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1.What are they used for? 相關用途
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: e- K. D1 l! Y6 n" D# b3 ZAlkylphenols (APs) and alkylphenol ethoxylates (APEOs) are auxiliary chemicals used in different industries. They
' ^4 t- f9 p8 L2 ~, X8 tare good emulsifiers and wetting agents and thus have been used widely in different industrial cleaning systems - i& r8 R- g* Q% @
such as textile and leather processing, pulp and paper manufacturing, metal working, and agriculture. They are * a5 X; G: T4 r" S) P7 Y3 @
also used as domestic cleaning agents and co-formulants in pesticides and biocides. 1 G$ F4 K' M8 W! x$ k0 c
In particular, NP and NPEO (under the family of APs and APEOs respectively) are extensively used as detergent 5 c* p( ?$ ^; g) k3 `; z
auxiliaries in scouring and bleaching process of fibres for removing the fibres impurities such as wax, seed, etc in
- n: G6 n# x2 s/ k. X6 {textile wet processing. # r: V. k4 ?4 Y" F
烷基酚(APs)和烷基酚乙氧基化物(APEOs)在不同工業中常用作輔助化學 4 U' s6 F+ q1 i" R( u; I8 W
劑。它們是良好的乳化劑和潤濕劑,因此它們被廣泛地用於不同的工業洗滌過程
/ `+ m5 f- w, }) y- r# t, U m中,如紡織和皮革加工、紙漿和造紙加工、金工和農業等。它們亦會用於家庭洗 % ?3 F6 ] i8 d) O0 [! ?
滌劑中,以及殺蟲劑和除生物劑的處方。 # _6 p2 B. ?2 n" {
在紡織品的濕處理過程中,壬基酚(NP)和壬基酚乙氧基化物(NPEOs)(分別
( K2 F8 x$ I0 a* |: ~屬於烷基酚(APs)族和烷基酚乙氧基化物(APEOs)族),主要被用作洗滌劑 ( k! A$ P% x6 q! j7 B
的助劑,在纖維的清洗及漂白過程中,用以去除如蠟、籽屑等雜物。 % J% N$ N" K6 g3 A5 q, X5 A: n
) |2 ]) E/ K1 Y! K4 _8 }6 O3 C; Q2.What are the problems? 相關問題
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6 L/ Q" V J/ \" {4 iSince APs and APEOs are non-biodegradable, they cause severe environmental problems when they are released
! A2 C# `, ]! g6 ~6 {. Dto the environment as discharges or emissions. They are potent endocrine disrupters to the aquatic environment
5 m( \+ T* v, p: p4 _# zand can cause feminisation in male fish. As a result, the fertility or reproductive capability of the fish is reduced
, j3 l$ {8 [1 ^: t3 B1 l6 qand populations are in danger of shrinking.
# \% {) g2 L$ z6 z1 P9 @/ M由於烷基酚(APs)和烷基酚乙氧基化物(APEOs)是不能被生物降解的,因此,當它們被排放或釋放到環境
1 ` x" i4 c' M, C$ \中時,便會引發嚴重的環境問題。對水質生態來說,他們是烈性的內分泌破壞者,能導致雄魚雌性化。結果是
) _9 J( Y. E- J; M魚的生產力或繁殖率下降,從而使魚的種群有減少的危機。 8 O7 Q% O/ i' g+ c- m
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3.What are the measures? 相關措施
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& X8 t9 v& z- m- H3 wWithin the Directive 2003/53/EC published on 18 June 2003, it was added to the Directive 76/769/EEC
5 [$ m& V- g2 ]0 Y) _0 B$ ^restrictions on the marketing and use of the nonylphenol (NP) and nonylphenol ethoxylate (NPEOs) summarized as
1 T- @0 g/ _& ^8 G. p0 X- abelow:
6 |% _# ^: O" O3 P2 |: t8 PBy 17 January 2005, except for pesticides or biocides which have been granted by existing national 7 e+ t( I+ W: |
authorizations the use of NPEOs as a co-formulant, nonylphenol & nonylphenol ethoxylate may not be used in
* A* q0 Y, {0 I- ^concentrations equal or higher than 0.1% (equivalent to 1,000ppm) by mass for the following purposes: # I2 ~) _: n1 }3 b
• industrial and institutional cleaning except those systems where the washing liquid is recycled or incinerated;
5 L5 M3 V7 f9 R( k; x• domestic cleaning; : ]& w. {6 F) w' m6 o
• textiles and leather processing except those without release into waste water or those with special treatments
( p! k: J: k0 i% L1 |6 S$ Wto remove the organic fraction completely prior to the release;
" Z/ v! m% j# O# b) z• emulsifier in agricultural teat dips; * z( J U* ?( J6 |% K
• metal working except those systems where the washing liquid isrecycled or incinerated;
( ?! @' [9 }# X! Q+ Q• manufacturing of pulp and paper;
/ W0 h$ q7 P# F7 o$ j• cosmetic products; ! T7 }% Z; [ e7 D
• other personal care products except spermicides; 3 N' z) E. |; W: Y/ u4 F+ m
• co-formulants in pesticides and biocides. 1 D2 G, Z0 d* x- E8 b
2003年6月18日發佈的2003/53/EC指令已經加進76/769/EEC指令中,該指令限制銷售和使用壬基酚
" k" T) |4 c6 I2 m% a. y* o7 N(NP)和壬基酚乙氧基化物(NPEOs),概述如下: 7 G: V+ W" u1 E3 h0 t
從2005 年1 月17 日起,除了已被國家授權准予使用NPEOs 作為處方的殺蟲劑和除生物劑外,用於下列目的壬
1 _, e) b' |! A4 L基酚(NP )和壬基酚乙氧基化物(NPEOs )的質量比濃度不可等於或高於0.1% (相當於1,000ppm ): - I: E; y c" B6 ^/ y! D1 t
• 工業和公共清潔,備有洗滌液再循環或焚化的系統除外;
9 H. ^* b' B. ]! D• 家庭清潔;
; G' b' b2 d$ L6 [" J• 紡織品和皮革加工,不排放到廢水或在排放前經過特殊處理而完全除去了有機物的除外;
, [+ ~6 `+ y) K1 V* w• 農用乳頭消毒液的乳化劑;
0 _) Q0 x# ?! x; v1 k0 t• 金工, 備有洗滌液再循環或焚化的系統除外; $ L+ _4 Z+ ]8 {3 q
• 紙漿和造紙加工; 7 m( f& q8 C, N$ R: {
• 化妝品; 2 i2 O2 b3 {& v( J1 g; f M
• 其他個人護理用品,殺精劑除外;
, b* u( y) U q- o# R$ H; d+ I- v• 殺蟲劑和除生物劑的處方。 ' \' ^4 R# Z: C3 E3 h
来源:STC 李昊鹏 |
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