by the process, the firefight
View Details
Wastewater online monitoring: the gap between instrument readings and laboratory results is not an error—it's a difference in measurement basis.
Online Monitoring of
Wastewater online monitoring: the gap between instrument readings and laboratory results is not an error—it's a difference in measurement basis.
Nationwide multi-industry (polluting units such as municipal wastewater treatmen
Single station with 1 discharge outlet and 4–7 indicators (COD / ammonia nitroge
At the same discharge outlet, in the same minute, online instruments and laboratory analysis can produce two different numbers. In most cases, the difference is not due to instrument accuracy, but rather to the different sampling time points, the differen
View Details
Electronic-grade ultrapure water: A single "18.2" conceals four prerequisites, and two impurities it can never detect
Preparation of Elect
Electronic-grade ultrapure water: A single "18.2" conceals four prerequisites, and two impurities it can never detect
Publicly available data from multiple industries nationwide (integrated circuit
Pilot to engineering scale (single plant at tens of thousands of tons/day; ultra
Resistivity hitting 18.2 MΩ·cm—many people take this as the report card of ultrapure water. In fact, it only keeps one ledger: the ionic ledger. This article breaks down several key specifications of electronic-grade ultrapure water: why "18.2" must be qu
View Details
Aerator: The efficiency on the nameplate is measured in a clean water tank.
Blower Aeration Syst
Aerator: The efficiency on the nameplate is measured in a clean water tank.
Multi-industry nationwide coverage (municipal wastewater treatment / centralized
Pilot to full-scale engineering (tens of thousands to 120,000 m³/d; hundreds to
For the same diffuser, the clean-water bench test shows 26%, while your tank achieves only 10.4%. Between them sit two coefficients, α and F, yet neither appears in the product literature. This article unpacks several key conventions in diffused aeration:
View Details
Refinery Water System: The Hardest Stream Accounts for Only 10%, Yet the Compliance Figure Hides in the Denominator
Refinery/petrochemic
Refinery Water System: The Hardest Stream Accounts for Only 10%, Yet the Compliance Figure Hides in the Denominator
Multi-industry nationwide (petroleum refining/refining-chemical integration), in
Pilot to engineering scale (single-plant wastewater at hundreds of m³/h; sour wa
In a refinery, more than 80% of the wastewater is oily wastewater, yet over 90% of the sulfides and ammonia nitrogen in the entire plant are concentrated in the sour water, which accounts for only 10% to 20%. This article breaks down six dimensions of the
View Details
Water management across the entire power plant: water exits through the cooling tower, while salts can only exit through the desulfurization tower.
Water management for
Water management across the entire power plant: water exits through the cooling tower, while salts can only exit through the desulfurization tower.
Nationwide multi-industry (coal-fired power generation and combined heat and pow
Engineering-scale (single plant 2×300 MW to 2×1000 MW; desulfurization wastewate
Water at a thermal power plant has only two exits: evaporation from the cooling tower and blowdown from the desulfurization tower. This article breaks down the plant-wide water system into six perspectives: why the water intake quotas of three cooling rou
View Details
Copyright © 2026 TIANYI LIMITED All Rights Reserved