The lack of paper making raw materials is a common problem, the use of seasonal growth plants or wild trees etc for the paper pulp is an effective solution.However, using this material pulping will produce a lot of black liquor containing inorganic compounds, how can get more fiber pulp, low investment to processing black liquor which can let it reach the water recycling or reach the discharge standard of environmental protection, it has been a worldwide problem all the time.
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How to buy home bathroom hardware accessories flush valve
Flush valve is the most important toilet accessories, all copper, copper and plastic, plastic three, the family is mainly used in the plastic. If the quality of the flush valve is poor, it will happen that the water tank is full but the water is still flowing, the water is flowing but the water tank is full of water, the water is full but the water can not be discharged and many other faults. The maintenance is very difficult and difficult to solve the problem fundamentally , Causing a lot of waste. Therefore, the purchase of flush valve must go to a professional store, buy high grade products. Currently imported products on the market, water conservation, low failure rate, the price of 100 yuan, it is recommended as the preferred home decoration varieties.