Carpet course Note: First, scattered on the carpet stains should be cleaned, a long time will be difficult to remove. Second, beware of sharp virtually scratch the surface of the carpet and cigarette burns. Third, the new open-pile carpet during the initial period will be slightly hairs appear, is a normal phenomenon. Fourth, in order not to put dirt into the carpet area should be set up at the entrance to the dusty carpet pad. Five, mostly factory did moth carpet treatment, but no need to put insect repellent on the carpet and cause harm to humans. Six, after a period of time covered with carpet, there will be a lot of bacteria and organisms called ticks and mites thrive on it, directly endanger human health stone conservation, it should periodically clean the company two to three months to conduct a comprehensive cleaning and disinfection. Printing and dyeing industry wastewater treatment technology: water quality printing and dyeing wastewater complex, according to the source of contamination can be divided into two categories: one entrainment from the fiber material itself; the other is the process used in the slurry, oils, dyes, chemical additives. Analyze the wastewater characteristics, mainly in the following aspects.  water, high levels of organic pollutants, color depth, alkaline and pH big change, dramatic changes in water quality. Due to the development of synthetic fabrics and after dyeing and finishing technology advancement recommended stone conservation company that makes it difficult biochemical degradation of organic matter PVA slurry, so a lot of new additives into the dyeing wastewater treatment increased the difficulty.  due to the different dyes and different additives, different fabric dyeing and finishing requirements, so the pH of the wastewater, CODCr, BOD5, color, also vary, but their common feature is the BOD5 / CODCr values ??are very low, generally in the about 20%, poor biodegradability, and therefore need to take measures Which professional stone conservation, so BOD5 / CODCr value increased to about 30% or higher, in order to facilitate biological treatment.  dyeing wastewater alkali reduction wastewater CODCr value of some of its up to 100,000 mg / L or more, pH values ??of ≥12, it must be pretreated stone conservation Which is better, the Recovery and adding acid to lower the pH value pretreated meet certain requirements, and then into the conditioning tank, be disposed of with other printing and dyeing wastewater. Recommended _ elegant stone conservation company Procter & Gamble (certified) _ Nanjing Nanjing elegant stone conservation cleaning services provided by the Company. Nanjing Elegant Cleaning Services Limited (www.qingyabj.com) is Nanjing, cleaning, cleaning equipment leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the elegant leading cleaning staff warmly welcome all inquiries negotiations to create a better future for elegant cleaning.