Polyaluminum chloride and aluminum sulfate-based water purifier on the Thousand Island Lake Scenic Area to provide great support to polyaluminum chloride and aluminum sulfate-based water purification agent on the Thousand Island Lake Scenic Area to provide great support Qiandao Lake was once a famous tourist attraction in China. 1078 lakes in the lake have become tourist attractions. The lake was once a national water body. Once a well-known domestic bottled water companies are here. Over the years of development is finally Thousand Island Lake overwhelmed. Coupled with the upstream industrial pollution intensified, the lake water quality is also declining. In the end, Qiandao Lake was finally removed from the water source list. In order to solve these problems, the managers of Qiandao Lake together with the PAC producers carried out a large amount of sampling and analysis of water quality. The final Gongyi filter source water purification material factory to determine the PAC, aluminum sulfate as the main water purification agent treatment. And the relevant departments of the upper reaches of some sewage companies to make the appropriate penalties. So that sewage companies correctly recognize the important concept of environmental protection, thus joining the Thousand Island Lake governance project. Many enterprises work together to make use of the high-quality water purification products provided by PAC producers. In the past few years, Qiandao Lake has finally re-emerged as a source of high-quality drinking water from a reservoir area gradually moving toward severe pollution. And the day before yesterday officially become a national good ecological protection zone. All this is ultimately attributed to the quality of the PAC producers. Lake Qiahu Lake normal high water level of 108 meters, storage capacity of 17.84 billion cubic meters, equivalent to 3184 West Lake capacity. Great drop in water level, the deepest reach 100 meters, the average depth of 34 meters. [2] Qiandao Lake from the surface to the following 10 meters, the water temperature changes between 10 ℃ -30 ℃ back and forth, for the variable temperature layer, 10-25 meters between the thermocline, the water temperature changes with depth to 7-8 The monthly variation was the most significant, from about 26 ℃ to 10 ℃. The water temperature dropped 1 ℃ for every 1 meter drop in water depth. The water temperature did not change significantly from January to December, and the water temperature was 25 ℃ and 10 ℃. Stratosphere, water temperature remained stable throughout the year, of which the first half of the delamination layer is 25 meters below 35 meters in the second half, the water temperature remained at around 10 ℃. According to the report on the ambient air quality of major cities with environmental protection and the water quality of key river basins released by the Ministry of Environmental Protection in the first half of 2011, among the 10 major reservoirs monitored, the Qiandao Lake Reservoir has the highest level of Grade I water quality and 10 reservoirs In the only class I water quality reservoir. When the lake is sunny, visibility is up to 12 meters. Qiandao Lake Scenic Area consists of two rivers and one lake: Fuchun River, Xin'anjiang, Thousand Island Lake. Qiandao Lake scenic stretches of mountains, lush forests, greening rate of 100%. As the upstream focus on environmental protection, the Qiandao Lake in China's Great Lakes ranked first in high-quality water, was praised as "the best in the world show," was named 5A national tourist attractions. Location advantage Qiandao Lake Scenic Area is located in Chun'an County, Hangzhou City, Zhejiang Province Thousand Island Lake town, longitude 118 ° 58'-119 ° 17 ', latitude 29 ° 31'-29 ° 41' between. Thousand Island Lake open lake, a Biwan are island chess cloth; large island such as mountains, islands such as boats, all crisp to drop, like a piece of semi-submerged jasper in the lake. Because of the small amount of plankton in the water, the lake is clear as a mirror. Because of the deep water, it looks like a jade green like blue. It is said that the Qiandao Lake brings together a lot of spring, natural mineral water, "Nongfushangquan" from the Thousand Island Lake 70 meters deep. Practice has proved that the various manufacturers of PAC water purification agent is an effective tool for the treatment of various sewage, rational use of each sewage companies are able to meet the national emission standards. This information is provided by http://www.gyzhenyu.com. If reprint, please indicate the future!