Shanxi, Hebei, Henan and Shandong, Anhui and Hubei Northeast nationwide clean pulping use

"Dunhuang" was discovered in 1900 in Gansu Dunhuang Mogao Cave 17 "grottoes" Five thousand copies pieces of ancient literature. The writing of this paper and printed documents covering political, economic, military, literature, history, religion, science and technology and other aspects, involving Chinese, Tibetan, Uighur Discovered in other words, the times from the 4th century to the 11th century across the Northern and Southern Dynasties, Sui and other historical periods, known as the "Encyclopedia of the Middle Ages." Since the early years of the war, a large number of Dunhuang Manuscripts living to Britain, France, Russia and other countries of the world. To study the formation of Dunhuang documents based "Dunhuang Studies", now it has developed into a worldwide school of learning. www.jhcrzj.com now Jiahua long as the Chinese pulp and paper making to new heights, so the four great inventions of the ancient world for real leadership. The pulping technology focusing on long-term infusions recycling. Since the dissolution of the soaking liquid non-fibrous material is discharged through precipitation. The water again pulping systems, such as people have suspected that it is better to pulp ratio is about 80%. Where is the rest of it? In fact, the material did not disappear. Only a part of the degradation of the conversion, and the other part as a precipitate from mud row. So users do not have to worry about causing secondary contaminated. Whey reasonable balance mechanism, soaked in water to ensure a closed loop. Diversity of paper material is an important aspect of the development of the paper. Most of the Western Han Dynasty paper as raw material hemp, hemp paper also dominated the Eastern Han Dynasty, to Cai Lun era, but also the use of the bark (mainly mulberry leather) paper. Since then, a variety of bark paper have come out. Wei and Jin Dynasties invented Mulberry, rattan parchment. Tang Dynasty and the emergence of the use of certain fragrant bark of a tree made of paper, parchment called incense. It is particularly worth mentioning is made of bamboo paper, bamboo paper appeared in the Tang dynasty. Bamboo Paper invention of papermaking raw materials greatly enriched. Greater difficulty bamboo pulp material, pulping methods must be improved, improve pulping efficiency, our working people in the Tang Dynasty to solve this problem. Today, Ka Wah long as pulping http://www.jhcrzj.com/ present pulping technology focuses on long-term infusions recycling. Since the dissolution of the soaking liquid non-fibrous material is discharged through precipitation. The water again pulping systems, such as people have suspected that it is better to pulp ratio is about 80%. Where is the rest of it? In fact, the material did not disappear. Only a part of the degradation of the conversion, and the other part as a precipitate from mud row. So users do not have to worry about causing secondary contaminated. Whey reasonable balance mechanism, soaked in water to ensure a closed loop, the pulp and paper several times and increase the effectiveness of the sewage no longer magical.